PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

FLAGSHIP HARBOR ADVISORS, LLC's Holding History (CIK: 0001691766)

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

Q3 2020
Shares 2 Value ($000) $0 Avg Close $12.03 Range $9.67 - $13.78
Q2 2020
Shares 2 Value ($000) $0 Avg Close $11.11 Range $9.25 - $12.98
Q1 2020
Shares 2 Value ($000) $0 Avg Close $12.11 Range $7.10 - $16.05
Q4 2019
Shares 2 Value ($000) $0 Avg Close $10.72 Range $7.40 - $17.63
Q3 2019
Shares 2 Value ($000) $0 Avg Close $8.88 Range $6.71 - $10.70
Q2 2019
Shares 2 Value ($000) $0 Avg Close $10.27 Range $8.67 - $12.54
Q1 2019
Shares 2 Value ($000) $0 Avg Close $12.49 Range $9.97 - $14.77
Q4 2018
Shares 2 Value ($000) $0 Avg Close $11.89 Range $8.63 - $13.83
Q3 2018
Shares 2 Value ($000) $0 Avg Close $14.44 Range $12.23 - $15.91
Q2 2018
Shares 2 Value ($000) $0 Avg Close $19.75 Range $10.43 - $44.75