Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John Greene 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.
- Kathy J. Warden - $14.18M in NOC purchases and sales in the last 12 months
- Samarth Kulkarni - $10.47M in CRSP purchases and sales in the last 12 months
- Raju Prasad - $5.10M in CRSP purchases and sales in the last 12 months
- Roshan S. Roeder - $1.86M in NOC purchases and sales in the last 12 months
- Benjamin R. Davies - $1.58M in NOC purchases and sales in the last 12 months
- Kathryn G. Simpson - $1.34M in NOC purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is John Greene?
John Greene is a corporate insider of CRISPR Therapeutics AG (CRSP). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did John Greene last file a Form 4?
The most recent primary Form 4 on record is dated 9 June 2026, one of 3 filings going back to 2024.
