STOCK TITAN

Old Second Bancorp (OSBC) vice chair sells 10,000 shares in IRA

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Old Second Bancorp Inc. vice chairman and director Gary S. Collins reported an open-market sale of 10,000 shares of Old Second Bancorp common stock at $21.12 per share through an IRA. After this transaction, the IRA holds 63,256.085 shares.

The filing also shows Collins with 30,136 shares of common stock held directly, 7,058 shares held indirectly through a 401-K, and 37,312 restricted stock units as of the reported date. These additional lines reflect reported holdings rather than new purchases or sales.

Positive

  • None.

Negative

  • None.
Insider COLLINS GARY S
Role VICE CHAIRMAN
Sold 10,000 shs ($211K)
Type Security Shares Price Value
Sale Old Second Bancorp, Inc. Common Stock 10,000 $21.12 $211K
holding Old Second Bancorp, Inc. Common Stock -- -- --
holding Old Second Bancorp, Inc. Common Stock -- -- --
holding Restricted Stock Units -- -- --
Holdings After Transaction: Old Second Bancorp, Inc. Common Stock — 63,256.085 shares (Indirect, IRA); Old Second Bancorp, Inc. Common Stock — 30,136 shares (Direct, null); Restricted Stock Units — 37,312 shares (Direct, null)
Footnotes (1)
Shares sold 10,000 shares Open-market sale of common stock
Sale price $21.12 per share Price for 10,000-share sale
IRA holdings after sale 63,256.085 shares Old Second Bancorp common stock in IRA post-transaction
Direct common shares 30,136 shares Directly held Old Second Bancorp common stock
401-K holdings 7,058 shares Indirect holdings via 401-K
Restricted Stock Units 37,312 units RSU holdings reported as of transaction date
Restricted Stock Units financial
"security_title: Restricted Stock Units with 37,312 units reported as holdings"
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.
open-market sale financial
"transaction_action: open-market sale of 10,000 common shares at $21.12"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
IRA financial
"nature_of_ownership: IRA for 10,000-share sale and 63,256.085 post-transaction shares"
An individual retirement account (IRA) is a savings account designed to help people put aside money for their retirement, often with tax advantages that encourage long-term savings. It matters to investors because it can grow over time, providing financial security later in life, and offers benefits that can reduce current taxes or allow investments to compound more effectively.
401-K financial
"nature_of_ownership: By 401-K for 7,058 indirectly held common shares"
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*
COLLINS GARY S

(Last)(First)(Middle)
37 S. RIVER ST.

(Street)
AURORA ILLINOIS 60302

(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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
VICE CHAIRMAN
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026
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 Stock05/21/2026S10,000D$21.1263,256.085IIRA
Old Second Bancorp, Inc. Common Stock30,136D
Old Second Bancorp, Inc. Common Stock7,058IBy 401-K
Restricted Stock Units37,312D
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:
/s/ Shirley Cantrell, Attorney-in-Fact05/21/2026
** 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)

FAQ

What insider transaction did OSBC vice chairman Gary S. Collins report?

Gary S. Collins reported selling 10,000 shares of Old Second Bancorp common stock. The sale was an open-market transaction at $21.12 per share and was executed through an IRA account, according to the Form 4 filing details.

At what price were the OSBC shares sold in Gary S. Collins’ Form 4?

The 10,000 Old Second Bancorp shares were sold at $21.12 each. This open-market sale price comes directly from the Form 4 transaction data for the non-derivative common stock entry dated May 21, 2026.

How many OSBC shares does Gary S. Collins’ IRA hold after the sale?

After the reported 10,000-share sale, the IRA associated with Gary S. Collins holds 63,256.085 Old Second Bancorp shares. This post-transaction balance is disclosed in the Form 4 as the total shares following the transaction for that IRA account.

What other Old Second Bancorp holdings does Gary S. Collins report on this Form 4?

Besides the IRA position, Collins reports 30,136 Old Second Bancorp common shares held directly and 7,058 shares held indirectly via a 401-K. He also reports 37,312 restricted stock units, all shown as holdings as of the transaction date.

Is the OSBC insider transaction a buy or a sell by Gary S. Collins?

The Form 4 shows a sell transaction by Gary S. Collins. Specifically, it records an open-market sale of 10,000 Old Second Bancorp common shares, coded as an “S” transaction, indicating a sale in the open market or a private transaction.

Does Gary S. Collins hold Old Second Bancorp shares both directly and indirectly?

Yes. The Form 4 indicates 30,136 Old Second Bancorp shares held directly and 7,058 shares held indirectly through a 401-K, plus 63,256.085 shares held indirectly via an IRA, alongside 37,312 restricted stock units.