PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q2 2018
Shares 113,000 Value ($000) $1,648 Avg Close $19.75 Range $10.43 - $44.75
Q1 2018
Shares 113,000 Value ($000) $4,148 Avg Close $36.37 Range $27.19 - $46.14
Q4 2017
Shares 91,000 Value ($000) $3,412 Avg Close $50.91 Range $34.85 - $64.96
Q3 2017
Shares 91,000 Value ($000) $5,894 Avg Close $61.26 Range $52.91 - $70.00
Q2 2017
Shares 91,000 Value ($000) $4,925 Avg Close $53.29 Range $48.23 - $59.10
Q1 2017
Shares 91,000 Value ($000) $5,077 Avg Close $52.54 Range $45.13 - $63.14
Q4 2016
Shares 106,000 Value ($000) $5,214 Avg Close $55.18 Range $40.58 - $68.18
Q3 2016
Shares 106,000 Value ($000) $6,357 Avg Close $53.65 Range $35.04 - $64.50
Q2 2016
Shares 106,000 Value ($000) $3,706 Avg Close $43.55 Range $33.53 - $51.45
Q1 2016
Shares 106,000 Value ($000) $4,363 Avg Close $39.14 Range $28.20 - $67.32
Q4 2015
Shares 90,000 Value ($000) $6,130 Avg Close $60.32 Range $40.47 - $76.42
Q3 2015
Shares 90,000 Value ($000) $4,081 Avg Close $58.24 Range $42.20 - $70.52
Q2 2015
Shares 90,000 Value ($000) $4,740 Avg Close $39.47 Range $30.14 - $55.97
Q1 2015
Shares 90,000 Value ($000) $3,433 Avg Close $25.65 Range $18.76 - $45.00
Q4 2014
Shares 134,000 Value ($000) $2,782 Avg Close $20.87 Range $17.00 - $24.67
Q3 2014
Shares 100,000 Value ($000) $2,216 Avg Close $21.20 Range $16.71 - $24.31
Q2 2014
Shares 100,000 Value ($000) $2,255 Avg Close $25.01 Range $18.52 - $41.33