Bonnie Cook - 09 Mar 2022 Form 4 Insider Report for MANTECH INTERNATIONAL CORP

Role: EVP Business Operations
Signature: /s/ Michael R. Putnam, by Power of Attorney
Issuer symbol: N/A
Transactions as of: 09 Mar 2022
Net transactions value: -$58,757
Form type: 4
Filing time: 10 Mar 2022, 17:00:23 UTC
Previous filing: 02 Mar 2022
Next filing: 17 Mar 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MANT	Class A Common Stock	Options Exercise	$138,262	+3,750	+47%	$36.87	11,702	09 Mar 2022	Direct
transaction	MANT	Class A Common Stock	Tax liability	$197,020	-2,310	-20%	$85.29	9,392	09 Mar 2022	Direct
holding	MANT	Class A Common Stock						847	09 Mar 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	-3,750	-100%	$0.000000^*	0	09 Mar 2022	Class A Common Stock	3,750	$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.