organization · Reporting owner

Prime Movers Lab Fund I LP

Disclosed activity across 3 companies

Tapewire entity: 109449
SEC CIK: 0001751631

Reported relationships

Latest disclosed role at each company.

Company	Last reported as	Report date	Published
Heliogen, Inc.HLGN · Entity 78373	10% owner	June 12, 2023	June 14, 2023
Momentus Inc.MNTS · Entity 6834	10% owner	September 22, 2023	September 26, 2023
Vaxxinity, Inc.VAXX · Entity 91688	10% owner	September 06, 2023	September 08, 2023

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Heliogen, Inc.

Report date June 12, 2023 · Filed June 14, 2023

Jointly reported with Sloss Dakin, Heliogen PML SPV 1 LP, Prime Movers Lab GP I LLC, Prime Movers Lab GP II LLC

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Common StockSEC Table I · non-derivative	IndirectHeld by Prime Movers Lab Fund I LP	10,477,320	Last balance in matching sequence After 2023-06-13 transaction · row 2 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 1 · 2023-06-12 · Sale · Disposed 275,000 · Balance 13,402,320 F4: The price of $0.2035 per share represents a weighted average of purchase prices ranging from $0.1985 to $0.2231 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. F1: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F3: Dakin Sloss is the manager of PML GP and PML GP II and as a result may be deemed to have or share beneficial ownership the securities held by PML and Heliogen PML. 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. Row 2 · 2023-06-13 · Sale · Disposed 2,925,000 · Balance 10,477,320 F5: The price of $0.1997 per share represents a weighted average of purchase prices ranging from $0.1910 to $0.2101 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. F1: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F3: Dakin Sloss is the manager of PML GP and PML GP II and as a result may be deemed to have or share beneficial ownership the securities held by PML and Heliogen PML. 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.
Common StockSEC Table I · non-derivative	IndirectHeld by Heliogen PML SPV 1 LP	6,668,457	Reported balance Holding disclosure · report date 2023-06-12 · row 3 Holding and transaction disclosures are not merged. 1 source row Row 3 · Balance 6,668,457 F2: Held by Heliogen PML SPV 1 LP ("Heliogen PML"). Prime Movers Lab GP II LLC ("PML GP II") is the general partner of Heliogen PML. F3: Dakin Sloss is the manager of PML GP and PML GP II and as a result may be deemed to have or share beneficial ownership the securities held by PML and Heliogen PML. 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.

Filing footnotes · ownership attribution and instrument terms

F1: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML.

F2: Held by Heliogen PML SPV 1 LP ("Heliogen PML"). Prime Movers Lab GP II LLC ("PML GP II") is the general partner of Heliogen PML.

F3: Dakin Sloss is the manager of PML GP and PML GP II and as a result may be deemed to have or share beneficial ownership the securities held by PML and Heliogen PML. 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.

F4: The price of $0.2035 per share represents a weighted average of purchase prices ranging from $0.1985 to $0.2231 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.

F5: The price of $0.1997 per share represents a weighted average of purchase prices ranging from $0.1910 to $0.2101 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.

Momentus Inc.

Report date September 22, 2023 · Filed September 26, 2023

Jointly reported with Sloss Dakin, Prime Movers Growth Fund I LP, Momentus PML SPV 1 LP, MOMENTUS PML SPV 2 LP, Momentus PML SPV 3 LP

