ATEC Alphatec Holdings, Inc.
Nasdaq · SEC CIK 1350653 · EDGAR
- Bought, last 12 months
- $2.01M 2 purchases by 2 insiders
- Sold, last 12 months
- $97.16M 38 sales by 13 insiders
- Filings on record
- 316 since 2021-07-01, latest 2026-09-10 20:58
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Pelizzon David R | Dir, 10% | — | $20.57M |
| Pritzker Jennifer N. | 10% | — | $15.65M |
| Squadron Capital Holdings LLC | 10% | — | $15.65M |
| Squadron Capital LLC | 10% | — | $15.65M |
| Miles Patrick | CEO, Dir | $1.01M | $7.60M |
| Hunsaker Craig E | EVP, PEOPLE, CULTURE | — | $4.66M |
| Sponsel David | EVP, SALES | — | $4.47M |
| Lish Scott | COO | — | $4.32M |
| Rydin Jeffrey P | Dir | — | $3.86M |
| Marshall Tyson Eliot | GC, CORP. SEC | — | $3.05M |
Transactions 373
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-03-07 | 2025-03-06 | ATEC | Marshall Tyson Eliot | GC, CORP. SEC | F - Tax | $11.44 | -27.8K | 451.0K | -6% | -$318.1K | |
| 2025-03-07 | 2025-03-06 | ATEC | Miles Patrick | CEO, Dir | F - Tax | $11.44 | -70.1K | 5.87M | -1% | -$801.9K | |
| 2025-03-07 | 2025-03-07 | ATEC | Miles Patrick | CEO, Dir | S - Sale | $10.64 | -12.7K | 5.86M | -0.2% | -$135.0K | |
| 2025-03-04 | 2025-03-03 | ATEC | MCGINNIS KAREN K | Dir | S - Sale | $12.26 | -38.3K | 57.5K | -40% | -$469.8K | |
| 2025-02-28 | 2025-02-27 | ATEC | Lish Scott | COO | S - Sale | $12.03 | -23.2K | 844.5K | -3% | -$278.9K | |
| M | 2025-02-26 | 2025-02-24+ | ATEC | Sponsel David | EVP, SALES | S - Sale | $10.54 | -32.4K | 702.7K | -4% | -$341.1K |
| 2025-02-26 | 2025-02-24 | ATEC | Miles Patrick | CEO, Dir | F - Tax | $10.76 | -93.0K | 5.97M | -2% | -$1.00M | |
| 2025-02-26 | 2025-02-26 | ATEC | Miles Patrick | CEO, Dir | S - Sale | $10.89 | -32.4K | 5.94M | -0.5% | -$352.8K | |
| 2025-02-07 | 2025-02-06 | ATEC | Lish Scott | COO | S - Sale | $11.49 | -27.5K | 867.7K | -3% | -$315.4K | |
| 2025-02-07 | 2025-02-05 | ATEC | Miles Patrick | CEO, Dir | S - Sale | $11.95 | -43.5K | 6.07M | -0.7% | -$519.3K | |
| 2025-02-04 | 2025-02-03 | ATEC | Sponsel David | EVP, SALES | S - Sale | $11.42 | -36.3K | 735.1K | -5% | -$414.0K | |
| M | 2025-01-31 | 2025-01-29 | ATEC | Marshall Tyson Eliot | GC, CORP. SEC | A - Grant | $0.00 | +233.1K | 478.8K | +95% | $0 |
| M | 2025-01-31 | 2025-01-29+ | ATEC | Miles Patrick | CEO, Dir | S - Sale | $12.03 | -93.3K | 6.15M | -1% | -$1.12M |
| M | 2025-01-31 | 2025-01-29 | ATEC | Miles Patrick | CEO, Dir | A - Grant | $0.00 | +700.8K | 6.20M | +13% | $0 |
| M | 2025-01-31 | 2025-01-29 | ATEC | Lish Scott | COO | A - Grant | $0.00 | +314.3K | 875.2K | +56% | $0 |
