ATEC
Alphatec Holdings, Inc.$7.58+0.01 (+0.20%)Prev Close$7.57·MCap$1.16B·P/E—·Vol1.98M·Yield—
▲
Buys (12M)
1
$996.2K
▼
Sells (12M)
46
$65.59M
◆
Net Activity
Net Seller
$64.59M
●
Active Insiders
13
last 12 mo
Over the past 12 months, insider activity at Alphatec Holdings, Inc. (ATEC) has been dominated by selling, with 1 insider purchase totaling $996.2K and 46 insider sales totaling $65.59M. The most recent insider transaction was by Valentine Keith (director), who purchased $996.2K worth of shares on May 11, 2026. Alphatec Holdings, Inc. operates in the Healthcare sector, within the Medical - Devices industry, with a market cap of $1.16B.
ATEC Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 11, 2026 | Valentine Keith | director | Buy | 135,000 | $7.38 | $996.2K | 232,271+139% |
| Mar 17, 2026 | Koning John Todd | officer: CHIEF FINANCIAL OFFICER | Sell | 79,789 | $12.36 | $986.2K | 600,721 |
| Mar 17, 2026 | Lish Scott | officer: CHIEF OPERATING OFFICER | Sell | 260,535 | $12.30 | $3.20M | 815,704 |
| Mar 13, 2026 | Sponsel David | officer: EVP, SALES | Sell | 163,452 | $12.52 | $2.05M | 504,932 |
| Mar 10, 2026 | Hunsaker Craig E | officer: EVP, PEOPLE & CULTURE | Sell | 116,367 | $12.38 | $1.44M | 1,808,974 |
| Mar 9, 2026 | Marshall Tyson Eliot | officer: GENERAL COUNSEL & CORP. SEC. | Sell | 88,835 | $12.49 | $1.11M | 559,459 |
| Feb 12, 2026 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 41,105 | $13.10 | $538.5K | 0 |
| Feb 5, 2026 | Sponsel David | EVP, SALES | Sell | 60,425 | $13.79 | $833.3K | 0 |
| Feb 3, 2026 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 37,358 | $14.71 | $549.5K | 0 |
| Jan 5, 2026 | Miles Patrick | CEO | Sell | 100,000 | $21.01 | $2.10M | 0 |
| Dec 16, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 19,900 | $19.64 | $390.8K | 0 |
| Dec 16, 2025 | Pelizzon David R | Director | Sell | 250,000 | $19.66 | $4.92M | 0 |
| Dec 11, 2025 | Demski David M | Director | Sell | 30,000 | $21.20 | $636.0K | 0 |
| Dec 10, 2025 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 32,584 | $20.84 | $679.1K | 0 |
| Dec 10, 2025 | Sponsel David | EVP, SALES | Sell | 21,106 | $20.79 | $438.8K | 0 |
| Dec 8, 2025 | Koning John Todd | CHIEF FINANCIAL OFFICER | Sell | 15,266 | $21.45 | $327.5K | 0 |
| Dec 8, 2025 | Miles Patrick | CEO | Sell | 28,680 | $21.45 | $615.2K | 0 |
| Dec 8, 2025 | Pelizzon David R | Director | Sell | 250,000 | $21.18 | $5.30M | 0 |
| Dec 8, 2025 | Sponsel David | EVP, SALES | Sell | 988 | $21.45 | $21.2K | 0 |
| Dec 5, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 10,875 | $21.47 | $233.5K | 0 |
| Dec 5, 2025 | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | Sell | 22,889 | $21.47 | $491.5K | 0 |
| Dec 1, 2025 | Miles Patrick | CEO | Sell | 100,000 | $22.11 | $2.21M | 0 |
| Nov 24, 2025 | Pritzker Jennifer N. | 10% Owner | Sell | 250,000 | $20.62 | $5.16M | 0 |
| Nov 20, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 25,000 | $19.80 | $495.0K | 0 |
| Nov 20, 2025 | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | Sell | 70,000 | $19.51 | $1.37M | 0 |
| Nov 12, 2025 | Pritzker Jennifer N. | 10% Owner | Sell | 250,000 | $20.80 | $5.20M | 0 |
| Nov 3, 2025 | Miles Patrick | CEO | Sell | 100,000 | $18.96 | $1.90M | 0 |
| Nov 3, 2025 | Rydin Jeffrey P | Director | Sell | 200,000 | $19.32 | $3.86M | 0 |
| Oct 31, 2025 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 100,000 | $19.95 | $2.00M | 0 |
| Oct 24, 2025 | Sponsel David | EVP, SALES | Sell | 70,000 | $16.18 | $1.13M | 0 |
