John L. Green
Chief Financial Officer · Cogent Biosciences, Inc.
- 2025
- Dec 30, 2025
- 2
Summary
Latest filing:
John L. Green is Chief Financial Officer of Cogent Biosciences, Inc. (COGT). 2 SEC Form 4 filings on record, most recently on 30 December 2025. Most recent open-market trade: sold $2.98M of COGT on 30 December 2025. Lifetime open-market sales: $2.98M.
Recent transactions
4The latest 4 SEC Form 4 transactions reported by John L. Green.
Trading pattern
InsiderAlpha's records for John L. Green go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John L. Green 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.
- Fairmount Funds Management LLC - $370.02M in COGT purchases and sales in the last 12 months
- John Edward Robinson - $3.49M in COGT purchases and sales in the last 12 months
- Jessica Sachs - $3.20M in COGT purchases and sales in the last 12 months
- Evan Kearns - $2.52M in COGT purchases and sales in the last 12 months
- Arlene Morris - $1.69M in COGT 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 L. Green?
John L. Green is a corporate insider, tracked as Chief Financial Officer of Cogent Biosciences, Inc. (COGT). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John L. Green last file a Form 4?
The most recent primary Form 4 on record is dated 30 December 2025, one of 2 filings going back to 2025.
Has John L. Green been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($2.98M) across all tracked filings.