Amentum Holdings, INC Form 4 insider transactions

Amentum Holdings CEO John E. Heller reported a pre-planned vesting of restricted stock units and a subsequent sale of shares for tax withholding purposes, effective November 6, 2025.

Amentum Holdings' Chief Growth Officer, Sean Thomas Mullen, reported the vesting of 4,838 restricted stock units and the subsequent sale of 1,621 shares for tax withholding.

Amentum Holdings Executive Chair Steven J. Demetriou reported the vesting of restricted stock units and a subsequent sale of shares for tax withholding.

Amentum Holdings COO Stephen Arnette reported the vesting of restricted stock units and subsequent sale of shares for tax withholding.

Goldberg 2014 LLC and related entities report receiving 1,132,839 shares of Amentum Holdings, Inc. common stock through a pro-rata distribution from Amentum Joint Venture LP.

Lindsay Goldberg Employee Co-Inv. IV L.P. and related entities received 1,132,839 shares of Amentum Holdings, Inc. common stock through a pro-rata distribution from Amentum Joint Venture LP.

Alan E. Goldberg, a director and 10% owner of Amentum Holdings, reports receiving shares via a pro-rata distribution.

Amentum Joint Venture GP LLC and Amentum Joint Venture LP jointly report the disposition of all shares of Amentum Holdings, Inc. due to pro rata distributions to limited partners.

Director John C. Vollmer acquired 11,564 restricted stock units in Amentum Holdings, Inc. on April 8, 2025, according to a Form 4 filing.

Director Vincent K. Brooks acquired 11,564 restricted stock units in Amentum Holdings, Inc. on April 8, 2025.

Director Ralph E. Eberhart acquired 11,564 restricted stock units in Amentum Holdings, Inc. on April 8, 2025, which will vest at the next annual meeting of stockholders.

Director Barbara Loughran of Amentum Holdings, Inc. reports the acquisition of 11,564 restricted stock units (RSUs) convertible to common stock.

Director Susan Leslie Ireland reports acquisition of 11,564 restricted stock units in Amentum Holdings, Inc.

Director Sandra E. Rowland acquired 11,564 restricted stock units of Amentum Holdings, Inc. on April 8, 2025, which will vest on the date of the next annual meeting of stockholders.

Christopher M.T. Thompson, a director of Amentum Holdings, Inc., acquired 11,564 restricted stock units on April 8, 2025, according to a Form 4 filing.

Amentum Joint Venture GP LLC and Amentum Joint Venture LP jointly report the acquisition of 2,433,022 shares of Amentum Holdings, Inc. common stock following a Reverse Morris Trust transaction.

Michele T. St. Mary, Chief Legal Officer & GC of Amentum Holdings, Inc., acquired 21,242 restricted stock units on March 17, 2025, according to a Form 4 filing.

Jacobs Solutions Inc. subsidiary, Jacobs Engineering Group Inc., exchanged 19,464,174 shares of Amentum Holdings, Inc. common stock to retire approximately $312 million in term loans.

Director Susan Leslie Ireland reports the vesting of restricted stock units and subsequent distribution of Amentum Holdings common stock.

Director John C. Vollmer reports acquisition of Amentum Holdings common stock through pro-rata distribution and vesting of restricted stock units.

Director Vincent K. Brooks reports acquisition and distribution of Amentum Holdings (AMTM) common stock and vesting of restricted stock units.

Director Sandra E. Rowland reports the vesting of restricted stock units and subsequent distribution of Amentum Holdings common stock.

Director Ralph E. Eberhart reports acquisition and disposal of Amentum Holdings (AMTM) common stock and vesting of restricted stock units.

Stephen Arnette, COO of Amentum Holdings, reports acquisition and disposal of common stock and vesting of restricted stock units.

Director Barbara Loughran purchased 4,600 shares of Amentum Holdings, Inc. common stock at an average price of $21.225 on February 18, 2025.

Steven J. Demetriou, Executive Chair of Amentum Holdings, recently acquired 100,000 shares of common stock at an average price of $20.807 per share.

Amentum Holdings CEO, John E. Heller, acquired a substantial amount of common stock, stock options, and restricted stock units, as detailed in a recent SEC filing.

Alan E. Goldberg, a director and 10% owner of Amentum Holdings, Inc., acquired 43,893,904 shares of common stock through a pro-rata in-kind distribution.

Amentum Holdings' Chief Growth Officer, Sean Thomas Mullen, was granted 9,298 restricted stock units that will vest on December 17, 2025.

Amentum Joint Venture GP LLC and Amentum Joint Venture LP have reported the complete disposal of their holdings in Amentum Holdings, Inc. through a pro rata distribution to their limited partners.