InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
0
T+90 hit rate
0%
T+90 mean return
-27.3%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Borisy Alexis. Officer active across 8 companies, notably Blueprint Medicines Corp. In total, 25 disclosures have been recorded. History available since 2 June 2021. The latest transaction was disclosed on 18 June 2025 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations25 total
1,191 sharesCommon StockSEC:0001610717-26-000289:0
105,414 sharesCommon StockSEC:0001193125-26-271300:0
3,902 shares@ US$128.12100.0% of flowCommon StockSEC:0001415889-25-018075:0
4,248 shares0Common StockSEC:0001610717-24-000375:0
4,800 shares0Common StockSEC:0001610717-24-000360:0
2,242 shares0Common StockSEC:0001415889-24-016980:0
6,250 shares0Common StockSEC:0000950170-24-070851:0
2,091,672 sharesCommon StockSEC:0001610717-23-000355:0
18,810,000 sharesCommon StockSEC:0000899243-23-020290:0
2,600 shares0Common StockSEC:0001415889-23-010258:0
5,200 shares0Common StockSEC:0001610717-23-000135:0
5,000 shares0Common StockSEC:0000899243-23-015016:0
2,600 shares0Common StockSEC:0001415889-22-007130:0
5,200 shares0Common StockSEC:0001567619-22-013106:0
312,612 shares0Common StockSEC:0001209191-22-028956:0
312,612 shares0Common StockSEC:0001209191-22-028424:0
18,810,000 sharesCommon StockSEC:0000899243-21-049124
18,810,000 sharesCommon StockSEC:0000899243-21-049124:0
4,100 shares0Common StockSEC:0000899243-21-037336:0
4,100 shares0Common StockSEC:0000899243-21-037336
3,617 shares0Common StockSEC:0001567619-21-012587
3,617 shares0Common StockSEC:0001567619-21-012587:0
2,250 shares0Common StockSEC:0001179110-21-006415:0
2,250 shares0Common StockSEC:0001179110-21-006415
0Common StockSEC:0001179110-16-018851:0
25 of 25 declarations
About Borisy Alexis
Alexis Borisy is a director and insider at Blueprint Medicines Corp, he also holds roles in several other companies including Revolution Medicines, Inc. and Magenta Therapeutics, Inc.