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Class A common stockSEC Table I · non-derivative	Direct	77,837	Last balance in matching sequence After 2023-09-25 transaction · row 6 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 1 · 2023-09-22 · Sale · Disposed 13,574 · Balance 109,098 F7: 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. F1: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6: 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. Row 6 · 2023-09-25 · Sale · Disposed 31,261 · Balance 77,837 F8: 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. F1: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6: 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.
Class A common stockSEC Table I · non-derivative	IndirectHeld by Momentus PML SPV 1 LP	30,853	Last balance in matching sequence After 2023-09-25 transaction · row 7 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 2 · 2023-09-22 · Sale · Disposed 5,381 · Balance 43,245 F7: 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. F2: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6: 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. Row 7 · 2023-09-25 · Sale · Disposed 12,392 · Balance 30,853 F8: 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. F2: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6: 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.
Class A common stockSEC Table I · non-derivative	IndirectHeld by Momentus PML SPV 2 LP	8,520	Reported balance After 2023-09-22 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 3 · 2023-09-22 · Sale · Disposed 1,060 · Balance 8,520 F7: 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. F3: 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. F6: 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.
Class A common stockSEC Table I · non-derivative	IndirectHeld by Momentus PML SPV 3 LP	21,133	Reported balance After 2023-09-22 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 4 · 2023-09-22 · Sale · Disposed 2,630 · Balance 21,133 F7: 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. F4: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6: 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.
Class A common stockSEC Table I · non-derivative	IndirectHeld by Prime Movers Growth Fund I LP	8,418	Reported balance After 2023-09-22 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 5 · 2023-09-22 · Sale · Disposed 1,048 · Balance 8,418 F7: 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. F5: 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. F6: 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.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Momentus PML SPV 2 LP	4,734	Last balance in matching sequence After 2023-09-26 transaction · row 13 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 8 · 2023-09-25 · Sale · Disposed 2,442 · Balance 6,078 F8: 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. F3: 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. F6: 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. Row 13 · 2023-09-26 · Sale · Disposed 1,344 · Balance 4,734 F9: 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. F3: 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. F6: 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.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Momentus PML SPV 3 LP	11,745	Last balance in matching sequence After 2023-09-26 transaction · row 14 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 9 · 2023-09-25 · Sale · Disposed 6,056 · Balance 15,077 F8: 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. F4: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6: 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. Row 14 · 2023-09-26 · Sale · Disposed 3,332 · Balance 11,745 F9: 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. F4: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6: 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.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Prime Movers Growth Fund I LP	4,679	Last balance in matching sequence After 2023-09-26 transaction · row 15 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 10 · 2023-09-25 · Sale · Disposed 2,412 · Balance 6,006 F8: 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. F5: 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. F6: 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. Row 15 · 2023-09-26 · Sale · Disposed 1,327 · Balance 4,679 F9: 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. F5: 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. F6: 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.
Class A Common StockSEC Table I · non-derivative	Direct	60,635	Reported balance After 2023-09-26 transaction · row 11 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 11 · 2023-09-26 · Sale · Disposed 17,202 · Balance 60,635 F9: 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. F1: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6: 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.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Momentus PML SPV 1 LP	24,034	Reported balance After 2023-09-26 transaction · row 12 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 12 · 2023-09-26 · Sale · Disposed 6,819 · Balance 24,034 F9: 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. F2: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6: 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.

Filing footnotes · ownership attribution and instrument terms

F1: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML.

F2: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1.

F3: 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.

F4: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3.

F5: 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.

F6: 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.

F7: 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.

F8: 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.

F9: 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.

Vaxxinity, Inc.

