Arthur W. Homan, Chief Legal Officer at Prothena Corp plc (PRTA), sold 3,125 shares at $52.14 ($163K) on 2015-11-02, disclosed to the SEC on 2015-11-04.
Scheduled sale ($163k) by Chief Legal Officer under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Negative factors outweigh the positive ones.
| Filing → |
| PRTA | BUY | 2026-10-09 | $1.8M | — | Filing → |
| PRTA | BUY | 2026-10-06 | $857K | — | Filing → |
| PRTA | BUY | 2026-09-30 | $1.4M | — | Filing → |