SEC Insider Transactions from Mullen Sean Thomas.

Last updated: 2026-03-14 11:41 UTC | Total transactions: 10

Mullen Sean Thomas has filed 10 insider transactions across 1 company since November 2024.

Most recent transaction: a tax payment of 4194 shares of Amentum Holdings, Inc. ($AMTM) on December 17, 2025.

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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
Dec. 17, 2025 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer F Common Stock 4194 $28.67 26,138.0000 244,000,000 13.83% 0.00%
Dec. 17, 2025 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer M Common Stock 9298 $0.00 30,332.0000 244,000,000 44.20% 0.00%
Dec. 17, 2025 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer M Restricted Stock Units 9298 $0.00 0.0000 244,000,000 100.00% 0.00%
Nov. 17, 2025 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer A Common Stock 17817 $0.00 21,034.0000 244,000,000 553.84% 0.01%
Nov. 6, 2025 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer M Restricted Stock Units 4838 $0.00 9,678.0000 244,000,000 33.33% 0.00%
Nov. 6, 2025 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer M Common Stock 4838 $0.00 4,838.0000 244,000,000 9999.99% 0.00%
Nov. 6, 2025 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer F Common Stock 1621 $21.79 3,217.0000 244,000,000 33.51% 0.00%
Dec. 20, 2024 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer A Restricted Stock Units 9298 $0.00 9,298.0000 91,000,000 9999.99% 0.01%
Nov. 6, 2024 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer A Restricted Stock Units 14516 $0.00 14,516.0000 91,000,000 9999.99% 0.02%
Nov. 6, 2024 Amentum Holdings, Inc. $AMTM Mullen Sean Thomas Chief Growth Officer A Restricted Stock Units 18145 $0.00 18,145.0000 91,000,000 9999.99% 0.02%