AMENTUM HOLDINGS INC (AMTM) Stock Ownership

NYSE:AMTM • US0239391016

Current stock price

28.01 USD
+0.43 (+1.56%)
Last:

AMTM Ownership information

AMTM Ownership Chart.AMTM Ownership Chart: showing Insider, Institutional ownership and shares available to the public.AMTM Ownership.InsiderInstitutionalPublic



Shares Outstanding243.94M
Float152.18M
Float Short Interest Percentage7.47%
Owners (insider)1.14%
Owners (institutional)67.35%
Owners (insider) change33.44%
Owners (institutional) change-0.04%
AMTM Institutional Ownership HistoryAMTM Institutional Ownership HistoryAMTM Institutional Ownership History Sep 2024 Dec 2024 Mar 2025 Jun 2025 Sep 2025 Dec 2025 Mar 2026 50M 100M 150M 200M
AMTM Historical Insider Transactions ChartAMTM Historical Insider Buy and Sell Transactions ChartAMTM Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 5M 10M
DateNameTypeSharesPriceAmount
Mar 4, 2026Bruning Jill LOther Disposition300000.00$ 0.00
Mar 2, 2026Arnette Stephen AOption Excercise2808$ 0.00
Mar 2, 2026Arnette Stephen AOption Excercise75030.70$ 23,025.00
Feb 6, 2026EBERHART RALPH EOption Excercise11564$ 0.00
Feb 6, 2026EBERHART RALPH EGrant50620.00$ 0.00
Feb 6, 2026Loughran BarbaraGrant50620.00$ 0.00
Feb 6, 2026Thompson Christopher M.T.Grant50620.00$ 0.00
Feb 6, 2026Vollmer John C.Option Excercise11564$ 0.00
Feb 6, 2026Vollmer John C.Grant50620.00$ 0.00
Feb 6, 2026IRELAND SUSAN LESLIEGrant50620.00$ 0.00
Feb 6, 2026Rowland Sandra E.Option Excercise11564$ 0.00
Feb 6, 2026Rowland Sandra E.Grant50620.00$ 0.00
Feb 6, 2026Brooks Vincent KOption Excercise11564$ 0.00
Feb 6, 2026Brooks Vincent KGrant50620.00$ 0.00
Jan 28, 2026Heller John E.Option Excercise51979$ 0.00
Jan 28, 2026Heller John E.Option Excercise1976835.71$ 705,915.28
Dec 17, 2025Mullen Sean ThomasOption Excercise9298$ 0.00
Dec 17, 2025Mullen Sean ThomasOption Excercise419428.67$ 120,241.98
Dec 5, 2025Burton DarrenOption Excercise2721$ 0.00
Dec 5, 2025Burton DarrenOption Excercise139228.88$ 40,200.96
Nov 17, 2025DEMETRIOU STEVEN J.Option Excercise43396$ 0.00
Nov 17, 2025DEMETRIOU STEVEN J.Option Excercise1707721.49$ 366,984.73
Nov 17, 2025DEMETRIOU STEVEN J.Grant1113550.00$ 0.00
Nov 17, 2025Johnson Travis BartonGrant1002200.00$ 0.00
Nov 17, 2025St. Mary Michele TGrant222710.00$ 0.00
Nov 17, 2025Arnette Stephen AOption Excercise1178$ 0.00
Nov 17, 2025Arnette Stephen AOption Excercise28721.49$ 6,167.63
Nov 17, 2025Arnette Stephen AGrant467690.00$ 0.00
Nov 17, 2025Mullen Sean ThomasGrant178170.00$ 0.00
Nov 17, 2025Bruning Jill LGrant178170.00$ 0.00
Nov 17, 2025Burton DarrenGrant222710.00$ 0.00
Nov 17, 2025Heller John E.Grant1558970.00$ 0.00
Nov 15, 2025Arnette Stephen AOption Excercise19088$ 0.00
Nov 15, 2025Arnette Stephen AOption Excercise465122.07$ 102,647.57
Nov 6, 2025Arnette Stephen AOption Excercise12701$ 0.00
Nov 6, 2025Arnette Stephen AOption Excercise309321.79$ 67,396.47
Nov 6, 2025Johnson Travis BartonOption Excercise12097$ 0.00
Nov 6, 2025Johnson Travis BartonOption Excercise364221.79$ 79,359.18
Nov 6, 2025Bruning Jill LOption Excercise4838$ 0.00
Nov 6, 2025Bruning Jill LOption Excercise145721.79$ 31,748.03
Nov 6, 2025Heller John E.Option Excercise39617$ 0.00
Nov 6, 2025Heller John E.Option Excercise1786821.79$ 389,343.72
Nov 6, 2025Mullen Sean ThomasOption Excercise4838$ 0.00
Nov 6, 2025Mullen Sean ThomasOption Excercise162121.79$ 35,321.59
Nov 6, 2025DEMETRIOU STEVEN J.Option Excercise90727$ 0.00
Nov 6, 2025DEMETRIOU STEVEN J.Option Excercise2881821.79$ 627,944.22
May 8, 2025Lindsay Goldberg IV - PCF L.P.Other Aquisition1132839$ 0.00
May 8, 2025Lindsay Goldberg Co-Inv. IV L.P.Other Aquisition1132839$ 0.00
May 8, 2025Amentum Joint Venture GP LLCOther Disposition24330220.00$ 0.00
May 8, 2025Amentum Joint Venture LPOther Disposition24330220.00$ 0.00
May 8, 2025Lindsay Goldberg Employee Co-Inv. IV L.P.Other Aquisition1132839$ 0.00
May 8, 2025LG Co-Inv. A L.P.Other Aquisition1132839$ 0.00
May 8, 2025Lindsay Goldberg V L.P.Other Aquisition1132839$ 0.00
May 8, 2025Lindsay Goldberg Maverick Co-Inv. L.P.Other Aquisition1132839$ 0.00
May 8, 2025LG Amentum Holdings GP LLCOther Aquisition1132839$ 0.00
May 8, 2025LG Amentum Holdings LPOther Aquisition1132839$ 0.00
May 8, 2025GOLDBERG ALAN EOther Aquisition1132839$ 0.00
May 8, 2025Goldberg 2014 LLCOther Aquisition1132839$ 0.00
May 8, 2025Goldberg 2020 LLCOther Aquisition1132839$ 0.00
May 8, 2025LG GP Holding IV LLCOther Aquisition1132839$ 0.00
May 8, 2025LG GP Holding V LLCOther Aquisition1132839$ 0.00
May 8, 2025Lindsay Goldberg GP IV LLCOther Aquisition1132839$ 0.00
May 8, 2025Lindsay Goldberg GP V LLCOther Aquisition1132839$ 0.00
May 8, 2025Lindsay Goldberg IV L.P.Other Aquisition1132839$ 0.00
May 8, 2025Lindsay Goldberg IV - A L.P.Other Aquisition1132839$ 0.00