John Todd Koning
CHIEF FINANCIAL OFFICER · Alphatec Holdings, Inc.
- 2025
- Mar 17, 2026
- 4
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John Todd Koning 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
- David Sponsel - $4.01M in ATEC purchases and sales in the last 12 months
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Frequently asked questions
Who is John Todd Koning?
John Todd Koning is a corporate insider, tracked as CHIEF FINANCIAL OFFICER of Alphatec Holdings, Inc. (ATEC). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John Todd Koning last file a Form 4?
The most recent primary Form 4 on record is dated 17 March 2026, one of 4 filings going back to 2025.
Has John Todd Koning been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($986K) across all tracked filings.
