David Sponsel sold $2.1M of ATEC
EVP, SALES at Alphatec Holdings, Inc.. 140,000 shares at an average of $15.09, traded Sep 18, 2025, filed Sep 19, 2025.
Score components
- +15RoleOfficer
- +25Trade size$2.1M at market
- +5Share of holdings soldSold 21% of holdings
- +8Cluster2 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001772837-25-000003, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 18, 2025 | SOpen-market sale Common Stock10b5-1 | -137,445 | $15.09 | $2.1M | 534,416 | Sep 19, 2025 |
| Sep 19, 2025 | SOpen-market sale Common Stock10b5-1 | -2,555 | $15.34 | $39k | 531,861 | Sep 19, 2025 |
Related signals
Other insiders at Alphatec Holdings, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 58Moderate | ATECbuy Alphatec Holdings, Inc. | Patrick Miles CEO | $1.0M 115,000 shares | +2% | |
| 55Moderate | Alphatec Holdings, Inc. | Mortimer Berkowitz III director | $998k 62,500 shares | -9% | |
| 45Moderate | Alphatec Holdings, Inc. | Patrick Miles CEO | $4.7M 300,000 shares | -5% | |
| 18Weak | Alphatec Holdings, Inc. | Scott Lish CHIEF OPERATING OFFICER | $101k 6,323 shares | -1% | |
| 26Weak | Alphatec Holdings, Inc. | Scott Lish CHIEF OPERATING OFFICER | $149k 9,302 shares | -1% | |
| 34Weak | Alphatec Holdings, Inc. | Craig E Hunsaker EVP, PEOPLE & CULTURE | $917k 60,876 shares | -4% | |
| 26Weak | Alphatec Holdings, Inc. | Tyson Eliot Marshall GENERAL COUNSEL & CORP. SEC. | $424k 30,970 shares | -7% | |
| 39Weak | Alphatec Holdings, Inc. | Scott Lish CHIEF OPERATING OFFICER | $952k 70,604 shares | -9% | |
| 15Weak | Alphatec Holdings, Inc. | Scott Lish CHIEF OPERATING OFFICER | $48k 3,982 shares | -1% | |
| 3Weak | Alphatec Holdings, Inc. | Tyson Eliot Marshall GENERAL COUNSEL & CORP. SEC. | $18k 1,500 shares | -0% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.