| Oct 1, 2025 | Miles Patrick | CEO | Sell | 100,000 | $13.96 | $1.40M | 0 |
| Sep 18, 2025 | Sponsel David | EVP, SALES | Sell | 140,000 | $15.09 | $2.11M | 0 |
| Sep 9, 2025 | Berkowitz Mortimer III | Director | Sell | 62,500 | $15.97 | $998.1K | 0 |
| Sep 2, 2025 | Miles Patrick | CEO | Sell | 300,000 | $15.73 | $4.72M | 0 |
| Aug 21, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 6,323 | $16.01 | $101.2K | 0 |
| Aug 13, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 9,302 | $16.00 | $148.8K | 0 |
| Aug 6, 2025 | Koning John Todd | CHIEF FINANCIAL OFFICER | Sell | 5,315 | $15.34 | $81.5K | 0 |
| Aug 6, 2025 | Sponsel David | EVP, SALES | Sell | 982 | $15.34 | $15.1K | 0 |
| Aug 5, 2025 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 60,876 | $15.06 | $916.7K | 0 |
| Aug 1, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 70,604 | $13.48 | $952.1K | 0 |
| Aug 1, 2025 | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | Sell | 30,970 | $13.70 | $424.2K | 0 |
| Jul 10, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 3,982 | $12.00 | $47.8K | 0 |
| Jul 10, 2025 | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | Sell | 1,500 | $12.00 | $18.0K | 0 |
| Jun 13, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 22,727 | $11.07 | $251.6K | 0 |
| Jun 11, 2025 | MCGINNIS KAREN K | Director | Sell | 3,963 | $12.11 | $48.0K | 0 |
| Jun 4, 2025 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 200,000 | $12.34 | $2.47M | 0 |
| May 19, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 55,375 | $13.00 | $719.9K | 0 |
| May 5, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 12,000 | $12.12 | $145.4K | 0 |
| Apr 22, 2025 | Koning John Todd | CHIEF FINANCIAL OFFICER | Sell | 37,500 | $10.71 | $401.6K | 0 |
| Mar 10, 2025 | Koning John Todd | CHIEF FINANCIAL OFFICER | Sell | 165,121 | $9.72 | $1.60M | 0 |
Showing 1–50 of 228
1 / 5
ATEC Insider Buying Activity
The following table shows recent insider purchases of Alphatec Holdings, Inc. (ATEC) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 11, 2026 | Valentine Keith | director | Buy | 135,000 | $7.38 | $996.2K | 232,271+139% |
ATEC Insider Selling Activity
The following table shows recent insider sales of Alphatec Holdings, Inc. (ATEC) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 17, 2026 | Koning John Todd | officer: CHIEF FINANCIAL OFFICER | Sell | 79,789 | $12.36 | $986.2K | 600,721 |
| Mar 17, 2026 | Lish Scott | officer: CHIEF OPERATING OFFICER | Sell | 260,535 | $12.30 | $3.20M | 815,704 |
| Mar 13, 2026 | Sponsel David | officer: EVP, SALES | Sell | 163,452 | $12.52 | $2.05M | 504,932 |
| Mar 10, 2026 | Hunsaker Craig E | officer: EVP, PEOPLE & CULTURE | Sell | 116,367 | $12.38 | $1.44M | 1,808,974 |
| Mar 9, 2026 | Marshall Tyson Eliot | officer: GENERAL COUNSEL & CORP. SEC. | Sell | 88,835 | $12.49 | $1.11M | 559,459 |
| Feb 12, 2026 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 41,105 | $13.10 | $538.5K | 0 |
| Feb 5, 2026 | Sponsel David | EVP, SALES | Sell | 60,425 | $13.79 | $833.3K | 0 |
| Feb 3, 2026 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 37,358 | $14.71 | $549.5K | 0 |
| Jan 5, 2026 | Miles Patrick | CEO | Sell | 100,000 | $21.01 | $2.10M | 0 |
| Dec 16, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 19,900 | $19.64 | $390.8K | 0 |
| Dec 16, 2025 | Pelizzon David R | Director | Sell | 250,000 | $19.66 | $4.92M | 0 |
| Dec 11, 2025 | Demski David M | Director | Sell | 30,000 | $21.20 | $636.0K | 0 |
