SEC Insider Transactions from Arnette Stephen A.

Last updated: 2026-03-14 11:55 UTC | Total transactions: 60

Arnette Stephen A has filed 60 insider transactions across 2 companies since March 2024.

Most recent transaction: a option exercise of 2808 shares of Amentum Holdings, Inc. ($AMTM) on March 02, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 2, 2026 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Restricted Stock Units 2808 $0.00 0.0000 244,000,000 100.00% 0.00%
March 2, 2026 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer F Common Stock 750 $30.70 96,357.0000 244,000,000 0.77% 0.00%
March 2, 2026 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Common Stock 2808 $0.00 97,107.0000 244,000,000 2.98% 0.00%
Nov. 17, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Restricted Stock Units 1178 $0.00 0.0000 244,000,000 100.00% 0.00%
Nov. 17, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Common Stock 1178 $0.00 47,243.0000 244,000,000 2.56% 0.00%
Nov. 17, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Common Stock 46769 $0.00 93,725.0000 244,000,000 99.60% 0.02%
Nov. 17, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer F Common Stock 287 $21.49 46,956.0000 244,000,000 0.61% 0.00%
Nov. 16, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer F Common Stock 897 $22.07 42,589.0000 244,000,000 2.06% 0.00%
Nov. 16, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Common Stock 4596 $0.00 47,185.0000 244,000,000 10.79% 0.00%
Nov. 16, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Restricted Stock Units 4596 $0.00 0.0000 244,000,000 100.00% 0.00%
Nov. 16, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Restricted Stock Units 3681 $0.00 0.0000 244,000,000 100.00% 0.00%
Nov. 15, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Restricted Stock Units 5758 $0.00 11,515.0000 244,000,000 33.34% 0.00%
Nov. 16, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Restricted Stock Units 5053 $0.00 5,053.0000 244,000,000 50.00% 0.00%
Nov. 16, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer F Common Stock 1120 $22.07 46,065.0000 244,000,000 2.37% 0.00%
Nov. 15, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Common Stock 5758 $0.00 37,386.0000 244,000,000 18.21% 0.00%
Nov. 15, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer F Common Stock 1403 $22.07 35,983.0000 244,000,000 3.75% 0.00%
Nov. 16, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Common Stock 5053 $0.00 41,036.0000 244,000,000 14.04% 0.00%
Nov. 16, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer F Common Stock 1231 $22.07 39,805.0000 244,000,000 3.00% 0.00%
Nov. 16, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Common Stock 3681 $0.00 43,486.0000 244,000,000 9.25% 0.00%
Nov. 6, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Restricted Stock Units 12701 $0.00 25,404.0000 244,000,000 33.33% 0.01%
Nov. 6, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Common Stock 12701 $0.00 34,721.0000 244,000,000 57.68% 0.01%
Nov. 6, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer F Common Stock 3093 $21.79 31,628.0000 244,000,000 8.91% 0.00%
Sept. 18, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer J Common Stock 20786 $0.00 20,786.0000 90,000,000 9999.99% 0.02%
March 4, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Restricted Stock Units 521 $0.00 0.0000 243,000,000 100.00% 0.00%
March 3, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Restricted Stock Units 1230 $0.00 2,808.0000 243,000,000 30.46% 0.00%
March 4, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer F Common Stock 152 $18.71 22,020.0000 243,000,000 0.69% 0.00%
March 4, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Common Stock 521 $0.00 22,172.0000 243,000,000 2.41% 0.00%
March 3, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer F Common Stock 365 $19.64 21,651.0000 243,000,000 1.66% 0.00%
March 3, 2025 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer M Common Stock 1230 $0.00 22,016.0000 243,000,000 5.92% 0.00%
Nov. 6, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 27218 $0.00 27,218.0000 91,000,000 9999.99% 0.03%
Nov. 6, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 38105 $0.00 38,105.0000 91,000,000 9999.99% 0.04%
Oct. 2, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 1178 $0.00 1,178.0000 91,000,000 9999.99% 0.00%
Oct. 2, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 521 $0.00 521.0000 91,000,000 9999.99% 0.00%
Oct. 2, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 10395 $0.00 10,395.0000 91,000,000 9999.99% 0.01%
Oct. 2, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 10984 $0.00 10,984.0000 91,000,000 9999.99% 0.01%
Oct. 2, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 4596 $0.00 4,596.0000 91,000,000 9999.99% 0.01%
Oct. 2, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 3681 $0.00 3,681.0000 91,000,000 9999.99% 0.00%
Oct. 2, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 17273 $0.00 17,273.0000 91,000,000 9999.99% 0.02%
Oct. 2, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 10106 $0.00 10,106.0000 91,000,000 9999.99% 0.01%
Oct. 2, 2024 Amentum Holdings, Inc. $AMTM Arnette Stephen A Chief Operating Officer A Restricted Stock Units 4038 $0.00 4,038.0000 91,000,000 9999.99% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT F Common Stock 1651 $145.54 29,992.0000 126,213,000 5.22% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Common Stock 1044 $0.00 31,643.0000 126,213,000 3.41% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Common Stock 989 $0.00 30,599.0000 126,213,000 3.34% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Performance Stock Units 807 $0.00 0.0000 126,213,000 100.00% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Common Stock 1400 $0.00 27,862.0000 126,213,000 5.29% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Common Stock 807 $0.00 26,462.0000 126,213,000 3.15% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Common Stock 1010 $0.00 25,655.0000 126,213,000 4.10% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Common Stock 338 $0.00 24,645.0000 126,213,000 1.39% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Common Stock 422 $0.00 24,307.0000 126,213,000 1.77% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Common Stock 1748 $0.00 29,610.0000 126,213,000 6.27% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Performance Stock Units 1400 $0.00 0.0000 126,213,000 100.00% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Performance Stock Units 1748 $0.00 0.0000 126,213,000 100.00% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Performance Stock Units 989 $0.00 0.0000 126,213,000 100.00% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Performance Stock Units 1044 $0.00 0.0000 126,213,000 100.00% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Performance Stock Units 1010 $0.00 0.0000 126,213,000 100.00% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Performance Stock Units 338 $0.00 0.0000 126,213,000 100.00% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT M Performance Stock Units 422 $0.00 0.0000 126,213,000 100.00% 0.00%
Sept. 18, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT F Common Stock 2908 $145.54 27,084.0000 126,213,000 9.70% 0.00%
March 4, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT F Common Stock 87 $147.14 23,885.0000 127,214,000 0.36% 0.00%
March 1, 2024 JACOBS SOLUTIONS INC. $J Arnette Stephen A EXECUTIVE VICE PRESIDENT F Common Stock 229 $146.62 23,972.0000 127,214,000 0.95% 0.00%