Last 12 months
Inside the activity.
0 purchase rows · 0 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| August 14, 2026 Filed Sep 18, 2026 01:35 UTC |
Thompson Christopher M.T.Director
|
GiftCommon Stock | 4,250 | $0.00 | $0.00 |
DisclosureSEC source: 0001483410-26-000005 · wk-form4_1789695352.xml · nonDerivative · entry 2 Thompson Christopher M.T. · CIK 0001483410 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By Trust Disclosed balance after: 5,750 F1 · date: Mr. Thompson's filing was late due to an administrative oversight. F2 · ownership.direct: On August 14, 2026, the reporting person transferred an LLC interest representing 4,250 shares of AMTM common stock to an immediate family for no consideration. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:30 UTC |
Bruning Jill LChief Technology Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 9,072 | $0.00 | $0.00 |
DisclosureSEC source: 0002011286-26-000018 · wk-form4_1778185803.xml · derivative · entry 3 Bruning Jill L · CIK 0002037037 · Chief Technology Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,073 Underlying: Common Stock · 9,072 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F5 · derivative.exercise_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. F5 · derivative.expiration_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:30 UTC |
Bruning Jill LChief Technology Officer
|
Tax withholdingCommon Stock | 2,731 | $24.89 | $67,974.59 |
DisclosureSEC source: 0002011286-26-000018 · wk-form4_1778185803.xml · nonDerivative · entry 2 Bruning Jill L · CIK 0002037037 · Chief Technology Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 197,457 F3 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:30 UTC |
Bruning Jill LChief Technology Officer
|
Exercise / conversionCommon Stock | 9,072 | Not disclosed | Not disclosed |
DisclosureSEC source: 0002011286-26-000018 · wk-form4_1778185803.xml · nonDerivative · entry 1 Bruning Jill L · CIK 0002037037 · Chief Technology Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 200,188 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. F2 · balance_after: Includes 117 shares acquired under the employee stock purchase plan in March 2026. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:31 UTC |
Mullen Sean ThomasChief Growth Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 9,072 | $0.00 | $0.00 |
DisclosureSEC source: 0002011286-26-000020 · wk-form4_1778185904.xml · derivative · entry 3 Mullen Sean Thomas · CIK 0002034388 · Chief Growth Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,073 Underlying: Common Stock · 9,072 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F4 · derivative.exercise_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. F4 · derivative.expiration_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:31 UTC |
Mullen Sean ThomasChief Growth Officer
|
Tax withholdingCommon Stock | 2,762 | $24.89 | $68,746.18 |
DisclosureSEC source: 0002011286-26-000020 · wk-form4_1778185904.xml · nonDerivative · entry 2 Mullen Sean Thomas · CIK 0002034388 · Chief Growth Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 32,448 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:31 UTC |
Mullen Sean ThomasChief Growth Officer
|
Exercise / conversionCommon Stock | 9,072 | Not disclosed | Not disclosed |
DisclosureSEC source: 0002011286-26-000020 · wk-form4_1778185904.xml · nonDerivative · entry 1 Mullen Sean Thomas · CIK 0002034388 · Chief Growth Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 35,210 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:32 UTC |
Heller John E.Director · Chief Executive Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 18,145 | $0.00 | $0.00 |
DisclosureSEC source: 0002011286-26-000021 · wk-form4_1778185946.xml · derivative · entry 3 Heller John E. · CIK 0001552715 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 18,146 Underlying: Common Stock · 18,145 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F4 · derivative.exercise_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. F4 · derivative.expiration_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:32 UTC |
Heller John E.Director · Chief Executive Officer
|
Tax withholdingCommon Stock | 8,184 | $24.89 | $203,699.76 |
DisclosureSEC source: 0002011286-26-000021 · wk-form4_1778185946.xml · nonDerivative · entry 2 Heller John E. · CIK 0001552715 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 376,019 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:32 UTC |
Heller John E.Director · Chief Executive Officer
|
Exercise / conversionCommon Stock | 18,145 | Not disclosed | Not disclosed |
DisclosureSEC source: 0002011286-26-000021 · wk-form4_1778185946.xml · nonDerivative · entry 1 Heller John E. · CIK 0001552715 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 384,203 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:31 UTC |