| Dec 10, 2025 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 32,584 | $20.84 | $679.1K | 0 |
| Dec 10, 2025 | Sponsel David | EVP, SALES | Sell | 21,106 | $20.79 | $438.8K | 0 |
| Dec 8, 2025 | Koning John Todd | CHIEF FINANCIAL OFFICER | Sell | 15,266 | $21.45 | $327.5K | 0 |
| Dec 8, 2025 | Miles Patrick | CEO | Sell | 28,680 | $21.45 | $615.2K | 0 |
| Dec 8, 2025 | Pelizzon David R | Director | Sell | 250,000 | $21.18 | $5.30M | 0 |
| Dec 8, 2025 | Sponsel David | EVP, SALES | Sell | 988 | $21.45 | $21.2K | 0 |
| Dec 5, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 10,875 | $21.47 | $233.5K | 0 |
| Dec 5, 2025 | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | Sell | 22,889 | $21.47 | $491.5K | 0 |
| Dec 1, 2025 | Miles Patrick | CEO | Sell | 100,000 | $22.11 | $2.21M | 0 |
| Nov 24, 2025 | Pritzker Jennifer N. | 10% Owner | Sell | 250,000 | $20.62 | $5.16M | 0 |
| Nov 20, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 25,000 | $19.80 | $495.0K | 0 |
| Nov 20, 2025 | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | Sell | 70,000 | $19.51 | $1.37M | 0 |
| Nov 12, 2025 | Pritzker Jennifer N. | 10% Owner | Sell | 250,000 | $20.80 | $5.20M | 0 |
| Nov 3, 2025 | Miles Patrick | CEO | Sell | 100,000 | $18.96 | $1.90M | 0 |
| Nov 3, 2025 | Rydin Jeffrey P | Director | Sell | 200,000 | $19.32 | $3.86M | 0 |
| Oct 31, 2025 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 100,000 | $19.95 | $2.00M | 0 |
| Oct 24, 2025 | Sponsel David | EVP, SALES | Sell | 70,000 | $16.18 | $1.13M | 0 |
| Oct 1, 2025 | Miles Patrick | CEO | Sell | 100,000 | $13.96 | $1.40M | 0 |
| Sep 18, 2025 | Sponsel David | EVP, SALES | Sell | 140,000 | $15.09 | $2.11M | 0 |
| Sep 9, 2025 | Berkowitz Mortimer III | Director | Sell | 62,500 | $15.97 | $998.1K | 0 |
| Sep 2, 2025 | Miles Patrick | CEO | Sell | 300,000 | $15.73 | $4.72M | 0 |
| Aug 21, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 6,323 | $16.01 | $101.2K | 0 |
| Aug 13, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 9,302 | $16.00 | $148.8K | 0 |
| Aug 6, 2025 | Koning John Todd | CHIEF FINANCIAL OFFICER | Sell | 5,315 | $15.34 | $81.5K | 0 |
| Aug 6, 2025 | Sponsel David | EVP, SALES | Sell | 982 | $15.34 | $15.1K | 0 |
| Aug 5, 2025 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 60,876 | $15.06 | $916.7K | 0 |
| Aug 1, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 70,604 | $13.48 | $952.1K | 0 |
| Aug 1, 2025 | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | Sell | 30,970 | $13.70 | $424.2K | 0 |
| Jul 10, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 3,982 | $12.00 | $47.8K | 0 |
| Jul 10, 2025 | Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | Sell | 1,500 | $12.00 | $18.0K | 0 |
| Jun 13, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 22,727 | $11.07 | $251.6K | 0 |
| Jun 11, 2025 | MCGINNIS KAREN K | Director | Sell | 3,963 | $12.11 | $48.0K | 0 |
| Jun 4, 2025 | Hunsaker Craig E | EVP, PEOPLE & CULTURE | Sell | 200,000 | $12.34 | $2.47M | 0 |
| May 19, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 55,375 | $13.00 | $719.9K | 0 |
| May 5, 2025 | Lish Scott | CHIEF OPERATING OFFICER | Sell | 12,000 | $12.12 | $145.4K | 0 |
| Apr 22, 2025 | Koning John Todd | CHIEF FINANCIAL OFFICER | Sell | 37,500 | $10.71 | $401.6K | 0 |
| Mar 10, 2025 | Koning John Todd | CHIEF FINANCIAL OFFICER | Sell | 165,121 | $9.72 | $1.60M | 0 |
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