COLB COLUMBIA BANKING SYSTEM, INC.

CIK 0000887343 50 ready 8-Ks latest August 14, 2026, 4:35 PM ET RSS · JSON

Activity: NORMAL 2 filings / 30d vs 1 baseline

Ready 8-Ks 50

Latest filing August 14, 2026, 4:35 PM ET

Top materiality 0.90

Event mix dividend ×11 · earnings ×10 · other_material ×9

Sentiment 13 pos · 2 neg · 35 neu

Latest earnings reported 2026-Q1

Executive change recent →

Recent 8-K filings for COLB

Highest-materiality recent filing

Columbia Banking System completes all-stock acquisition of Pacific Premier Bancorp

September 2, 2025, 7:59 PM ET M&A materiality 0.90 positive item 2.01 item 5.02 item 7.01 item 9.01

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.

Read filing →

August 14, 2026, 4:35 PM ET dividend materiality 0.25 neutral item 8.01 item 9.01

Columbia Banking System declares $0.37 quarterly dividend payable Sept 14, 2026

Quarterly cash dividend of $0.37 per common share approved by Board.
July 30, 2026, 5:27 PM ET leadership materiality 0.35 neutral item 5.02 item 7.01 item 9.01 ◈ executive_change

Columbia Banking System appoints Simone Lagomarsino to board, effective Sept 1, 2026

Lagomarsino will serve on Audit and Enterprise Risk Management Committees.
July 23, 2026, 4:31 PM ET earnings materiality 0.70 positive item 2.02 item 7.01 item 9.01

Columbia Banking Q2 2026 EPS $0.73, operating EPS $0.76; NIM 3.93%; $199M stock buyback

Net income $208M ($0.73 diluted EPS); operating net income $217M ($0.76 operating diluted EPS).
June 30, 2026, 6:00 PM ET other materiality 0.00 neutral item 7.01 item 9.01

Columbia Banking System schedules Q2 2026 earnings call for July 23, 2026

Earnings release after market close on Thursday, July 23, 2026.
May 15, 2026, 1:42 PM ET dividend materiality 0.30 neutral item 8.01 item 9.01

Columbia Banking System declares $0.37 quarterly dividend, payable June 15

Quarterly cash dividend of $0.37 per common share approved by Board.
May 15, 2026, 1:39 PM ET other material materiality 0.15 neutral item 5.07 ◈ Shareholder Votes ×3

Columbia Banking shareholders elect all 12 directors, approve say-on-pay and auditor ratification

All 12 director nominees elected with significant votes; highest 'against' was 16.4M for Luis F. Machuca.
April 23, 2026, 7:59 PM ET earnings materiality 0.70 neutral item 2.02 item 7.01 item 9.01 ◈ Earnings Releases

Columbia Banking Q1 2026: Net income $192M ($0.66 EPS), NIM 3.96%, NPA ratio 0.40%

GAAP net income $192M ($0.66 diluted EPS); operating net income $209M ($0.72 EPS).
March 31, 2026, 7:59 PM ET other materiality 0.10 neutral item 7.01 item 9.01

Columbia Banking sets Q1 2026 earnings release and call for April 23

Q1 2026 results will be released after market close on Thursday, April 23, 2026.
February 13, 2026, 6:59 PM ET dividend materiality 0.40 neutral item 8.01 item 9.01

Columbia Banking System declares $0.37 quarterly dividend

Quarterly cash dividend of $0.37 per common share approved by Board.
January 22, 2026, 6:59 PM ET earnings materiality 0.75 positive item 2.02 item 7.01 item 9.01

Columbia Banking Q4 net income $215M; operating EPS $0.82; NIM expands to 4.06%

Diluted EPS $0.72; operating EPS $0.82; net interest income $627M up $122M QoQ.
December 31, 2025, 6:59 PM ET other materiality 0.20 neutral item 7.01 item 9.01

