STOCK TITAN
  1. Home
  2. Sec-filings
  3. OSBC
  4. [Form 4] OLD SECOND BANCORP INC Insider Trading Activity

OSBC (OSBC) CFO Bradley Adams updates stock and RSU holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

OLD SECOND BANCORP INC CFO & COO Bradley S. Adams reported routine changes in his holdings. During the first quarter, 35 shares of Old Second Bancorp common stock were allocated to his 401(k) under the company’s Employee Salary and Savings Plan, bringing that indirect plan position to 10,159 shares as of March 31, 2026.

He also reports 160,401 common shares held directly, including 75,300 shares held jointly with his spouse through a broker and 85,101 shares held jointly outright, plus 84,980 restricted stock units.

Positive

  • None.

Negative

  • None.
Insider ADAMS BRADLEY S.
Role CFO & COO
Type Security Shares Price Value
Other Old Second Bancorp, Inc. Common Stock 35 $0.00 --
holding Old Second Bancorp, Inc. Common Stock -- -- --
holding Restricted Stock Units -- -- --
Holdings After Transaction: Old Second Bancorp, Inc. Common Stock — 10,159 shares (Indirect, By 401-k Plan); Old Second Bancorp, Inc. Common Stock — 160,401 shares (Direct); Restricted Stock Units — 84,980 shares (Direct)
Footnotes (1)
  1. Of this total, 35 shares were allocated during the first quarter pursuant to the Old Second Bancorp, Inc. Employee Salary and Savings Plan. Information herein was provided by the Plan Trustee as of 3-31-26. Included in this total are 75,300 shares held jointly with spouse with a broker and 85,101 shares held jointly with spouse outright.
401(k) allocation 35 shares Allocated in Q1 under Employee Salary and Savings Plan
401(k) holdings after allocation 10,159 shares Indirect Old Second Bancorp common stock as of March 31, 2026
Direct common stock holdings 160,401 shares Direct Old Second Bancorp common stock as of March 31, 2026
Joint broker-held shares with spouse 75,300 shares Portion of direct holdings held jointly via broker
Joint outright shares with spouse 85,101 shares Portion of direct holdings held jointly outright
Restricted stock units 84,980 units RSU holdings as of March 31, 2026
Restricted Stock Units financial
"security_title: "Restricted Stock Units""
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Old Second Bancorp, Inc. Employee Salary and Savings Plan financial
"allocated during the first quarter pursuant to the Old Second Bancorp, Inc. Employee Salary and Savings Plan"
401-k Plan financial
"nature_of_ownership: "By 401-k Plan""
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
ADAMS BRADLEY S.
(Last)(First)(Middle)
37 S. RIVER ST.
(Street)
AURORA ILLINOIS 60506
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
OLD SECOND BANCORP INC [ OSBC ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
CFO & COO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Old Second Bancorp, Inc. Common Stock03/31/2026JV35A$010,159(1)IBy 401-k Plan
Old Second Bancorp, Inc. Common Stock160,401(2)D
Restricted Stock Units84,980D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Of this total, 35 shares were allocated during the first quarter pursuant to the Old Second Bancorp, Inc. Employee Salary and Savings Plan. Information herein was provided by the Plan Trustee as of 3-31-26.
2. Included in this total are 75,300 shares held jointly with spouse with a broker and 85,101 shares held jointly with spouse outright.
/s/ Shirley Cantrell, Attorney-in-Fact04/02/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did OSBC executive Bradley S. Adams report in this Form 4 filing?

Bradley S. Adams, CFO & COO of OLD SECOND BANCORP INC, reported routine updates to his shareholdings. The filing shows a small 35-share allocation to his 401(k) plan and discloses his direct common stock and restricted stock unit positions as of March 31, 2026.

How many OSBC shares were allocated to Bradley Adams’ 401(k) plan?

The filing states that 35 shares of OLD SECOND BANCORP INC common stock were allocated to Bradley Adams’ 401(k) during the first quarter. These shares were provided under the Old Second Bancorp, Inc. Employee Salary and Savings Plan, based on information from the plan trustee as of March 31, 2026.

What are Bradley Adams’ total indirect and direct OSBC shareholdings?

Following the 35-share allocation, Adams holds 10,159 OLD SECOND BANCORP INC common shares indirectly through a 401(k) plan. He also reports 160,401 common shares held directly, in addition to a separate position in restricted stock units, all as of March 31, 2026.

How many restricted stock units does Bradley Adams hold in OSBC?

The Form 4 shows that Bradley Adams holds 84,980 restricted stock units of OLD SECOND BANCORP INC. Restricted stock units typically represent a right to receive shares in the future, subject to vesting and other conditions specified in the company’s compensation plans.

How are Bradley Adams’ directly held OSBC shares structured with his spouse?

The filing explains that of Adams’ 160,401 directly held OLD SECOND BANCORP INC shares, 75,300 are held jointly with his spouse through a broker, and 85,101 are held jointly with his spouse outright. This detail clarifies how much stock is held in joint ownership arrangements.