INNOSPEC INC. — Director's Dealing 2026

Feb 26, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2026-02-23

Reporting Person: GRIFFIN HARDY LOUIS III (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-23	Common Stock	A	2521	$0.00	Acquired	10562	Direct

Footnotes

F1: Represents Restricted Stock Units ("RSUs") granted on February 23, 2026 which vest in full on February 23, 2029.