Arthur W. Homan, Chief Legal Officer at Prothena Corp plc (PRTA), sold 5,837 shares at $52.15 ($305K) on 2017-01-03, disclosed to the SEC on 2017-01-05.
Open-market sale of $305k 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 | $52.15 | 413 | $22K | 7.1% |
| 2 | $52.27 | 2,712 | $142K | 46.5% |
| 3 | $52.27 | 2,712 | $142K | 46.5% |
| Total | $52.26 avg | 5,837 | $305K | 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 → |