Report date September 06, 2023 · Filed September 08, 2023

Jointly reported with Sloss Dakin

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Class A Common StockSEC Table I · non-derivative	IndirectHeld by COVAXX PML SPV 1 LP	2,058,990	Last balance in matching sequence After 2023-09-07 transaction · row 6 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 1 · 2023-09-06 · Sale · Disposed 1,251 · Balance 2,063,776 F1: The price of $1.8823 per share represents a weighted average of purchase prices ranging from $1.85 to $1.94 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. F2: Held by COVAXX PML SPV 1 LP ("PML SPV 1"). Prime Movers Lab GP I LLC ("PML GP I") is the general partner of Prime Movers Lab Fund I LP ("PML") and PML SPV 1. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Row 6 · 2023-09-07 · Sale · Disposed 4,786 · Balance 2,058,990 F8: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F2: Held by COVAXX PML SPV 1 LP ("PML SPV 1"). Prime Movers Lab GP I LLC ("PML GP I") is the general partner of Prime Movers Lab Fund I LP ("PML") and PML SPV 1. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.
Class A Common StockSEC Table I · non-derivative	Direct	8,738,752	Last balance in matching sequence After 2023-09-07 transaction · row 7 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 2 · 2023-09-06 · Sale · Disposed 5,308 · Balance 8,759,064 F1: The price of $1.8823 per share represents a weighted average of purchase prices ranging from $1.85 to $1.94 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. F3: Held by PML. PML GP I is the general partner of PML. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Row 7 · 2023-09-07 · Sale · Disposed 20,312 · Balance 8,738,752 F8: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F3: Held by PML. PML GP I is the general partner of PML. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by COVAXX PML SPV 2 LP	831,658	Last balance in matching sequence After 2023-09-08 transaction · row 13 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 3 source rows Row 3 · 2023-09-06 · Sale · Disposed 507 · Balance 835,992 F1: The price of $1.8823 per share represents a weighted average of purchase prices ranging from $1.85 to $1.94 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. F4: Held by COVAXX PML SPV 2 LP ("PML SPV 2"). Prime Movers Lab GP II LLC ("PML GP II") is the general partner of PML SPV 2. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Row 8 · 2023-09-07 · Sale · Disposed 1,939 · Balance 834,053 F8: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F4: Held by COVAXX PML SPV 2 LP ("PML SPV 2"). Prime Movers Lab GP II LLC ("PML GP II") is the general partner of PML SPV 2. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Row 13 · 2023-09-08 · Sale · Disposed 2,395 · Balance 831,658 F9: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F4: Held by COVAXX PML SPV 2 LP ("PML SPV 2"). Prime Movers Lab GP II LLC ("PML GP II") is the general partner of PML SPV 2. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by COVAXX PML SPV 3 LP	1,472,208	Reported balance After 2023-09-06 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 4 · 2023-09-06 · Sale · Disposed 892 · Balance 1,472,208 F1: The price of $1.8823 per share represents a weighted average of purchase prices ranging from $1.85 to $1.94 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. F5: Held by COVAXX PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Prime Movers Growth Fund 1 LP	3,612,849	Reported balance After 2023-09-06 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 5 · 2023-09-06 · Sale · Disposed 2,189 · Balance 3,612,849 F1: The price of $1.8823 per share represents a weighted average of purchase prices ranging from $1.85 to $1.94 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. F6: Held by Prime Movers Growth Fund 1 LP ("PMG"). Prime Movers Growth GP I LLC ("PMG GP") is the general partner of PMG. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.
Class A common stockSEC Table I · non-derivative	IndirectHeld by COVAXX PML SPV 3 LP	1,464,578	Last balance in matching sequence After 2023-09-08 transaction · row 14 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 9 · 2023-09-07 · Sale · Disposed 3,413 · Balance 1,468,795 F8: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F5: Held by COVAXX PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Row 14 · 2023-09-08 · Sale · Disposed 4,217 · Balance 1,464,578 F9: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F5: Held by COVAXX PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.
Class A common stockSEC Table I · non-derivative	IndirectHeld by Prime Movers Growth Fund 1 LP	3,594,122	Last balance in matching sequence After 2023-09-08 transaction · row 15 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 2 source rows Row 10 · 2023-09-07 · Sale · Disposed 8,378 · Balance 3,604,471 F8: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F6: Held by Prime Movers Growth Fund 1 LP ("PMG"). Prime Movers Growth GP I LLC ("PMG GP") is the general partner of PMG. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Row 15 · 2023-09-08 · Sale · Disposed 10,349 · Balance 3,594,122 F9: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F6: Held by Prime Movers Growth Fund 1 LP ("PMG"). Prime Movers Growth GP I LLC ("PMG GP") is the general partner of PMG. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.
Class A common stockSEC Table I · non-derivative	IndirectHeld by COVAXX PML SPV 1 LP	2,053,079	Reported balance After 2023-09-08 transaction · row 11 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 11 · 2023-09-08 · Sale · Disposed 5,911 · Balance 2,053,079 F9: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F2: Held by COVAXX PML SPV 1 LP ("PML SPV 1"). Prime Movers Lab GP I LLC ("PML GP I") is the general partner of Prime Movers Lab Fund I LP ("PML") and PML SPV 1. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.
Class A common stockSEC Table I · non-derivative	Direct	8,713,663	Reported balance After 2023-09-08 transaction · row 12 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 12 · 2023-09-08 · Sale · Disposed 25,089 · Balance 8,713,663 F9: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F3: Held by PML. PML GP I is the general partner of PML. F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.

