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MNTS · Momentus Inc.
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MNTS Momentus (MNTS) Insider Trading, Ownership & Congress Trades

Aerospace & Defense · Guided missiles & space vehicles & parts · CIK 0001781162
Quote by TradingView
SEC filings
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
47
13F, latest reported quarter
Conversions, 180 days
5
Codes C/M, not in net · $0 priced

What the filings say about MNTS

Insiders, 180 days
+$35.1K net bought
2 buyers

Momentus insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Momentus Inc. insiders bought a net $35.1K of stock across 95 Form 4 purchases and sales, with 2 insiders buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Hadfield Chris
Director
BUY
2026-05-26 SECtraded 2026-05-21
2,000
$14.4K
-88.9%
Context
  • 1 earlier Form 4 trade (code P or S) here by this insider (1 buy), the last on May 15, 2026.
  • The trade is 57.1% of the 3,500 shares held after it.
  • 1 other insider bought within 30 days.
  • 47 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Hadfield Chris bought about $14.4K of MNTS on May 21, 2026, the largest insider purchase at the company on our record; 1 other insider bought within 30 days and 47 funds added in the latest 13F quarter.
Kabot Brian
Director
BUY
2026-05-22 SECtraded 2026-05-20
250
$1.4K
-86.0%
Context
  • 15 earlier Form 4 trades (code P or S) here by this insider (2 buys, 13 sales), the last on May 19, 2026.
  • -14.6% median (-14.6% mean) 90-day return after 2 previous buys.
  • The trade is 5.3% of the 4,708 shares held after it.
  • 1 other insider bought within 30 days.
  • 47 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Kabot Brian bought about $1.4K of MNTS on May 20, 2026; 1 other insider bought within 30 days and 47 funds added in the latest 13F quarter.
Kabot Brian
Director
BUY
2026-05-20 SECtraded 2026-05-19
250
$1.4K
-71.3%
Context
  • 14 earlier Form 4 trades (code P or S) here by this insider (1 buy, 13 sales), the last on May 15, 2026.
  • The trade is 5.6% of the 4,458 shares held after it.
  • 1 other insider bought within 30 days.
  • 47 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Kabot Brian bought about $1.4K of MNTS on May 19, 2026; 1 other insider bought within 30 days and 47 funds added in the latest 13F quarter.
Kabot Brian
Director
BUY
2026-05-20 SECtraded 2026-05-15
1,850
$10.0K
-71.3%
Context
  • 13 earlier Form 4 trades (code P or S) here by this insider (13 sales), the last on Dec 1, 2023.
  • The trade is 56.1% of the 3,295 shares held after it.
  • 1 other insider bought within 30 days.
  • 47 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Kabot Brian bought about $10.0K of MNTS on May 15, 2026, the largest insider purchase at the company on our record; 1 other insider bought within 30 days and 47 funds added in the latest 13F quarter.
Hadfield Chris
Director
BUY
2026-05-18 SECtraded 2026-05-15
1,500
$8.0K
-62.7%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 100.0% of the 1,500 shares held after it.
  • 1 other insider bought within 30 days.
  • 47 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Hadfield Chris bought about $8.0K of MNTS on May 15, 2026, the largest insider purchase at the company on our record; 1 other insider bought within 30 days and 47 funds added in the latest 13F quarter.
95 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net +$35.1K over 180 days
more than 88% of Aerospace & Defense
Congress
no House purchase disclosed in the last 12 months
Funds
47 funds bought in last quarter
below 75% of Aerospace & Defense
Revenue
-47.5% year over year
below 92% of Aerospace & Defense
Margin
-2744.9% net margin
below 98% of Aerospace & Defense
Buybacks
no share repurchases reported
Short interest
8.7% of the float short (float per yahoo 2026-10-26) · 2.8 days to cover · settled 2026-09-30
more than 75% of Aerospace & Defense
What changed in the last 30 days
Oct 28Insider buying stopped: no purchases in 90 days after 5 in the prior 90
Why it matters
The absence is the signal: 5 purchases in one 90-day window and none in the next is a change of behaviour, not a filing.

