Larry Padfield - 20 Feb 2026 Form 4 Insider Report for INNOSPEC INC. (IOSP)

Role: Director
Signature: Larry Padfield
Issuer symbol: IOSP
Transactions as of: 20 Feb 2026
Net transactions value: -$38,791
Form type: 4
Filing time: 24 Feb 2026, 18:24:00 UTC
Previous filing: 27 Feb 2025
Next filing: 06 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
PADFIELD Larry	Director	8310 SOUTH VALLEY HIGHWAY, SUITE 350, ENGLEWOOD	Larry Padfield	24 Feb 2026	0001567635

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IOSP	Common Stock	Options Exercise	$45,505	+1,030	+12%	$44.18	9,538	20 Feb 2026	Direct
transaction	IOSP	Common Stock	Sale	$84,296	-1,030	-11%	$81.84	8,508	20 Feb 2026	Direct
transaction	IOSP	Common Stock	Award	$0	+1,539	+18%	$0.000000	10,047	23 Feb 2026	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	IOSP	Stock Option	Options Exercise	$0	-1,030	-100%	$0.000000	0	20 Feb 2026	Common Stock	1,030	$44.18	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents Restricted Stock Units ("RSUs") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director.