Insiders who have reported open-market trades at the same companies as Jeffrey Stuart Peters. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Jeffrey Stuart Peters is a corporate insider, tracked as Senior VP, GC, and Secretary of MACROGENICS INC (MGNX). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jeffrey Stuart Peters submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jeffrey Stuart Peters been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($129K) across all tracked filings.
Jeffrey Stuart Peters is Senior VP, GC, and Secretary of MACROGENICS INC (MGNX). 4 SEC Form 4 filings on record going back to 2025, most recently on 20 August 2026. Most recent open-market trade: sold $129K of MGNX on 20 August 2026. Lifetime open-market sales: $129K.
Recent transactions
7
The latest 7 SEC Form 4 transactions reported by Jeffrey Stuart Peters.
InsiderAlpha's records for Jeffrey Stuart Peters go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. 1 recorded transaction carries a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
