InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (5 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
5
T+90 hit rate
29%
T+90 mean return
-16.8%
Across 7 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the full record of transactions filed by Ramasastry Saira, Director. Insider active across 4 companies, notably Vir Biotechnology, Inc.. Cumulatively, 22 disclosures have been published. Split: 0 buy · 5 sells. Total volume traded: €642k. History available since 19 May 2021. The latest transaction was filed on 15 April 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Declarations22 total
40,485 sharesCommon StockSEC:0001547959-26-000008:0
2,000 shares@ US$23.510.0006% mcap14.8% of flowCommon StockSEC:0001547959-26-000007:0
2,000 shares@ US$96.900.0024% mcap61.0% of flowCommon StockSEC:0001547959-26-000007:1
2,000 shares@ US$23.517.6% of flowCommon StockSEC:0001547959-26-000006:0
2,000 shares@ US$23.51Common StockSEC:0001547959-26-000002:0
5,000 shares@ US$23.519.8% of flowCommon StockSEC:0001547959-25-000008:0
2,000 shares@ US$23.514.4% of flowCommon StockSEC:0001547959-25-000007:0
17,000 shares@ US$23.5138.6% of flowCommon StockSEC:0001415889-25-024128:0
5,703 shares@ US$46.202346.1% of flowCommon StockSEC:0001415889-25-015570:0
8,000 shares0Common StockSEC:0001628280-25-028898:0
5,703 sharesCommon StockSEC:0001415889-25-015306:0
10,000 shares@ US$13.1877100.0% of flowCommon StockSEC:0001415889-24-017877:0
4,000 shares@ US$10.947310.3% of flowCommon StockSEC:0001628280-24-027760:0
5,000 shares@ US$14.12100.0% of flowCommon StockSEC:0001415889-24-016064:0
8,000 shares0Common StockSEC:0001628280-24-026215:0
3,500 shares@ US$25.6721.0% of flowCommon StockSEC:0001209191-23-033550:0
6,027 shares0Common StockSEC:0001209191-23-031848:0
5,000 shares@ US$12.7616.0% of flowCommon StockSEC:0001209191-22-042039:0
6,405 shares0Common StockSEC:0001209191-22-031948:0
12,500 shares0Common StockSEC:0001209191-22-014153:0
3,374 shares0Common StockSEC:0001209191-21-035715:0
10,000 shares@ US$12.760.012% mcap50.0% of flowCommon StockSEC:0001209191-21-034668:0
22 of 22 declarations
About Ramasastry Saira
Saira Ramasastry is a Board Member of Vir Biotechnology, Inc. and SANGAMO THERAPEUTICS, INC. She plays a key role in overseeing operations and developing strategies to enhance the performance of the companies. Her expertise in the biopharmaceutical sector is an asset to the board.
