Arnette Stephen A
Chief Operating Officer
Exercise
Calculated transaction value
$0
12,702 shares @ $0
Traded
Nov 6, 2026
Filed
Nov 10, 2026
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Amentum Holdings
AMTM
ServicesBusiness Services
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
23 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Arnette Stephen A Chief Operating Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Arnette Stephen A Chief Operating Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Arnette Stephen A Chief Operating Officer | Nov 10, 2026 4-day lag | Disposition Nov 6, 2026 | $106.23K Filed shares x price | SEC Form 4 View filing | |
| Johnson Travis Barton Chief Financial Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Johnson Travis Barton Chief Financial Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Johnson Travis Barton Chief Financial Officer | Nov 10, 2026 4-day lag | Disposition Nov 6, 2026 | $107.61K Filed shares x price | SEC Form 4 View filing | |
| Mullen Sean Thomas Chief Growth Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Mullen Sean Thomas Chief Growth Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Mullen Sean Thomas Chief Growth Officer | Nov 10, 2026 4-day lag | Disposition Nov 6, 2026 | $46.39K Filed shares x price | SEC Form 4 View filing | |
| Bruning Jill L Chief Technology Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Bruning Jill L Chief Technology Officer | Nov 10, 2026 4-day lag | Disposition Nov 6, 2026 | $30.96K Filed shares x price | SEC Form 4 View filing | |
| Bruning Jill L Chief Technology Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Heller John E. Chief Executive Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Heller John E. Chief Executive Officer | Nov 10, 2026 4-day lag | Disposition Nov 6, 2026 | $379.69K Filed shares x price | SEC Form 4 View filing | |
| Heller John E. Chief Executive Officer | Nov 10, 2026 4-day lag | Exercise Nov 6, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Donald J Trump Executive branch official | Sep 22, 2026 55-day lag | Sale Jul 29, 2026 | $15K - $50K Reported range | OGE 278-T View filing | |
| Donald J Trump Executive branch official | Sep 22, 2026 76-day lag | Sale Jul 8, 2026 | $1K - $15K Reported range | OGE 278-T View filing | |
| Thompson Christopher M.t. Director | Sep 17, 2026 34-day lag | Gift Aug 14, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Hon. William R. Keating U.S. House member | Nov 6, 2024 6-day lag | Sale Oct 31, 2024 | $1K - $15K Reported range | House PTR View filing | |
| Hon. Thomas H. Kean JR. U.S. House member | Oct 15, 2024 15-day lag | Other Sep 30, 2024 | $1K - $15K Reported range | House PTR View filing | |
| Hon. Thomas H. Kean JR. U.S. House member | Oct 15, 2024 15-day lag | Other Sep 30, 2024 | $1K - $15K Reported range | House PTR View filing | |
| Hon. Thomas H. Kean JR. U.S. House member | Oct 15, 2024 15-day lag | Other Sep 30, 2024 | $1K - $15K Reported range | House PTR View filing | |
| Hon. Thomas H. Kean JR. U.S. House member | Oct 15, 2024 15-day lag | Other Sep 30, 2024 | $1K - $15K Reported range | House PTR View filing |
Arnette Stephen A
Chief Operating Officer
Exercise
Reported value range
Not reported
12,702 shares
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Arnette Stephen A
Chief Operating Officer
Disposition
Calculated transaction value
$106.23K
4,999 shares @ $21.25
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Johnson Travis Barton
Chief Financial Officer
Exercise
Reported value range
Not reported
12,097 shares
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Johnson Travis Barton
Chief Financial Officer
Exercise
Calculated transaction value
$0
12,097 shares @ $0
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Johnson Travis Barton
Chief Financial Officer
Disposition
Calculated transaction value
$107.61K
5,064 shares @ $21.25
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Mullen Sean Thomas
Chief Growth Officer
Exercise
Calculated transaction value
$0
4,839 shares @ $0
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Mullen Sean Thomas
Chief Growth Officer
Exercise
Reported value range
Not reported
4,839 shares
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Mullen Sean Thomas
Chief Growth Officer
Disposition
Calculated transaction value
$46.39K
2,183 shares @ $21.25
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Bruning Jill L
Chief Technology Officer
Exercise
Calculated transaction value
$0
4,839 shares @ $0
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Bruning Jill L
Chief Technology Officer
Disposition
Calculated transaction value
$30.96K
1,457 shares @ $21.25
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Bruning Jill L
Chief Technology Officer
Exercise
Reported value range
Not reported
4,839 shares
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Heller John E.
Chief Executive Officer
Exercise
Calculated transaction value
$0
39,618 shares @ $0
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Heller John E.
Chief Executive Officer
Disposition
Calculated transaction value
$379.69K
17,868 shares @ $21.25
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Heller John E.
Chief Executive Officer
Exercise
Reported value range
Not reported
39,618 shares
Traded
Nov 6, 2026
Filed
Nov 10, 2026
Donald J Trump
Executive branch official
Sale
Reported value range
$15K - $50K
Not reported
Traded
Jul 29, 2026
Filed
Sep 22, 2026
Donald J Trump
Executive branch official
Sale
Reported value range
$1K - $15K
Not reported
Traded
Jul 8, 2026
Filed
Sep 22, 2026
Thompson Christopher M.t.
Director
Gift
Calculated transaction value
$0
4,250 shares @ $0
Traded
Aug 14, 2026
Filed
Sep 17, 2026
Hon. William R. Keating
U.S. House member
Sale
Reported value range
$1K - $15K
Not reported
Traded
Oct 31, 2024
Filed
Nov 6, 2024
Hon. Thomas H. Kean JR.
U.S. House member
Other
Reported value range
$1K - $15K
Not reported
Traded
Sep 30, 2024
Filed
Oct 15, 2024
Hon. Thomas H. Kean JR.
U.S. House member
Other
Reported value range
$1K - $15K
Not reported
Traded
Sep 30, 2024
Filed
Oct 15, 2024
Hon. Thomas H. Kean JR.
U.S. House member
Other
Reported value range
$1K - $15K
Not reported
Traded
Sep 30, 2024
Filed
Oct 15, 2024
Hon. Thomas H. Kean JR.
U.S. House member
Other
Reported value range
$1K - $15K
Not reported
Traded
Sep 30, 2024
Filed
Oct 15, 2024