INNOSPEC INC. — Director's Dealing 2025

Feb 27, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2025-02-21

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-21	Common Stock	M	121	$99.68	Acquired	5781	Direct
2025-02-21	Common Stock	D	121	$101.99	Disposed	5660	Direct
2025-02-24	Common Stock	A	1682	—	Acquired	7342	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-21	Stock Appreciation Right	$99.68	M	121	Disposed	2032-02-21	Common Stock (121)	Direct

Footnotes

F1: On February 21, 2025, the reporting person exercised a stock appreciation right ("SAR") with respect to 121 shares of Common Stock of the Company and involved no open market sales. Although the exercise did not involve the actual acquisition or disposition of Common Stock, for purposes of this report the reporting person is deemed to have purchased the shares underlying the SAR at the exercise price and making a simultaneous sale back to the issuer of the underlying securities at the market price on the date of exercise.

F2: Represents Restricted Stock Units ("RSUs") granted on February 24, 2025 which vest in full on February 24, 2028.