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

Role: Chief Financial Officer
Signature: /s/Jikun Kim
Stock symbol: MNTS
Transactions as of: Sep 20, 2022
Transactions value $: -$6,432
Form type: 4
Date filed: 9/21/2022, 08:29 AM
Previous filing: Aug 23, 2022
Next filing: Oct 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	+9.89%	$0.00	84.8K	Sep 20, 2022	Direct
transaction	MNTS	Class A Common Stock	Tax liability	-$6.43K	-4.02K	-4.74%	$1.60	80.8K	Sep 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	Restricted Stock Units	Options Exercise	$0	-7.64K	-4%	$0.00	183K	Sep 20, 2022	Class A Common Stock	7.64K	$0.00	Direct	F2

* 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	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.