ROBERT E. SCHWARZ - 20 Mar 2023 Form 4 Insider Report for Momentus Inc. (MNTS)

Role: Chief Technology Officer
Signature: /s/ Paul Ney, Attorney-in-Fact
Issuer symbol: MNTS
Transactions as of: 20 Mar 2023
Net transactions value: -$9,116
Form type: 4
Filing time: 23 Mar 2023, 18:04:10 UTC
Previous filing: 22 Mar 2022
Next filing: 06 Apr 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MNTS	Class A Common Stock	Options Exercise	$0	+55,556		$0.000000	55,556	20 Mar 2023	Direct
transaction	MNTS	Class A Common Stock	Tax liability	$9,116	-18,991	-34%	$0.4800	36,565	20 Mar 2023	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	-55,556	-33%	$0.000000	111,111	20 Mar 2023	Class A Common Stock	55,556	$0.000000	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	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.