Prime Movers Lab Fund I LP → Momentus Inc. MNTSW

Stake: — Shares: —

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

4 transactions

3 buys · 0 sales · 1 awards/exercises

Issuer Cluster

4 13D/G filings on this issuer

3 other filings besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 1.15

142,465 shares short · +3.7% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-19	SCHWARZ ROBERT E	officer	Award	6,457	—	—
2026-05-19	SCHWARZ ROBERT E	officer	Award	10,635	—	—
2026-05-18	Hadfield Chris	director	Option exercise	913	—	—
2026-05-18	Hadfield Chris	director	Award	6,039	—	—

Other 13D/G Filings on Momentus Inc.

Filed	Form	Filer	Stake	Shares
2026-05-28	SCHEDULE 13G	DAVIDSON KEMPNER CAPITAL MANAGEMENT LP	—	—	view →
2022-02-18	SC	Prime Movers Lab Fund I LP	—	—	view →
2022-02-11	SC	SRC-NI Holdings LLC	—	—	view →

Other Filings by Prime Movers Lab Fund I LP

Filed	Form	Issuer	Stake	Shares
2023-07-06	SC	Heliogen, Inc.	—	—	view →
2022-02-18	SC	Momentus Inc. MNTSW	—	—	view →

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