Summary
Updated Aug 30, 2026
Percy H. Carter is Chief Scientific Officer of Blueprint Medicines Corp (BPMC). 2 SEC Form 4 filings on record, most recently on 17 July 2025. Most recent open-market trade: sold $135K of BPMC on 3 July 2025. Lifetime open-market sales: $135K.
Recent Transactions
4Every recent SEC Form 4 transaction Percy H. Carter has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Percy H. Carter. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Lonnel Coats - $1.87M of BPMC open-market activity on record
- Jeffrey W. Albers - $1.86M of BPMC open-market activity on record
- Christina Rossi - $585K of BPMC open-market activity on record
- Fouad Namouni - $324K of BPMC open-market activity on record
- Kate Haviland - $227K of BPMC open-market activity on record
- Ariel Hurley - $170K of BPMC open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Percy H. Carter?
Percy H. Carter is a corporate insider, tracked as Chief Scientific Officer of Blueprint Medicines Corp (BPMC). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Percy H. Carter last file a Form 4?
The most recent primary Form 4 on record is dated 17 July 2025, one of 2 filings going back to 2025.
Has Percy H. Carter been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($135K) across all tracked filings.
Where can I see all of Percy H. Carter's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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