PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

PFM Health Sciences, LP's Holding History (CIK: 0001442756)

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

Q4 2023

Shares 189,744 Value ($000) $6,895 Avg Close $38.49 Range $28.51 - $55.89

Q3 2023

Shares 836,571 Value ($000) $40,365 Avg Close $59.41 Range $45.22 - $73.14

Q2 2023

Shares 774,546 Value ($000) $52,886 Avg Close $64.50 Range $47.45 - $79.65

Q1 2023

Shares 774,546 Value ($000) $37,542 Avg Close $52.83 Range $45.06 - $60.82

Q4 2022

Shares 875,464 Value ($000) $52,747 Avg Close $58.56 Range $50.89 - $66.47

Q3 2022

Shares 840,238 Value ($000) $50,944 Avg Close $31.61 Range $25.02 - $64.00

Q2 2022

Shares 345,114 Value ($000) $9,370 Avg Close $29.25 Range $21.06 - $40.31

Q1 2014

Shares 541,983 Value ($000) $20,763 Avg Close $32.24 Range $24.42 - $49.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	189,744	$6,895	$38.49	$28.51 - $55.89
Q3 2023	836,571	$40,365	$59.41	$45.22 - $73.14
Q2 2023	774,546	$52,886	$64.50	$47.45 - $79.65
Q1 2023	774,546	$37,542	$52.83	$45.06 - $60.82
Q4 2022	875,464	$52,747	$58.56	$50.89 - $66.47
Q3 2022	840,238	$50,944	$31.61	$25.02 - $64.00
Q2 2022	345,114	$9,370	$29.25	$21.06 - $40.31
Q1 2014	541,983	$20,763	$32.24	$24.42 - $49.24