Columbia Banking System to report Q4 2025 earnings on Jan 22, 2026 after market close

Earnings release scheduled for after market close on Thursday, January 22, 2026.
November 21, 2025, 6:59 PM ET leadership materiality 0.45 neutral item 5.02

Columbia Banking appoints Brock Lakely as Chief Accounting Officer; Lisa White departs

Lisa M. White ceased as EVP, Principal Accounting Officer and Corporate Controller effective Nov 19, 2025.
November 14, 2025, 6:59 PM ET dividend materiality 0.60 positive item 8.01 item 9.01

Columbia Banking System increases quarterly dividend to $0.37 per share

Quarterly dividend raised 3% to $0.37 per share; payable Dec 15, 2025 to holders of record Nov 28, 2025.
November 4, 2025, 6:59 PM ET leadership materiality 0.70 neutral item 5.02 item 7.01 item 9.01

Columbia Banking System appoints Ivan Seda as CFO effective Dec 31, 2025; Farnsworth transitions to advisor

Ivan Seda named CFO effective Dec 31, 2025; base salary $550,000, target incentive 85%, PSU grant $750,000.
October 30, 2025, 7:59 PM ET earnings materiality 0.80 positive item 2.02 item 7.01 item 9.01

Columbia Banking System closes Pacific Premier acquisition; Q3 operating EPS $0.85, announces $700M buyback

Closed Pacific Premier acquisition on Aug 31, 2025; integration on track for Q1 2026.
September 3, 2025, 7:59 PM ET M&A materiality 0.75 neutral item 9.01

Columbia Banking closes $2.38B Pacific Premier acquisition; pro forma assets $68.9B

Total consideration ~$2.38B: 88.9M COLB shares issued, exchange ratio 0.915, based on COLB closing price $26.77.
September 2, 2025, 7:59 PM ET M&A materiality 0.90 positive item 2.01 item 5.02 item 7.01 item 9.01

Columbia Banking System completes all-stock acquisition of Pacific Premier Bancorp

Each Pacific Premier share converted into 0.9150 share of Columbia common stock; former PPBI shareholders hold ~30% of combined company.
August 29, 2025, 7:59 PM ET other material materiality 0.10 neutral item 7.01 item 9.01

Columbia Banking System announces Q3 2025 earnings release and conference call date

Earnings release scheduled for October 30, 2025 after market close.
August 15, 2025, 7:59 PM ET dividend materiality 0.25 neutral item 8.01 item 9.01

Columbia Banking System declares $0.36 quarterly dividend, payable Sept 15

Board approved quarterly cash dividend of $0.36 per common share.
August 6, 2025, 7:59 PM ET M&A materiality 0.75 positive item 7.01 item 8.01 item 9.01

Columbia and Pacific Premier receive all regulatory approvals; closing expected August 31, 2025

All required regulatory approvals received from Federal Reserve, FDIC, and Oregon DFB.
July 24, 2025, 7:59 PM ET earnings materiality 0.90 positive item 2.02 item 7.01 item 9.01

Columbia Banking System Reports Q2 2025 Net Income of $152M, EPS $0.73

Net income $152M, diluted EPS $0.73; operating net income $160M, operating EPS $0.76.
July 22, 2025, 7:59 PM ET M&A materiality 0.70 positive item 5.07 item 7.01 item 9.01

Columbia Banking and Pacific Premier shareholders approve proposed acquisition

Columbia shareholders approved issuance of common stock: 183,261,639 for, 291,911 against (99.8% of votes cast).
July 11, 2025, 7:59 PM ET litigation materiality 0.65 negative item 8.01

Columbia Banking faces three shareholder lawsuits over merger with Pacific Premier; adds proxy disclosures

Three complaints filed: Siegel (Columbia shareholders), Clark and Parshall (Pacific Premier stockholders) allege breach of fiduciary duty and misrepresentations in merger proxy.
June 30, 2025, 7:59 PM ET other materiality 0.15 neutral item 7.01 item 9.01

