Matthew A. Tait - 31 Jul 2021 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: 31 Jul 2021
Net transactions value: -$148,507
Form type: 4
Filing time: 03 Aug 2021, 18:00:59 UTC
Next filing: 05 Aug 2021
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		+3,763	+21%		21,644	31 Jul 2021	Direct	F1
transaction	MANT	Class A Common Stock	Tax liability	$148,507	-1,698	-7.8%	$87.46	19,946	31 Jul 2021	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	-3,763	-33%	$0.000000	7,527	31 Jul 2021	Class A Common Stock	3,763		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 11,290 RSUs, vesting in three annual installments, beginning on the first anniversary of the grant date.