Arthur W. Homan, Chief Legal Officer at Prothena Corp plc (PRTA), sold 2,712 shares at $52.27 ($142K) on 2017-01-04, disclosed to the SEC on 2017-01-05.
Open-market sale of $142k 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.
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| PRTA | BUY | 2026-10-09 | $1.8M | — | Filing → |
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| PRTA | BUY | 2026-09-30 | $1.4M | — | Filing → |