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OSBC · Current Report (Form 8-K) · Filed January 29, 2026

Old Second Bancorp Inc — Current Report (Form 8-K)

Form
8-K
Filed
January 29, 2026
Period
Jan 29, 2026
Ticker
OSBC
Accession
0000357173-26-000012
Boardroom Alpha · Filing insights

Old Second Bancorp authorized up to $43.9 million in share repurchases following Fed nonobjection; program discretionary.

About Old Second Bancorp Inc
Market cap
$1.1B
1Y TSR
+25.7%
3Y TSR
+18.1%
Board grade
B+
Sector
Financial Services
CEO
James Eccher
Last annual meeting: May 19, 2026 · View full Old Second Bancorp Inc profile →
OLD SECOND BANCORP INC_January 29, 2026

I

United States

Securities And Exchange Commission
Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 29, 2026

Graphic

(Exact name of registrant as specified in its charter)

Delaware

000-10537

36-3143493

(State or other jurisdiction of incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

37 South River Street
Aurora, Illinois 60507
(Address of principal executive offices) (Zip code)

(630) 892-0202
(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock

OSBC

The Nasdaq Stock Market

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 under the Securities Act (17 CFR 230.405) or Rule 12b-2 under the Exchange Act (17 CFR 240.12b-2).

Emerging growth company  

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  

Item 8.01

Other Events.

The Board of Directors of Old Second Bancorp, Inc. (the “Company”) has authorized the repurchase of up to $43.9 million of shares of the Company’s common stock (the “Repurchase Program”).  On January 27, 2026, the Company received a letter from the Federal Reserve Bank of Chicago (the “Federal Reserve”) dated January 8, 2026, indicating its nonobjection to the Repurchase Program.  Repurchases by the Company under the Repurchase Program may be made from time to time through open market purchases, trading plans established in accordance with U.S. Securities and Exchange Commission rules, privately negotiated transactions, or by other means.

The actual means and timing of any repurchases, quantity of purchased shares and prices will be, subject to certain limitations, at the discretion of management and will depend on a number of factors, including, without limitation, market prices of the Company’s common stock, general market and economic conditions, and applicable legal and regulatory requirements. Repurchases under the Repurchase Program may be initiated, discontinued, suspended or restarted at any time; provided, that repurchases under the Repurchase Program after December 31, 2026 would require Federal Reserve non-objection or approval. The Company is not obligated to repurchase any shares under the Repurchase Program.

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

OLD SECOND BANCORP, INC.

Dated: January 29, 2026

By:

/s/ Bradley S. Adams

Bradley S. Adams

Executive Vice President,

Chief Operating Officer, and

Chief Financial Officer

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More filings

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Reference

Frequently asked questions

When did Old Second Bancorp Inc file this 8-K?
Old Second Bancorp Inc (OSBC) filed this Current Report (Form 8-K) with the SEC on January 29, 2026. The accession number assigned by EDGAR is 0000357173-26-000012.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Old Second Bancorp authorized up to $43.9 million in share repurchases following Fed nonobjection; program discretionary. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Old Second Bancorp Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Old Second Bancorp Inc has filed under CIK 357173, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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