Chad J. Swanson - Chief Development Officer at PROTHENA CORP PUBLIC LTD CO

Issuer-level insider activity

Role: Chief Development Officer
Issuer ticker: PRTA on Nasdaq
Entity type: Individual
Source filing history: Open source filing history

No buys or sells have been reported by Chad J. Swanson since 12 Aug 2025

Reported holdings for Chad J. Swanson in PROTHENA CORP PUBLIC LTD CO

Form 4 holding Chief Development Officer

PROTHENA CORP PUBLIC LTD CO

Security class: Ordinary Shares, par value $0.01 per share
Shares / value: 40,733
Estimated value: $398,776
Report date: 28 Jul 2026
Price: $9.79
Ownership: Direct

Form 4 holding Chief Development Officer

PROTHENA CORP PUBLIC LTD CO

Security class: Stock Option (Right to Buy)
Shares / value: 190,000
Estimated value
Report date: 03 Mar 2026
Price
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount

Form 4 holding Chief Development Officer

PROTHENA CORP PUBLIC LTD CO

Security class: Restricted Stock Units
Shares / value: 0
Estimated value
Report date: 28 Jul 2026
Price
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount

Transaction history for Chad J. Swanson in PROTHENA CORP PUBLIC LTD CO

Sym	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares after	Date	Ownership

^* marks a reported price that did not pass the local price check.

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