Recent 8-K filings for OSBC

• May 20, 2026, 10:30 AM ET other material materiality 0.15 neutral item 5.07

  Old Second Bancorp holds annual meeting, elects four directors, approves say-on-pay and auditor ratification

  Elected Darin Campbell, Billy J. Lyons Jr., Patti Temple Rocks, and John Williams Jr. as Class I directors for three-year terms expiring 2029.

• May 19, 2026, 9:50 AM ET other materiality 0.10 neutral item 7.01item 9.01

  Old Second Bancorp holds Annual Stockholders Meeting; presentation available online

  Meeting held on May 19, 2026 at 9:00 am CDT; presentation posted on IR website.

• April 22, 2026, 7:59 PM ET earnings materiality 0.65 negative item 2.02item 9.01 ◈ Earnings Releases

  Old Second Bancorp Q1 2026 loan charge-offs rise to $9.8M; ACL at $72.1M

  Total loans $5.185B as of 3/31/26, down from $5.252B at 12/31/25.

• April 21, 2026, 7:59 PM ET dividend materiality 0.30 neutral

  Old Second Bancorp declares $0.07/share cash dividend, payable May 11

  Cash dividend of $0.07 per share declared on April 21, 2026.

• April 1, 2026, 7:59 PM ET other material materiality 0.15 neutral

  Old Second Bancorp to report Q1 2026 earnings on April 22, call April 23

  Q1 2026 financial results to be released after market close on April 22, 2026.

• March 4, 2026, 6:59 PM ET debt materiality 0.50 neutral item 8.01

  Old Second Bancorp redeems $30M of 3.50% subordinated notes due 2031

  Redemption of $30M aggregate principal of 3.50% Fixed-to-Floating Rate Subordinated Notes due 2031.

• January 29, 2026, 6:59 PM ET other material materiality 0.55 positive item 8.01

  Old Second Bancorp authorizes $43.9M share repurchase program, receives Fed nonobjection

  Board authorized up to $43.9M in common stock repurchases; program expires Dec 31, 2026.

• January 21, 2026, 6:59 PM ET earnings materiality 0.55 neutral item 2.02item 9.01

  Old Second reports Q4 2025 loan portfolio: total loans $5.25B, ACL $72.3M, NCOs $5.98M

  Total loans of $5,252M as of Dec 31, 2025; allowance for credit losses (ACL) of $72.3M, up from $43.6M at Dec 31, 2024.

• January 20, 2026, 6:59 PM ET dividend materiality 0.25 neutral

  Old Second Bancorp declares $0.07 per share cash dividend

  Dividend of $0.07 per share declared on January 20, 2026.

• January 2, 2026, 6:59 PM ET other materiality 0.10 neutral

  Old Second Bancorp to report Q4 2025 results on Jan 21, 2026

  Q4 2025 financial results to be released after market close on January 21, 2026.

• October 22, 2025, 7:59 PM ET earnings materiality 0.65 neutral item 2.02item 9.01

  Old Second Q3 loans surge to $5.27B on Evergreen acquisition; ACL rises to $75M

  Total loans $5,265M at 9/30/2025, up 32% from $3,999M at 6/30/2025, primarily due to Evergreen Bank Group acquisition.

• October 21, 2025, 7:59 PM ET dividend materiality 0.30 neutral

  Old Second Bancorp declares $0.07 cash dividend payable Nov 10, 2025

  Cash dividend of $0.07 per share declared on October 21, 2025.

• October 1, 2025, 7:59 PM ET other materiality 0.20 neutral

  Old Second Bancorp to report Q3 2025 earnings Oct 22 after close; call Oct 23

  Q3 2025 financial results to be released after market close on October 22, 2025.

• September 17, 2025, 7:59 PM ET M&A materiality 0.70 neutral item 9.01

  Old Second closes Bancorp Financial buy; pro forma H1 2025 diluted EPS $0.43

  Total purchase consideration ~$189.4M: $140.5M in OSBC stock (7.9M shares at $17.74) plus $48.9M cash.

• September 15, 2025, 7:59 PM ET leadership materiality 0.15 neutral item 5.02

  Old Second Bancorp director John Ladowicz resigns at age 73 under mandatory retirement policy

  John Ladowicz resigned from Board effective Sept 14, 2025, upon turning 73 per company's Director Resignation Policy.

• July 23, 2025, 7:59 PM ET earnings materiality 0.70 positive item 2.02item 9.01

  Old Second Q2 net income $21.8M, EPS $0.48; closed $1.4B Bancorp Financial merger

  Q2 2025 net income of $21.8M ($0.48 diluted EPS) vs $19.8M ($0.43) in Q1 and $21.9M ($0.48) in Q2 2024.