Johnson Travis BartonChief Financial Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 13,609 | $0.00 | $0.00 |
DisclosureSEC source: 0002011286-26-000019 · wk-form4_1778185869.xml · derivative · entry 3 Johnson Travis Barton · CIK 0001795038 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,609 Underlying: Common Stock · 13,609 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F4 · derivative.exercise_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. F4 · derivative.expiration_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:31 UTC |
Johnson Travis BartonChief Financial Officer
|
Tax withholdingCommon Stock | 4,097 | $24.89 | $101,974.33 |
DisclosureSEC source: 0002011286-26-000019 · wk-form4_1778185869.xml · nonDerivative · entry 2 Johnson Travis Barton · CIK 0001795038 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 118,187 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:31 UTC |
Johnson Travis BartonChief Financial Officer
|
Exercise / conversionCommon Stock | 13,609 | Not disclosed | Not disclosed |
DisclosureSEC source: 0002011286-26-000019 · wk-form4_1778185869.xml · nonDerivative · entry 1 Johnson Travis Barton · CIK 0001795038 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 122,284 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents a distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:29 UTC |
Arnette Stephen AChief Operating Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 13,609 | $0.00 | $0.00 |
DisclosureSEC source: 0002011286-26-000017 · wk-form4_1778185745.xml · derivative · entry 3 Arnette Stephen A · CIK 0001919492 · Chief Operating Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,609 Underlying: Common Stock · 13,609 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F4 · derivative.exercise_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. F4 · derivative.expiration_date: One-half of the restricted stock units shall vest and be delivered on the 18th month and three-year anniversaries of the date of grant. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:29 UTC |
Arnette Stephen AChief Operating Officer
|
Tax withholdingCommon Stock | 3,314 | $24.89 | $82,485.46 |
DisclosureSEC source: 0002011286-26-000017 · wk-form4_1778185745.xml · nonDerivative · entry 2 Arnette Stephen A · CIK 0001919492 · Chief Operating Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 106,652 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
| May 06, 2026 Filed May 7, 2026 20:29 UTC |
Arnette Stephen AChief Operating Officer
|
Exercise / conversionCommon Stock | 13,609 | Not disclosed | Not disclosed |
DisclosureSEC source: 0002011286-26-000017 · wk-form4_1778185745.xml · nonDerivative · entry 1 Arnette Stephen A · CIK 0001919492 · Chief Operating Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 109,966 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| March 04, 2026 Filed Mar 5, 2026 21:06 UTC |
Bruning Jill LChief Technology Officer
|
GiftCommon Stock | 30,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-015158 · wk-form4_1772744785.xml · nonDerivative · entry 1 Bruning Jill L · CIK 0002037037 · Chief Technology Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 190,999 Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 21:12 UTC |
Arnette Stephen AChief Operating Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 2,808 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-014626 · wk-form4_1772658730.xml · derivative · entry 3 Arnette Stephen A · CIK 0001919492 · Chief Operating Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 2,808 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F4 · derivative.exercise_date: The restricted stock units awarded vested on March 2, 2026. F4 · derivative.expiration_date: The restricted stock units awarded vested on March 2, 2026. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 21:12 UTC |
Arnette Stephen AChief Operating Officer
|
Tax withholdingCommon Stock | 750 | $30.70 | $23,025.00 |
DisclosureSEC source: 0001628280-26-014626 · wk-form4_1772658730.xml · nonDerivative · entry 2 Arnette Stephen A · CIK 0001919492 · Chief Operating Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 96,357 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 21:12 UTC |
Arnette Stephen AChief Operating Officer
|
Exercise / conversionCommon Stock | 2,808 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-26-014626 · wk-form4_1772658730.xml · nonDerivative · entry 1 Arnette Stephen A · CIK 0001919492 · Chief Operating Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 97,107 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 17:30 UTC |
St. Mary Michele TChief Legal Officer & GC
|
