InsiderTrades

Form 4 for IOSP INNOSPEC INC.

Accepted 2026-03-03 00:00:00 ET · period of report 2026-02-27 · accession 0001193125-26-089087 · 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 Williams Patrick Pres, CEO F - Tax $78.34 -7,966 231.5K -3% -$624.1K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-27 F D 7,966 $78.34 231,535 D — — (F1) Shares withheld to settle income tax liability incurred upon vesting of restricted stock unit award on February 27, 2026.