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Sponsel David
InsiderCIK 0001772837
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 6
- Buy transactions
- 0
- Sell transactions
- 5
- Companies
- 1
- Active
- 2025–2026
Sponsel David has filed 6 SEC reports (2025–2026), all concentrated in Alphatec Holdings, Inc. (ATEC), totaling $5.3M in disclosed volume. Weighing $0 bought versus $5.3M sold, the history is heavily weighted toward selling. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
6 loaded
| Mar 13 | ATEC Alphatec Holdings, Inc. | Sponsel David | Insider | Sell | $2.0M |
| Feb 27 | ATEC Alphatec Holdings, Inc. | Sponsel David | Insider | Grant | $0 |
| Dec 10 | ATEC Alphatec Holdings, Inc. | Sponsel David | Insider | Sell | $21.2K |
| Oct 28 | ATEC Alphatec Holdings, Inc. | Sponsel David | Insider | Sell | $1.1M |
| Sep 19 | ATEC Alphatec Holdings, Inc. | Sponsel David | Insider | Sell | $2.1M |
| Aug 7 | ATEC Alphatec Holdings, Inc. | Sponsel David | Insider | Tax withheld | $15.1K |
6 filings