PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

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

Q4 2025
Shares 26,354 Value ($000) $0 Avg Close $10.18 Range $9.07 - $11.69
Q2 2025
Shares 210,555 Value ($000) $1 Avg Close $7.50 Range $4.32 - $12.45
Q3 2024
Shares 28,941 Value ($000) $0 Avg Close $21.50 Range $15.52 - $25.42
Q4 2023
Shares 34,850 Value ($000) $1 Avg Close $38.49 Range $28.51 - $55.89
Q1 2023
Shares 20,861 Value ($000) $1 Avg Close $52.83 Range $45.06 - $60.82
Q1 2022
Shares 31,142 Value ($000) $1,139 Avg Close $36.05 Range $29.53 - $49.77
Q4 2021
Shares 13,259 Value ($000) $655 Avg Close $55.45 Range $40.50 - $74.32
Q3 2021
Shares 3,611 Value ($000) $257 Avg Close $62.11 Range $45.09 - $79.75
Q4 2020
Shares 15,095 Value ($000) $181 Avg Close $11.83 Range $9.86 - $14.14
Q3 2019
Shares 19,805 Value ($000) $155 Avg Close $8.88 Range $6.71 - $10.70
Q1 2017
Shares 7,105 Value ($000) $396 Avg Close $52.54 Range $45.13 - $63.14
Q2 2016
Shares 8,200 Value ($000) $287 Avg Close $43.55 Range $33.53 - $51.45
Q1 2016
Shares 6,000 Value ($000) $247 Avg Close $39.14 Range $28.20 - $67.32
Q4 2015
Shares 14,120 Value ($000) $962 Avg Close $60.32 Range $40.47 - $76.42
Q3 2015
Shares 26,819 Value ($000) $1,216 Avg Close $58.24 Range $42.20 - $70.52
Q2 2015
Shares 4,280 Value ($000) $225 Avg Close $39.47 Range $30.14 - $55.97
Q1 2014
Shares 6,500 Value ($000) $249 Avg Close $32.24 Range $24.42 - $49.24
Q4 2013
Shares 10,000 Value ($000) $265 Avg Close $25.08 Range $18.93 - $30.55