Who
Panacea Innovation Ltd
10% owner
Company insider
Files Form 4 as: 10% owner, Atara Biotherapeutics.
In numbers
- Trades disclosed
- 13
- Buys
- 1
- Sells
- 2
- Bought
- $670K
- Sold
- $6.8M
- Companies
- 1
- Companies where not an officer
- 1
- First trade
- 15 Aug 2025
- Last trade
- 7 May 2026
- Last filed
- 11 May 2026
Companies traded
Activity over time
1 Aug 2025 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 7 May 2026filed 11 May 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $3.2M313,446 at $10.10 | filing |
| 7 May 2026filed 11 May 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $3.2M313,446 at $10.10 | filing |
| 17 Mar 2026filed 19 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Code M | $26259,163 at $0.0001 | filing |
| 17 Mar 2026filed 19 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Code F | $265 at $5.23 | filing |
| 17 Mar 2026filed 19 Mar 2026 | ATRA Atara Biotherapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code M | $1.7M259,163 at $6.61 | filing |
| 17 Mar 2026filed 19 Mar 2026 | ATRA Atara Biotherapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code M | $1.7M259,163 at $6.61 | filing |
| 17 Mar 2026filed 19 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Code M | —259,163 at $0.00 | filing |
| 17 Mar 2026filed 19 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Code F | $265 at $5.23 | filing |
| 12 Jan 2026filed 14 Jan 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $489K80,554 at $6.07 | filing |
| 28 Nov 2025filed 1 Dec 2025 | ATRA Atara Biotherapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code M | $322K48,737 at $6.61 | filing |
| 28 Nov 2025filed 1 Dec 2025 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Code M | —48,737 at $0.00 | filing |
| 28 Nov 2025filed 1 Dec 2025 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Code F | $141 at $14.03 | filing |
| 15 Aug 2025filed 19 Aug 2025 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Bought | $670K55,000 at $12.19 | filing |
News
No headline names them, or the companies they trade most, lately.