{"filings":[{"id":464636,"accession_number":"0000887343-26-000143","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2026-05-15T17:42:40+00:00","items":["8.01","9.01"],"status":"ready","headline":"Columbia Banking System declares $0.37 quarterly dividend, payable June 15","summary_kind":"llm","event_type":"dividend","confidence":"high","bullets":["Quarterly cash dividend of $0.37 per common share approved by Board.","Dividend payable June 15, 2026 to shareholders of record as of May 29, 2026.","Columbia Banking System (Nasdaq: COLB) is parent of Columbia Bank."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":464476,"accession_number":"0000887343-26-000142","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2026-05-15T17:39:35+00:00","items":["5.07"],"status":"ready","headline":"Columbia Banking shareholders elect all 12 directors, approve say-on-pay and auditor ratification","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["All 12 director nominees elected with significant votes; highest 'against' was 16.4M for Luis F. Machuca.","Advisory vote on executive compensation passed with 240.3M for vs 12.9M against.","Ratification of Deloitte & Touche as auditor for FY 2026 approved with 269.3M for, 792k against.","Approximately 270.3M of 290.0M outstanding shares were present or represented at the meeting."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.15,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":99470,"accession_number":"0000887343-26-000132","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2026-04-23T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking Q1 2026: Net income $192M ($0.66 EPS), NIM 3.96%, NPA ratio 0.40%","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["GAAP net income $192M ($0.66 diluted EPS); operating net income $209M ($0.72 EPS).","Net interest margin 3.96%, down 10 bps QoQ; net interest income $594M, down $33M.","Credit quality: Net charge-offs 0.30% annualized (up from 0.25%); provision $28M.","Repurchased $200M of stock at avg $30.74; declared $0.37 dividend per share.","Pacific Premier merger integration on track; cost savings expected by June 30, 2026."],"consensus_eps_estimate":null,"consensus_eps_actual":0.66,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":"2026-Q1","consensus_source":"xbrl_only","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":115494,"accession_number":"0000887343-26-000116","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2026-03-31T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"Columbia Banking sets Q1 2026 earnings release and call for April 23","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Q1 2026 results will be released after market close on Thursday, April 23, 2026.","Conference call for investors and analysts at 2:00 p.m. PT (5:00 p.m. ET) the same day.","Management will discuss results and recent activities; Q&A session to follow.","Ticker: COLB (Nasdaq). No preliminary financial information provided."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":115493,"accession_number":"0000887343-26-000039","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2026-02-13T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Columbia Banking System declares $0.37 quarterly dividend","summary_kind":"llm","event_type":"dividend","confidence":"high","bullets":["Quarterly cash dividend of $0.37 per common share approved by Board.","Payable March 16, 2026 to holders of record on February 27, 2026.","Regular quarterly dividend maintained; no change from prior rate specified."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":115492,"accession_number":"0000887343-26-000012","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2026-01-22T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking Q4 net income $215M; operating EPS $0.82; NIM expands to 4.06%","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["Diluted EPS $0.72; operating EPS $0.82; net interest income $627M up $122M QoQ.","Net interest margin 4.06% (+22 bps QoQ) driven by lower funding costs and full-quarter Pacific Premier contribution.","Repurchased $100M of common stock (3.7M shares at avg $27.07); dividend raised to $0.37/share.","Clint Stein appointed Chair effective Jan 22; Ivan Seda became CFO on Dec 31, 2025.","Provision for credit losses $23M; net charge-offs 0.25% annualized vs 0.22% prior quarter."],"consensus_eps_estimate":null,"consensus_eps_actual":2.3,"consensus_revenue_estimate":null,"consensus_revenue_actual":177000000.0,"consensus_period":"2025-FY","consensus_source":"xbrl_only","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":131920,"accession_number":"0000887343-25-000280","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-12-31T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"Columbia Banking System to report Q4 2025 earnings on Jan 22, 2026 after market close","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Earnings release scheduled for after market close on Thursday, January 22, 2026.","Conference call at 2:00 PM PT (5:00 PM ET) same day to discuss results and recent activities.","Live Q&A session and audiocast available; registration details provided in press release."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":131919,"accession_number":"0001193125-25-290691","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-11-21T23:59:59+00:00","items":["5.02"],"status":"ready","headline":"Columbia Banking appoints Brock Lakely as Chief Accounting Officer; Lisa White departs","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Lisa M. White ceased as EVP, Principal Accounting Officer and Corporate Controller effective Nov 19, 2025.","Brock Lakely appointed EVP, Chief Accounting Officer and Corporate Controller effective Nov 20, 2025.","Lakely's annual base salary set at $360,000; he previously served as Chief Audit Executive and earlier as Chief Accounting Officer from 2018-2023.","Lakely is a CPA with prior Ernst & Young experience; no familial or reportable transaction relationships disclosed."