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Insider ActivityTRAX
EcoR1 Capital, LLC, 10% Owner at First Tracks Biotherapeutics, Inc., sold $65.0M of TRAX
Updated Jun 19, 2026
EcoR1 Capital, LLC
10% Owner
First Tracks Biotherapeutics, Inc. ·
$TRAX
Transaction Details
| Insider | EcoR1 Capital, LLC |
|---|---|
| Title | 10% Owner |
| Company | First Tracks Biotherapeutics, Inc. |
| Ticker | TRAX |
| Transaction Type | Sale |
| Transaction Date | 2026-04-20 |
| Shares Traded | 4,705,575 |
| Price Per Share | $13.8134 |
| Total Value | $65.0M |
| Filed Date | 2026-04-22 |
| Accession Number | 0000935836-26-000208 |
Ownership Context
| Shares Owned After Transaction | 3,174,519 |
|---|---|
| Ownership Type | Indirect |
SEC Filing
Accession: 0000935836-26-000208
Other Insider Trades — TRAX
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Jain Rita | Insider | traded | — | 2026-06-15 |
| Jain Rita | Insider | traded | — | 2026-06-15 |
| Jain Rita | Insider | traded | — | 2026-06-15 |
| Schmid John P. | Insider | traded | — | 2026-06-15 |
| Orwin John A | Insider | traded | — | 2026-06-15 |
| Ware J. Anthony | Insider | traded | — | 2026-06-15 |
| Marquet Magda | Insider | traded | — | 2026-06-15 |
| FENTON DENNIS M | Insider | traded | — | 2026-06-15 |
| Orwin John A | Insider | traded | — | 2026-05-12 |
| Orwin John A | Insider | traded | — | 2026-05-12 |
Other Trades by EcoR1 Capital, LLC
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| ATRA | Atara Biotherapeutics, Inc. | bought | $4.7M | 2026-05-07 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for TRAX — First Tracks Biotherapeutics, Inc. →
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 19, 2026 at 07:18 UTC