Amentum Holdings, INC Form 4 insider transactions

Amentum Holdings, Inc. reports changes in beneficial ownership for CEO John E. Heller, involving restricted stock units and share dispositions for tax withholding.

Travis Barton Johnson, Chief Financial Officer of Amentum Holdings, Inc., reported transactions involving common stock and restricted stock units.

Jill L. Bruning, Chief Technology Officer of Amentum Holdings, Inc., reported transactions involving common stock and restricted stock units.

Stephen A. Arnette, Chief Operating Officer of Amentum Holdings, Inc., reported transactions involving common stock and restricted stock units.

Amentum Holdings, Inc. Chief Technology Officer Jill L. Bruning reported gifting 30,000 shares of common stock.

Amentum Holdings, Inc.'s Chief Operating Officer, Stephen A. Arnette, reported the vesting of restricted stock units and subsequent sale of shares for tax withholding.

Amentum Holdings, Inc. Director Susan Leslie Ireland acquired 5,062 restricted stock units, vesting at the next annual meeting.

Amentum Holdings Director Sandra E. Rowland increased her direct beneficial ownership of company common stock by acquiring 16,626 shares through RSU vesting and a new grant.

Amentum Holdings Director Vincent K. Brooks increased his direct beneficial ownership of common stock to 27,462 shares through RSU vesting and new grants.

Amentum Holdings, Inc. Director Ralph E. Eberhart reported the acquisition of 16,626 common shares through RSU vesting and a grant.

Steven J. Demetriou, Executive Chair of Amentum Holdings, Inc., filed an amended Form 4 to clarify beneficial ownership following a Jacobs Solutions Inc. distribution.

Amentum Holdings, Inc. Director Christopher M.T. Thompson reported the acquisition of 5,062 restricted stock units, vesting at the next annual meeting.

Amentum Holdings Director John C. Vollmer increased his direct beneficial ownership of common stock through the vesting of restricted stock units and a pro-rata distribution.

Amentum Holdings, Inc. CEO John E. Heller reported the vesting of restricted stock units and subsequent sale of shares for tax obligations.

Amentum Holdings, Inc. CEO John E. Heller filed an amended Form 4 to correct his beneficial ownership of common stock, reflecting a non-reportable transfer from a joint venture.

Amentum Holdings' Chief Technology Officer, Jill L Bruning, filed an amended Form 4 to correct her reported beneficial ownership of common stock.

Amentum Holdings' Chief Operating Officer, Stephen A. Arnette, filed an amended Form 4 to correct the reported beneficial ownership of common stock.

Amentum Holdings' Chief Growth Officer, Sean Thomas Mullen, filed a Form 4 disclosing a pre-scheduled vesting of 9,298 restricted stock units and the subsequent sale of 4,194 shares for tax withholding, both set for December 17, 2025.

Amentum's Chief People Officer, Darren Burton, reported the vesting of restricted stock units and subsequent tax-related share disposition.

Amentum Holdings, Inc.'s Chief Growth Officer, Sean Thomas Mullen, was granted 17,817 restricted stock units vesting over three years.

Amentum Holdings, Inc. CEO John E. Heller filed a Form 4 reporting a future acquisition of 155,897 restricted stock units on November 17, 2025, which will vest over three years.

Amentum Holdings, Inc.'s Chief Technology Officer, Jill L. Bruning, reported the acquisition of 17,817 restricted stock units, increasing her beneficial ownership.

Amentum Holdings, Inc.'s Chief People Officer, Darren Burton, was granted 22,271 restricted stock units, scheduled to vest over three years starting November 17, 2025.

Amentum Holdings' Chief Financial Officer, Travis Barton Johnson, was granted 100,220 shares of common stock in the form of restricted stock units, vesting over three years.

Amentum Holdings, Inc.'s Chief Legal Officer, Michele T. St. Mary, acquired 22,271 shares of common stock through a restricted stock unit grant.

Amentum Holdings' Chief Operating Officer, Stephen A. Arnette, reported transactions involving common stock and restricted stock units, including vesting, tax withholding, and a new grant.

Amentum Holdings' Executive Chair, Steven J. Demetriou, reported significant stock transactions including RSU vesting, tax-related dispositions, and a new RSU award.

COO Stephen A. Arnette received 19,088 shares from RSU vesting, withheld 4,651 shares for taxes at $22.07, and ended with 46,065 directly held shares.

Amentum Holdings CFO Travis Barton Johnson acquired 12,097 shares of common stock through RSU vesting and disposed of 3,642 shares for tax withholding.

Amentum Holdings' Chief Technology Officer, Jill L Bruning, vested 4,838 restricted stock units and sold a portion for tax withholding.