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Amentum (AMTM) SEC Filings & 10K Form

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Recent Amentum SEC Filings

DateFilerForm TypeView
04/10/2025
3:40 PM
Amentum (Issuer)
Thompson Christopher M.T. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/10/2025
3:40 PM
Amentum (Issuer)
Rowland Sandra E. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/10/2025
3:40 PM
Amentum (Issuer)
IRELAND SUSAN LESLIE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/10/2025
3:40 PM
Amentum (Issuer)
Loughran Barbara (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/10/2025
3:40 PM
Amentum (Issuer)
EBERHART RALPH E (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/10/2025
3:40 PM
Amentum (Issuer)
Brooks Vincent K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/10/2025
3:41 PM
Amentum (Issuer)
Vollmer John C. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/08/2025
4:47 PM
Amentum (Issuer)
Amentum Joint Venture GP LLC (Reporting)
Amentum Joint Venture LP (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2025
3:37 PM
Amentum (Issuer)
St. Mary Michele T (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/17/2025
7:25 PM
Amentum (Issuer)
JACOBS ENGINEERING GROUP INC /DE/ (Reporting)
JACOBS SOLUTIONS INC. (Reporting)
JACOBS SOLUTIONS INC. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2025
6:51 PM
Amentum (Subject)
JACOBS SOLUTIONS INC. (Filed by)
JACOBS SOLUTIONS INC. (Filed by)
Form SCHEDULE 13G/A
03/11/2025
11:15 PM
Amentum (Filer)
Form EFFECT
03/10/2025
7:21 AM
Amentum (Filer)
Form S-1
Registration statement under Securities Act of 1933  
03/07/2025
3:44 PM
Amentum (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/07/2025
3:36 PM
Amentum (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/07/2025
3:38 PM
Amentum (Issuer)
EBERHART RALPH E (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/07/2025
3:38 PM
Amentum (Issuer)
Rowland Sandra E. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/07/2025
3:38 PM
Amentum (Issuer)
Brooks Vincent K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/07/2025
3:38 PM
Amentum (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/07/2025
3:39 PM
Amentum (Issuer)
Vollmer John C. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/07/2025
3:39 PM
Amentum (Issuer)
IRELAND SUSAN LESLIE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2025
3:32 PM
Amentum (Issuer)
Loughran Barbara (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
5:18 PM
Amentum (Issuer)
DEMETRIOU STEVEN J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/07/2025
12:14 PM
Amentum (Subject)
Invesco Ltd. (Filed by)
Form SCHEDULE 13G
02/05/2025
4:28 PM
Amentum (Subject)
BlackRock, Inc. (Filed by)
Form SCHEDULE 13G/A
02/05/2025
3:36 PM
Amentum (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
02/04/2025
3:34 PM
Amentum (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/30/2025
7:09 PM
Amentum (Subject)
VANGUARD GROUP INC (Filed by)
Form SCHEDULE 13G/A
01/30/2025
3:21 PM
Amentum (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/30/2025
3:24 PM
Amentum (Issuer)
Heller John E. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/21/2025
3:22 PM
Amentum (Filer)
Form DEF 14A
01/21/2025
3:24 PM
Amentum (Filer)
Form DEFA14A
01/21/2025
3:26 PM
Amentum (Filer)
Form ARS
12/30/2024
4:34 PM
Amentum (Issuer)
AMERICAN SECURITIES LLC (Reporting)
ASP Amentum Investco LP (Reporting)
ASP Manager Corp. (Reporting)
Form 3/A
12/27/2024
5:11 PM
Amentum (Issuer)
AMERICAN SECURITIES LLC (Reporting)
ASP Manager Corp. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/27/2024
3:30 PM
Amentum (Issuer)
LG Amentum Holdings GP LLC (Reporting)
LG Amentum Holdings LP (Reporting)
LG Co-Inv. A L.P. (Reporting)
Lindsay Goldberg Employee Co-Inv. IV L.P. (Reporting)
Lindsay Goldberg Maverick Co-Inv. L.P. (Reporting)
Lindsay Goldberg V L.P. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/27/2024
3:30 PM
Amentum (Issuer)
Goldberg 2014 LLC (Reporting)
Goldberg 2020 LLC (Reporting)
LG GP Holding IV LLC (Reporting)
LG GP Holding V LLC (Reporting)
Lindsay Goldberg Co-Inv. IV L.P. (Reporting)
Lindsay Goldberg GP IV LLC (Reporting)
Lindsay Goldberg GP V LLC (Reporting)
Lindsay Goldberg IV - A L.P. (Reporting)
Lindsay Goldberg IV - PCF L.P. (Reporting)
Lindsay Goldberg IV L.P. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/27/2024
3:31 PM
Amentum (Issuer)
GOLDBERG ALAN E (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/23/2024
6:03 PM
Amentum (Subject)
GOLDBERG ALAN E (Filed by)
Form SCHEDULE 13D
12/23/2024
5:03 PM
Amentum (Subject)
ASP Manager Corp. (Filed by)
Form SCHEDULE 13D
12/23/2024
4:55 PM
Amentum (Issuer)
Mullen Sean Thomas (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
Here’s How to Claim Your Stake in Elon’s Private Company, xAI (Ad)

I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.