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":131918,"accession_number":"0000887343-25-000271","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-11-14T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Columbia Banking System increases quarterly dividend to $0.37 per share","summary_kind":"llm","event_type":"dividend","confidence":"high","bullets":["Quarterly dividend raised 3% to $0.37 per share; payable Dec 15, 2025 to holders of record Nov 28, 2025.","Company also has a recently announced $700M share repurchase program.","CEO cites expected exceptional profitability and balance sheet optimization as supporting capital return.","Dividend complements a broader capital return strategy aimed at enhancing long-term shareholder value."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":131917,"accession_number":"0001193125-25-264630","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-11-04T23:59:59+00:00","items":["5.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking System appoints Ivan Seda as CFO effective Dec 31, 2025; Farnsworth transitions to advisor","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Ivan Seda named CFO effective Dec 31, 2025; base salary $550,000, target incentive 85%, PSU grant $750,000.","Ronald Farnsworth steps down as CFO on Dec 31, 2025, serves as senior advisor through June 1, 2026.","Farnsworth receives cash severance, 18 months of benefits contributions, and lump sum based on 62,572 target shares.","Seda joined Columbia as Deputy CFO in August 2025; prior roles include CFO at Union Bank and Deputy CFO at BECU."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":131916,"accession_number":"0000887343-25-000262","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-10-30T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking System closes Pacific Premier acquisition; Q3 operating EPS $0.85, announces $700M buyback","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["Closed Pacific Premier acquisition on Aug 31, 2025; integration on track for Q1 2026.","Q3 GAAP EPS $0.40, operating EPS $0.85; net interest margin 3.84% (+9 bps QoQ).","Board authorized $700M share repurchase program, expiring Nov 30, 2026.","Total deposits $55.8B (+$14B); organic customer deposit growth ~$800M in Q3.","Net charge-offs 0.22% annualized (down from 0.31% prior); NPA ratio 0.29%."],"consensus_eps_estimate":null,"consensus_eps_actual":1.53,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":"2025-Q3","consensus_source":"xbrl_only","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":148485,"accession_number":"0000887343-25-000242","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K/A","filed_at":"2025-09-03T23:59:59+00:00","items":["9.01"],"status":"ready","headline":"Columbia Banking closes $2.38B Pacific Premier acquisition; pro forma assets $68.9B","summary_kind":"llm","event_type":"m_and_a","confidence":"high","bullets":["Total consideration ~$2.38B: 88.9M COLB shares issued, exchange ratio 0.915, based on COLB closing price $26.77.","Pro forma combined assets $68.9B, loans $48.6B, deposits $56.2B as of June 30, 2025.","Pro forma 2024 net income $669M, diluted EPS $2.24; 2025 H1 net income $365M, diluted EPS $1.22.","Preliminary goodwill ~$502M; $185M in merger-related expenses included in pro forma adjustments.","Core deposit intangible of $414M recognized; fair value marks on Pacific Premier loans, securities, and deposits."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":148492,"accession_number":"0001193125-25-193405","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-09-02T23:59:59+00:00","items":["2.01","5.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking System completes all-stock acquisition of Pacific Premier Bancorp","summary_kind":"llm","event_type":"m_and_a","confidence":"high","bullets":["Each Pacific Premier share converted into 0.9150 share of Columbia common stock; former PPBI shareholders hold ~30% of combined company.","Combined company has ~$70B assets, ~$50B loans, ~$56B deposits, and >350 branches across 8 western states.","Three former Pacific Premier directors (Steven Gardner, M. Christian Mitchell, Jaynie Miller Studenmund) join Columbia board; Gardner also enters $2.2M consulting agreement.","Tom Rice, former Pacific Premier CIO, joins Columbia Bank's executive leadership team as CIO.","Systems integration expected in Q1 2026; brand transition from Umpqua to Columbia complete as of Sept 1, 2025."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.9,"calibrated_materiality_score":0.9,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":148491,"accession_number":"0000887343-25-000238","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-08-29T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"Columbia Banking System announces Q3 2025 earnings release and conference call date","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Earnings release scheduled for October 30, 2025 after market close.","Conference call at 2:00 p.m. PT (5:00 p.m. ET) same day.","No financial results or guidance provided in this announcement."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":148490,"accession_number":"0000887343-25-000236","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-08-15T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Columbia Banking System declares $0.36 quarterly dividend, payable Sept 15","summary_kind":"llm","event_type":"dividend","confidence":"high","bullets":["Board approved quarterly cash dividend of $0.36 per common share.","Dividend payable September 15, 2025 to shareholders of record as of August 29, 2025.","Columbia Banking System (Nasdaq: COLB) parent of Columbia Bank, formerly Umpqua Bank."