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The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-90.5%12M
-91%-60%-29%+2%2025-102025-122026-022026-042026-062026-082026-10 2026-05-21 · Hadfield Chris bought $14.4K2026-05-15 · Kabot Brian bought $10.0K2026-05-15 · Hadfield Chris bought $8.0K2026-05-19 · Kabot Brian bought $1.4K2026-05-20 · Kabot Brian bought $1.4K
Insider buy
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns MNTS: institutional holders (13F)

13F holdings, latest reported quarter
Davidson Kempner Capital Management LP
850,000 sh
$5.7M
BlackRock, Inc.
351,504 sh
$2.4M
CITADEL ADVISORS LLC
294,365 sh
$2.0M
Weiss Asset Management LP
179,416 sh
$1.2M
Jefferies Financial Group Inc.
146,000 sh
$981.1K

Congress trades in MNTS

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

MNTS planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

MNTS mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Procure Space ETF
$210.9K position · as of 2026-07-31
0.0%
VANGUARD EXTENDED MARKET INDEX FUND
$778.0K position · as of 2026-06-30
0.0%
Victory Extended Market Index Fund
$4.8K position · as of 2026-07-31
0.0%
Fidelity Extended Market Index Fund
$155.6K position · as of 2026-05-31
0.0%
Fidelity Series Total Market Index Fund
$30.0K position · as of 2026-05-31
0.0%
Fidelity Total Market Index Fund
$12.9K position · as of 2026-05-31
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders are net buyers of their own stock.
The record shows a net $35.1K bought by insiders over 180 days, 47 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
TDGKTOSJOBYRKLBNOCACHRNNAIRRDWAVAVLUNRGRMN

MNTS financials

Revenue growth
-47.5%
XBRL, annual
Net margin
-2744.9%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$3.8M
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
-909.7%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
n/a
capex not filed for the four quarters
Debt to equity
n/a
no debt line filed
Cash flow to debt
n/a
no debt line filed
Return on equity
-66.9%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
-50.3%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on capital employed
-57.3%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
n/a
no debt line filed
FCF yield
n/a
capex not filed for the four quarters
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$1.1M$2.1M$3.1M$299.0K
Gross profit$1.1M$2.0M$2.2M$273.0K
Operating income-$27.3M-$29.7M-$68.2M-$91.3M
Net income-$29.8M-$34.9M-$68.9M-$95.4M
EPS (diluted)-49.10-414.01-323.96-58.53
Operating cash flow-$23.3M-$16.6M-$61.8M-$87.9M
Cash$12.8M$1.6M$2.1M$61.1M
Buybacksn/a$0$10.0M$0
SEC XBRL, fiscal years, as known on 2026-10-28

MNTS Stock Sonar score 5/7 axes

Find similar shapesCompare

MNTS ranks highest on insider conviction (90th percentile) and risk and compliance (37th), and lowest on growth (8th), among Aerospace & Defense peers.

ProfitGrowthInsidersInstitutionsRisk
Profitability
16
Inputs
  • Return on equity-66.9% · 20 pct, sector of 41
  • Return on assets-50.3% · 15 pct, sector of 48
  • Return on invested capitaltax provision or pre-tax income not filed for the four quarters
  • Return on capital employed-57.3% · 13 pct, sector of 40
Growth
8
Inputs
  • Revenue growth, YoY-47.5% · 8 pct, sector of 51
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
90
Inputs
  • Net Form 4 buying (codes P and S), 180d$35K · 88 pct, sector of 41
  • Insider buyers, 180d2 · 92 pct, sector of 41
Institutional and government
25
Inputs
  • Funds adding, latest quarter47 · 25 pct, sector of 53
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
37
Inputs
  • Short interest, % of float+8.7% · 37 pct, sector of 61
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-K+18.0% · 37 pct, sector of 36
2 not measured: Financial health, US patents
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

MNTS filings, in plain words

Are Momentus insiders buying or selling MNTS?

In the 180 days to 2026-10-28, Momentus insiders were net buyers, a net $35.1K across purchases and sales reported on Form 4, by 2 buyers.

Read the full summary

In the 180 days to 2026-10-28, Momentus insiders were net buyers of MNTS, a net $35.1K across purchases and sales reported on Form 4 by 2 buyers. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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