Marshall Tyson Eliot, General Counsel and Corporate Secretary at Alphatec Holdings, Inc. ($ATEC), sold shares on the open market eight times over the last year, totaling about $3.4 million. His most recent sale occurred on March 5, 2026. These transactions rank him 2,489th among 11,678 individual insiders in our database by total sales value, below the average of $8.6 million across roughly 6.4 sales per insider. He made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 88835 | $12.49 | 559,459.0000 | 151,401,000 | 13.70% | 0.06% |
| Feb. 25, 2026 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Common Stock | 205094 | $0.00 | 550,536.0000 | 151,401,000 | 59.37% | 0.14% |
| Feb. 25, 2026 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Restricted Stock Units | 42459 | $0.00 | 42,459.0000 | 151,401,000 | 9999.99% | 0.03% |
| Feb. 25, 2026 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Common Stock | 12840 | $0.00 | 648,294.0000 | 151,401,000 | 2.02% | 0.01% |
| Feb. 25, 2026 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Common Stock | 84918 | $0.00 | 635,454.0000 | 151,401,000 | 15.42% | 0.06% |
| Feb. 25, 2026 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Restricted Stock Units | 42459 | $0.00 | 42,459.0000 | 151,401,000 | 9999.99% | 0.03% |
| Dec. 5, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 9924 | $21.48 | 358,407.0000 | 151,401,000 | 2.69% | 0.01% |
| Dec. 5, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 12965 | $21.47 | 345,442.0000 | 151,401,000 | 3.62% | 0.01% |
| Nov. 20, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 70000 | $19.51 | 368,331.0000 | 151,401,000 | 15.97% | 0.05% |
| Aug. 1, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 12878 | $12.00 | 456,423.0000 | 142,946,000 | 2.74% | 0.01% |
| Aug. 5, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 9924 | $14.86 | 446,499.0000 | 142,946,000 | 2.17% | 0.01% |
| Aug. 5, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 8168 | $14.96 | 438,331.0000 | 142,946,000 | 1.83% | 0.01% |
| July 10, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 1500 | $12.00 | 469,301.0000 | 142,946,000 | 0.32% | 0.00% |
| April 1, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Common Stock | 19848 | $0.00 | 470,801.0000 | 142,946,000 | 4.40% | 0.01% |
| March 6, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | F | Common Stock | 27805 | $11.44 | 450,953.0000 | 142,946,000 | 5.81% | 0.02% |
| Jan. 29, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Common Stock | 12965 | $0.00 | 478,758.0000 | 142,946,000 | 2.78% | 0.01% |
| Jan. 29, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Common Stock | 114322 | $0.00 | 465,793.0000 | 142,946,000 | 32.53% | 0.08% |
| Jan. 29, 2025 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Common Stock | 105833 | $0.00 | 351,471.0000 | 142,946,000 | 43.08% | 0.07% |
| June 12, 2024 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 50232 | $10.88 | 245,638.0000 | 121,242,000 | 16.98% | 0.04% |
| March 6, 2024 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 9225 | $13.16 | 295,870.0000 | 121,242,000 | 3.02% | 0.01% |
| March 1, 2024 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | S | Common Stock | 11825 | $13.30 | 305,095.0000 | 121,242,000 | 3.73% | 0.01% |
| Feb. 21, 2024 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Common Stock | 27778 | $0.00 | 316,920.0000 | 121,242,000 | 9.61% | 0.02% |
| July 19, 2023 | Alphatec Holdings, Inc. | $ATEC | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | A | Common Stock | 45000 | $0.00 | 289,142.0000 | 103,373,000 | 18.43% | 0.04% |