• July 15, 2025, 7:59 PM ET dividend materiality 0.30 neutral

  Old Second Bancorp declares $0.06 quarterly dividend payable Aug. 4, 2025

  Board declared a cash dividend of $0.06 per share on July 15, 2025.

• July 2, 2025, 7:59 PM ET other material materiality 0.10 neutral

  Old Second Bancorp to report Q2 2025 earnings on July 23, 2025

  Q2 2025 results released after market close on Wednesday, July 23, 2025.

• July 1, 2025, 7:59 PM ET M&A materiality 0.80 positive item 2.01item 5.02item 8.01item 9.01 ◈ M&A Transactions

  Old Second completes merger with Bancorp Financial; pro forma assets ~$6.98B

  Bancorp Financial shareholders receive 2.5814 OSBC shares + $15.93 cash per share; merger closed July 1, 2025.

• June 18, 2025, 7:59 PM ET M&A materiality 0.70 positive item 7.01

  Bancorp Financial shareholders approve merger with Old Second; close set for July 1, 2025

  Stockholder approval received on June 18, 2025 for the previously announced merger with Old Second Bancorp.

• June 3, 2025, 7:59 PM ET other materiality 0.15 neutral item 5.07

  Old Second Bancorp Board adopts annual Say-on-Pay vote frequency

  At May 20, 2025 annual meeting, shareholders favored annual advisory Say-on-Pay votes.

• May 28, 2025, 7:59 PM ET other material materiality 0.50 neutral item 5.03item 9.01

  Old Second Bancorp doubles authorized common shares to 120M after stockholder approval

  Certificate of Amendment filed to increase authorized common stock from 60M to 120M shares.

• May 22, 2025, 7:59 PM ET M&A materiality 0.60 positive item 8.01item 9.01

  Old Second receives regulatory approvals for Bancorp Financial merger; close expected July 2025

  Received required bank regulatory approvals for merger with Bancorp Financial, Inc. (Oakbrook, IL).

• May 20, 2025, 7:59 PM ET other materiality 0.00 neutral item 7.01item 9.01

  Old Second Bancorp holds annual meeting; presentation materials available on IR website

  Annual Stockholders Meeting held May 20, 2025 at 9:00 am CDT.

• May 20, 2025, 7:59 PM ET other materiality 0.15 neutral item 5.07

  Old Second Bancorp shareholders approve doubling authorized shares to 120M; all proposals pass

  Elected four Class III directors (Bonifas, Collins, Kotche, York) to terms expiring 2028.

• April 23, 2025, 7:59 PM ET earnings materiality 0.70 positive item 2.02item 9.01

  Old Second reports Q1 2025 net income of $19.8M ($0.43 EPS); net interest margin expands to 4.88%

  Net income $19.8M ($0.43 diluted EPS) vs $19.1M ($0.42) in Q4 2024 and $21.3M ($0.47) in Q1 2024.

• April 15, 2025, 7:59 PM ET dividend materiality 0.25 neutral

  Old Second Bancorp declares $0.06 per share cash dividend

  Dividend of $0.06 per share declared on April 15, 2025.

• April 1, 2025, 7:59 PM ET other material materiality 0.25 neutral

  Old Second Bancorp to report Q1 2025 earnings on Apr 23 after market close

  Q1 2025 results release after market close on April 23, 2025.

• February 25, 2025, 6:59 PM ET M&A materiality 0.90 positive item 1.01item 8.01item 9.01

  Old Second to acquire Evergreen Bank for ~$197M in 75% stock / 25% cash deal

  Aggregate transaction value of ~$197 million; implied purchase price of $62.60 per Bancorp Financial share.

• January 22, 2025, 6:59 PM ET earnings materiality 0.25 neutral item 2.02item 9.01

  Old Second Bancorp reports Q4 2024 results; press release not included in filing text

  Filed 8-K under Item 2.02 for Q4 2024 earnings, but press release (Ex. 99.1) not provided in the appended text.

• January 21, 2025, 6:59 PM ET dividend materiality 0.25 neutral

  Old Second Bancorp declares $0.06 per share cash dividend payable Feb 10, 2025

  Dividend of $0.06 per share declared on January 21, 2025.

• January 2, 2025, 6:59 PM ET other materiality 0.05 neutral

  Old Second Bancorp schedules Q4 2024 earnings release for Jan 22, 2025

  Q4 2024 financial results will be released after market close on January 22, 2025.

