Atara Biotherapeutics, Inc. · NASDAQ:ATRA
EcoR1 Capital, LLC bought 507,407 Atara Biotherapeutics, Inc. shares (Form 4)
Traded May 7, 2026 · Filed May 11, 2026
On May 7, 2026, EcoR1 Capital, LLC (10% owner) bought 507,407 Atara Biotherapeutics, Inc. shares at US$9.35 for US$4.74M, leaving 1,552,000 shares. Filed May 11, 2026 (Form 4).
- Bought
- 507,407 shares
- Price
- US$9.35
- Value
- US$4.74M
- Holding after
- 1,552,000 shares (held indirectly)
- Trading plan
- No
- Role
- 10% owner
The filing in full
| Date | Security | Transaction | Shares | Price | Holding after | Ownership |
|---|---|---|---|---|---|---|
| May 7, 2026 | Common Stock | Buy | 507,407 | US$9.35 | 1,552,000 | Indirect |
Source
Related
- Atara Biotherapeutics, Inc.
- EcoR1 Capital, LLC
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