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Filing Details

Accession Number:: 0001062993-23-018503
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2023-09-26 18:18:09
Reporting Period:: 2023-09-22

Accepted Time:: 2023-09-26 18:18:09
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1781162	Momentus Inc.	MNTS	()	DE

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1751631	Prime Movers Lab Fund I Lp	P.o. Box 12829 Jackson WY 83002	No	No	Yes	No
1780632	Momentus Pml Spv 1 Lp	C/O Prime Movers Lab, P.o. Box 12829 Jackson WY 83002	No	No	Yes	No
1819327	Momentus Pml Spv 2 Lp	C/O Prime Movers Lab, P.o. Box 12829 Jackson WY 83002	No	No	Yes	No
1838981	Prime Movers Growth Fund I Lp	P.o. Box 12829 Jackson WY 83002	No	No	Yes	No
1853076	Momentus Pml Spv 3 Lp	C/O Prime Movers Lab, P.o. Box 12829 Jackson WY 83002	No	No	Yes	No
1875411	Dakin Sloss	C/O Prime Movers Lab, P.o. Box 12829 Jackson WY 83002	No	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Class A Common Stock	Disposition	2023-09-22	13,574	$2.39	109,098	No	4	S	Direct
Class A Common Stock	Disposition	2023-09-22	5,381	$2.39	43,245	No	4	S	Indirect	Held by Momentus PML SPV 1 LP
Class A Common Stock	Disposition	2023-09-22	1,060	$2.39	8,520	No	4	S	Indirect	Held by Momentus PML SPV 2 LP
Class A Common Stock	Disposition	2023-09-22	2,630	$2.39	21,133	No	4	S	Indirect	Held by Momentus PML SPV 3 LP
Class A Common Stock	Disposition	2023-09-22	1,048	$2.39	8,418	No	4	S	Indirect	Held by Prime Movers Growth Fund I LP
Class A Common Stock	Disposition	2023-09-25	31,261	$2.04	77,837	No	4	S	Direct
Class A Common Stock	Disposition	2023-09-25	12,392	$2.04	30,853	No	4	S	Indirect	Held by Momentus PML SPV 1 LP
Class A Common Stock	Disposition	2023-09-25	2,442	$2.04	6,078	No	4	S	Indirect	Held by Momentus PML SPV 2 LP
Class A Common Stock	Disposition	2023-09-25	6,056	$2.04	15,077	No	4	S	Indirect	Held by Momentus PML SPV 3 LP
Class A Common Stock	Disposition	2023-09-25	2,412	$2.04	6,006	No	4	S	Indirect	Held by Prime Movers Growth Fund I LP
Class A Common Stock	Disposition	2023-09-26	17,202	$1.91	60,635	No	4	S	Direct
Class A Common Stock	Disposition	2023-09-26	6,819	$1.91	24,034	No	4	S	Indirect	Held by Momentus PML SPV 1 LP
Class A Common Stock	Disposition	2023-09-26	1,344	$1.91	4,734	No	4	S	Indirect	Held by Momentus PML SPV 2 LP
Class A Common Stock	Disposition	2023-09-26	3,332	$1.91	11,745	No	4	S	Indirect	Held by Momentus PML SPV 3 LP
Class A Common Stock	Disposition	2023-09-26	1,327	$1.91	4,679	No	4	S	Indirect	Held by Prime Movers Growth Fund I LP

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Indirect	Held by Momentus PML SPV 1 LP
No	4	S	Indirect	Held by Momentus PML SPV 2 LP
No	4	S	Indirect	Held by Momentus PML SPV 3 LP
No	4	S	Indirect	Held by Prime Movers Growth Fund I LP
No	4	S	Direct
No	4	S	Indirect	Held by Momentus PML SPV 1 LP
No	4	S	Indirect	Held by Momentus PML SPV 2 LP
No	4	S	Indirect	Held by Momentus PML SPV 3 LP
No	4	S	Indirect	Held by Prime Movers Growth Fund I LP
No	4	S	Direct
No	4	S	Indirect	Held by Momentus PML SPV 1 LP
No	4	S	Indirect	Held by Momentus PML SPV 2 LP
No	4	S	Indirect	Held by Momentus PML SPV 3 LP
No	4	S	Indirect	Held by Prime Movers Growth Fund I LP

Footnotes

Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML.
Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1.
Held by Momentus PML SPV 2 LP ("PML SPV 2"). Prime Movers Lab GP II LLC ("PML GP II") is the general partner of PML SPV 2.
Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3.
Held by Prime Movers Growth Fund I LP ("PM Growth"). Prime Movers Growth GP I LLC ("PM Growth GP") is the general partner of PM Growth.
Dakin Sloss is the manager of PML GP, PML GP II and PM Growth GP, and may be deemed to beneficially own the securities held by PML, PML SPV 1, PML SPV 2, PML SPV 3 and PM Growth. Mr. Sloss disclaims any beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein.
The price of $2.3862 per share represents a weighted average of purchase prices ranging from $2.26 to $2.76 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
The price of $2.0445 per share represents a weighted average of purchase prices ranging from $1.87 to $2.39 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
The price of $1.9127 per share represents a weighted average of purchase prices ranging from $1.76 to $2.01 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.