Over the past 12 months, 15 insiders at Alphatec Holdings, Inc. filed 60 open-market SEC Form 4 transactions on ATEC: 3 purchases worth $996K and 57 sales worth $107.5M. Insiders have been net sellers over this period. The most recent filing was on Jun 11, 26.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 11, 26 | Karen K McGinnis | SELL | 6.0K | $8.01 | $48K |
| May 11, 26 | Keith Valentine | BUY | 35.0K | $7.00 | $245K |
| May 8, 26 | Keith Valentine | BUY | 43.8K | $7.54 | $331K |
| May 7, 26 | Keith Valentine | BUY | 56.2K | $7.49 | $421K |
| Mar 13, 26 | John Todd KoningCHIEF FINANCIAL OFFICER | SELL | 79.8K | $12.36 | $986K |
| Mar 13, 26 | Scott LishCHIEF OPERATING OFFICER | SELL | 260.5K | $12.30 | $3.2M |
| Mar 11, 26 | David SponselEVP, SALES | SELL | 163.5K | $12.52 | $2.0M |
| Mar 9, 26 | Craig E HunsakerEVP, PEOPLE & CULTURE | SELL | 82.8K | $12.45 | $1.0M |
| Mar 6, 26 | Craig E HunsakerEVP, PEOPLE & CULTURE | SELL | 33.6K | $12.22 | $411K |
| Mar 5, 26 | Tyson Eliot MarshallGENERAL COUNSEL & CORP. SEC. | SELL | 88.8K | $12.49 | $1.1M |
| Feb 5, 26 | David SponselEVP, SALES | SELL | 60.4K | $13.79 | $833K |
| Feb 3, 26 | Craig E HunsakerEVP, PEOPLE & CULTURE | SELL | 37.4K | $14.71 | $550K |
| Jan 5, 26 | Patrick MilesCEO | SELL | 100.0K | $21.01 | $2.1M |
| Dec 16, 25 | Scott LishCHIEF OPERATING OFFICER | SELL | 19.9K | $19.64 | $391K |
| Dec 16, 25 | David R PelizzonDirector | SELL | 250.0K | $19.66 | $4.9M |
| Dec 11, 25 | David M DemskiDirector | SELL | 30.0K | $21.20 | $636K |
| Dec 10, 25 | Craig E HunsakerEVP, PEOPLE & CULTURE | SELL | 32.6K | $20.84 | $679K |
| Dec 10, 25 | David SponselEVP, SALES | SELL | 21.1K | $20.79 | $439K |
| Dec 9, 25 | David R PelizzonDirector,TenPercentOwner | SELL | 28.8K | $21.03 | $606K |
| Dec 9, 25 | Jennifer N. PritzkerTenPercentOwner | SELL | 28.8K | $21.03 | $606K |
| Dec 9, 25 | Squadron Capital Holdings LlcTenPercentOwner | SELL | 28.8K | $21.03 | $606K |
| Dec 9, 25 | Squadron Capital LlcTenPercentOwner | SELL | 28.8K | $21.03 | $606K |
| Dec 8, 25 | David R PelizzonDirector,TenPercentOwner | SELL | 221.2K | $21.20 | $4.7M |
| Dec 8, 25 | Jennifer N. PritzkerTenPercentOwner | SELL | 221.2K | $21.20 | $4.7M |
| Dec 8, 25 | David SponselEVP, SALES | SELL | 988 | $21.45 | $21K |
| Dec 8, 25 | Squadron Capital Holdings LlcTenPercentOwner | SELL | 221.2K | $21.20 | $4.7M |
| Dec 8, 25 | Squadron Capital LlcTenPercentOwner | SELL | 221.2K | $21.20 | $4.7M |
| Dec 5, 25 | Scott LishCHIEF OPERATING OFFICER | SELL | 10.9K | $21.47 | $233K |
| Dec 5, 25 | Tyson Eliot MarshallGENERAL COUNSEL & CORP. SEC. | SELL | 13.0K | $21.48 | $278K |
| Dec 1, 25 | Patrick MilesCEO | SELL | 100.0K | $22.11 | $2.2M |
