David Sponsel
EVP, SALES · Alphatec Holdings, Inc.
- 2024
- Mar 13, 2026
- 7
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies David Sponsel files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Jennifer N. Pritzker - $15.65M in ATEC purchases and sales in the last 12 months
- Squadron Capital Holdings LLC - $15.65M in ATEC purchases and sales in the last 12 months
- Squadron Capital LLC - $10.36M in ATEC purchases and sales in the last 12 months
- David R. Pelizzon - $10.36M in ATEC purchases and sales in the last 12 months
- Patrick Miles - $5.12M in ATEC purchases and sales in the last 12 months
- Craig E. Hunsaker - $3.99M in ATEC purchases and sales in the last 12 months
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Frequently asked questions
Who is David Sponsel?
David Sponsel is a corporate insider, tracked as EVP, SALES of Alphatec Holdings, Inc. (ATEC). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did David Sponsel last file a Form 4?
The most recent primary Form 4 on record is dated 13 March 2026, one of 7 filings going back to 2024.
Has David Sponsel been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($6.73M) across all tracked filings.
