InsidersTradesSigma
Total declarations
Companies
▲ Purchases (40 ops.)
▼ Sales (17 ops.)
Insider track record
OtherDisclosed buys
40
Disclosed sells
17
T+90 hit rate
31%
T+90 mean return
-7.8%
Across 13 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by EcoR1 Capital, LLC. Insider active across 10 companies, notably First Tracks Biotherapeutics, Inc.. Aggregated, 67 reports have been recorded. Breakdown: 40 buys · 17 sells. Total volume traded: €386.3m. Activity tracked since 30 April 2021. The latest transaction was disclosed on 20 April 2026 (Cession). Regulator: SEC (Form 4). The full history is openly available.
Declarations67 total
4,705,575 shares@ US$13.81349.35% mcap50.0% of flowCommon StockSEC:0000935836-26-000208:0
4,705,575 shares@ US$13.81349.35% mcap50.0% of flowCommon StockSEC:0000935836-26-000208
49,502 shares@ US$11.43081.0% of flowCommon StockSEC:0000935836-25-000389:0
Ideal exit: 9 Feb 2026 (T+270)
1,658,978 shares@ US$7.4055100.0% of flowCommon StockSEC:0000935836-25-000384:0
Ideal exit: 8 Feb 2026 (T+270)
3,317,938 shares@ US$8.362128.5% of flowOrdinary SharesSEC:0000935836-25-000309:0
73,953 shares@ US$11.16371.4% of flowCommon StockSEC:0000935836-25-000292:0
Ideal exit: 11 Jan 2026 (T+270)
120,770 shares@ US$11.84212.4% of flowCommon StockSEC:0000935836-25-000266:0
Ideal exit: 29 Dec 2025 (T+270)
4,397 shares@ US$11.74850.1% of flowCommon StockSEC:0000935836-25-000259:0
Ideal exit: 26 Dec 2025 (T+270)
53,501 shares@ US$12.90541.2% of flowCommon StockSEC:0000935836-25-000253:0
Ideal exit: 20 Dec 2025 (T+270)
73,476 shares@ US$12.92781.6% of flowCommon StockSEC:0000935836-25-000245:0
Ideal exit: 15 Dec 2025 (T+270)
56,277 shares@ US$12.23351.2% of flowCommon StockSEC:0000935836-25-000239:0
Ideal exit: 12 Dec 2025 (T+270)
320,690 shares@ US$11.49356.4% of flowCommon StockSEC:0000935836-25-000225:0
Ideal exit: 6 Dec 2025 (T+270)
121,681 shares@ US$13.8853.1% of flowCommon StockSEC:0000935836-25-000074:0
Ideal exit: 13 Oct 2025 (T+270)
74,125 shares@ US$13.39461.8% of flowCommon StockSEC:0000935836-25-000067:0
Ideal exit: 10 Oct 2025 (T+270)
21,021 shares@ US$14.0730.5% of flowCommon StockSEC:0000935836-25-000048:0
Ideal exit: 5 Oct 2025 (T+270)
65,184 shares@ US$12.91823.2% of flowCommon StockSEC:0000935836-25-000008:0
Ideal exit: 26 Sept 2025 (T+270)
58,988 shares@ US$14.46611.5% of flowCommon StockSEC:0000935836-25-000007:0
Ideal exit: 26 Sept 2025 (T+270)
11,958 shares@ US$14.12410.3% of flowCommon StockSEC:0000935836-24-000785:0
Ideal exit: 20 Sept 2025 (T+270)
298,818 shares@ US$13.52897.4% of flowCommon StockSEC:0000935836-24-000780:0
Ideal exit: 15 Sept 2025 (T+270)
8,036,688 sharesCommon StockSEC:0000935836-24-000771:0
1,494,558 shares@ US$3.2759100.0% of flowCommon StockSEC:0000935836-24-000649:0
273,972 shares@ US$36.5036.4% of flowCommon StockSEC:0000935836-24-000532:0
Ideal exit: 11 May 2025 (T+270)
1,142,857 shares@ US$17.5025.2% of flowCommon StockSEC:0000895345-24-000172:0
63,412 shares@ US$13.0121.0% of flowCommon StockSEC:0000895345-24-000035:0
287,866 sharesCommon StockSEC:0000895345-24-000019:0
25 of 67 declarations
About EcoR1 Capital, LLC
EcoR1 Capital, LLC is an investor in First Tracks Biotherapeutics, Inc.
