PROOFPOINT INC

CUSIP: 743424103 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q1 2021
Shares 400 Value ($000) $50 Avg Close Range
Q4 2020
Shares 400 Value ($000) $55 Avg Close Range
Q3 2020
Shares 400 Value ($000) $42 Avg Close Range
Q2 2020
Shares 400 Value ($000) $44 Avg Close Range
Q1 2020
Shares 400 Value ($000) $41 Avg Close Range
Q1 2019
Shares 105 Value ($000) $13 Avg Close Range
Q4 2018
Shares 105 Value ($000) $9 Avg Close Range
Q3 2018
Shares 105 Value ($000) $11 Avg Close Range
Q2 2018
Shares 205 Value ($000) $24 Avg Close Range
Q1 2018
Shares 195 Value ($000) $22 Avg Close Range
Q4 2017
Shares 270 Value ($000) $24 Avg Close Range
Q3 2017
Shares 270 Value ($000) $24 Avg Close Range
Q2 2017
Shares 270 Value ($000) $23 Avg Close Range
Q1 2017
Shares 270 Value ($000) $20 Avg Close Range
Q4 2016
Shares 500 Value ($000) $35 Avg Close Range
Q3 2016
Shares 500 Value ($000) $37 Avg Close Range
Q2 2016
Shares 500 Value ($000) $32 Avg Close Range
Q1 2016
Shares 500 Value ($000) $27 Avg Close Range