Tyson Eliot Marshall serves as Executive at Alphatec Holdings, Inc., where they oversee executive responsibilities. Since joining the company, Tyson Eliot Marshall has executed 12 insider transactions totaling $3.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 5, 2025 involved selling 12,965 shares valued at $278.4K.
Tyson Eliot Marshall currently holds 345,442 shares of Alphatec Holdings, Inc. (ATEC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Tyson Eliot Marshall has been a net seller of ATEC stock. They have purchased $0 and sold $3.1M worth of shares.
Tyson Eliot Marshall's most recent insider trade was on Dec 5, 2025, when they sold 12,965 shares at $21.47 per share.
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| $21.48 |
| Discretionary |
| Nov 20, 2025 | ATEC | $1.4M | Sale | 70,000 | $19.51 | Discretionary |
| Aug 5, 2025 | ATEC | $122.2K | Sale | 8,168 | $14.96 | Discretionary |
| Aug 5, 2025 | ATEC | $147.5K | Sale | 9,924 | $14.86 | Discretionary |
| Aug 1, 2025 | ATEC | $154.5K | Sale | 12,878 | $12.00 | Discretionary |
| Jul 10, 2025 | ATEC | $18.0K | Sale | 1,500 | $12.00 | Discretionary |
| Jun 12, 2024 | ATEC | $546.5K | Sale | 50,232 | $10.88 | Discretionary |
| Mar 6, 2024 | ATEC | $121.4K | Sale | 9,225 | $13.16 | Planned |
| Mar 1, 2024 | ATEC | $157.3K | Sale | 11,825 | $13.30 | Planned |
| Feb 21, 2024 | ATEC | $0 | Award | 27,778 | $N/A | Discretionary |
| Jul 19, 2023 | ATEC | $0 | Award | 45,000 | $N/A | Discretionary |