| Nov 24, 25 | David R PelizzonDirector,TenPercentOwner | SELL | 250.0K | $20.62 | $5.2M |
| Nov 24, 25 | Jennifer N. PritzkerTenPercentOwner | SELL | 250.0K | $20.62 | $5.2M |
| Nov 24, 25 | Squadron Capital Holdings LlcTenPercentOwner | SELL | 250.0K | $20.62 | $5.2M |
| Nov 24, 25 | Squadron Capital LlcTenPercentOwner | SELL | 250.0K | $20.62 | $5.2M |
| Nov 20, 25 | Scott LishCHIEF OPERATING OFFICER | SELL | 25.0K | $19.80 | $495K |
| Nov 20, 25 | Tyson Eliot MarshallGENERAL COUNSEL & CORP. SEC. | SELL | 70.0K | $19.51 | $1.4M |
| Nov 12, 25 | David R PelizzonDirector,TenPercentOwner | SELL | 250.0K | $20.80 | $5.2M |
| Nov 12, 25 | Jennifer N. PritzkerTenPercentOwner | SELL | 250.0K | $20.80 | $5.2M |
| Nov 12, 25 | Squadron Capital Holdings LlcTenPercentOwner | SELL | 250.0K | $20.80 | $5.2M |
| Nov 12, 25 | Squadron Capital LlcTenPercentOwner | SELL | 250.0K | $20.80 | $5.2M |
| Nov 3, 25 | Patrick MilesCEO | SELL | 100.0K | $18.96 | $1.9M |
| Nov 3, 25 | Jeffrey P RydinDirector | SELL | 200.0K | $19.32 | $3.9M |
| Oct 31, 25 | Craig E HunsakerEVP, PEOPLE & CULTURE | SELL | 100.0K | $19.95 | $2.0M |
| Oct 24, 25 | David SponselEVP, SALES | SELL | 70.0K | $16.18 | $1.1M |
| Oct 1, 25 | Patrick MilesCEO | SELL | 100.0K | $13.96 | $1.4M |
| Sep 19, 25 | David SponselEVP, SALES | SELL | 2.6K | $15.34 | $39K |
| Sep 18, 25 | David SponselEVP, SALES | SELL | 137.4K | $15.09 | $2.1M |
| Sep 9, 25 | Mortimer Berkowitz IIIDirector | SELL | 62.5K | $15.97 | $998K |
| Sep 2, 25 | Patrick MilesCEO | SELL | 300.0K | $15.73 | $4.7M |
| Aug 21, 25 | Scott LishCHIEF OPERATING OFFICER | SELL | 6.3K | $16.01 | $101K |
Over the past 12 months, insiders at Alphatec Holdings, Inc. filed 3 open-market purchases worth $996K and 57 sales worth $107.5M on ATEC, which makes them net sellers over the period. The most recent Form 4 was filed on Jun 11, 26.
The largest recent open-market ATEC insider purchase in our data was $421K by Keith Valentine, filed on May 7, 26.
15 different insiders at Alphatec Holdings, Inc. filed open-market SEC Form 4 transactions on ATEC over the last 12 months.
InsiderTape plots every ATEC insider buy and sell directly on the price chart and flags new SEC Form 4 filings as they arrive, with cluster detection and buy/sell pressure. The data updates daily from SEC EDGAR.
InsiderTape plots every Alphatec Holdings, Inc. insider buy and sell on the price chart, with buy/sell pressure, cluster detection, and alerts the moment new Form 4s hit. Start a free 7-day trial, cancel anytime.
Does it work? In five years of data, insider clusters beat the Russell 2000 about 60% of the time and the CFO's buy was the sharpest signal of all. See the backtest →
START FREE TRIAL →