Kevin M. Phillips - 11 Aug 2021 Form 4 Insider Report for MANTECH INTERNATIONAL CORP

Role: Chairman of the Board & CEO, Director
Signature: /s/ Michael R. Putnam, by Power of Attorney
Issuer symbol: N/A
Transactions as of: 11 Aug 2021
Net transactions value: -$1,043,550
Form type: 4
Filing time: 13 Aug 2021, 07:05:14 UTC
Next filing: 09 Nov 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	$829,575	+22,500	+21%	$36.87	128,030	11 Aug 2021	Direct
transaction	MANT	Class A Common Stock	Sale	$1,873,125	-22,500	-18%	$83.25	105,530	11 Aug 2021	Direct	F1
holding	MANT	Class A Common Stock						542	11 Aug 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	Employee Stock Option (right to buy)	Options Exercise	$0	-22,500	-100%	$0.000000^*	0	11 Aug 2021	Class A Common Stock	22,500	$36.87	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The price in column 4 is a weighted average price. The prices actually received for the sale ranged from $83.02 to $83.45. For all weighted average prices reported in this Form 4, the reporting person will provide the issuer, any stockholder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
F2	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.