Stuart Tison - Nov 9, 2021 Form 4 Insider Report for ENTEGRIS INC (ENTG)

Role: SVP & GM, SCEM
Signature: /s/ Joseph Colella, Attorney-In-Fact for Stuart Tison
Stock symbol: ENTG
Transactions as of: Nov 9, 2021
Transactions value $: -$427,806
Form type: 4
Date filed: 11/12/2021, 03:06 PM
Next filing: Feb 3, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ENTG	Common Stock	Sale	-$184K	-1.25K	-1.77%	$147.57	69K	Nov 9, 2021	Direct
transaction	ENTG	Common Stock	Options Exercise	$100K	+3.22K	+4.66%	$31.10	72.3K	Nov 9, 2021	Direct
transaction	ENTG	Common Stock	Tax liability	-$248K	-1.68K	-2.32%	$147.78	70.6K	Nov 9, 2021	Direct
transaction	ENTG	Common Stock	Options Exercise	$148K	+2.66K	+3.77%	$55.72	73.2K	Nov 9, 2021	Direct
transaction	ENTG	Common Stock	Tax liability	-$244K	-1.65K	-2.26%	$147.77	71.6K	Nov 9, 2021	Direct

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	ENTG	Employee Stock Option (Right to Buy)	Options Exercise	$0	-3.22K	-50%	$0.00	3.22K	Nov 9, 2021	Common Stock	3.22K	$31.10	Direct	F1
transaction	ENTG	Employee Stock Option (Right to Buy)	Options Exercise	$0	-2.66K	-25%	$0.00	7.97K	Nov 9, 2021	Common Stock	2.66K	$55.72	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The option vests in four equal annual installments. The first three installments became exercisable on February 19, 2019, February 19, 2020 and February 19, 2021. The remaining installment will become exercisable on February 19, 2022.
F2	The option vests in four equal annual installments. The first installment became exercisable on February 19, 2021. The remaining three installments will become exercisable on February 19, 2022, February 19, 2023 and February 19, 2024.