InsiderTrades

Form 4 for OSBC OLD SECOND BANCORP INC

Accepted 2026-05-21 17:35:26 ET · period of report 2026-05-21 · accession 0001184766-26-000014 · 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 2026-05-21 17:35 2026-05-21 OSBC COLLINS GARY S VICE COB, Dir S - Sale $21.12 -10.0K 63.3K -14% -$211.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Old Second Bancorp, Inc. Common Stock 2026-05-21 S D 10,000 $21.12 63,256.08 I IRA — —