IAN MALCOLM MCROBBIE - 26 Feb 2024 Form 4 Insider Report for INNOSPEC INC. (IOSP)

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	Phantom Stock	Award	$0	+1.28K		$0.00	1.28K	26 Feb 2024	Common Stock	1.28K		Direct	F1

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

Id	Content
F1	Each share of phantom stock is the economic equivalent of one share of IOSP common stock.