Form 4 for MNTS Momentus Inc.
Accepted 2026-05-20 19:59:45 ET · period of report 2026-05-18 · accession 0001837938-26-000003 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-05-20 19:59 | 2026-05-18 | MNTS | Hadfield Chris | Dir | M - OptEx | $0.00 | +913 | 1,884 | +94% | $0 |
| D | 2026-05-20 19:59 | 2026-05-18 | MNTS | Hadfield Chris | Dir | A - Grant | $0.00 | +6,039 | 6,039 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-05-18 | M | A | 913 | $0.00 | 1,884 | D | — | — | |
| 2 | Derivative | Restricted Stock Units | 2026-05-18 | A | A | 6,039 | $0.00 | 6,039 | D | — · — to — | 6,039 Class A Common Stock | (F1) Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus Inc. Class A Common Stock. (F2) The RSUs will vest in full on the earlier to occur of May 18, 2027 or the day of the 2027 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date. (F2) The RSUs will vest in full on the earlier to occur of May 18, 2027 or the day of the 2027 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date. |