| M | 2025-01-31 | 2025-01-29 | ATEC | Hunsaker Craig E | EVP, PEOPLE, CULTURE | A - Grant | $0.00 | +352.1K | 1.63M | +28% | $0 |
| M | 2025-01-31 | 2025-01-29 | ATEC | Koning John Todd | CFO | A - Grant | $0.00 | +254.9K | 628.6K | +68% | $0 |
| M | 2025-01-31 | 2025-01-29 | ATEC | Sponsel David | EVP, SALES | A - Grant | $0.00 | +269.0K | 750.2K | +56% | $0 |
| 2025-01-23 | 2025-01-21 | ATEC | Miles Patrick | CEO, Dir | S - Sale | $12.00 | -6,687 | 5.50M | -0.1% | -$80.2K | |
| M | 2025-01-14 | 2025-01-10+ | ATEC | Sponsel David | EVP, SALES | S - Sale | $10.71 | -58.5K | 560.6K | -9% | -$626.6K |
| 2024-12-18 | 2024-12-18 | ATEC | Demski David M | Dir | A - Grant | — | +126.1K | 414.5K | +44% | — | |
| 2024-12-13 | 2024-12-11 | ATEC | Sponsel David | EVP, SALES | S - Sale | $9.69 | -62.0K | 560.8K | -10% | -$601.0K | |
| DM | 2024-12-13 | 2024-12-10 | ATEC | Hunsaker Craig E | EVP, PEOPLE, CULTURE | M - OptEx | $2.01 | +110.9K | 1.23M | +10% | +$223.5K |
| D | 2024-12-13 | 2024-12-10 | ATEC | Hunsaker Craig E | EVP, PEOPLE, CULTURE | F - Tax | $9.65 | -23.2K | 1.28M | -2% | -$223.5K |
| 2024-12-05 | 2024-11-21 | ATEC | Blackford Quentin S. | Dir | G - Gift | $0.00 | -15.1K | 574.2K | -3% | $0 | |
| M | 2024-11-22 | 2024-11-20+ | ATEC | Miles Patrick | CEO, Dir | S - Sale | $10.06 | -100.0K | 5.51M | -2% | -$1.01M |
| I | 2024-08-26 | 2024-08-23 | ATEC | Bakst Evan | Dir | P - Purchase | $5.76 | +35.0K | 50.0K | +233% | +$201.6K |
| M | 2024-08-26 | 2024-08-22+ | ATEC | Pelizzon David R | Dir, 10% | P - Purchase | $5.81 | +25.8K | 314.7K | +9% | +$150.0K |
| 2024-08-21 | 2024-08-21 | ATEC | Demski David M | Dir | P - Purchase | $5.67 | +50.0K | 288.4K | +21% | +$283.5K | |
| DM | 2024-08-08 | 2024-08-06 | ATEC | Lish Scott | COO | M - OptEx | $2.80 | +71.5K | 520.9K | +16% | +$199.9K |
| 2024-08-05 | 2024-08-02 | ATEC | Demski David M | Dir | P - Purchase | $6.56 | +40.0K | 238.4K | +20% | +$262.4K | |
| 2024-08-05 | 2024-08-02 | ATEC | Valentine Keith | Dir | P - Purchase | $6.55 | +39.0K | 82.1K | +90% | +$255.4K | |
| M | 2024-07-31 | 2024-07-29 | ATEC | Valentine Keith | Dir | A - Grant | $0.00 | +43.1K | 15.1K | New | $0 |
| 2024-06-14 | 2024-06-12 | ATEC | WOODS WARD W JR | Dir | A - Grant | $0.00 | +16.7K | 139.2K | +14% | $0 | |
| 2024-06-14 | 2024-06-12 | ATEC | Pelizzon David R | Dir, 10% | A - Grant | $0.00 | +16.7K | 305.9K | +6% | $0 | |
| 2024-06-14 | 2024-06-12 | ATEC | Bakst Evan | Dir | A - Grant | $0.00 | +16.7K | 1.11M | +2% | $0 | |
