| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MNTS | Class A Common Stock | Sale | -$736K | -219K | -1.36% | $3.37* | 15.9M | Feb 14, 2022 | Direct | F1, F6, F7, F10 |
| transaction | MNTS | Class A Common Stock | Sale | -$292K | -86.6K | -1.36% | $3.37* | 6.29M | Feb 14, 2022 | Held by Momentus PML SPV 1 LP | F2, F6, F7, F11 |
| transaction | MNTS | Class A Common Stock | Sale | -$46.6K | -13.8K | -1.36% | $3.37* | 1M | Feb 14, 2022 | Held by Momentus PML SPV 2 LP | F3, F6, F7, F11 |
| transaction | MNTS | Class A Common Stock | Sale | -$116K | -34.3K | -1.36% | $3.37* | 2.49M | Feb 14, 2022 | Held by Momentus PML SPV 3 LP | F4, F6, F7, F11 |
| transaction | MNTS | Class A Common Stock | Sale | -$45.8K | -13.6K | -1.36% | $3.37* | 986K | Feb 14, 2022 | Held by Prime Movers Growth Fund I LP | F5, F6, F7 |
| transaction | MNTS | Class A Common Stock | Sale | -$627K | -208K | -1.31% | $3.01* | 15.7M | Feb 15, 2022 | Direct | F1, F6, F8 |
| transaction | MNTS | Class A Common Stock | Sale | -$249K | -82.6K | -1.31% | $3.01* | 6.2M | Feb 15, 2022 | Held by Momentus PML SPV 1 LP | F2, F6, F8, F11 |
| transaction | MNTS | Class A Common Stock | Sale | -$39.7K | -13.2K | -1.31% | $3.01* | 992K | Feb 15, 2022 | Held by Momentus PML SPV 2 LP | F3, F6, F8, F11 |
| transaction | MNTS | Class A Common Stock | Sale | -$98.6K | -32.8K | -1.31% | $3.01* | 2.46M | Feb 15, 2022 | Held by Momentus PML SPV 3 LP | F4, F6, F8, F11 |
| transaction | MNTS | Class A Common Stock | Sale | -$39K | -13K | -1.31% | $3.01* | 973K | Feb 15, 2022 | Held by Prime Movers Growth Fund I LP | F5, F6, F8 |
| transaction | MNTS | Class A Common Stock | Sale | -$1.05M | -389K | -2.48% | $2.69* | 15.3M | Feb 16, 2022 | Direct | F1, F6, F9 |
| transaction | MNTS | Class A Common Stock | Sale | -$415K | -154K | -2.48% | $2.69* | 6.05M | Feb 16, 2022 | Held by Momentus PML SPV 1 LP | F2, F6, F9, F11 |
| transaction | MNTS | Class A Common Stock | Sale | -$66.3K | -24.6K | -2.48% | $2.69* | 967K | Feb 16, 2022 | Held by Momentus PML SPV 2 LP | F3, F6, F9, F11 |
| transaction | MNTS | Class A Common Stock | Sale | -$164K | -61.1K | -2.48% | $2.69* | 2.4M | Feb 16, 2022 | Held by Momentus PML SPV 3 LP | F4, F6, F9, F11 |
| transaction | MNTS | Class A Common Stock | Sale | -$65.1K | -24.2K | -2.48% | $2.69* | 949K | Feb 16, 2022 | Held by Prime Movers Growth Fund I LP | F5, F6, F9 |
| Id | Content |
|---|---|
| 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 $3.3661 per share represents a weighted average of purchase prices ranging from $3.00 to $3.61 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 $3.0093 per share represents a weighted average of purchase prices ranging from $2.96 to $3.12 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 $2.6912 per share represents a weighted average of purchase prices ranging from $2.585 to $2.845 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. |
| F10 | Amount includes 172,863 shares inadvertently omitted from the prior Form 4 due to a clerical error. |
| F11 | This amendment is being filed to correct a technical error that caused the omission of Momentus PML SPV 1 LP, Momentus PML SPV 2 LP, and Momentus PML SPV 3 LP as reporting persons. |