Dawn A. Harms - Aug 12, 2021 Form 4 Insider Report for Momentus Inc. (MNTS)

Role: Chief Revenue Officer
Signature: /s/ Jikun Kim, Attorney-in-Fact
Stock symbol: MNTS
Transactions as of: Aug 12, 2021
Transactions value $: $0
Form type: 4
Date filed: 8/16/2021, 07:30 PM
Next filing: Nov 10, 2021

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 Options (right to buy)	Award		+3.86K			3.86K	Aug 12, 2021	Class A Common Stock	3.86K	$0.29	Direct	F1, F2
transaction	MNTS	Stock Options (right to buy)	Award		+247K			247K	Aug 12, 2021	Class A Common Stock	247K	$0.29	Direct	F2, F3

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

Explanation of Responses:

Id	Content
F1	On August 12, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of October 7, 2020 (as amended, supplemented or modified from time to time, the "Merger Agreement"), by and among Stable Road Acquisition Corp., a Delaware corporation (the "Issuer"), Momentus Inc., a Delaware corporation ("Legacy Momentus"), and the other parties thereto, the Issuer completed its initial business combination (the "Business Combination"). As a result of the Business Combination, the Issuer changed its name to Momentus Inc. In connection with the Business Combination and in accordance with the Merger Agreement, an option to purchase 15,625 shares of Class A Common Stock of Legacy Momentus held by the Reporting Person was converted into an option to purchase 3,857 shares of Class A Common Stock of the Issuer. The issuance of the option was approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.
F2	The option vested and became exercisable as to 1/4th of the total number of shares on October 21, 2020, and thereafter will vest and become exercisable as to 1/48th of the total number of shares in equal monthly installments.
F3	In connection with the Business Combination, and in accordance with the Merger Agreement, an option to purchase 1,000,000 shares of Class A Common Stock of Legacy Momentus held by the Reporting Person was converted into an option to purchase 246,855 shares of Class A Common Stock of the Issuer. The issuance of the option was approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.