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":148489,"accession_number":"0000887343-25-000229","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-08-06T23:59:59+00:00","items":["7.01","8.01","9.01"],"status":"ready","headline":"Columbia and Pacific Premier receive all regulatory approvals; closing expected August 31, 2025","summary_kind":"llm","event_type":"m_and_a","confidence":"high","bullets":["All required regulatory approvals received from Federal Reserve, FDIC, and Oregon DFB.","Shareholder approvals obtained July 21, 2025; merger expected to close on or about August 31, 2025.","All-stock transaction announced April 23, 2025; integration planning underway.","Clint Stein (Columbia CEO) cites strong shareholder support and expects seamless integration."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":148488,"accession_number":"0000887343-25-000221","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-07-24T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking System Reports Q2 2025 Net Income of $152M, EPS $0.73","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["Net income $152M, diluted EPS $0.73; operating net income $160M, operating EPS $0.76.","Net interest margin rose 15 bps to 3.75% QoQ; net interest income up $21M to $446M.","Non-interest expense dropped $62M QoQ due to no repeat of $55M legal settlement and $15M severance.","Shareholders of Columbia and Pacific Premier approved acquisition; closing expected Sept 1, 2025 subject to regulatory approvals.","Deposits fell $475M to $41.7B from seasonal tax payments; commercial loans grew while multifamily contracted."],"consensus_eps_estimate":null,"consensus_eps_actual":1.14,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":"2025-Q2","consensus_source":"xbrl_only","sentiment":"positive","materiality_score":0.9,"calibrated_materiality_score":0.9,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":148487,"accession_number":"0000887343-25-000212","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-07-22T23:59:59+00:00","items":["5.07","7.01","9.01"],"status":"ready","headline":"Columbia Banking and Pacific Premier shareholders approve proposed acquisition","summary_kind":"llm","event_type":"m_and_a","confidence":"high","bullets":["Columbia shareholders approved issuance of common stock: 183,261,639 for, 291,911 against (99.8% of votes cast).","Pacific Premier stockholders also approved the merger at their special meeting on July 21, 2025.","Deal expected to close later in 2025, subject to receipt of remaining regulatory approvals and customary conditions.","Combined entity to enhance market leadership across the West; teams preparing for swift closing."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":148486,"accession_number":"0001193125-25-158231","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-07-11T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Columbia Banking faces three shareholder lawsuits over merger with Pacific Premier; adds proxy disclosures","summary_kind":"llm","event_type":"litigation","confidence":"high","bullets":["Three complaints filed: Siegel (Columbia shareholders), Clark and Parshall (Pacific Premier stockholders) allege breach of fiduciary duty and misrepresentations in merger proxy.","Columbia and Pacific Premier deny allegations but voluntarily supplement Joint Proxy Statement/Prospectus to moot disclosure claims without admitting liability.","Supplemental disclosures include additional merger background, comparable company analyses, discount rate calculations, and pro forma EPS/TBV accretion/dilution.","Complaints seek injunctive relief to stop shareholder vote on share issuance until omitted information is disclosed, and rescission if consummated.","Additional demand letters from shareholders also demand supplemental disclosures; more similar complaints may be filed."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":167317,"accession_number":"0000887343-25-000208","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-06-30T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"Columbia Banking System to report Q2 2025 results on July 24, 2025; conference call same day","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Earnings release after market close Thursday, July 24, 2025.","Conference call at 2:00 p.m. PT (5:00 p.m. ET) with Q&A session.","Registration link provides dial-in details and unique PIN.","Replay available on Columbia's investor relations page."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":167316,"accession_number":"0000887343-25-000172","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-05-16T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Columbia Banking System declares $0.36 quarterly dividend","summary_kind":"llm","event_type":"dividend","confidence":"high","bullets":["Quarterly cash dividend of $0.36 per common share approved by Board.","Payable June 16, 2025 to shareholders of record as of May 30, 2025.","No change from prior quarter's dividend rate indicated.","Columbia (COLB) is parent company of Umpqua Bank."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":167315,"accession_number":"0000887343-25-000169","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-05-15T23:59:59+00:00","items":["5.07"],"status":"ready","headline":"Columbia Banking System shareholders elect all 11 director nominees and approve say-on-pay at 2025 annual meeting","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["All 11 director nominees elected with >180M votes each; broker non-votes ~11M.","Advisory say-on-pay proposal approved: 179.3M for, 4.4M against.","Ratification of Deloitte & Touche as 2025 auditor passed with 194.5M for.","Quorum of 195.2M shares (92.9% of outstanding) present at the meeting."