PROOFPOINT INC

CUSIP: 743424103 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2020
Shares 14,471 Value ($000) $1,527 Avg Close Range
Q2 2020
Shares 13,796 Value ($000) $1,533 Avg Close Range
Q1 2020
Shares 14,518 Value ($000) $1,489 Avg Close Range
Q4 2019
Shares 15,396 Value ($000) $1,767 Avg Close Range
Q3 2019
Shares 33,611 Value ($000) $4,337 Avg Close Range
Q2 2019
Shares 33,685 Value ($000) $4,051 Avg Close Range
Q1 2019
Shares 34,063 Value ($000) $4,136 Avg Close Range
Q4 2018
Shares 35,239 Value ($000) $2,953 Avg Close Range
Q3 2018
Shares 36,647 Value ($000) $3,897 Avg Close Range
Q2 2018
Shares 35,823 Value ($000) $4,131 Avg Close Range
Q1 2018
Shares 32,811 Value ($000) $3,729 Avg Close Range
Q4 2017
Shares 35,350 Value ($000) $3,139 Avg Close Range
Q3 2017
Shares 35,623 Value ($000) $3,107 Avg Close Range
Q2 2017
Shares 39,652 Value ($000) $3,443 Avg Close Range
Q1 2017
Shares 19,287 Value ($000) $1,434 Avg Close Range
Q4 2016
Shares 55,529 Value ($000) $3,923 Avg Close Range
Q3 2016
Shares 15,899 Value ($000) $1,190 Avg Close Range
Q2 2016
Shares 16,808 Value ($000) $1,060 Avg Close Range
Q4 2015
Shares 16,991 Value ($000) $1,105 Avg Close Range
Q3 2015
Shares 26,229 Value ($000) $1,582 Avg Close Range
Q2 2015
Shares 23,534 Value ($000) $1,498 Avg Close Range
Q1 2015
Shares 59,832 Value ($000) $3,543 Avg Close Range
Q4 2014
Shares 59,808 Value ($000) $2,885 Avg Close Range
Q3 2014
Shares 64,545 Value ($000) $2,397 Avg Close Range
Q2 2014
Shares 46,937 Value ($000) $1,758 Avg Close Range
Q1 2014
Shares 34,797 Value ($000) $1,290 Avg Close Range