Columbia Banking System to report Q2 2025 results on July 24, 2025; conference call same day

Earnings release after market close Thursday, July 24, 2025.
May 16, 2025, 7:59 PM ET dividend materiality 0.25 neutral item 8.01 item 9.01

Columbia Banking System declares $0.36 quarterly dividend

Quarterly cash dividend of $0.36 per common share approved by Board.
May 15, 2025, 7:59 PM ET other materiality 0.15 neutral item 5.07

Columbia Banking System shareholders elect all 11 director nominees and approve say-on-pay at 2025 annual meeting

All 11 director nominees elected with >180M votes each; broker non-votes ~11M.
May 5, 2025, 7:59 PM ET other material materiality 0.15 neutral item 7.01 item 9.01

Columbia Banking files investor presentation for Pacific Premier merger; no new financials

Filed investor slide deck under Regulation FD for upcoming meetings on May 5, 2025.
April 25, 2025, 7:59 PM ET M&A materiality 0.80 neutral item 1.01 item 9.01

Columbia Banking to acquire Pacific Premier Bancorp in all-stock merger (0.9150x)

Each PPBI share converts to 0.9150 COLB shares; fractional shares paid in cash.
April 23, 2025, 7:59 PM ET other material materiality 0.85 neutral item 2.02 item 7.01 item 9.01

Columbia posts Q1 net income $87M; acquires Pacific Premier in all-stock deal

Net income $87M ($0.41 diluted EPS); operating net income $140M ($0.67 operating EPS).
April 23, 2025, 7:59 PM ET M&A materiality 0.85 positive item 7.01 item 8.01 item 9.01

Columbia Banking to acquire Pacific Premier Bancorp in $2B all-stock deal

COLB to acquire PPBI at 0.9150x exchange ratio, valuing PPBI at ~$20.83/share; combined assets ~$70B
April 2, 2025, 7:59 PM ET leadership materiality 0.60 neutral item 5.02 item 7.01 item 9.01 ◈ executive_change ×2

Columbia Banking eliminates Executive Chair role; O'Haver departs, Pope named non-executive chair

Cort O'Haver resigned as Executive Chair and director, effective March 31, 2025.
March 31, 2025, 7:59 PM ET other material materiality 0.20 neutral item 7.01 item 9.01

Columbia Banking System sets Q1 2025 earnings call for April 24 after market close

First quarter 2025 financial results released Thursday, April 24, 2025 after market close.
March 27, 2025, 7:59 PM ET litigation materiality 0.75 positive item 7.01

Columbia Banking settles class action against Umpqua Bank for $55M

Proposed settlement of $55M in class action; plaintiffs had alleged damages of $297.4M–$368.1M.
February 14, 2025, 6:59 PM ET dividend materiality 0.20 neutral item 8.01 item 9.01

Columbia Banking System declares $0.36 quarterly dividend, payable March 17, 2025

Quarterly cash dividend of $0.36 per common share approved by Board.
January 23, 2025, 6:59 PM ET earnings materiality 0.75 positive item 2.02 item 7.01 item 9.01

Columbia Banking Q4 2024 EPS $0.68 ($0.71 operating); full-year $2.55 ($2.71 operating)

Q4 2024 net income $143M ($0.68 diluted); operating net income $150M ($0.71 diluted).
December 31, 2024, 6:59 PM ET other materiality 0.10 neutral item 7.01 item 9.01

Columbia Banking System schedules Q4 2024 earnings call for Jan 23, 2025

Earnings release after market close on Jan 23, 2025; conference call at 2:00 p.m. PT.
November 15, 2024, 6:59 PM ET dividend materiality 0.25 neutral item 8.01 item 9.01

Columbia Banking System declares $0.36 quarterly dividend, payable Dec 16

Quarterly cash dividend of $0.36 per common share declared by board.
October 24, 2024, 7:59 PM ET earnings materiality 0.75 positive item 2.02 item 7.01 item 9.01

