Investor Prime Movers Lab Fund I LP
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Prime Movers Lab Fund I LP . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2024-02-07 13D/A MNTS / Momentus Inc. 234,107 20,000
2024-02-07 13D/A HLGN / Heliogen, Inc. 17,145,777 0
2024-02-07 13G/A VAXX / Vaxxinity, Inc. 17,254,728 1,201,994
2023-09-18 13D/A MNTS / Momentus Inc. 408,107 234,107
2023-09-13 13D/A MNTS / Momentus Inc. 22,471,648 408,107
2023-07-06 13D/A HLGN / Heliogen, Inc. 17,145,777 17,145,777
2023-06-15 13D/A HLGN / Heliogen, Inc. 23,945,777 17,145,777
2023-06-12 13D/A MNTS / Momentus Inc. 26,471,648 22,471,648
2023-04-13 13D/A HLGN / Heliogen, Inc. 23,945,777 23,945,777
2023-02-13 13G/A VAXX / Vaxxinity, Inc. 18,027,314 17,254,728
2023-02-13 13D HLGN / Heliogen, Inc. 26,598,734 23,945,777
2023-02-09 13D/A MNTS / Momentus Inc. 26,471,648 26,471,648
2023-02-01 13D/A MNTS / Momentus Inc. 26,471,648 26,471,648
2022-08-19 13D/A MNTS / Momentus Inc. 26,626,648 26,471,648
2022-02-23 13G HLGN / Heliogen, Inc. 26,598,734 26,598,734
2022-02-18 13D/A MNTS / Momentus Inc. 27,996,648 26,626,648
2022-02-09 13G VAXX / Vaxxinity, Inc. 18,027,314
2021-10-08 13D MNTS / Momentus Inc. 27,996,648