David Sponsel
EVP, SALES · 3 filings · Latest: Mar 11, 2026
Alphatec Holdings, Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
ATEC | David Sponsel | EVP, SALES | Mar 11, 2026 | Sale | $12.52 | 163,452 | $2.0M | 504,932 | |
ATEC | DAVID SPONSEL | — | Mar 11, 2026 | Proposed Sale | $12.51 | 163,452 | $2.0M | — | |
ATEC | David Sponsel | EVP, SALES | Feb 5, 2026 | Sale | $13.79 | 60,425 | $833.3K | 349,500 | |
ATEC | DAVID SPONSEL | — | Feb 5, 2026 | Proposed Sale | $14.06 | 60,425 | $849.6K | — | |
ATEC | DAVID SPONSEL | — | Dec 10, 2025 | Proposed Sale | $20.67 | 21,106 | $436.3K | — | |
ATEC | DAVID SPONSEL | — | Oct 24, 2025 | Proposed Sale | $15.89 | 70,000 | $1.1M | — | |
ATEC | DAVID SPONSEL | — | Sep 19, 2025 | Proposed Sale | $15.22 | 2,555 | $38.9K | — | |
ATEC | DAVID SPONSEL | — | Sep 18, 2025 | Proposed Sale | $14.70 | 137,445 | $2.0M | — | |
ATEC | DAVID SPONSEL | — | Mar 6, 2025 | Proposed Sale | $11.44 | 33,732 | $385.9K | — | |
ATEC | DAVID SPONSEL | — | Feb 25, 2025 | Proposed Sale | $10.76 | 19,419 | $208.9K | — | |
ATEC | DAVID SPONSEL | — | Feb 24, 2025 | Proposed Sale | $10.61 | 12,946 | $137.4K | — | |
ATEC | DAVID SPONSEL | — | Feb 3, 2025 | Proposed Sale | $11.79 | 36,256 | $427.5K | — | |
ATEC | DAVID SPONSEL | — | Dec 11, 2024 | Proposed Sale | $9.65 | 120,539 | $1.2M | — |