Michael J. Malecek - Nov 19, 2021 Form 4 Insider Report for PROTHENA CORP PUBLIC LTD CO (PRTA)

Role
Chief Legal Officer and Company Secretary
Signature
/s/ Michael J. Malecek
Stock symbol
PRTA
Transactions as of
Nov 19, 2021
Transactions value $
-$447,300
Form type
4
Date filed
11/19/2021, 08:32 PM
Previous filing
Oct 29, 2021
Next filing
Feb 25, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PRTA Ordinary Shares, par value $0.01 per share Options Exercise $103K +10K $10.27* 10K Nov 19, 2021 Direct
transaction PRTA Ordinary Shares, par value $0.01 per share Sale -$550K -10K -100% $55.00 0 Nov 19, 2021 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PRTA Stock Option (Right to Buy) Options Exercise $0 -10K -4.17% $0.00 230K Nov 19, 2021 Ordinary Shares 10K $10.27 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
F2 The shares subject to the option vest and become exercisable as to 25% of the total number of shares subject to the option on July 1, 2020 and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date.

Remarks:

Chief Legal Officer and Company Secretary