MarketPeel
Insider Trading Intelligence
SR

Saira Ramasastry

VIR
DIRECTOR · VIR BIOTECHNOLOGY, INC. · CIK 0001547959
FILING MIX · LIFETIME52%/48%
BUYS
53
SELLS
48
TOTAL VALUE
$4.61M
COMPANIES
4
ACTIVE SINCE
May 2020
HOLDINGS NOW
44,772
AVG SELL PX
$44.02
TRADE KIND
SHOWING 101 / 101
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
18 backtested trades · 8 horizons · 23 pending
Forward-return performance of every backtestable P/S trade by Saira Ramasastry, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d18+38.89%+3.42%+1.10%+2.32%+1.02%
14d18+44.44%+3.05%+1.48%+1.57%-0.36%
30d18+22.22%+8.91%+2.72%+6.19%+6.50%
60d18+33.33%+6.91%+3.05%+3.85%+1.39%
90d18(1 pending)+35.29%+8.44%+3.92%+4.52%-0.18%
180d18(4 pending)+42.86%+12.91%+10.08%+2.83%+11.93%
1y18(8 pending)+60.00%+3.22%+13.46%-36.90%-52.07%
2y18(10 pending)+85.71%-11.46%+32.38%-43.16%-80.82%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
VIR · 16,000 shares · as of May 30, 2025
011,94423,88935,83347,77720212022202320242025SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 53 buys / 48 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
3,7723,772Jun 15, 2026Jun 17, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
1,9801,980Jun 15, 2026Jun 17, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
3,977$100.00$397.7K0Jun 1, 2026Jun 2, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
3,9773,977May 29, 2026Jun 2, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
3,9770May 29, 2026Jun 2, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
2,000$109.47$218.9K0May 15, 2026May 18, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
2,0000May 15, 2026May 18, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
2,000$23.51$47.0K2,000May 15, 2026May 18, 2026View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
28,7000Apr 23, 2026Apr 23, 2026View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
32,3350Apr 23, 2026Apr 23, 2026View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
40,4850Apr 23, 2026Apr 23, 2026View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
40,0000Apr 23, 2026Apr 23, 2026View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
15,0000Apr 23, 2026Apr 23, 2026View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
22,5000Apr 23, 2026Apr 23, 2026View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
37,5000Apr 23, 2026Apr 23, 2026View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
47,5810Apr 23, 2026Apr 23, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
2,000$96.90$193.8K0Apr 15, 2026Apr 16, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
2,0002,000Apr 15, 2026Apr 16, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
2,000$23.51$47.0K2,000Apr 15, 2026Apr 16, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
2,000$23.51$47.0K2,000Mar 16, 2026Mar 17, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
2,000$90.76$181.5K0Mar 16, 2026Mar 17, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
2,0004,000Mar 16, 2026Mar 17, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
2,000$102.09$204.2K0Feb 13, 2026Feb 17, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
2,0006,000Feb 13, 2026Feb 17, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
2,000$23.51$47.0K2,000Feb 13, 2026Feb 17, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
2,000$23.51$47.0K2,000Jan 15, 2026Jan 15, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
2,000$90.99$182.0K0Jan 15, 2026Jan 15, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
2,0008,000Jan 15, 2026Jan 15, 2026View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
5,00010,000Dec 22, 2025Dec 23, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
5,000$23.51$117.5K5,000Dec 22, 2025Dec 23, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
5,000$80.00$400.0K0Dec 22, 2025Dec 23, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
1,000$70.00$70.0K0Dec 18, 2025Dec 19, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
1,000$69.46$69.5K1,000Dec 18, 2025Dec 19, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
2,00015,000Dec 18, 2025Dec 19, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
2,000$23.51$47.0K2,000Dec 18, 2025Dec 19, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
47,58147,581Nov 6, 2025Nov 7, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
40,00040,000Nov 6, 2025Nov 7, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
37,50037,500Nov 6, 2025Nov 7, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
40,0000Nov 6, 2025Nov 7, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
37,5000Nov 6, 2025Nov 7, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
32,33532,335Nov 6, 2025Nov 7, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
47,5810Nov 6, 2025Nov 7, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
28,7000Nov 6, 2025Nov 7, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
28,70028,700Nov 6, 2025Nov 7, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
32,3350Nov 6, 2025Nov 7, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
17,000$23.51$399.7K17,000Sep 8, 2025Sep 10, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
17,0000Sep 8, 2025Sep 10, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
17,00017,000Sep 8, 2025Sep 10, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
2,500$45.74$114.4K0Jun 3, 2025Jun 4, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
2,5000Jun 3, 2025Jun 4, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
2,500$14.12$35.3K2,500Jun 3, 2025Jun 4, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
5,703$46.20$263.5K0Jun 2, 2025Jun 4, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
15,00015,000Jun 2, 2025Jun 4, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
22,50022,500Jun 2, 2025Jun 4, 2025View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
8,00022,619May 30, 2025Jun 2, 2025View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
16,00016,000May 30, 2025Jun 2, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
5,7035,703May 29, 2025Jun 2, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
6,2686,268May 29, 2025Jun 2, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
3,9773,977May 29, 2025Jun 2, 2025View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
5,7030May 29, 2025Jun 2, 2025View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
SALE
10,000$13.19$131.9K40,485Jun 21, 2024Jun 21, 2024View →
VIR
VIR BIOTECHNOLOGY, INC.
