PROOFPOINT INC

CUSIP: 743424103 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q2 2021
Shares 283,475 Value ($000) $49,257 Avg Close — Range —
Q1 2021
Shares 286,752 Value ($000) $36,071 Avg Close — Range —
Q4 2020
Shares 283,349 Value ($000) $38,651 Avg Close — Range —
Q3 2020
Shares 286,407 Value ($000) $30,230 Avg Close — Range —
Q2 2020
Shares 296,870 Value ($000) $32,988 Avg Close — Range —
Q1 2020
Shares 288,529 Value ($000) $29,600 Avg Close — Range —
Q4 2019
Shares 269,476 Value ($000) $30,931 Avg Close — Range —
Q3 2019
Shares 266,234 Value ($000) $34,358 Avg Close — Range —
Q2 2019
Shares 257,369 Value ($000) $30,948 Avg Close — Range —
Q1 2019
Shares 255,745 Value ($000) $31,056 Avg Close — Range —
Q4 2018
Shares 249,602 Value ($000) $20,919 Avg Close — Range —
Q3 2018
Shares 241,173 Value ($000) $25,644 Avg Close — Range —
Q2 2018
Shares 279,676 Value ($000) $32,250 Avg Close — Range —
Q1 2018
Shares 563,249 Value ($000) $64,013 Avg Close — Range —
Q4 2017
Shares 552,280 Value ($000) $49,047 Avg Close — Range —
Q3 2017
Shares 555,399 Value ($000) $48,441 Avg Close — Range —
Q2 2017
Shares 563,915 Value ($000) $48,964 Avg Close — Range —
Q1 2017
Shares 543,222 Value ($000) $40,395 Avg Close — Range —
Q4 2016
Shares 535,865 Value ($000) $37,859 Avg Close — Range —
Q3 2016
Shares 584,319 Value ($000) $43,737 Avg Close — Range —
Q2 2016
Shares 580,949 Value ($000) $36,651 Avg Close — Range —
Q1 2016
Shares 570,240 Value ($000) $31,064 Avg Close — Range —
Q4 2015
Shares 555,452 Value ($000) $36,109 Avg Close — Range —
Q3 2015
Shares 589,469 Value ($000) $35,556 Avg Close — Range —
Q2 2015
Shares 476,415 Value ($000) $30,333 Avg Close — Range —
Q1 2015
Shares 525,372 Value ($000) $31,113 Avg Close — Range —
Q4 2014
Shares 476,519 Value ($000) $22,983 Avg Close — Range —
Q3 2014
Shares 478,987 Value ($000) $17,789 Avg Close — Range —
Q2 2014
Shares 330,326 Value ($000) $12,374 Avg Close — Range —
Q1 2014
Shares 355,098 Value ($000) $13,168 Avg Close — Range —
Q4 2013
Shares 391,375 Value ($000) $12,982 Avg Close — Range —
Q3 2013
Shares 363,651 Value ($000) $11,681 Avg Close — Range —
Q2 2013
Shares 220,043 Value ($000) $5,336 Avg Close — Range —