PROOFPOINT INC

CUSIP: 743424103 Class: COM

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q1 2019
Shares 155,641 Value ($000) $18,899 Avg Close — Range —
Q4 2018
Shares 451,495 Value ($000) $37,840 Avg Close — Range —
Q3 2018
Shares 1,884,322 Value ($000) $200,360 Avg Close — Range —
Q2 2018
Shares 2,784,659 Value ($000) $321,099 Avg Close — Range —
Q1 2018
Shares 2,901,125 Value ($000) $329,713 Avg Close — Range —
Q4 2017
Shares 3,152,336 Value ($000) $279,959 Avg Close — Range —
Q3 2017
Shares 3,012,092 Value ($000) $262,715 Avg Close — Range —
Q2 2017
Shares 2,786,122 Value ($000) $241,919 Avg Close — Range —
Q1 2017
Shares 2,313,715 Value ($000) $172,048 Avg Close — Range —
Q4 2016
Shares 884,523 Value ($000) $62,492 Avg Close — Range —
Q3 2016
Shares 903,626 Value ($000) $67,636 Avg Close — Range —
Q2 2016
Shares 896,953 Value ($000) $56,589 Avg Close — Range —
Q1 2016
Shares 786,189 Value ($000) $42,281 Avg Close — Range —
Q4 2015
Shares 472,541 Value ($000) $30,720 Avg Close — Range —
Q3 2015
Shares 197,552 Value ($000) $11,916 Avg Close — Range —