Arthur W. Homan, Chief Legal Officer at Prothena Corp plc (PRTA), sold 6,250 shares at $64.51 ($408K) on 2016-01-04, disclosed to the SEC on 2016-01-06.
Open-market sale of $408k 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 | $64.51 | 1,387 | $89K | 21.9% |
| 2 | $64.51 | 1,387 | $89K | 21.9% |
| 3 | $65.46 | 1,138 | $74K | 18.3% |
| 4 | $65.46 | 1,138 | $74K | 18.3% |
| 5 | $66.55 | 600 | $40K | 9.8% |
| 6 | $66.55 | 600 |
| $40K |
| 9.8% |
| Total | $65.25 avg | 6,250 | $408K | 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 → |