Exercise / conversionRestricted Stock Units · Derivative | 7,080 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-009269 · wk-form4_1771453809.xml · derivative · entry 3 St. Mary Michele T · CIK 0002057553 · Chief Legal Officer & GC 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,162 Underlying: Common Stock · 7,080 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F1 · kind: Represents distribution of AMTM common stock upon vesting of restricted stock units. F4 · derivative.exercise_date: The restricted stock units awarded vested on February 17, 2026. F4 · derivative.expiration_date: The restricted stock units awarded vested on February 17, 2026. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 17:30 UTC |
St. Mary Michele TChief Legal Officer & GC
|
Tax withholdingCommon Stock | 2,308 | $30.05 | $69,355.40 |
DisclosureSEC source: 0001628280-26-009269 · wk-form4_1771453809.xml · nonDerivative · entry 2 St. Mary Michele T · CIK 0002057553 · Chief Legal Officer & GC 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,043 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 17:30 UTC |
St. Mary Michele TChief Legal Officer & GC
|
Exercise / conversionCommon Stock | 7,080 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-26-009269 · wk-form4_1771453809.xml · nonDerivative · entry 1 St. Mary Michele T · CIK 0002057553 · Chief Legal Officer & GC 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 29,351 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:11 UTC |
IRELAND SUSAN LESLIEDirector
|
GrantCommon Stock | 5,062 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006839 · wk-form4_1770757912.xml · nonDerivative · entry 1 IRELAND SUSAN LESLIE · CIK 0001718953 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,509 F1 · shares: The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:11 UTC |
Rowland Sandra E.Director
|
Exercise / conversionRestricted Stock Units · Derivative | 11,564 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006837 · wk-form4_1770757878.xml · derivative · entry 3 Rowland Sandra E. · CIK 0001629360 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 11,564 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F4 · derivative.exercise_date: The restricted stock units awarded vested on February 6, 2026. F4 · derivative.expiration_date: The restricted stock units awarded vested on February 6, 2026. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:11 UTC |
Rowland Sandra E.Director
|
GrantCommon Stock | 5,062 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006837 · wk-form4_1770757878.xml · nonDerivative · entry 2 Rowland Sandra E. · CIK 0001629360 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,073 F2 · shares: The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:11 UTC |
Rowland Sandra E.Director
|
Exercise / conversionCommon Stock | 11,564 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-26-006837 · wk-form4_1770757878.xml · nonDerivative · entry 1 Rowland Sandra E. · CIK 0001629360 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,011 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:10 UTC |
Brooks Vincent KDirector
|
Exercise / conversionRestricted Stock Units · Derivative | 11,564 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006835 · wk-form4_1770757831.xml · derivative · entry 3 Brooks Vincent K · CIK 0001809046 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 11,564 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F5 · derivative.exercise_date: The restricted stock units awarded vested on February 6, 2026. F5 · derivative.expiration_date: The restricted stock units awarded vested on February 6, 2026. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:10 UTC |
Brooks Vincent KDirector
|
GrantCommon Stock | 5,062 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006835 · wk-form4_1770757831.xml · nonDerivative · entry 2 Brooks Vincent K · CIK 0001809046 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,462 F3 · shares: The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:10 UTC |
Brooks Vincent KDirector
|
Exercise / conversionCommon Stock | 11,564 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-26-006835 · wk-form4_1770757831.xml · nonDerivative · entry 1 Brooks Vincent K · CIK 0001809046 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,400 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. F2 · balance_after: Reflects a non-reportable transaction for shares transferred from the pro-rata distribution in-kind by Jacobs Solutions Inc. to its shareholders for no consideration on May 30, 2025. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:09 UTC |
EBERHART RALPH EDirector
|
Exercise / conversionRestricted Stock Units · Derivative | 11,564 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006831 · wk-form4_1770757772.xml · derivative · entry 3 EBERHART RALPH E · CIK 0001409312 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 11,564 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F5 · derivative.exercise_date: The restricted stock units awarded vested on February 6, 2026. F5 · derivative.expiration_date: The restricted stock units awarded vested on February 6, 2026. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:09 UTC |
