InsiderTrades

Form 4 for OSBC OLD SECOND BANCORP INC

Accepted 2026-01-05 00:00:00 ET · period of report 2025-12-31 · accession 0001840027-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
I 2026-01-05 2025-12-31 OSBC Gartelmann Richard A JR EVP J - Other $0.00 +47 12.6K +0.4% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Old Second Bancorp, Inc. Common Stock 2025-12-31 J A 47 $0.00 12,563 I By 401-K — — (F1) Of this total, 47 shares were allocated during the fourth quarter pursuant to the Old Second Bancorp, Inc. Salary and Savings Plan. Information was provided herein by the Plan Trustee as of 12-31-25.