InsiderTrades

Form 4 for OSBC OLD SECOND BANCORP INC

Accepted 2026-09-03 17:40:25 ET · period of report 2026-09-03 · accession 0001184764-26-000004 · 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
2026-09-03 17:40 2026-09-03 OSBC MCLEAN HUGH H Dir S - Sale $25.73 -25.0K 135.4K -16% -$643.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Old Second Bancorp, Inc. Common Stock 2026-09-03 S D 25,000 $25.73 135,351 D — — (F1) The reporting person moved 3,077 shares that were previously held in his account from within Old Second Bancorp, Inc., as reported on a Form 4 filing dated February 24, 2026, to his brokerage account. The total shown reflects the addition of the 3,077 shares when combined with the sale of 25,000 shares.