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Who

Michele T. St. Mary

Chief Legal Officer & GC

Company insider

Files Form 4 as: Chief Legal Officer & GC, Amentum Holdings.

In numbers

Trades disclosed
8
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
1
Companies where not an officer
0
First trade
17 Mar 2025
Last trade
17 Feb 2026
Last filed
18 Feb 2026

Companies traded

Where they are an officer
AMTM Amentum HoldingsOfficer · Business Services · last 17 Feb 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
17 Feb 2026filed 18 Feb 2026AMTM Amentum HoldingsBusiness ServicesSEC FORM 4 Code M—7,080filing
17 Feb 2026filed 18 Feb 2026AMTM Amentum HoldingsBusiness ServicesSEC FORM 4 Code F$69K2,308 at $30.05filing
17 Feb 2026filed 18 Feb 2026AMTM Amentum Holdingsoption or derivative · Business ServicesSEC FORM 4 Code M—7,080 at $0.00filing
17 Feb 2026filed 18 Feb 2026AMTM Amentum Holdingsoption or derivative · Business ServicesSEC FORM 4 Code M—7,080 at $0.00filing
17 Feb 2026filed 18 Feb 2026AMTM Amentum HoldingsBusiness ServicesSEC FORM 4 Code M—7,080filing
17 Feb 2026filed 18 Feb 2026AMTM Amentum HoldingsBusiness ServicesSEC FORM 4 Code F$69K2,308 at $30.05filing
17 Nov 2025filed 19 Nov 2025AMTM Amentum HoldingsBusiness ServicesSEC FORM 4 Code A—22,271 at $0.00filing
17 Mar 2025filed 19 Mar 2025AMTM Amentum Holdingsoption or derivative · Business ServicesSEC FORM 4 Code A—21,242 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Christopher M.T. ThompsonDirector · Director at Amentum Holdings, filing Form 4 there in the last year
Jill L. BruningChief Technology Officer · Chief Technology Officer at Amentum Holdings, filing Form 4 there in the last year
John E. HellerChief Executive Officer · Chief Executive Officer at Amentum Holdings, filing Form 4 there in the last year
Travis Barton JohnsonChief Financial Officer · Chief Financial Officer at Amentum Holdings, filing Form 4 there in the last year
Stephen A. ArnetteChief Operating Officer · Chief Operating Officer at Amentum Holdings, filing Form 4 there in the last year