PROOFPOINT INC

CUSIP: 743424103 Class: COM

BOKF, NA's Holding History (CIK: 0000009634)

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

Q1 2021
Shares 8,304 Value ($000) $1,045 Avg Close — Range —
Q4 2020
Shares 12,704 Value ($000) $1,733 Avg Close — Range —
Q3 2020
Shares 11,585 Value ($000) $1,223 Avg Close — Range —
Q2 2020
Shares 12,131 Value ($000) $1,348 Avg Close — Range —
Q1 2020
Shares 17,151 Value ($000) $1,760 Avg Close — Range —
Q4 2019
Shares 22,446 Value ($000) $2,577 Avg Close — Range —
Q3 2019
Shares 22,189 Value ($000) $2,864 Avg Close — Range —
Q2 2019
Shares 11,660 Value ($000) $1,402 Avg Close — Range —
Q1 2019
Shares 11,695 Value ($000) $1,420 Avg Close — Range —
Q4 2018
Shares 11,868 Value ($000) $994 Avg Close — Range —
Q3 2018
Shares 10,742 Value ($000) $1,142 Avg Close — Range —
Q2 2018
Shares 10,742 Value ($000) $1,239 Avg Close — Range —
Q1 2018
Shares 10,089 Value ($000) $1,147 Avg Close — Range —
Q4 2017
Shares 12,552 Value ($000) $1,114 Avg Close — Range —
Q3 2017
Shares 12,392 Value ($000) $1,081 Avg Close — Range —
Q2 2017
Shares 13,729 Value ($000) $1,192 Avg Close — Range —
Q4 2016
Shares 3,134 Value ($000) $222 Avg Close — Range —
Q3 2016
Shares 3,126 Value ($000) $234 Avg Close — Range —
Q2 2016
Shares 3,053 Value ($000) $193 Avg Close — Range —