Transaction · 0002011286-26-000020

Mullen Sean Thomas

Mullen Sean Thomas, CGO, reported a transaction classified as exercise at Amentum Holdings, Inc. involving 9072.000000 shares for an estimated $0.00. Reported holdings after the transaction were 9073.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCGO
AMTMAmentum Holdings, Inc.
Trade date
May 06, 2026
Filing date
May 07, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded9.07k$0.00 per share
Holdings after9.07kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

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.

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 +2.7%1w ago +2.7%1d ago +0.0%
Returns since7d +0.0%30d -6.2%90d -8.8%180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0002011286-26-000020
Restricted Stock Units
Transaction date
May 06, 2026
Filed May 07, 2026, 08:31 PM · 1d delay
Shares
9,072 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
9,073 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership Large Holdings Reduction
Filing-only score

-6 points

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
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

Chief Growth Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Represents distribution of AMTM common stock upon vesting of restricted stock units.

  2. F2

    Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock.

  3. F3

    Each restricted stock unit represents a contingent right to receive one share of AMTM common stock.

  4. F4

    One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant.

Original filing · 0002011286-26-000020
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