Sean Thomas Mullen serves as Executive at Amentum Holdings, Inc., where they oversee executive responsibilities. Since joining the company, Sean Thomas Mullen has executed 5 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Dec 17, 2025 involved exercising options for 9,298 shares valued at $0.
Sean Thomas Mullen currently holds 30,332 shares of Amentum Holdings, Inc. (AMTM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Sean Thomas Mullen has been a net neutral trader of AMTM stock. They have purchased $0 and sold $0 worth of shares.
Sean Thomas Mullen's most recent insider trade was on Dec 17, 2025, when they sold 9,298 shares at $0.00 per share.
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| $28.67 |
| Discretionary |
| Nov 17, 2025 | AMTM | $0 | Award | 17,817 | $N/A | Discretionary |
| Nov 6, 2025 | AMTM | $35.3K | Payment | 1,621 | $21.79 | Discretionary |
| Nov 6, 2025 | AMTM | $0 | Option Exercise | 4,838 | $N/A | Discretionary |