| 2024-06-14 | 2024-06-12 | ATEC | Demski David M | Dir | A - Grant | $0.00 | +16.7K | 198.4K | +9% | $0 | |
| 2024-06-14 | 2024-06-12 | ATEC | Berkowitz Mortimer III | Dir | A - Grant | $0.00 | +16.7K | 665.4K | +3% | $0 | |
| 2024-06-14 | 2024-06-12 | ATEC | Marshall Tyson Eliot | GC, CORP. SEC | S - Sale | $10.88 | -50.2K | 245.6K | -17% | -$546.5K | |
| 2024-06-14 | 2024-06-12 | ATEC | Blackford Quentin S. | Dir | A - Grant | $0.00 | +16.7K | 589.4K | +3% | $0 | |
| 2024-06-14 | 2024-06-12 | ATEC | Rydin Jeffrey P | Dir | A - Grant | $0.00 | +16.7K | 570.3K | +3% | $0 | |
| 2024-06-14 | 2024-06-12 | ATEC | MCGINNIS KAREN K | Dir | A - Grant | $0.00 | +16.7K | 95.9K | +21% | $0 | |
| 2024-04-26 | 2024-04-24 | ATEC | Koning John Todd | CFO | S - Sale | $12.82 | -37.5K | 393.4K | -9% | -$480.8K | |
| I | 2024-03-18 | 2024-03-14 | ATEC | Bakst Evan | Dir | P - Purchase | $13.53 | +15.0K | 15.0K | New | +$202.9K |
| 2024-03-08 | 2024-02-24 | ATEC | Miles Patrick | CEO, Dir | F - Tax | $15.27 | -88.2K | 5.61M | -2% | -$1.35M | |
| 2024-03-08 | 2024-03-07 | ATEC | Blackford Quentin S. | Dir | P - Purchase | $12.83 | +20.0K | 572.6K | +4% | +$256.6K | |
| 2024-03-08 | 2024-03-06 | ATEC | Marshall Tyson Eliot | GC, CORP. SEC | S - Sale | $13.16 | -9,225 | 295.9K | -3% | -$121.4K | |
| A | 2024-03-06 | 2023-06-15 | ATEC | Segal Paul | Dir | S - Sale | $16.15 | -100.0K | 0 | -100% | -$1.61M |
| 2024-03-04 | 2024-03-01 | ATEC | Koning John Todd | CFO | S - Sale | $13.30 | -121.6K | 430.9K | -22% | -$1.62M | |
| 2024-03-04 | 2024-03-01 | ATEC | Marshall Tyson Eliot | GC, CORP. SEC | S - Sale | $13.30 | -11.8K | 305.1K | -4% | -$157.3K | |
| 2024-02-29 | 2024-02-27 | ATEC | Sponsel David | EVP, SALES | S - Sale | $15.19 | -32.4K | 622.3K | -5% | -$491.6K | |
| 2024-02-29 | 2024-02-27 | ATEC | Lish Scott | COO | S - Sale | $15.19 | -31.1K | 507.2K | -6% | -$472.0K | |
| 2024-02-28 | 2024-02-26 | ATEC | Hunsaker Craig E | EVP, PEOPLE, CULTURE | S - Sale | $15.05 | -41.6K | 1.19M | -3% | -$625.5K | |
| 2024-02-22 | 2024-02-20 | ATEC | Hunsaker Craig E | EVP, PEOPLE, CULTURE | S - Sale | $15.16 | -77.3K | 1.19M | -6% | -$1.17M | |
| 2024-02-22 | 2024-02-21 | ATEC | Hunsaker Craig E | EVP, PEOPLE, CULTURE | A - Grant | $0.00 | +41.2K | 1.23M | +3% | $0 | |
| 2024-02-22 | 2024-02-21 | ATEC | Miles Patrick | CEO, Dir | A - Grant | $0.00 | +81.8K | 5.70M | +1% | $0 | |
| 2024-02-22 | 2024-02-20 | ATEC | Miles Patrick | CEO, Dir | F - Tax | $15.52 | -154.7K | 5.61M | -3% | -$2.40M | |
| 2024-02-22 | 2024-02-21 | ATEC | Koning John Todd | CFO | A - Grant | $0.00 | +31.7K | 552.5K | +6% | $0 | |