Filing footnotes · ownership attribution and instrument terms

F1: The price of $1.8823 per share represents a weighted average of purchase prices ranging from $1.85 to $1.94 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.

F2: Held by COVAXX PML SPV 1 LP ("PML SPV 1"). Prime Movers Lab GP I LLC ("PML GP I") is the general partner of Prime Movers Lab Fund I LP ("PML") and PML SPV 1.

F3: Held by PML. PML GP I is the general partner of PML.

F4: Held by COVAXX PML SPV 2 LP ("PML SPV 2"). Prime Movers Lab GP II LLC ("PML GP II") is the general partner of PML SPV 2.

F5: Held by COVAXX PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3.

F6: Held by Prime Movers Growth Fund 1 LP ("PMG"). Prime Movers Growth GP I LLC ("PMG GP") is the general partner of PMG.

F7: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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.

F8: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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.

F9: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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.

Transaction history

JSON API

Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction date	Company	Activity / security	Shares / units	Reported price	Reported value	Details
September 26, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	1,327	$1.91	$2,538.15	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 15 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund I LP Disclosed balance after: 4,679 F9 · 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. F5 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 26, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	3,332	$1.91	$6,373.12	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 14 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 3 LP Disclosed balance after: 11,745 F9 · 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. F4 · ownership.nature: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6 · ownership.nature: 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. Read SEC document
September 26, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	1,344	$1.91	$2,570.67	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 13 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 2 LP Disclosed balance after: 4,734 F9 · 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. F3 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 26, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	6,819	$1.91	$13,042.70	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 12 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 1 LP Disclosed balance after: 24,034 F9 · 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. F2 · ownership.nature: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6 · ownership.nature: 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. Read SEC document
September 26, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	17,202	$1.91	$32,902.27	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 11 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 60,635 F9 · 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. F1 · ownership.direct: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6 · ownership.direct: 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. Read SEC document
September 25, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	2,412	$2.04	$4,931.33	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 10 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund I LP Disclosed balance after: 6,006 F8 · 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. F5 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 25, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	6,056	$2.04	$12,381.49	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 9 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 3 LP Disclosed balance after: 15,077 F8 · 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. F4 · ownership.nature: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6 · ownership.nature: 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. Read SEC document
September 25, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	2,442	$2.04	$4,992.67	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 8 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 2 LP Disclosed balance after: 6,078 F8 · 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. F3 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 25, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	12,392	$2.04	$25,335.44	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 7 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 1 LP Disclosed balance after: 30,853 F8 · 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. F2 · ownership.nature: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6 · ownership.nature: 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. Read SEC document
September 25, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	31,261	$2.04	$63,913.11	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 6 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 77,837 F8 · 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. F1 · ownership.direct: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6 · ownership.direct: 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. Read SEC document
September 22, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	1,048	$2.39	$2,500.74	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 5 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund I LP Disclosed balance after: 8,418 F7 · price: 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. F5 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 22, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	2,630	$2.39	$6,275.71	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 4 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 3 LP Disclosed balance after: 21,133 F7 · price: 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. F4 · ownership.nature: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6 · ownership.nature: 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. Read SEC document
September 22, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	1,060	$2.39	$2,529.37	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 3 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 2 LP Disclosed balance after: 8,520 F7 · price: 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. F3 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 22, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	5,381	$2.39	$12,840.14	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 2 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 1 LP Disclosed balance after: 43,245 F7 · price: 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. F2 · ownership.nature: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6 · ownership.nature: 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. Read SEC document
