EcoR1 Capital, LLC, 10% Owner at PROTHENA CORP PUBLIC LTD CO (PRTA), sold 12,559,368 shares at $8.36 ($101.7M) on 2025-05-02, disclosed to the SEC on 2025-05-06.
Open-market sale of $101.7M PRTA by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $8.36 | 3,317,938 | $27.7M | 27.3% |
| 2 | $8.36 | 3,317,938 | $27.7M | 27.3% |
| 3 | $8.11 | 977,693 | $7.9M | 7.8% |
| 4 | $8.11 | 977,693 | $7.9M | 7.8% |
| 5 | $7.64 | 1,984,053 | $15.2M | 14.9% |
| 6 | $7.64 | 1,984,053 |
| $15.2M |
| 14.9% |
| Total | $8.09 avg | 12,559,368 | $101.7M | 100% |
| Filing → |
| AKTS | BUY | 2026-01-12 | $40.0M | — | Filing → |
| ADAP | SELL | 2025-07-30 | $13.2M | — | Filing → |
| ZYME | BUY | 2025-05-19 | $1.3M | — | Filing → |