Net shares · 90d
-4.2M
507.4K buy · 4.7M sell
Net value · 90d
-$60.3M
$4.7M in · $65.0M out
Sentiment · 90d
Net selling
7% buying · 93% selling
Open-market trades · 90d
2
507.4K buy · 4.7M sell
Trading track record · all companies
Not enough open-market trades to chart a track record yet.
Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.
Transactions · 90d
-
ATRA Buy·P
10% Owner
$4.7M
507.4K sh · $9.35
Own +49%
-
TRAX Sell·S
10% Owner
$65.0M
4.7M sh · $13.81
Own -60%
| Date▾ | Ticker | Type | Shares | Value |
|---|---|---|---|---|
| May 7, 2026 | ATRA | Buy P | 507.4K | $4.7M |
| Apr 20, 2026 | TRAX | Sell S | 4.7M | $65.0M |
Buy Sell Non-market (grant · exercise · gift)
About EcoR1 Capital, LLC
This profile aggregates every SEC Form 4 insider transaction reported by EcoR1 Capital, LLC across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.