PROOFPOINT INC

CUSIP: 743424103 Class: COM

Alta Park Capital, LP's Holding History (CIK: 0001621855)

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

Q1 2017
Shares 47,000 Value ($000) $3,495 Avg Close — Range —
Q3 2016
Shares 7,200 Value ($000) $539 Avg Close — Range —
Q2 2016
Shares 18,400 Value ($000) $1,161 Avg Close — Range —
Q1 2016
Shares 22,614 Value ($000) $1,216 Avg Close — Range —
Q4 2015
Shares 50,963 Value ($000) $3,313 Avg Close — Range —