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© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Companies/Amentum Holdings, Inc.

Amentum Holdings, Inc.

66 insider trades tracked

AMTM

Insider trades

66

Bought (open market)

$0

Sold (open market)

$0

Unique insiders

16

Recent insider trades

Most recent Form 4 filings for Amentum Holdings, Inc..

Mullen Sean Thomastax-withheld2,762 shares ofAMTMat $24.89$69KMay 6 · filed May 7Details
Mullen Sean Thomasexercised9,072 shares ofAMTMMay 6 · filed May 7Details
Bruning Jill Ltax-withheld2,731 shares ofAMTMat $24.89$68KMay 6 · filed May 7

Insiders at this company

Executives and directors who have filed Form 4s.

Arnette Stephen A17 trades
Heller John E.7 trades
Mullen Sean Thomas7 trades
Bruning Jill L6 trades
DEMETRIOU STEVEN J.5 trades
Johnson Travis Barton5 trades
St. Mary Michele T4 trades
Burton Darren3 trades

Explore insider screeners

Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician-Insider Overlap

Bruning Jill Lexercised9,072 shares ofAMTMMay 6 · filed May 7Details

Arnette Stephen Atax-withheld3,314 shares ofAMTMat $24.89$82KMay 6 · filed May 7Details

Arnette Stephen Aexercised13,609 shares ofAMTMMay 6 · filed May 7Details

Johnson Travis Bartontax-withheld4,097 shares ofAMTMat $24.89$102KMay 6 · filed May 7Details

Johnson Travis Bartonexercised13,609 shares ofAMTMMay 6 · filed May 7Details

Heller John E.tax-withheld8,184 shares ofAMTMat $24.89$204KMay 6 · filed May 7Details

Heller John E.exercised18,145 shares ofAMTMMay 6 · filed May 7Details

Bruning Jill Lgifted30,000 shares ofAMTMat $0Mar 4 · filed Mar 5Details

Arnette Stephen Atax-withheld750 shares ofAMTMat $30.7$23KMar 2 · filed Mar 4Details

Arnette Stephen Aexercised2,808 shares ofAMTMMar 2 · filed Mar 4Details

St. Mary Michele Ttax-withheld2,308 shares ofAMTMat $30.05$69KFeb 17 · filed Feb 18Details

St. Mary Michele Texercised7,080 shares ofAMTMFeb 17 · filed Feb 18Details

Brooks Vincent Kgranted5,062 shares ofAMTMat $0Feb 6 · filed Feb 10Details

Brooks Vincent Kexercised11,564 shares ofAMTMFeb 6 · filed Feb 10Details

Loughran Barbaragranted5,062 shares ofAMTMat $0Feb 6 · filed Feb 10Details

Vollmer John C.granted5,062 shares ofAMTMat $0Feb 6 · filed Feb 10Details

Vollmer John C.exercised11,564 shares ofAMTMFeb 6 · filed Feb 10Details

IRELAND SUSAN LESLIEgranted5,062 shares ofAMTMat $0Feb 6 · filed Feb 10Details

Rowland Sandra E.granted5,062 shares ofAMTMat $0Feb 6 · filed Feb 10Details

Rowland Sandra E.exercised11,564 shares ofAMTMFeb 6 · filed Feb 10Details

Thompson Christopher M.T.granted5,062 shares ofAMTMat $0Feb 6 · filed Feb 10Details

EBERHART RALPH Egranted5,062 shares ofAMTMat $0Feb 6 · filed Feb 10Details

EBERHART RALPH Eexercised11,564 shares ofAMTMFeb 6 · filed Feb 10Details

Heller John E.tax-withheld19,768 shares ofAMTMat $35.71$706KJan 28 · filed Jan 29Details

Heller John E.exercised51,979 shares ofAMTMJan 28 · filed Jan 29Details

Mullen Sean Thomastax-withheld4,194 shares ofAMTMat $28.67$120KDec 17, 2025 · filed Dec 19, 2025Details

Mullen Sean Thomasexercised9,298 shares ofAMTMDec 17, 2025 · filed Dec 19, 2025Details

View all trades for AMTM →

EBERHART RALPH E

2 trades

Rowland Sandra E.2 trades

Vollmer John C.2 trades

Brooks Vincent K2 trades

JACOBS SOLUTIONS INC.1 trades

Thompson Christopher M.T.1 trades

IRELAND SUSAN LESLIE1 trades

Loughran Barbara1 trades