Cooke Shane 4

What Happened

• Shane Cooke, a director of Prothena Corp. (PRTA), received a derivative award on 2026-05-15 covering 27,000 shares. The Form 4 reports an acquisition-type grant at $0.00, indicating an option/award grant rather than a cash purchase or sale. No exercise or sale occurred in this transaction.

Key Details

• Transaction date and price: 2026-05-15; reported price $0.00 (derivative award).
• Shares acquired: 27,000 (derivative security / option award).
• Shares owned after transaction: not specified in the supplied filing excerpt.
• Vesting footnote: the option will vest and become exercisable 100% on the earlier of the first anniversary of the grant date or the Issuer’s 2027 annual general meeting, subject to continuous service as a director.
• Timeliness: filing date equals report period (2026-05-15); no late filing indicated in provided info.

Context

• This was an award of a derivative security (an option), not an immediate purchase or sale of stock — no shares were exercised or sold as part of this filing. Such grants are common director compensation and do not on their own signal buying or selling intent.