All the details are waiting for you now — but you need to act before the May 1st funding window clos
12/19/2024
5:05 PM
Amentum (Subject)
Amentum Joint Venture LP (Filed by)
Form SCHEDULE 13D/A
12/19/2024
5:10 PM
Amentum (Issuer)
Amentum Joint Venture GP LLC (Reporting)
Amentum Joint Venture LP (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/17/2024
3:35 PM
Amentum (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
12/16/2024
3:39 PM
Amentum (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/12/2024
6:07 PM
Amentum (Subject)
JACOBS SOLUTIONS INC. (Filed by)
JACOBS SOLUTIONS INC. (Filed by)
Form SC 13G
11/12/2024
10:46 AM
Amentum (Subject)
BlackRock, Inc. (Filed by)
Form SC 13G
11/08/2024
3:16 PM
Amentum (Issuer)
Mullen Sean Thomas (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:16 PM
Amentum (Issuer)
Young Stuart Ira (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:16 PM
Amentum (Issuer)
Loughran Barbara (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:09 PM
Amentum (Issuer)
Rowland Sandra E. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:09 PM
Amentum (Issuer)
Johnson Travis Barton (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:09 PM
Amentum (Issuer)
Vollmer John C. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:10 PM
Amentum (Issuer)
Bruning Jill L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:10 PM
Amentum (Issuer)
Arnette Stephen A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:10 PM
Amentum (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
11/08/2024
3:10 PM
Amentum (Issuer)
Brooks Vincent K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:10 PM
Amentum (Issuer)
IRELAND SUSAN LESLIE (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:10 PM
Amentum (Issuer)
EBERHART RALPH E (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:11 PM
Amentum (Issuer)
Thompson Christopher M.T. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
3:11 PM
Amentum (Issuer)
DEMETRIOU STEVEN J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/04/2024
9:22 AM
Amentum (Subject)
VANGUARD GROUP INC (Filed by)
Form SC 13G/A
10/24/2024
1:02 PM
Amentum (Subject)
BlackRock, Inc. (Filed by)
Form SC 13G
10/04/2024
5:13 PM
Amentum (Subject)
Amentum Joint Venture LP (Filed by)
Form SC 13D
10/04/2024
4:51 PM
Amentum (Issuer)
Arnette Stephen A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
10/04/2024
4:53 PM
Amentum (Issuer)
DEMETRIOU STEVEN J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
10/04/2024
3:30 PM
Amentum (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
09/27/2024
4:02 PM
Amentum (Issuer)
Rowland Sandra E. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
4:04 PM
Amentum (Issuer)
Thompson Christopher M.T. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
4:05 PM
Amentum (Issuer)
Brooks Vincent K (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
4:06 PM
Amentum (Issuer)
Loughran Barbara (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
4:13 PM
Amentum (Issuer)
IRELAND SUSAN LESLIE (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
4:14 PM
Amentum (Issuer)
DEMETRIOU STEVEN J. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
4:15 PM
Amentum (Issuer)
EBERHART RALPH E (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
3:49 PM
Amentum (Issuer)
Amentum Joint Venture GP LLC (Reporting)
Amentum Joint Venture LP (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
3:51 PM
Amentum (Issuer)
Bruning Jill L (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
3:52 PM
Amentum (Issuer)
Mullen Sean Thomas (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
3:53 PM
Amentum (Issuer)
Heller John E. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
3:54 PM
Amentum (Issuer)
Johnson Travis Barton (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
3:55 PM
Amentum (Issuer)
Young Stuart Ira (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/27/2024
2:46 PM
Amentum (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/27/2024
1:50 PM
Amentum (Issuer)
Dickson Benjamin Buhl (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/25/2024
7:20 PM
Amentum (Issuer)
JACOBS ENGINEERING GROUP INC /DE/ (Reporting)
JACOBS SOLUTIONS INC. (Reporting)
JACOBS SOLUTIONS INC. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/18/2024
3:49 PM
Amentum (Issuer)
Berryman Kevin C (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/18/2024
3:53 PM
Amentum (Issuer)
PRAGADA ROBERT V (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/18/2024
3:57 PM
Amentum (Issuer)
Arnette Stephen A (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/18/2024
4:00 PM
Amentum (Filer)
Form SEC STAFF ACTION
09/18/2024
4:01 PM
Amentum (Issuer)
JACOBS ENGINEERING GROUP INC /DE/ (Reporting)
JACOBS SOLUTIONS INC. (Reporting)
JACOBS SOLUTIONS INC. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/18/2024
3:47 PM
Amentum (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/18/2024
3:48 PM
Amentum (Issuer)
Hsu Chin Chang (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
09/18/2024
3:49 PM
Amentum (Issuer)
Johnson Justin C (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
Here’s How to Claim Your Stake in Elon’s Private Company, xAI (Ad)

I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.

All the details are waiting for you now — but you need to act before the May 1st funding window clos
09/17/2024
7:29 AM
Amentum (Filer)
Form CERT
09/13/2024
7:44 AM
Amentum (Filer)
Form 10-12B/A
09/09/2024
8:06 AM
Amentum (Filer)
Form 10-12B/A
08/05/2024
4:25 PM
Amentum (Filer)
Form 10-12B/A
07/15/2024
7:01 AM
Amentum (Filer)
Form 10-12B
(Data available from 1/1/2016 forward)


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This page (NYSE:AMTM) was last updated on 5/4/2025 by MarketBeat.com Staff
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