September 22, 2023 Filed Sep 26, 2023 18:18 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	13,574	$2.39	$32,390.28	Disclosure SEC source: 0001062993-23-018503 · form4.xml · nonDerivative · entry 1 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 109,098 F7 · price: 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. F1 · ownership.direct: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6 · ownership.direct: 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. Read SEC document
September 14, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	6,255	$3.36	$20,990.53	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 15 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund I LP Disclosed balance after: 9,466 F9 · price: The price of $3.3558 per share represents a weighted average of purchase prices ranging from $3.10 to $4.23 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. F5 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 14, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	15,702	$3.36	$52,692.77	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 14 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 3 LP Disclosed balance after: 23,763 F9 · price: The price of $3.3558 per share represents a weighted average of purchase prices ranging from $3.10 to $4.23 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. F4 · ownership.nature: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6 · ownership.nature: 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. Read SEC document
September 14, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	6,331	$3.36	$21,245.57	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 13 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 2 LP Disclosed balance after: 9,580 F9 · price: The price of $3.3558 per share represents a weighted average of purchase prices ranging from $3.10 to $4.23 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. F3 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 14, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	32,129	$3.36	$107,818.50	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 12 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 1 LP Disclosed balance after: 48,626 F9 · price: The price of $3.3558 per share represents a weighted average of purchase prices ranging from $3.10 to $4.23 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. F2 · ownership.nature: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6 · ownership.nature: 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. Read SEC document
September 14, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	81,055	$3.36	$272,004.37	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 11 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 122,672 F9 · price: The price of $3.3558 per share represents a weighted average of purchase prices ranging from $3.10 to $4.23 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. F1 · ownership.direct: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6 · ownership.direct: 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. Read SEC document
September 13, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	1,438	$4.51	$6,488.98	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 10 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund I LP Disclosed balance after: 15,721 F8 · price: The price of $4.5125 per share represents a weighted average of purchase prices ranging from $4.05 to $5.00 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. F5 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 13, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	3,610	$4.51	$16,290.13	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 9 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 3 LP Disclosed balance after: 39,465 F8 · price: The price of $4.5125 per share represents a weighted average of purchase prices ranging from $4.05 to $5.00 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. F4 · ownership.nature: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6 · ownership.nature: 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. Read SEC document
September 13, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	1,456	$4.51	$6,570.20	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 8 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 2 LP Disclosed balance after: 15,911 F8 · price: The price of $4.5125 per share represents a weighted average of purchase prices ranging from $4.05 to $5.00 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. F3 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 13, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	7,387	$4.51	$33,333.84	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 7 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 1 LP Disclosed balance after: 80,755 F8 · price: The price of $4.5125 per share represents a weighted average of purchase prices ranging from $4.05 to $5.00 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. F2 · ownership.nature: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6 · ownership.nature: 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. Read SEC document
September 13, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	18,637	$4.51	$84,099.46	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 6 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 203,727 F8 · price: The price of $4.5125 per share represents a weighted average of purchase prices ranging from $4.05 to $5.00 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. F1 · ownership.direct: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6 · ownership.direct: 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. Read SEC document
September 12, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	88	$5.19	$456.59	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 5 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund I LP Disclosed balance after: 17,159 F7 · price: The price of $5.1885 per share represents a weighted average of purchase prices ranging from $4.74 to $5.45 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. F5 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 12, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	220	$5.19	$1,141.47	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 4 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 3 LP Disclosed balance after: 43,075 F7 · price: The price of $5.1885 per share represents a weighted average of purchase prices ranging from $4.74 to $5.45 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. F4 · ownership.nature: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6 · ownership.nature: 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. Read SEC document
