Prothena Chief Development Officer Chad Swanson resigns Oct 9 to join a strategic partner

PROTHENA CORP PUBLIC LTD CO

Chad J. Swanson, Ph.D., Chief Development Officer, notified Prothena on October 2, 2026 that he is resigning effective October 9, 2026.
Swanson is leaving to accept a position with one of the Company's strategic partners, according to the filing.
In the new role he will assume a leadership role over a program partnered with Prothena.
No successor or interim Chief Development Officer was named in the filing.

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