SALE
4,000$10.95$43.8K14,619Jun 11, 2024Jun 11, 2024View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
8,7798,779Jun 5, 2024Jun 7, 2024View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
5,7035,703Jun 5, 2024Jun 7, 2024View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
5,000$25.68$128.4K0Jun 5, 2024Jun 7, 2024View →
MIRM
MIRUM PHARMACEUTICALS, INC.
SALE
5,0002,500Jun 5, 2024Jun 7, 2024View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASE
5,000$14.12$70.6K5,000Jun 5, 2024Jun 7, 2024View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
8,00018,619May 30, 2024Jun 3, 2024View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
16,00016,000May 30, 2024Jun 3, 2024View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
32,33532,335May 23, 2024May 28, 2024View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
37,50037,500Jun 22, 2023Jun 26, 2023View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
17,00017,000Jun 12, 2023Jun 14, 2023View →
VIR
VIR BIOTECHNOLOGY, INC.
SALE10b5-1
10b5-1 plan
3,500$25.67$89.8K10,619Jun 1, 2023Jun 2, 2023View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
6,02714,119May 22, 2023May 24, 2023View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
12,05412,054May 22, 2023May 24, 2023View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
5,000$12.76$63.8K13,092Jul 11, 2022Jul 12, 2022View →
VIR
VIR BIOTECHNOLOGY, INC.
SALE
5,000$30.00$150.0K8,092Jul 11, 2022Jul 12, 2022View →
VIR
VIR BIOTECHNOLOGY, INC.
SALE
5,00042,777Jul 11, 2022Jul 12, 2022View →
DAWN
DAY ONE BIOPHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
28,70028,700Jun 21, 2022Jun 23, 2022View →
MIRM
MIRUM PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
34,00034,000Jun 2, 2022Jun 6, 2022View →
VIR
VIR BIOTECHNOLOGY, INC.
SALE
1,687$23.82$40.2K8,092May 24, 2022May 25, 2022View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
6,4059,779May 23, 2022May 25, 2022View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
12,81012,810May 23, 2022May 25, 2022View →
SGMO
SANGAMO THERAPEUTICS, INC
PURCHASEGRANT
Stock grant
12,50035,700Feb 25, 2022Mar 1, 2022View →
SGMO
SANGAMO THERAPEUTICS, INC
PURCHASEGRANT
Stock grant
25,00025,000Feb 25, 2022Mar 1, 2022View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
6,7486,748May 21, 2021May 25, 2021View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
3,3743,374May 21, 2021May 25, 2021View →
VIR
VIR BIOTECHNOLOGY, INC.
SALE
10,000$43.73$437.3K0May 19, 2021May 20, 2021View →
VIR
VIR BIOTECHNOLOGY, INC.
SALE
10,00047,777May 19, 2021May 20, 2021View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASE
10,000$12.76$127.6K10,000May 19, 2021May 20, 2021View →
SGMO
SANGAMO THERAPEUTICS, INC
PURCHASEGRANT
Stock grant
8,20023,200Feb 25, 2021Mar 1, 2021View →
SGMO
SANGAMO THERAPEUTICS, INC
PURCHASEGRANT
Stock grant
16,40016,400Feb 25, 2021Mar 1, 2021View →
SGMO
SANGAMO THERAPEUTICS, INC
PURCHASE
10,000$5.99$59.9K25,000Dec 17, 2020Dec 18, 2020View →
SGMO
SANGAMO THERAPEUTICS, INC
SALE
10,0000Dec 17, 2020Dec 18, 2020View →
SGMO
SANGAMO THERAPEUTICS, INC
SALE
10,000$13.27$132.7K15,000Dec 17, 2020Dec 18, 2020View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
28,88828,888May 21, 2020May 22, 2020View →
VIR
VIR BIOTECHNOLOGY, INC.
PURCHASEGRANT
Stock grant
24,49724,497May 21, 2020Oct 13, 2020View →
SGMO
SANGAMO THERAPEUTICS, INC
PURCHASEGRANT
Stock grant
15,00015,000May 18, 2020May 20, 2020View →
SGMO
SANGAMO THERAPEUTICS, INC
PURCHASEGRANT
Stock grant
2,5007,500May 18, 2020May 20, 2020View →
SGMO
SANGAMO THERAPEUTICS, INC
PURCHASEGRANT
Stock grant
20,00020,000May 18, 2020Jun 3, 2020View →
SGMO
SANGAMO THERAPEUTICS, INC
PURCHASEGRANT
Stock grant
10,00015,000May 18, 2020Jun 3, 2020View →
Other insiders · VIR
Loading peer insiders…
About this filer
CIK 0001547959
ROLE
Director
PRIMARY
VIR
COMPANIES
4
ACTIVE SINCE
May 2020
MARKETPEEL · /INSIDER/0001547959DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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