Machine learning predictions based on historical earnings data and price patterns
1-Day Prediction
-3.05%
$20.82
0% positive prob.
5-Day Prediction
-4.93%
$20.41
0% positive prob.
20-Day Prediction
-4.79%
$20.44
0% positive prob.
SEC 8-K filings with transcript text
Jan 21, 2026 · 100% conf.
1D
-3.05%
$20.82
Act: -0.98%
5D
-4.93%
$20.41
Act: -9.13%
20D
-4.79%
$20.44
Act: -5.12%
OLD SECOND BANCORP INC_January 21, 2026 OLD SECOND BANCORP INC0000357173false00003571732026-01-212026-01-21 I United States Securities And Exchange Commission Washington, D.C. 20549
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 21, 2026
(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
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 2.02 Results of Operations and Financial Condition On January 21, 2026, Old Second Bancorp, Inc. (the “Company’s”) issued a press release announcing its financial results for the fourth quarter ended December 31, 2025, along with certain other financial information. Copies of the Company’s press release and loan portfolio disclosures are attached as Exhibits 99.1 and 99.2, respectively. Item 9.01 Financial Statements and Exhibits
Exhibit No. Description
99.1 Press Release of Old Second Bancorp, Inc. dated January 21, 2026
99.2 Loan Portfolio Disclosures for Old Second Bancorp, Inc. dated December 31, 2025
104 Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document)
2
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.
Dated: January 21, 2026 By: /s/ Bradley S. Adams
Bradley S. Adams
Executive Vice President,
Chief Operating Officer and
Chief Financial Officer
3
Oct 22, 2025
OLD SECOND BANCORP INC_October 22, 2025 OLD SECOND BANCORP INC0000357173false00003571732025-10-222025-10-22 I United States Securities And Exchange Commission Washington, D.C. 20549
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 22, 2025
(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
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 2.02 Results of Operations and Financial Condition On October 22, 2025, Old Second Bancorp, Inc. (the “Company’s”) issued a press release announcing its financial results for the third quarter ended September 30, 2025, along with certain other financial information. Copies of the Company’s press release and loan portfolio disclosures are attached as Exhibits 99.1 and 99.2, respectively. Item 9.01 Financial Statements and Exhibits
Exhibit No. Description
99.1 Press Release of Old Second Bancorp, Inc. dated October 22, 2025
99.2 Loan Portfolio Disclosures for Old Second Bancorp, Inc. dated September 30, 2025
104 Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document)
2
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.
Dated: October 22, 2025 By: /s/ Bradley S. Adams
Bradley S. Adams
Executive Vice President,
Chief Operating Officer and
Chief Financial Officer
3
Jul 23, 2025
Old Second Bancorp, Inc OLD SECOND BANCORP INC0000357173false00003571732025-07-232025-07-23 I United States Securities And Exchange Commission Washington, D.C. 20549
Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2025
(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
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 2.02 Results of Operations and Financial Condition On July 23, 2025, Old Second Bancorp, Inc. (the “Company’s”) issued a press release announcing its financial results for the second quarter ended June 30, 2025, along with certain other financial information. Copies of the Company’s press release and loan portfolio disclosures are attached as Exhibits 99.1 and 99.2, respectively. Item 9.01 Financial Statements and Exhibits
Exhibit No. Description
99.1 Press Release of Old Second Bancorp, Inc. dated July 23, 2025
99.2 Loan Portfolio Disclosures for Old Second Bancorp, Inc. dated June 30, 2025
104 Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document)
2
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.
Dated: July 23, 2025 By: /s/ Bradley S. Adams
Bradley S. Adams
Executive Vice President,
Chief Operating Officer and
Chief Financial Officer
3
This page provides Old Second Bancorp Inc. (OSBC) earnings call transcripts from SEC 8-K filings along with AI-powered predictions for post-earnings price movements. Our machine learning models analyze historical earnings data, pre-earnings price patterns, volume changes, and volatility to predict 1-day, 5-day, and 20-day returns after each earnings release.
Earnings transcripts are sourced directly from SEC EDGAR filings. Predictions are generated using gradient boosting models trained on OSBC's historical earnings reactions. All predicted returns are shown as percentages, and predicted prices are calculated from the closing price at the time of prediction. Past performance does not guarantee future results.