PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

D.A. DAVIDSON & CO.'s Holding History (CIK: 0001080107)

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

Q2 2015
Shares 1 Value ($000) $0 Avg Close $39.47 Range $30.14 - $55.97
Q1 2015
Shares 1 Value ($000) $0 Avg Close $25.65 Range $18.76 - $45.00
Q4 2014
Shares 1 Value ($000) $0 Avg Close $20.87 Range $17.00 - $24.67
Q3 2014
Shares 1 Value ($000) $0 Avg Close $21.20 Range $16.71 - $24.31
Q2 2014
Shares 1 Value ($000) $0 Avg Close $25.01 Range $18.52 - $41.33
Q1 2014
Shares 1 Value ($000) $0 Avg Close $32.24 Range $24.42 - $49.24
Q4 2013
Shares 1 Value ($000) $0 Avg Close $25.08 Range $18.93 - $30.55
Q3 2013
Shares 1 Value ($000) $0 Avg Close $17.69 Range $12.14 - $22.48
Q2 2013
Shares 1 Value ($000) $0 Avg Close $9.30 Range $6.49 - $14.00