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AI brief of an SEC Form 8-K · PROTHENA CORP PUBLIC LTD CO (PRTA)

Prothena Announces Chief Development Officer Chad Swanson's Resignation Effective Oct. 9

Neutral Impact 3 of 5 leadership Written later

Prothena disclosed that Chief Development Officer Chad J. Swanson, Ph.D., notified the company on October 2, 2026, that he is resigning effective October 9, 2026. He is leaving to join one of Prothena's strategic partners, where he will lead a program partnered with the company.

Key points

  • Chad J. Swanson, Ph.D., Chief Development Officer, resigns effective October 9, 2026.
  • Notice of resignation was given to the company on October 2, 2026.
  • Swanson is joining a strategic partner and will lead a program partnered with Prothena.
  • The filing does not state a successor or interim arrangement.

The filing

CompanyPROTHENA CORP PUBLIC LTD CO (PRTA)
Form8-K, current report
Filed with the SECOct 2, 2026, 4:17 PM ET
Accession number0001559053-26-000024

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 8:38 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on October 02, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.