Karen K. McGinnis
Insider
IndividualSelling only2 10b5-1 trades
- 2025
- Jun 12, 2026
- 6
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Karen K. McGinnis 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.
- Squadron Capital Holdings LLC - $15.65M in ATEC purchases and sales in the last 12 months
- Jennifer N. Pritzker - $15.65M in ATEC purchases and sales in the last 12 months
- Quentin S. Blackford - $11.15M in IRTC purchases and sales in the last 12 months
- David R. Pelizzon - $10.36M 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
- Patrick Miles - $5.12M in ATEC purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is Karen K. McGinnis?
Karen K. McGinnis is a corporate insider of Alphatec Holdings, Inc. (ATEC). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Karen K. McGinnis last file a Form 4?
The most recent primary Form 4 on record is dated 12 June 2026, one of 6 filings going back to 2025.
Has Karen K. McGinnis been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($96K) across all tracked filings.
