Transaction · 0001483410-26-000005

Thompson Christopher M.T.

Thompson Christopher M.T., DIR, reported a transaction classified as gift at Amentum Holdings, Inc. involving 4250.000000 shares for an estimated $0.00. Reported holdings after the transaction were 5750.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

giftSEC transaction code GDIR
AMTMAmentum Holdings, Inc.
Trade date
Aug 14, 2026
Filing date
Sep 18, 2026
View on SEC Insider profile
Disclosed value$0Shares × reported price
Shares traded4.25k$0.00 per share
Holdings after5.75kIndirect · By Trust
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
1 warning
delayed filingThe filing was reported 35 calendar days after the transaction date.

AMTM price since this filing

Daily closing prices, with the filing date and available return windows
AMTM · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +5.9%1w ago +26.4%1d ago +10.6%
Returns since7d -2.1%30d -0.4%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
gift
Code G
Identifier
0001483410-26-000005
Common Stock
Transaction date
Aug 14, 2026
Filed Sep 18, 2026, 01:35 AM · 35d delay
Shares
4,250 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
5,750 sh
Indirect · By Trust

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Delayed Filing Large Holdings Reduction
Filing-only score

-22 points

Compact filing score computed from stored Form 4 facts. Version v1.

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

How this score is calculated
  • gift-16 points

    transaction_code = G

    Gift transactions are not market activity.
  • delayed_filing-6 points

    reporting_delay_days = 35

    Filing delay exceeds the configured threshold.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Mr. Thompson's filing was late due to an administrative oversight.

  2. F2

    On August 14, 2026, the reporting person transferred an LLC interest representing 4,250 shares of AMTM common stock to an immediate family for no consideration.

Original filing · 0001483410-26-000005
Related transactions

0 other transactions

Same SEC filing
Recent company activity

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