September 12, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	89	$5.19	$461.78	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 3 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 2 LP Disclosed balance after: 17,367 F7 · price: The price of $5.1885 per share represents a weighted average of purchase prices ranging from $4.74 to $5.45 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. F3 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 12, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	450	$5.19	$2,334.83	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 2 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 1 LP Disclosed balance after: 88,142 F7 · price: The price of $5.1885 per share represents a weighted average of purchase prices ranging from $4.74 to $5.45 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. F2 · ownership.nature: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6 · ownership.nature: 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. Read SEC document
September 12, 2023 Filed Sep 14, 2023 18:17 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	1,136	$5.19	$5,894.14	Disclosure SEC source: 0001062993-23-018036 · form4.xml · nonDerivative · entry 1 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 222,364 F7 · price: The price of $5.1885 per share represents a weighted average of purchase prices ranging from $4.74 to $5.45 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. F1 · ownership.direct: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6 · ownership.direct: 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. Read SEC document
September 11, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	349	$5.57	$1,943.83	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 15 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund I LP Disclosed balance after: 17,247 F9 · price: The price of $5.5697 per share represents a weighted average of purchase prices ranging from $5.271 to $5.81 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. F5 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 11, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	877	$5.57	$4,884.63	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 14 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 3 LP Disclosed balance after: 43,295 F9 · price: The price of $5.5697 per share represents a weighted average of purchase prices ranging from $5.271 to $5.81 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. F4 · ownership.nature: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6 · ownership.nature: 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. Read SEC document
September 11, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	354	$5.57	$1,971.67	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 13 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 2 LP Disclosed balance after: 17,456 F9 · price: The price of $5.5697 per share represents a weighted average of purchase prices ranging from $5.271 to $5.81 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. F3 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 11, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	1,794	$5.57	$9,992.04	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 12 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 1 LP Disclosed balance after: 88,592 F9 · price: The price of $5.5697 per share represents a weighted average of purchase prices ranging from $5.271 to $5.81 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. F2 · ownership.nature: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6 · ownership.nature: 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. Read SEC document
September 11, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	4,526	$5.57	$25,208.46	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 11 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 223,500 F9 · price: The price of $5.5697 per share represents a weighted average of purchase prices ranging from $5.271 to $5.81 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. F1 · ownership.direct: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6 · ownership.direct: 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. Read SEC document
September 08, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A common stock	10,349	$1.67	$17,282.83	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 15 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund 1 LP Disclosed balance after: 3,594,122 F9 · price: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F6 · ownership.nature: Held by Prime Movers Growth Fund 1 LP ("PMG"). Prime Movers Growth GP I LLC ("PMG GP") is the general partner of PMG. F7 · ownership.nature: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document
September 08, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A common stock	4,217	$1.67	$7,042.39	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 14 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by COVAXX PML SPV 3 LP Disclosed balance after: 1,464,578 F9 · price: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F5 · ownership.nature: Held by COVAXX PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F7 · ownership.nature: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document
September 08, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A Common Stock	2,395	$1.67	$3,999.65	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 13 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by COVAXX PML SPV 2 LP Disclosed balance after: 831,658 F9 · price: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F4 · ownership.nature: Held by COVAXX PML SPV 2 LP ("PML SPV 2"). Prime Movers Lab GP II LLC ("PML GP II") is the general partner of PML SPV 2. F7 · ownership.nature: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document
September 08, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A common stock	25,089	$1.67	$41,898.63	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 12 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,713,663 F9 · price: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F3 · ownership.direct: Held by PML. PML GP I is the general partner of PML. F7 · ownership.direct: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document
