InsiderTrades

Form 4 for IOSP INNOSPEC INC.

Accepted 2026-03-03 00:00:00 ET · period of report 2026-02-27 · accession 0001193125-26-089116 · 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
2026-03-03 2026-02-27 IOSP BARNES CORBIN SVP, Corp. Dev, IR F - Tax $78.34 -166 13.1K -1% -$13.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-27 F D 166 $78.34 13,079.61 D — — (F1) Shares withheld to settle income tax liability incurred upon vesting of restricted stock unit award on February 27, 2026.