Bonnie Cook - Jul 31, 2021 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: Jul 31, 2021
Transactions value $: -$21,865
Form type: 4
Date filed: 8/3/2021, 06:00 PM
Next filing: Mar 2, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MANT	Class A Common Stock	Options Exercise		+830	+11.26%		8.2K	Jul 31, 2021	Direct	F1
transaction	MANT	Class A Common Stock	Tax liability	-$21.9K	-250	-3.05%	$87.46	7.95K	Jul 31, 2021	Direct
holding	MANT	Class A Common Stock						847	Jul 31, 2021	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	Restricted Stock Units	Options Exercise	$0	-830	-33.33%	$0.00	1.66K	Jul 31, 2021	Class A Common Stock	830		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Restricted stock units convert into common stock on a one-for-one basis.
F2	On July 31, 2020, the reporting person was granted 2,490 RSUs, vesting in three annual installments, beginning on the first anniversary of the grant date.