| 2024-02-22 | 2024-02-21 | ATEC | Sponsel David | EVP, SALES | S - Sale | $15.34 | -17.8K | 654.7K | -3% | -$273.4K | |
| 2024-02-22 | 2024-02-21 | ATEC | Sponsel David | EVP, SALES | A - Grant | $0.00 | +35.1K | 672.5K | +6% | $0 | |
| 2024-02-22 | 2024-02-21 | ATEC | Marshall Tyson Eliot | GC, CORP. SEC | A - Grant | $0.00 | +27.8K | 316.9K | +10% | $0 | |
| 2024-02-22 | 2024-02-21 | ATEC | Lish Scott | COO | A - Grant | $0.00 | +31.7K | 550.2K | +6% | $0 | |
| 2024-02-22 | 2024-02-21 | ATEC | Lish Scott | COO | S - Sale | $15.34 | -12.0K | 538.2K | -2% | -$183.5K | |
| 2024-02-15 | 2024-02-14 | ATEC | Sponsel David | EVP, SALES | S - Sale | $16.16 | -2,500 | 637.4K | -0.4% | -$40.4K | |
| 2024-02-05 | 2024-02-02 | ATEC | Lish Scott | COO | S - Sale | $16.47 | -25.2K | 518.5K | -5% | -$415.2K | |
| 2024-02-05 | 2024-02-01 | ATEC | Lish Scott | COO | A - Grant | $0.00 | +100.2K | 543.7K | +23% | $0 | |
| 2024-02-05 | 2024-02-01 | ATEC | Hunsaker Craig E | EVP, PEOPLE, CULTURE | A - Grant | $0.00 | +184.7K | 1.31M | +16% | $0 | |
| M | 2024-02-05 | 2024-02-02+ | ATEC | Hunsaker Craig E | EVP, PEOPLE, CULTURE | S - Sale | $16.51 | -39.1K | 1.27M | -3% | -$644.8K |
| 2024-02-05 | 2024-02-01 | ATEC | Koning John Todd | CFO | A - Grant | $0.00 | +129.6K | 545.2K | +31% | $0 | |
| 2024-02-05 | 2024-02-01 | ATEC | Koning John Todd | CFO | F - Tax | $16.68 | -24.5K | 520.7K | -4% | -$407.9K | |
| 2024-02-05 | 2024-02-01 | ATEC | Miles Patrick | CEO, Dir | A - Grant | $0.00 | +413.6K | 5.87M | +8% | $0 | |
| 2024-02-05 | 2024-02-01 | ATEC | Miles Patrick | CEO, Dir | F - Tax | $16.68 | -96.8K | 5.77M | -2% | -$1.61M | |
| 2024-02-05 | 2024-02-02 | ATEC | Sponsel David | EVP, SALES | S - Sale | $16.47 | -36.6K | 639.9K | -5% | -$603.1K | |
| 2024-02-05 | 2024-02-01 | ATEC | Sponsel David | EVP, SALES | A - Grant | $0.00 | +121.3K | 676.5K | +22% | $0 | |
| 2024-01-17 | 2024-01-16 | ATEC | Sponsel David | EVP, SALES | S - Sale | $15.00 | -2,500 | 555.3K | -0.4% | -$37.5K | |
| 2023-12-26 | 2023-12-21 | ATEC | Sponsel David | EVP, SALES | S - Sale | $15.00 | -2,500 | 557.8K | -0.4% | -$37.5K | |
| 2023-11-13 | 2023-11-09 | ATEC | Demski David M | Dir | P - Purchase | $10.50 | +30.0K | 181.7K | +20% | +$315.0K | |
| M | 2023-10-19 | 2023-10-17 | ATEC | Demski David M | Dir | A - Grant | $0.00 | +31.7K | 151.7K | +26% | $0 |
| M | 2023-09-27 | 2023-09-25+ | ATEC | Miles Patrick | CEO, Dir | S - Sale | $12.66 | -179.4K | 5.45M | -3% | -$2.27M |
