Jikun Kim - Mar 20, 2022 Form 4 Insider Report for Momentus Inc. (MNTS)

Role: Chief Financial Officer
Signature: /s/Jikun Kim
Stock symbol: MNTS
Transactions as of: Mar 20, 2022
Transactions value $: -$10,211
Form type: 4
Date filed: 3/22/2022, 05:03 PM
Previous filing: Feb 23, 2022
Next filing: Apr 21, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MNTS	Class A Common Stock	Options Exercise	$0	+7.64K	+13.76%	$0.00	63.1K	Mar 20, 2022	Direct
transaction	MNTS	Class A Common Stock	Tax liability	-$10.2K	-4.02K	-6.37%	$2.54^*	59.1K	Mar 20, 2022	Direct	F1

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	MNTS	Stock Option (Right to Buy)	Award	$0	+311K		$0.00	311K	Mar 20, 2022	Class A Common Stock	311K	$2.54	Direct	F2
transaction	MNTS	Restricted Stock Units	Award	$0	+533K		$0.00	533K	Mar 20, 2022	Class A Common Stock	533K	$0.00	Direct	F3
transaction	MNTS	Restricted Stock Units	Options Exercise	$0	-7.64K	-3.23%	$0.00	229K	Mar 20, 2022	Class A Common Stock	7.64K	$0.00	Direct	F4

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

Explanation of Responses:

Id	Content
F1	These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of vested restricted stock units.
F2	Represents a grant of stock options, which vests in equal installments quarterly on June 20th, September 20th, December 20th and March 20th following the Vesting Commencement Date over the three years, subject to Executive's continued Employment through each such vesting date.
F3	Represents a grant of Restricted Stock Units, which vest in three equal annual installments from Vesting Commencement Date, subject to Executive's continued Employment through each such vesting date.
F4	The RSU Award will vest 29.2% of the total number of RSUs upon November 20, 2021. As to the balance of the 70.8% of the total number of RSUs, these RSUs will vest monthly on the 20th of each month, evenly split (70.8%/34) across the following 34 months, subject to Executive's continued Employment through each such vesting date.