PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Harvest Investment Services, LLC's Holding History (CIK: 0001591097)

Note: Option positions (PUT/CALL) are excluded.

Q2 2023

Shares 11,772 Value ($000) $804 Avg Close $64.50 Range $47.45 - $79.65

Q1 2023

Shares 10,821 Value ($000) $524 Avg Close $52.83 Range $45.06 - $60.82

Q4 2021

Shares 14,141 Value ($000) $698 Avg Close $55.45 Range $40.50 - $74.32

Q3 2021

Shares 7,228 Value ($000) $514 Avg Close $62.11 Range $45.09 - $79.75

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	11,772	$804	$64.50	$47.45 - $79.65
Q1 2023	10,821	$524	$52.83	$45.06 - $60.82
Q4 2021	14,141	$698	$55.45	$40.50 - $74.32
Q3 2021	7,228	$514	$62.11	$45.09 - $79.75