| M | 2023-09-20 | 2023-09-18+ | ATEC | Miles Patrick | CEO, Dir | S - Sale | $13.42 | -180.0K | 5.63M | -3% | -$2.42M |
| 2023-09-13 | 2023-09-11 | ATEC | Mowry David H | Dir | S - Sale | $14.46 | -9,500 | 92.4K | -9% | -$137.4K | |
| 2023-09-13 | 2023-09-11 | ATEC | TULLIS JAMES L L | Dir | S - Sale | $14.74 | -35.0K | 172.0K | -17% | -$515.9K | |
| I | 2023-09-13 | 2023-09-11 | ATEC | TULLIS JAMES L L | Dir | S - Sale | $14.74 | -70.0K | 563.8K | -11% | -$1.03M |
| 2023-08-24 | 2023-08-23 | ATEC | Bakst Evan | Dir | S - Sale | $14.92 | -8,700 | 1.09M | -0.8% | -$129.8K | |
| 2023-08-10 | 2023-08-10 | ATEC | Pritzker Jennifer N. | 10% | P - Purchase | $14.99 | +2,400 | 58.0K | +4% | +$36.0K | |
| MI | 2023-08-10 | 2023-08-08+ | ATEC | Pritzker Jennifer N. | 10% | P - Purchase | $15.20 | +3,350 | 11.9K | +39% | +$50.9K |
| 2023-07-21 | 2023-07-19 | ATEC | Marshall Tyson Eliot | GC, CORP. SEC | A - Grant | $0.00 | +45.0K | 289.1K | +18% | $0 | |
| M | 2023-06-28 | 2023-06-27+ | ATEC | Hunsaker Craig E | EVP, GC, PEOPLE, CULTURE | S - Sale | $18.00 | -107.0K | 1.22M | -8% | -$1.93M |
| 2023-06-21 | 2023-06-20 | ATEC | WOODS WARD W JR | Dir | A - Grant | $0.00 | +9,908 | 122.4K | +9% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | Blackford Quentin S. | Dir | A - Grant | $0.00 | +9,908 | 552.6K | +2% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | Meynadier Marie | Dir | A - Grant | $0.00 | +9,908 | 59.1K | +20% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | Berkowitz Mortimer III | Dir | A - Grant | $0.00 | +9,908 | 648.7K | +2% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | Mowry David H | Dir | A - Grant | $0.00 | +9,908 | 101.9K | +11% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | MCGINNIS KAREN K | Dir | A - Grant | $0.00 | +9,908 | 79.1K | +14% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | Rydin Jeffrey P | Dir | A - Grant | $0.00 | +9,908 | 553.6K | +2% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | Pelizzon David R | Dir, 10% | A - Grant | $0.00 | +9,908 | 289.2K | +4% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | TULLIS JAMES L L | Dir | A - Grant | $0.00 | +9,908 | 207.0K | +5% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | Altman Elizabeth Ann | Dir | A - Grant | $0.00 | +9,908 | 41.1K | +32% | $0 | |
| 2023-06-21 | 2023-06-20 | ATEC | Bakst Evan | Dir | A - Grant | $0.00 | +9,908 | 1.10M | +0.9% | $0 | |
| 2023-06-20 | 2023-06-16 | ATEC | Altman Elizabeth Ann | Dir | S - Sale | $16.14 | -9,273 | 31.2K | -23% | -$149.7K |
Purchase Sale Sale after option exercise All abbreviations