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Livermore
Livermore
ZHEN

Momentus Inc.

MNTS
Exchange
Nasdaq
Industry
Guided Missiles & Space Vehicles & Parts
SEC CIK
0001781162

No open-market purchases or sales by Momentus Inc. insiders were filed in the last 90 days; 45 institutions reported holding it in 13F filings for Q2 2026, worth $17.2M in total; no superinvestor holds it.

Holders of 5% or more of MNTS

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Momentus Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of MNTS
HolderLatest formStakeChangeFirst filedLatest filingFiling
Ghiocela Prod Com SRL13G9.00%1.50M sharesNewOct 10, 20241 filingOct 10, 2024SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

6 Schedule 13D and 13G filings on Momentus Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on MNTS
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 14, 20259:03 PM ETArmistice Capital, LLCand 1 other13G/A4.99%209.3K shares−5.00 ppfrom 9.99%Below 5%Jun 30, 2025SEC
May 15, 20253:31 PM ETArmistice Capital, LLCand 1 other13G/A9.99%501.0K shares0.00 ppfrom 9.99%Mar 31, 2025SEC
Feb 14, 20255:52 PM ETArmistice Capital, LLCand 1 other13G/A9.99%179.5K shares–Dec 31, 2024SEC
Oct 10, 20242:08 PM ETGhiocela Prod Com SRL13G9.00%1.50M sharesNewOct 2, 2024SEC
Oct 7, 20248:25 PM ETSBI Securities Co., Ltd.13G/A0.00%7.42K shares−10.70 ppfrom 10.70%Below 5%Sep 30, 2024SEC
Sep 9, 20248:14 PM ETSBI Securities Co., Ltd.13G10.70%1.78M sharesNewAug 30, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Momentus Inc. shares.

No Form 144 notices for Momentus Inc. are on file.