Matthew A. Tait - 15 Mar 2022 Form 4 Insider Report for MANTECH INTERNATIONAL CORP

Role: Chief Operating Officer
Signature: /s/ Michael R. Putnam, by Power of Attorney
Issuer symbol: N/A
Transactions as of: 15 Mar 2022
Net transactions value: -$451,280
Form type: 4
Filing time: 17 Mar 2022, 17:00:41 UTC
Previous filing: 02 Mar 2022
Next filing: 02 Aug 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		+13,504	+59%		36,404	15 Mar 2022	Direct	F1
transaction	MANT	Class A Common Stock	Tax liability	$451,280	-5,256	-14%	$85.86	31,148	15 Mar 2022	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	MANT	Restricted Stock Units	Options Exercise	$0	-5,254	-50%	$0.000000	5,253	15 Mar 2022	Class A Common Stock	5,254		Direct	F1, F2
transaction	MANT	Restricted Stock Units	Options Exercise	$0	-8,250	-33%	$0.000000	16,500	15 Mar 2022	Class A Common Stock	8,250		Direct	F1, F3

* 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, 2020, the reporting person was granted 15,760 RSUs, vesting in three annual installments, beginning on the first anniversary of the grant date.
F3	On March 15, 2021, the reporting person was granted 24,750 RSUs, vesting in three annual installments, beginning on the first anniversary of the grant date.