Gary S Collins Transfers Shares of OLD Second Bancorp Inc (OSBC) — SEC Form 4, Oct 01, 2026

SEC Form 4 · No Market Transaction

Other Transaction

Non-market transaction reported.

Reporting Owner

Gary S Collins

Officer

TXN 2026-09-30 · FILED 2026-10-01

Equity Position 112K sh 111,679 → 111,709

Equity Change +0.0% shares held after vs before

Filing Lag 1 business day within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

OLD Second Bancorp Inc

OSBC CIK 0000357173

Reporting Owner

Name	Relationship
Gary S Collins CIK 0001184766	Director Officer

Gary S Collins at OLD Second Bancorp Inc Full insider history

Bought (12 mo) —

Sold (12 mo) $1,590,899

More from this insider at OLD Second Bancorp Inc

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Old Second Bancorp, Inc. Common StockF1	2026-09-30	J - Other	30 A	$0.00	—	7,125	Indirect By 401-K

Non-Derivative Holdings

Title	Shares Held	Ownership
Old Second Bancorp, Inc. Common Stock	14,136	Direct
Old Second Bancorp, Inc. Common StockF2	53,136.085	Indirect IRA
Restricted Stock Units	37,312	Direct

Footnotes (2)

F1: These shares were allocated during the third quarter pursuant to the Old Second Bancorp, Inc. Employee Savings Plan & Trust. Information herein was provided by the Plan Trustee as of 9-30-26. Show more
F2: Included in this total are 30,880 shares in a ROTH IRA and 22,256.085 in a traditional IRA. Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 1 filer

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at OLD Second Bancorp Inc

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