PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q1 2024

Shares 9,901 Value ($000) $245 Avg Close $29.75 Range $24.25 - $41.55

Q3 2023

Shares 34,890 Value ($000) $1,683 Avg Close $59.41 Range $45.22 - $73.14

Q1 2023

Shares 6,503 Value ($000) $315 Avg Close $52.83 Range $45.06 - $60.82

Q3 2020

Shares 13,157 Value ($000) $131 Avg Close $12.03 Range $9.67 - $13.78

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	9,901	$245	$29.75	$24.25 - $41.55
Q3 2023	34,890	$1,683	$59.41	$45.22 - $73.14
Q1 2023	6,503	$315	$52.83	$45.06 - $60.82
Q3 2020	13,157	$131	$12.03	$9.67 - $13.78