Bonnie Cook - Mar 15, 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 15, 2022
Transactions value $: -$109,386
Form type: 4
Date filed: 3/17/2022, 05:01 PM
Previous filing: Mar 10, 2022
Next filing: Aug 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		+4.23K	+45.03%		13.6K	Mar 15, 2022	Direct	F1
transaction	MANT	Class A Common Stock	Tax liability	-$109K	-1.27K	-9.35%	$85.86	12.3K	Mar 15, 2022	Direct
holding	MANT	Class A Common Stock						847	Mar 15, 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	Restricted Stock Units	Options Exercise	$0	-800	-100%	$0.00^*	0	Mar 15, 2022	Class A Common Stock	800		Direct	F1, F2
transaction	MANT	Restricted Stock Units	Options Exercise	$0	-1.38K	-49.98%	$0.00	1.38K	Mar 15, 2022	Class A Common Stoc	1.38K		Direct	F1, F3
transaction	MANT	Restricted Stock Units	Options Exercise	$0	-2.05K	-33.33%	$0.00	4.11K	Mar 15, 2022	Class A Common Stoc	2.05K		Direct	F1, F4

* 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 March 15, 2019, the reporting person was granted 2,400 RSUs, vesting in three annual installments, beginning on the first anniversary of the grant date.
F3	On March 15, 2020, the reporting person was granted 4,130 RSUs, vesting in three annual installments, beginning on the first anniversary of the grant date.
F4	On March 15, 2021, the reporting person was granted 6,160 RSUs, vesting in three annual installments, beginning on the first anniversary of the grant date.