Old Second Bancorp (NASDAQ: OSBC) schedules Q3 2025 earnings release and call

Rhea-AI Filing Summary

Old Second Bancorp, Inc. filed a current report to announce timing for its upcoming quarterly results. The company plans to release its financial results for the third quarter of 2025 after the market closes on October 22, 2025.

The company will host an earnings conference call on October 23, 2025 at 10:00 a.m. Eastern Time (9:00 a.m. Central Time), with investors able to join by dialing 888-506-0062 and using entry code 740004. A telephone replay will be available until 10:00 a.m. Eastern Time on October 30, 2025 by dialing 877-481-4010 and using replay PIN 53047.

OLD SECOND BANCORP INC0000357173false00003571732025-10-012025-10-01

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United States

Securities And Exchange Commission
Washington, D.C. 20549

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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): October 1, 2025

(Exact name of registrant as specified in its charter)

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Delaware	000-10537	36-3143493
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

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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:

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Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	OSBC	The Nasdaq Stock Market
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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.  ☐

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Item 8.01 Other Events

Old Second Bancorp, Inc. (the “Company”, “we,” “us” and “our”) will release financial results for the third quarter of 2025 after the market closes on October 22, 2025.

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We will also host an earnings call on Thursday, October 23, 2025 at 10:00 a.m. Eastern Time (9:00 a.m. Central Time).  Investors may listen to our earnings call via telephone by dialing 888-506-0062, using Entry Code: 740004. Investors should call into the dial-in number set forth above at least 10 minutes prior to the scheduled start of the call.

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A replay of the earnings call will be available until 10:00 a.m. Eastern Time (9:00 a.m. Central Time) October 30, 2025, by dialing 877-481-4010, using Replay PIN: 53047.

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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.

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​	OLD SECOND BANCORP, INC.
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Dated: October 1, 2025	By:	/s/ Bradley S. Adams
​	​	Bradley S. Adams
​	​	Executive Vice President, Chief Operating Officer and
​	​	Chief Financial Officer

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FAQ

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

Old Second Bancorp, Inc. disclosed the schedule for its third quarter 2025 financial results release and related earnings conference call, including the dates, times, and dial-in information for investors.

When will Old Second Bancorp (OSBC) release its Q3 2025 financial results?

Old Second Bancorp will release its financial results for the third quarter of 2025 after the market closes on October 22, 2025.

When is the Old Second Bancorp (OSBC) Q3 2025 earnings call and how can investors join?

The Q3 2025 earnings call is scheduled for October 23, 2025 at 10:00 a.m. Eastern Time (9:00 a.m. Central Time). Investors can participate by dialing 888-506-0062 and entering entry code 740004.

Is there a replay available for Old Second Bancorp’s Q3 2025 earnings call?

Yes. A replay will be available until 10:00 a.m. Eastern Time (9:00 a.m. Central Time) on October 30, 2025 by dialing 877-481-4010 and using replay PIN 53047.

Does this Old Second Bancorp (OSBC) filing include Q3 2025 financial results?

No. This filing only announces the planned release date and conference call details for the third quarter 2025 financial results; the actual financial data will be provided separately when released.

Which stock exchange lists Old Second Bancorp (OSBC) common stock?

Old Second Bancorp’s common stock is listed on The Nasdaq Stock Market under the trading symbol OSBC.