Momentus
- Notable investors
- DAVIDSON KEMPNER CAPITAL MANAGEMENT LP, CITADEL ADVISORS LLC, ARMISTICE CAPITAL, LLC disclosed holders above 5%, from SEC filings
No chief executive on record here. We show a name only where we can point at the page it came from.
$4.71last price
Jul 24 · 20:00 UTC
-33.2%30 days
falling
-78.0%since Jul 25, 2025
252 sessions held
$47Mmarket value
10M shares, 10-Q May 13, 2026
3holders in SEC 5% filings
4 filings
$47M market value
$4.71 a share on Jul 24, 2026, multiplied by 10 million shares from their 10-Q dated May 13, 2026.
- Price
- $4.71 on Jul 24, 2026
- Shares outstanding
- 10.0M as of May 13, 2026
- Source of the count
- 10-Q
- Product
- $47M
Price, 252 sessions
Who holds a disclosed stake
| Holder | Filings | Most recent | Form |
|---|---|---|---|
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | 2 | May 28, 2026 | SCHEDULE 13G |
| CITADEL ADVISORS LLC | 1 | Apr 22, 2026 | SCHEDULE 13G |
| ARMISTICE CAPITAL, LLC | 1 | Aug 14, 2025 | SCHEDULE 13G/A |
Disclosure is required above 5% and again on a material change, so a holder appearing more than once has amended its position rather than necessarily added to it.
Filings that report a transaction
| Filed | Form | What it is |
|---|---|---|
| Jun 18, 2026 | 8-K | Material event 8.01,9.01 |
| Jun 18, 2026 | 424B5 | Offering priced |
| Jun 15, 2026 | 8-K | Material event 1.01,7.01,9.01 |
| Jun 15, 2026 | 424B5 | Offering priced |
| May 29, 2026 | 8-K | Material event 1.01,3.02,7.01,9.01 |
| May 26, 2026 | 4 | Insider transaction |
| May 26, 2026 | S-3 | Shelf registration |
| May 22, 2026 | 4 | Insider transaction |
| May 22, 2026 | 8-K | Material event 5.07,9.01 |
| May 21, 2026 | 4 | Insider transaction |
| May 21, 2026 | 4 | Insider transaction |
| May 21, 2026 | 4 | Insider transaction |
| May 21, 2026 | 4 | Insider transaction |
| May 20, 2026 | 4 | Insider transaction |
| May 20, 2026 | 4 | Insider transaction |
| May 20, 2026 | 4 | Insider transaction |
| May 20, 2026 | 4 | Insider transaction |
| May 20, 2026 | 4 | Insider transaction |
| May 20, 2026 | 4 | Insider transaction |
| May 20, 2026 | 4 | Insider transaction |
Twenty most recent of 26.
Patent activity
The record holds 12 filings, 2 in the spacecraft class. A filing dates the work, not its arrival: a grant is usually the same invention two or three years older. Full patent desk →
| Filed | Title | Class |
|---|---|---|
| Nov 17, 2021 | COMBINED COMMUNICATION AND RANGING FUNCTIONALITY ON A SPACECRAFT | 342/354 |
| Sep 3, 2020 | Shared Thermal Capacitor in a Multi-Thruster System | · |
| Sep 3, 2020 | Thermal Capacitor Block with Integrated Fluidic Channels | · |
| Mar 12, 2020 | SPACECRAFT STRUCTURES AND MECHANISMS | 244/169 |
| Mar 12, 2020 | SPACECRAFT PROPULSION DEVICES AND SYSTEMS WITH MICROWAVE EXCITATION | 60/203.1 |
| Mar 5, 2020 | SPACECRAFT THERMAL AND FLUID MANAGEMENT SYSTEMS | 244/171.1 |
| Jan 27, 2020 | SPACECRAFT STRUCTURE CONFIGURED TO STORE FROZEN PROPELLANT | 244/172.2 space |
| Jan 27, 2020 | SPACECRAFT PROPULSION DEVICES AND SYSTEMS WITH MICROWAVE EXCITATION | 244/171 space |
| Dec 31, 2019 | Space Mission Energy Management Architecture | · |
| Dec 31, 2019 | Systems and Methods for Adjusting the Orbit of a Payload | · |
| Oct 25, 2019 | Launch and Flight Configurations for Transfer Space Vehicles | · |
| Mar 15, 2019 | SYSTEMS AND METHODS FOR MICROWAVE ELECTROTHERMAL PROPULSION | 60/203.1 |