Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Ecor1 Capital, Llc
Over the trailing 90 days, Ecor1 Capital, Llc (10% Owner at Atara Biotherapeutics, Inc.) bought $4.7M of stock in ATRA, per 1 SEC Form 4 transaction.
- Role
- 10% Owner
- Companies
- ATRA
- Window
- Trailing 90 days · 1 transactions · CIK 1587114
- Net activity
- +$4.7M ($4.7M bought · $0 sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| ATRA | Atara Biotherapeutics, Inc. | 1 | $4.7M | — | $4.7M |
Transactions (1)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-05-07 | ATRA | Buy | 507.4K | $4.7M | Open market or private purchase |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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