InsiderTrades

Form 4 for OSBC OLD SECOND BANCORP INC

Accepted 2026-05-11 15:55:58 ET · period of report 2026-05-11 · accession 0001673321-26-000010 · 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
2026-05-11 15:55 2026-05-11 OSBC Pilmer Donald EVP S - Sale $20.75 -25.0K 48.1K -34% -$518.8K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Old Second Bancorp, Inc. Common Stock 2026-05-11 S D 25,000 $20.75 48,054 D — —