Carl Christenson - Aug 15, 2022 Form 4 Insider Report for Altra Industrial Motion Corp. (AIMC)

Role: Chairman and CEO, Director
Signature: Todd Patriacca, Attorney-in-fact
Stock symbol: AIMC
Transactions as of: Aug 15, 2022
Transactions value $: -$469,505
Form type: 4
Date filed: 8/17/2022, 10:41 AM
Previous filing: May 10, 2022
Next filing: Dec 28, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AIMC	Common Stock, par value $0.001	Options Exercise	$0	+23.5K	+25.97%	$0.00	114K	Aug 15, 2022	Direct
transaction	AIMC	Common Stock, par value $0.001	Tax liability	-$470K	-10.4K	-9.14%	$45.11	103K	Aug 15, 2022	Direct	F1
holding	AIMC	Common Stock, par value $0.001						127K	Aug 15, 2022	By Trust	F2
holding	AIMC	Common Stock, par value $0.001						300	Aug 15, 2022	By Children, see footnote	F3

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	AIMC	Restricted Stock Unit	Options Exercise	$0	-23.5K	-42.78%	$0.00	31.4K	Aug 15, 2022	Common Stock	23.5K		Direct	F4, F5

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

Explanation of Responses:

Id	Content
F1	This transaction relates to the withholding for tax purposes in connection with the vesting and distribution of restricted units.
F2	The shares are held in a trust for which Mr. Christenson serves as trustee.
F3	Shares are held by Reporting Persons children.
F4	Restricted stock units are payable in shares of common stock on a one-to-one basis.
F5	Each RSU represents a contingent right to receive one share of common stock upon settlement. The grants have graded vesting schedules over a 4 year period. The exercisable date will vary by vesting tranche.