EBERHART RALPH EDirector
|
GrantCommon Stock | 5,062 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006831 · wk-form4_1770757772.xml · nonDerivative · entry 2 EBERHART RALPH E · CIK 0001409312 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 48,120 F3 · shares: The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:09 UTC |
EBERHART RALPH EDirector
|
Exercise / conversionCommon Stock | 11,564 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-26-006831 · wk-form4_1770757772.xml · nonDerivative · entry 1 EBERHART RALPH E · CIK 0001409312 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 43,058 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. F2 · balance_after: Reflects a non-reportable transaction for shares transferred from the pro-rata distribution in-kind by Jacobs Solutions Inc. to its shareholders for no consideration on May 30, 2025. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:07 UTC |
Thompson Christopher M.T.Director
|
GrantCommon Stock | 5,062 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006827 · wk-form4_1770757643.xml · nonDerivative · entry 1 Thompson Christopher M.T. · CIK 0001483410 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,062 F1 · shares: The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:08 UTC |
Loughran BarbaraDirector
|
GrantCommon Stock | 5,062 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006828 · wk-form4_1770757680.xml · nonDerivative · entry 1 Loughran Barbara · CIK 0001778333 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,662 F1 · shares: The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:05 UTC |
Vollmer John C.Director
|
Exercise / conversionRestricted Stock Units · Derivative | 11,564 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006820 · wk-form4_1770757555.xml · derivative · entry 3 Vollmer John C. · CIK 0001723342 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 11,564 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F5 · derivative.exercise_date: The restricted stock units awarded vested on February 6, 2026. F5 · derivative.expiration_date: The restricted stock units awarded vested on February 6, 2026. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:05 UTC |
Vollmer John C.Director
|
GrantCommon Stock | 5,062 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-006820 · wk-form4_1770757555.xml · nonDerivative · entry 2 Vollmer John C. · CIK 0001723342 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 429,842 F3 · shares: The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer. Read SEC document |
| February 06, 2026 Filed Feb 10, 2026 21:05 UTC |
Vollmer John C.Director
|
Exercise / conversionCommon Stock | 11,564 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-26-006820 · wk-form4_1770757555.xml · nonDerivative · entry 1 Vollmer John C. · CIK 0001723342 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 424,780 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. F2 · balance_after: Reflects a non-reportable transaction for shares transferred from the pro-rata distribution in-kind by Amentum Joint Venture LP to its partners for no consideration at the time of the transaction. Read SEC document |
| January 28, 2026 Filed Jan 29, 2026 21:21 UTC |
Heller John E.Director · Chief Executive Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 51,979 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-004144 · wk-form4_1769721657.xml · derivative · entry 3 Heller John E. · CIK 0001552715 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 103,959 Underlying: Common Stock · 51,979 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F1 · kind: Represents distribution of AMTM common stock upon vesting of restricted stock units. F4 · derivative.exercise_date: The restricted stock units awarded vested on January 28, 2026. F4 · derivative.expiration_date: The restricted stock units awarded vested on January 28, 2026. Read SEC document |
| January 28, 2026 Filed Jan 29, 2026 21:21 UTC |
Heller John E.Director · Chief Executive Officer
|
Tax withholdingCommon Stock | 19,768 | $35.71 | $705,915.28 |
DisclosureSEC source: 0001628280-26-004144 · wk-form4_1769721657.xml · nonDerivative · entry 2 Heller John E. · CIK 0001552715 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 366,058 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
| January 28, 2026 Filed Jan 29, 2026 21:21 UTC |
Heller John E.Director · Chief Executive Officer
|
Exercise / conversionCommon Stock | 51,979 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-26-004144 · wk-form4_1769721657.xml · nonDerivative · entry 1 Heller John E. · CIK 0001552715 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 385,826 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| December 17, 2025 Filed Dec 19, 2025 21:19 UTC |
