PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Hillsdale Investment Management Inc.'s Holding History (CIK: 0001368465)

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

Q3 2023

Shares 31,300 Value ($000) $1,510 Avg Close $59.41 Range $45.22 - $73.14

Q2 2023

Shares 37,400 Value ($000) $2,554 Avg Close $64.50 Range $47.45 - $79.65

Q1 2023

Shares 65,000 Value ($000) $3,151 Avg Close $52.83 Range $45.06 - $60.82

Q4 2022

Shares 77,500 Value ($000) $4,669 Avg Close $58.56 Range $50.89 - $66.47

Q4 2021

Shares 93,500 Value ($000) $4,619 Avg Close $55.45 Range $40.50 - $74.32

Q3 2021

Shares 93,500 Value ($000) $6,660 Avg Close $62.11 Range $45.09 - $79.75

Q2 2021

Shares 51,800 Value ($000) $2,663 Avg Close $31.20 Range $21.30 - $59.74

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	31,300	$1,510	$59.41	$45.22 - $73.14
Q2 2023	37,400	$2,554	$64.50	$47.45 - $79.65
Q1 2023	65,000	$3,151	$52.83	$45.06 - $60.82
Q4 2022	77,500	$4,669	$58.56	$50.89 - $66.47
Q4 2021	93,500	$4,619	$55.45	$40.50 - $74.32
Q3 2021	93,500	$6,660	$62.11	$45.09 - $79.75
Q2 2021	51,800	$2,663	$31.20	$21.30 - $59.74