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.15,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":167314,"accession_number":"0000887343-25-000163","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-05-05T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"Columbia Banking files investor presentation for Pacific Premier merger; no new financials","summary_kind":"llm","event_type":"other_material","confidence":"low","bullets":["Filed investor slide deck under Regulation FD for upcoming meetings on May 5, 2025.","Presentation covers pending business combination with Pacific Premier Bancorp (PPBI).","No updated financial results, guidance, or changes to merger terms disclosed.","All forward-looking statements and disclaimers are repeated from prior filings."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":167313,"accession_number":"0001193125-25-094676","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-04-25T23:59:59+00:00","items":["1.01","9.01"],"status":"ready","headline":"Columbia Banking to acquire Pacific Premier Bancorp in all-stock merger (0.9150x)","summary_kind":"llm","event_type":"m_and_a","confidence":"high","bullets":["Each PPBI share converts to 0.9150 COLB shares; 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combined assets ~$70B","Deal expected to deliver mid-teens EPS accretion to COLB; tangible book dilution earned back in ~3 years","Combined company will have ~$57B deposits; COLB gains top-10 deposit share in Southern California","Transaction expected to close in H2 2025; subject to regulatory and shareholder approvals","COLB plans to rename Umpqua Bank to Columbia Bank later this year"],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":167311,"accession_number":"0000887343-25-000159","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-04-23T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"Columbia posts Q1 net income $87M; acquires Pacific Premier in all-stock deal","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Net income $87M ($0.41 diluted EPS); operating net income $140M ($0.67 operating EPS).","Net interest margin 3.60% (down 4 bps QoQ); deposits up $497M to $42.2B.","$55M legal settlement and $15M severance drove non-interest expense to $340M.","All-stock acquisition of Pacific Premier (PPBI); combined ~$70B assets, mid-teens EPS accretion, close expected H2 2025."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.85,"calibrated_materiality_score":0.85,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":167310,"accession_number":"0000887343-25-000143","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-04-02T23:59:59+00:00","items":["5.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking eliminates Executive Chair role; 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ticker COLB on Nasdaq."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":184643,"accession_number":"0000887343-25-000130","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-03-27T23:59:59+00:00","items":["7.01"],"status":"ready","headline":"Columbia Banking settles class action against Umpqua Bank for $55M","summary_kind":"llm","event_type":"litigation","confidence":"high","bullets":["Proposed settlement of $55M in class action; plaintiffs had alleged damages of $297.4M–$368.1M.","Mistrial declared March 4, 2025 when jury could not reach verdict; followed court-ordered mediation.","Settlement subject to formal agreement and preliminary/final court approval; expected funding by early 2026.","Case against Umpqua Bank stemmed from 2012 acquisition of Circle Bank; claims of aiding and abetting commercial real estate failure."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":184642,"accession_number":"0000887343-25-000022","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-02-14T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Columbia Banking System declares $0.36 quarterly dividend, payable March 17, 2025","summary_kind":"llm","event_type":"dividend","confidence":"high","bullets":["Quarterly cash dividend of $0.36 per common share approved by Board.","Payable March 17, 2025 to shareholders of record as of February 28, 2025.","Columbia Banking System is parent company of Umpqua Bank, trades as COLB on Nasdaq.","Dividend amount unchanged from prior quarter (no increase or decrease indicated)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":184641,"accession_number":"0000887343-25-000015","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2025-01-23T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking Q4 2024 EPS $0.68 ($0.71 operating); 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Q4 2024 core expense run rate expected $965M–$985M annualized.","Q3 net charge-offs 0.32% annualized; provision $28.8M. ACL $438M (1.17% of loans) plus $65M credit discount.","Total risk-based capital ratio 12.5%, CET1 10.3% as of Sep 30, 2024."],"consensus_eps_estimate":null,"consensus_eps_actual":1.87,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":"2024-Q3","consensus_source":"xbrl_only","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":217244,"accession_number":"0000887343-24-000252","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2024-09-30T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"Columbia Banking System announces Q3 2024 earnings release and conference call date","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Q3 2024 earnings to be released on Thursday, October 24 before market open.","Conference call at 8:30 a.m. PT (11:30 a.m. ET) same day with Q&A session.","Participants must register via provided link to receive dial-in and unique PIN.","Replay available on investor relations page under 'News & Market Data-Event Calendar'."