Mullen Sean ThomasChief Growth Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 9,298 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-25-058286 · wk-form4_1766179141.xml · derivative · entry 3 Mullen Sean Thomas · CIK 0002034388 · Chief Growth Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 9,298 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F1 · kind: Represents distribution of AMTM common stock upon vesting of restricted stock units. F4 · derivative.exercise_date: The restricted stock units awarded vested on December 17, 2025. F4 · derivative.expiration_date: The restricted stock units awarded vested on December 17, 2025. Read SEC document |
| December 17, 2025 Filed Dec 19, 2025 21:19 UTC |
Mullen Sean ThomasChief Growth Officer
|
Tax withholdingCommon Stock | 4,194 | $28.67 | $120,241.98 |
DisclosureSEC source: 0001628280-25-058286 · wk-form4_1766179141.xml · nonDerivative · entry 2 Mullen Sean Thomas · CIK 0002034388 · Chief Growth Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,138 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
| December 17, 2025 Filed Dec 19, 2025 21:19 UTC |
Mullen Sean ThomasChief Growth Officer
|
Exercise / conversionCommon Stock | 9,298 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-25-058286 · wk-form4_1766179141.xml · nonDerivative · entry 1 Mullen Sean Thomas · CIK 0002034388 · Chief Growth Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,332 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| December 05, 2025 Filed Dec 9, 2025 16:28 UTC |
Burton DarrenChief People Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 2,721 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-25-056097 · wk-form4_1765315717.xml · derivative · entry 3 Burton Darren · CIK 0002044904 · Chief People Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,444 Underlying: Common Stock · 2,721 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F1 · kind: Represents distribution of AMTM common stock upon vesting of restricted stock units. F4 · derivative.exercise_date: The restricted stock units awarded vested on December 5, 2025. F4 · derivative.expiration_date: The restricted stock units awarded vested on December 5, 2025. Read SEC document |
| December 05, 2025 Filed Dec 9, 2025 16:28 UTC |
Burton DarrenChief People Officer
|
Tax withholdingCommon Stock | 1,392 | $28.88 | $40,200.96 |
DisclosureSEC source: 0001628280-25-056097 · wk-form4_1765315717.xml · nonDerivative · entry 2 Burton Darren · CIK 0002044904 · Chief People Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 23,600 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
| December 05, 2025 Filed Dec 9, 2025 16:28 UTC |
Burton DarrenChief People Officer
|
Exercise / conversionCommon Stock | 2,721 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-25-056097 · wk-form4_1765315717.xml · nonDerivative · entry 1 Burton Darren · CIK 0002044904 · Chief People Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,992 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: Represents distribution of AMTM common stock upon vesting of restricted stock units. Read SEC document |
| November 17, 2025 Filed Nov 19, 2025 22:25 UTC |
DEMETRIOU STEVEN J.Director · Executive Chair
|
Exercise / conversionRestricted Stock Units · Derivative | 43,396 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-25-053259 · wk-form4_1763591106.xml · derivative · entry 5 DEMETRIOU STEVEN J. · CIK 0001173003 · Director · Executive Chair 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 43,396 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. F1 · kind: Represents distribution of AMTM common stock upon vesting of restricted stock units. F5 · derivative.exercise_date: The restricted stock units awarded vested on November 17, 2025. F5 · derivative.expiration_date: The restricted stock units awarded vested on November 17, 2025. Read SEC document |
| November 17, 2025 Filed Nov 19, 2025 22:25 UTC |
DEMETRIOU STEVEN J.Director · Executive Chair
|
GrantCommon Stock | 111,355 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-25-053259 · wk-form4_1763591106.xml · nonDerivative · entry 3 DEMETRIOU STEVEN J. · CIK 0001173003 · Director · Executive Chair 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 820,476 F3 · shares: The restricted stock units shall vest and be delivered on the first anniversary of November 17, 2025. Read SEC document |
| November 17, 2025 Filed Nov 19, 2025 22:25 UTC |
DEMETRIOU STEVEN J.Director · Executive Chair
|
Tax withholdingCommon Stock | 17,077 | $21.49 | $366,984.73 |
DisclosureSEC source: 0001628280-25-053259 · wk-form4_1763591106.xml · nonDerivative · entry 2 DEMETRIOU STEVEN J. · CIK 0001173003 · Director · Executive Chair 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 709,121 F2 · shares: Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.