David Sponsel, EVP, SALES at Alphatec Holdings, Inc. (ATEC), sold 988 shares at $21.45 ($21K) on 2025-12-08, disclosed to the SEC on 2025-12-10.
Seasonal sale ($21k) by EVP, SALES — this insider has traded ATEC in December in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| ATEC | SELL | 2025-12-12 | $878K | — | Filing → |
| ATEC | SELL | 2025-10-28 | $1.1M | — | Filing → |
| ATEC | SELL | 2025-09-19 | $4.2M | — | Filing → |