Arthur W. Homan, Chief Legal Officer at Prothena Corp plc (PRTA), sold 18,750 shares at $52.14 ($978K) on 2016-07-20, disclosed to the SEC on 2016-07-22.
Open-market sale of $978k PRTA by Chief Legal Officer. 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 | $52.14 | 9,375 | $489K | 50.0% |
| 2 | $52.14 | 9,375 | $489K | 50.0% |
| Total | $52.14 avg | 18,750 | $978K | 100% |
| Filing → |
| PRTA | BUY | 2026-10-09 | $1.8M | — | Filing → |
| PRTA | BUY | 2026-10-06 | $857K | — | Filing → |
| PRTA | BUY | 2026-09-30 | $1.4M | — | Filing → |