• December 20, 2024, 6:59 PM ET other material materiality 0.55 positive item 8.01

  Old Second Bancorp authorizes $39.1M stock repurchase program

  Board authorized repurchase of up to $39.1M of common stock.

• December 17, 2024, 6:59 PM ET other material materiality 0.60 positive item 8.01

  Old Second Bancorp authorizes $39.1M share repurchase; Fed non-objection secured

  Board authorized up to $39.1M share repurchase; Federal Reserve non-objection received Dec 16, 2024.

• December 9, 2024, 6:59 PM ET M&A materiality 0.60 positive item 7.01item 9.01

  Old Second completes five-branch acquisition from First Merchants Bank

  Closed purchase of five Illinois branches from First Merchants Bank effective Dec 6, 2024.

• October 16, 2024, 7:59 PM ET earnings materiality 0.70 neutral item 2.02item 9.01

  Old Second Bancorp reports Q3 2024 financial results on October 16, 2024

  Old Second Bancorp (OSBC) issued a press release on October 16, 2024, announcing financial results for Q3 ended September 30, 2024.

• October 15, 2024, 7:59 PM ET dividend materiality 0.40 positive

  Old Second Bancorp declares $0.06 per share cash dividend

  Board declared cash dividend of $0.06 per share on October 15, 2024

• October 1, 2024, 7:59 PM ET other material materiality 0.10 neutral

  Old Second Bancorp to report Q3 2024 earnings after close Oct 16; call Oct 17

  Financial results for Q3 2024 will be released after market close on October 16, 2024.

• August 27, 2024, 7:59 PM ET M&A materiality 0.75 positive item 7.01item 9.01

  Old Second Bancorp to acquire 5 Chicago-area branches from First Merchants for $23M premium

  Assumes ~$304M in deposits and purchases ~$12M in loans from First Merchants.

• July 17, 2024, 7:59 PM ET other material materiality 0.50 neutral item 2.02item 9.01

  Old Second Bancorp reports Q2 2024 results; loan portfolio data shows $2.05B outstanding

  Total loan balance $2.05B, total commitment $2.54B as of June 30, 2024 (disclosure dated 2020 likely a typo).

• July 16, 2024, 7:59 PM ET dividend materiality 0.30 neutral

  Old Second Bancorp declares $0.05 per share cash dividend payable Aug 5, 2024

  Dividend of $0.05 per share declared on July 16, 2024 by Board of Directors.

• July 1, 2024, 7:59 PM ET other material materiality 0.20 neutral

  Old Second Bancorp announces Q2 2024 earnings release date of July 17

  Financial results for Q2 2024 released after market close on July 17, 2024.

• May 23, 2024, 7:59 PM ET other materiality 0.10 neutral item 5.07

  Old Second Bancorp stockholders elect four Class II directors at May 21 annual meeting

  Elected James Eccher, Barry Finn, Dennis Klaeser, Hugh McLean as Class II directors (term expiring 2027).

• May 21, 2024, 7:59 PM ET other materiality 0.10 neutral item 7.01item 9.01

  Old Second Bancorp announces 2024 Annual Stockholders Meeting; presentation posted

  Annual meeting held on May 21, 2024 at 9:00 am CDT.

• May 8, 2024, 7:59 PM ET other materiality 0.05 neutral item 7.01item 9.01

  Old Second Bancorp to present at D.A. Davidson Financial Institutions Conference

  Management attending D.A. Davidson 26th Annual Financial Institutions Conference from May 8-10, 2024.

• April 17, 2024, 7:59 PM ET earnings materiality 0.65 neutral item 2.02item 9.01 ◈ Earnings Releases

  Old Second Q1 net income $21.3M ($0.47 EPS); QoQ up from $0.40, YoY down from $0.52

  Net income $21.3M, diluted EPS $0.47; adjusted EPS $0.47 (no adjustments). Q4: $18.2M, $0.40; Q1 2023: $23.6M, $0.52.

• April 16, 2024, 7:59 PM ET dividend materiality 0.25 neutral

  Old Second Bancorp declares $0.05 per share quarterly dividend

  Cash dividend of $0.05 per share declared by Board on April 16, 2024.

• April 1, 2024, 7:59 PM ET other materiality 0.10 neutral

  Old Second Bancorp schedules Q1 2024 earnings release for April 17, call on April 18

  Q1 2024 financial results to be released after market close on April 17, 2024.

Earnings & guidance

Materiality & sentiment trend

Max materiality 0.90 · Median 0.30 · Most common event other_material

12 positive 1 negative 35 neutral

source · OSBC on sec.gov