INNOSPEC INC. — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2026-02-27

Reporting Person: Williams Patrick (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-27	Common Stock	F	7966	$78.34	Disposed	231535	Direct

Footnotes

F1: Shares withheld to settle income tax liability incurred upon vesting of restricted stock unit award on February 27, 2026.