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Old Second Bancorp (NASDAQ: OSBC) posts 2026 Annual Stockholders Meeting presentation access

Filing Impact
(High)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Old Second Bancorp, Inc. filed a current report to announce its Annual Stockholders Meeting and related presentation access. The meeting is scheduled for May 19, 2026 at 9:00 am CDT.

Shareholders and investors can view the presentation materials under the Presentations tab in the Investor Relations section of Old Second’s website. The company, headquartered in Aurora, Illinois, operates Old Second National Bank, offering commercial and retail banking plus trust and wealth management services across several Illinois counties.

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Item 7.01 Regulation FD Disclosure Disclosure
Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Annual Meeting Date May 19, 2026 Scheduled date of Annual Stockholders Meeting
Annual Meeting Time 9:00 am CDT Scheduled time of Annual Stockholders Meeting
Headquarters Location Aurora, Illinois Main headquarters of Old Second Bancorp, Inc.
Counties Served 7 counties Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and Will counties in Illinois
Annual Stockholders Meeting financial
"Old Second Bancorp, Inc. announced the Annual Stockholders Meeting will be held on May 19, 2026 at 9:00 am CDT."
Regulation FD Disclosure regulatory
"Item 7.01 Regulation FD Disclosure On May 19, 2026, a presentation was made at the Annual Stockholders Meeting."
Regulation FD disclosure requires public companies to share important, market-moving information with everyone at the same time instead of tipping off analysts or large investors first. Think of it as making sure all players on a field hear the same announcement simultaneously; that fairness helps investors trust that stock prices reflect the same information and reduces the risk of sudden, unfair trading advantages or regulatory penalties for selective leaks.
Investor Relations financial
"Shareholders and investors may access the presentation made at the meeting under the Presentations tab on the Investor Relations section of Old Second’s website."
Investor relations is the communication process between a company and its current or potential investors. It involves sharing information about the company's performance, strategies, and outlook to help investors make informed decisions. Effective investor relations build trust and transparency, similar to a clear conversation between a business and someone considering investing, ensuring both parties understand each other's interests and expectations.
trust and wealth management services financial
"the Bank provides commercial and retail banking services, as well as a full complement of trust and wealth management services."
OLD SECOND BANCORP INC0000357173false00003571732026-05-192026-05-19

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): May 19, 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))

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

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock

OSBC

The Nasdaq Stock Market

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 7.01 Regulation FD Disclosure

On May 19, 2026, a presentation was made at the Annual Stockholders Meeting. Details of how to access the Annual Stockholders Meeting presentation materials are attached as Exhibit 99.1 to this report and such presentation announcement is incorporated herein by reference.  

The information in this Form 8-K and the Exhibit attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, except as shall be expressly set forth by specific reference.

Item 9.01 Exhibits.

(d) Exhibits

99.1 – Shareholder Presentation Announcement.

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: May 19, 2026

By:

/s/ Bradley S. Adams

Bradley S. Adams

Executive Vice President,

Chief Operating Officer and

Chief Financial Officer

Graphic

(NASDAQ:OSBC)

Exhibit 99.1

Contact:

Bradley S. Adams

For Immediate Release

Executive Vice President,

May 19, 2026

Chief Operating Officer and

Chief Financial Officer

(630) 906-5484

Old Second Bancorp, Inc. Annual Stockholders Meeting

AURORA, IL, – Old Second Bancorp, Inc. (“Old Second”) (NASDAQ: OSBC), announced the Annual Stockholders Meeting will be held on May 19, 2026 at 9:00 am CDT.

Shareholders and investors may access the presentation made at the meeting under the Presentations tab on the Investor Relations section of Old Second’s website (www.oldsecond.com).

About Old Second Bancorp, Inc.

Old Second Bancorp, Inc., is a financial services company with its main headquarters located in Aurora, Illinois.  The Company is the holding company of Old Second National Bank (the “Bank”), a national banking organization headquartered in Aurora, Illinois that provides commercial and retail banking services, as well as a full complement of trust and wealth management services.  The Company has offices located in Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and Will counties in Illinois.  


FAQ

What did Old Second Bancorp (OSBC) disclose in this Form 8-K?

Old Second Bancorp disclosed that its Annual Stockholders Meeting presentation is available online. The company directed shareholders and investors to its website’s Investor Relations section to access the materials under the Presentations tab for further meeting-related information.

When is Old Second Bancorp’s 2026 Annual Stockholders Meeting scheduled?

The Annual Stockholders Meeting is scheduled for May 19, 2026 at 9:00 am CDT. This timing was announced alongside details about how shareholders and investors can access the related presentation materials through the company’s Investor Relations website.

How can investors access Old Second Bancorp’s Annual Meeting presentation?

Investors can access the Annual Stockholders Meeting presentation under the Presentations tab in the Investor Relations section of www.oldsecond.com. The company highlighted this online access so shareholders and other interested parties can review the same materials presented at the meeting.

What business does Old Second Bancorp (OSBC) operate?

Old Second Bancorp is a financial services company and holding company for Old Second National Bank. The bank provides commercial and retail banking, plus trust and wealth management services, primarily through offices in several counties in the state of Illinois.

Where is Old Second Bancorp headquartered and where does it operate?

Old Second Bancorp is headquartered in Aurora, Illinois. Through Old Second National Bank, it operates offices in multiple Illinois counties, including Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and Will, offering banking and wealth management services in these markets.

Filing Exhibits & Attachments

4 documents