Columbia Banking Q3 net income $146M, EPS $0.70; announces $70M net cost savings

Q3 2024 GAAP net income $146M ($0.70 diluted EPS); operating net income $143M ($0.69).
September 30, 2024, 7:59 PM ET other materiality 0.20 neutral item 7.01 item 9.01

Columbia Banking System announces Q3 2024 earnings release and conference call date

Q3 2024 earnings to be released on Thursday, October 24 before market open.
August 12, 2024, 7:59 PM ET dividend materiality 0.30 neutral item 8.01 item 9.01

Columbia Banking System declares $0.36 quarterly dividend payable Sept 9

Quarterly cash dividend of $0.36 per common share declared by Board.
July 25, 2024, 7:59 PM ET earnings materiality 0.65 neutral item 2.02 item 7.01 item 9.01

Columbia Banking Q2 net income $120M reported, $140M operating; EPS $0.57/$0.67

Q2 2024 reported net income $120M ($0.57 diluted EPS); operating net income $140M ($0.67).
June 28, 2024, 7:59 PM ET other materiality 0.10 neutral item 7.01 item 9.01

Columbia Banking System schedules Q2 2024 earnings release and call for July 25

Q2 2024 financial results will be released after market close on Thursday, July 25, 2024.
May 13, 2024, 7:59 PM ET dividend materiality 0.30 neutral item 8.01 item 9.01

Columbia Banking System declares $0.36 quarterly dividend, payable June 10

Quarterly cash dividend of $0.36 per common share declared by Columbia Banking System board.
May 9, 2024, 7:59 PM ET other material materiality 0.25 neutral item 5.02 item 5.07 item 9.01 ◈ Shareholder Votes ×5

Columbia Banking shareholders approve 2024 Equity Plan, ESPP amendment at annual meeting

Shareholders approved 2024 Equity Incentive Plan, authorizing 7,482,000 shares, replacing 2018 plan.
April 25, 2024, 7:59 PM ET earnings materiality 0.65 neutral item 2.02 item 7.01 item 9.01 ◈ Earnings Releases

Columbia Banking Q1 GAAP EPS $0.59; net interest margin falls 26 bps to 3.52%

GAAP diluted EPS $0.59, operating EPS $0.65; net interest income $423M, down $30M QoQ.
April 1, 2024, 7:59 PM ET other material materiality 0.10 neutral item 7.01 item 9.01

Columbia Banking System to release Q1 2024 earnings after market close on April 25

Earnings release scheduled for Thursday, April 25, 2024 after market close.
March 5, 2024, 6:59 PM ET other material materiality 0.55 neutral item 7.01 item 9.01

Columbia Banking targets Q4 2024 core expense run rate $965M-$985M; FY23 operating EPS $2.66

FY 2023 operating net income $521M ($2.66 EPS); Q4 2023 operating net income $116M ($0.56 EPS).
March 4, 2024, 6:59 PM ET other material materiality 0.65 neutral item 7.01 item 9.01

Columbia Banking System targets Q4 2024 core expense run rate of $965M-$985M; provides operational update

Q4 2024 core expense run rate target $965M-$985M annualized (excludes CDI amortization and non-operating items).
February 9, 2024, 6:59 PM ET dividend materiality 0.40 positive item 8.01 item 9.01

Columbia Banking declares $0.36 quarterly dividend, payable March 11

Quarterly cash dividend of $0.36 per common share approved by Board.
January 24, 2024, 6:59 PM ET earnings materiality 0.70 negative item 2.02 item 7.01 item 9.01 ◈ Earnings Releases

Columbia Banking Q4 net income $93.5M, EPS $0.45; NIM contracts to 3.78%

GAAP EPS $0.45, operating EPS $0.44; net income $93.5M, down from $135.8M in Q3 2023.