Momentus Inc. — Director's Dealing 2021

Aug 17, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Momentus Inc. (MNTS)
CIK: 0001781162
Period of Report: 2021-08-12

Reporting Person: Prime Movers Lab Fund I LP (10% Owner)
Reporting Person: Momentus PML SPV 1 LP (10% Owner)
Reporting Person: MOMENTUS PML SPV 2 LP (10% Owner)
Reporting Person: Momentus PML SPV 3 LP (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-08-12	Class A Common Stock	A	14905597	—	Acquired	14905597	Direct
2021-08-12	Class A Common Stock	A	1000000	—	Acquired	15905597	Direct
2021-08-12	Class A Common Stock	A	6373200	—	Acquired	6373200	Indirect
2021-08-12	Class A Common Stock	A	1018594	—	Acquired	1018594	Indirect
2021-08-12	Class A Common Stock	A	2526394	—	Acquired	2526394	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-08-12	Warrants (right to buy)	$11.50	A	1000000	Acquired		Class A Common Stock (1000000)	Direct

Footnotes

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 aggregate of 65,133,131 shares of Class A Common Stock of Legacy Momentus held by the Reporting Person were converted into 14,905,597 shares of Class A Common Stock of the Issuer. The issuance of the shares was approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

F2: Prime Movers Lab GP I LLC is the general partner of each of the Reporting Persons.

F3: Pursuant to a Subscription Agreement dated as of July 16, 2021 (as amended from time to time, the "Subscription Agreement") entered into in connection with the Business Combination Agreement, the Reporting Person agreed to subscribe for and purchase, in a private placement immediately prior to the closing of the Business Combination, an aggregate of 1,000,000 shares of Class A Common Stock of the Issuer for a purchase price of $10.00 per share.

F4: Pursuant to the Subscription Agreement, the Reporting Person received a warrant to purchase one share of Class A Common Stock of the Issuer at a price of $11.50 per share (subject to adjustment as described in the warrant agreement) for each share of Class A Common Stock of the Issuer purchased by the Reporting Person.