Bonnie Cook - Mar 9, 2022 Form 4 Insider Report for MANTECH INTERNATIONAL CORP (MANT)

Role: EVP Business Operations
Signature: /s/ Michael R. Putnam, by Power of Attorney
Stock symbol: MANT
Transactions as of: Mar 9, 2022
Transactions value $: -$58,757
Form type: 4
Date filed: 3/10/2022, 05:00 PM
Previous filing: Mar 2, 2022
Next filing: Mar 17, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MANT	Class A Common Stock	Options Exercise	$138K	+3.75K	+47.16%	$36.87	11.7K	Mar 9, 2022	Direct
transaction	MANT	Class A Common Stock	Tax liability	-$197K	-2.31K	-19.74%	$85.29	9.39K	Mar 9, 2022	Direct
holding	MANT	Class A Common Stock						847	Mar 9, 2022	By the ManTech Employee Stock Ownership Plan

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	MANT	Employee Stock Option (right to buy)	Options Exercise	$0	-3.75K	-100%	$0.00^*	0	Mar 9, 2022	Class A Common Stock	3.75K	$36.87	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The options were granted on March 15, 2017, with one-third of the total grant vesting on March 15, 2018, one-third of the total grant vesting on March 15, 2019, and the remaining one-third vesting on March 15, 2020.