September 08, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A common stock	5,911	$1.67	$9,871.37	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 11 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by COVAXX PML SPV 1 LP Disclosed balance after: 2,053,079 F9 · price: The price of $1.6700 per share represents a weighted average of purchase prices ranging from $1.60 to $1.82 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. F2 · ownership.nature: Held by COVAXX PML SPV 1 LP ("PML SPV 1"). Prime Movers Lab GP I LLC ("PML GP I") is the general partner of Prime Movers Lab Fund I LP ("PML") and PML SPV 1. F7 · ownership.nature: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document
September 08, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	484	$5.81	$2,814.22	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 10 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund I LP Disclosed balance after: 17,596 F8 · price: The price of $5.8145 per share represents a weighted average of purchase prices ranging from $5.445 to $6.558 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. F5 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 08, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	1,215	$5.81	$7,064.62	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 9 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 3 LP Disclosed balance after: 44,172 F8 · price: The price of $5.8145 per share represents a weighted average of purchase prices ranging from $5.445 to $6.558 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. F4 · ownership.nature: Held by Momentus PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F6 · ownership.nature: 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. Read SEC document
September 08, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A Common Stock	490	$5.81	$2,849.11	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 8 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 2 LP Disclosed balance after: 17,810 F8 · price: The price of $5.8145 per share represents a weighted average of purchase prices ranging from $5.445 to $6.558 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. F3 · ownership.nature: 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. F6 · ownership.nature: 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. Read SEC document
September 08, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	2,485	$5.81	$14,449.03	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 7 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Momentus PML SPV 1 LP Disclosed balance after: 90,386 F8 · price: The price of $5.8145 per share represents a weighted average of purchase prices ranging from $5.445 to $6.558 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. F2 · ownership.nature: Held by Momentus PML SPV 1 LP ("PML SPV 1"). PML GP is the general partner of PML SPV 1. F6 · ownership.nature: 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. Read SEC document
September 08, 2023 Filed Sep 11, 2023 18:05 UTC	Momentus Inc. MNTS · Entity 6834	SaleClass A common stock	6,269	$5.81	$36,451.10	Disclosure SEC source: 0001062993-23-017915 · form4.xml · nonDerivative · entry 6 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Prime Movers Growth Fund I LP · CIK 0001838981 · 10% owner Momentus PML SPV 1 LP · CIK 0001780632 · 10% owner MOMENTUS PML SPV 2 LP · CIK 0001819327 · 10% owner Momentus PML SPV 3 LP · CIK 0001853076 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 228,026 F8 · price: The price of $5.8145 per share represents a weighted average of purchase prices ranging from $5.445 to $6.558 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. F1 · ownership.direct: Held by Prime Movers Lab Fund I LP ("PML"). Prime Movers Lab GP I LLC ("PML GP") is the general partner of PML. F6 · ownership.direct: 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. Read SEC document
September 07, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A common stock	8,378	$1.79	$14,973.16	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 10 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Prime Movers Growth Fund 1 LP Disclosed balance after: 3,604,471 F8 · price: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F6 · ownership.nature: Held by Prime Movers Growth Fund 1 LP ("PMG"). Prime Movers Growth GP I LLC ("PMG GP") is the general partner of PMG. F7 · ownership.nature: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document
September 07, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A common stock	3,413	$1.79	$6,099.71	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 9 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by COVAXX PML SPV 3 LP Disclosed balance after: 1,468,795 F8 · price: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F5 · ownership.nature: Held by COVAXX PML SPV 3 LP ("PML SPV 3"). PML GP II is the general partner of PML SPV 3. F7 · ownership.nature: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document
September 07, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A Common Stock	1,939	$1.79	$3,465.38	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 8 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by COVAXX PML SPV 2 LP Disclosed balance after: 834,053 F8 · price: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F4 · ownership.nature: Held by COVAXX PML SPV 2 LP ("PML SPV 2"). Prime Movers Lab GP II LLC ("PML GP II") is the general partner of PML SPV 2. F7 · ownership.nature: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document
September 07, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A Common Stock	20,312	$1.79	$36,301.61	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 7 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,738,752 F8 · price: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F3 · ownership.direct: Held by PML. PML GP I is the general partner of PML. F7 · ownership.direct: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document
September 07, 2023 Filed Sep 8, 2023 18:05 UTC	Vaxxinity, Inc. VAXX · Entity 91688	SaleClass A Common Stock	4,786	$1.79	$8,553.54	Disclosure SEC source: 0001062993-23-017880 · form4.xml · nonDerivative · entry 6 Prime Movers Lab Fund I LP · CIK 0001751631 · 10% owner Sloss Dakin · CIK 0001875411 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Held by COVAXX PML SPV 1 LP Disclosed balance after: 2,058,990 F8 · price: The price of $1.7872 per share represents a weighted average of purchase prices ranging from $1.75 to $1.86 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. F2 · ownership.nature: Held by COVAXX PML SPV 1 LP ("PML SPV 1"). Prime Movers Lab GP I LLC ("PML GP I") is the general partner of Prime Movers Lab Fund I LP ("PML") and PML SPV 1. F7 · ownership.nature: Dakin Sloss is the manager of PML GP I, PML GP II and PMG GP, and may be deemed to beneficially own the securities held by PML, PMG, PML SPV 1, PML SPV 2 and PML SPV 3. 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. Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.