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":217243,"accession_number":"0000887343-24-000247","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2024-08-12T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Columbia Banking System declares $0.36 quarterly dividend payable Sept 9","summary_kind":"llm","event_type":"dividend","confidence":"high","bullets":["Quarterly cash dividend of $0.36 per common share declared by Board.","Dividend payable September 9, 2024 to holders of record August 23, 2024.","Columbia Banking System is parent company of Umpqua Bank (Nasdaq: COLB)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":217242,"accession_number":"0000887343-24-000242","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2024-07-25T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking Q2 net income $120M reported, $140M operating; EPS $0.57/$0.67","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["Q2 2024 reported net income $120M ($0.57 diluted EPS); operating net income $140M ($0.67).","Pre-provision net revenue (operating) $219M; ROA (operating) 1.08%, ROTCE (operating) 16.96%.","Deposits $42B; CET1 ratio 9.9%; net charge-off rate 0.30% annualized; provision expense $31.8M.","Expects Q4 2024 core expense run rate $965M-$985M annualized; 91% of cost savings realized by June 30.","Launched targeted small business deposit campaigns; opened first retail location in Phoenix, AZ."],"consensus_eps_estimate":null,"consensus_eps_actual":1.17,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":"2024-Q2","consensus_source":"xbrl_only","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":237042,"accession_number":"0000887343-24-000235","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2024-06-28T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"Columbia Banking System schedules Q2 2024 earnings release and call for July 25","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Q2 2024 financial results will be released after market close on Thursday, July 25, 2024.","Conference call for investors and analysts at 2:00 PM PT (5:00 PM ET) on July 25.","Management to discuss results and recent activities with a Q&A session following."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":237041,"accession_number":"0000887343-24-000201","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2024-05-13T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Columbia Banking System declares $0.36 quarterly dividend, payable June 10","summary_kind":"llm","event_type":"dividend","confidence":"high","bullets":["Quarterly cash dividend of $0.36 per common share declared by Columbia Banking System board.","Dividend payable June 10, 2024 to shareholders of record as of May 24, 2024.","Parent company of Umpqua Bank; trades on Nasdaq under symbol COLB."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":237040,"accession_number":"0000887343-24-000187","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2024-05-09T23:59:59+00:00","items":["5.02","5.07","9.01"],"status":"ready","headline":"Columbia Banking shareholders approve 2024 Equity Plan, ESPP amendment at annual meeting","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Shareholders approved 2024 Equity Incentive Plan, authorizing 7,482,000 shares, replacing 2018 plan.","ESPP amendment approved, increasing share reserve by 850,000 shares.","All 14 director nominees elected; advisory say-on-pay received 55% for, 45% against.","Ratification of Deloitte & Touche as independent auditor for fiscal 2024 passed with 186.6M for."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":237039,"accession_number":"0000887343-24-000178","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2024-04-25T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"Columbia Banking Q1 GAAP EPS $0.59; net interest margin falls 26 bps to 3.52%","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["GAAP diluted EPS $0.59, operating EPS $0.65; net interest income $423M, down $30M QoQ.","Net interest margin 3.52%, down 26 bps from 4Q23; deposit cost 2.88% stabilized in March.","Provision for credit losses $17M vs $55M prior; net charge-offs 0.47% annualized vs 0.31%.","Nonperforming assets 0.28% of total assets, up from 0.22%; ACL 1.16% of loans.","Tangible book value $16.03; CET1 ratio 9.8%, total capital 12.0%; dividend $0.36."],"consensus_eps_estimate":null,"consensus_eps_actual":0.59,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":"2024-Q1","consensus_source":"xbrl_only","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":237038,"accession_number":"0000887343-24-000168","cik":887343,"company_name":"COLUMBIA BANKING SYSTEM, INC.","ticker":"COLB","form_type":"8-K","filed_at":"2024-04-01T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"Columbia Banking System to release Q1 2024 earnings after market close on April 25","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Earnings release scheduled for Thursday, April 25, 2024 after market close.","Conference call for investors and analysts at 2:00 p.m. PT (5:00 p.m. ET) same day.","Management will discuss Q1 2024 results and provide an update on recent activities.","Live Q&A session following presentation; registration required for dial-in.","Ticker: COLB (Nasdaq); parent company of Umpqua Bank."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"market_cap_usd":8623918540.46957,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null}],"next_cursor":null}