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Prothena 10% owner William P. Scully buys USD 843,460 of common shares

PRTA•2026-09-21

William P. Scully increases Prothena stake

William P. Scully, a 10% owner of Prothena, bought 100,000 ordinary shares at a weighted average $8.43.
Direct stake rose to 927,000 ordinary shares.

Indirect holdings included 83,500 shares via Manatee Equity Fund LLC, 52,000 shares held by his spouse.

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Prothena 10% owner William P. Scully buys USD 843,460 of common shares - PRTA News | Rallies