PROOFPOINT INC

CUSIP: 743424103 Class: COM

CLOUGH CAPITAL PARTNERS L P's Holding History (CIK: 0001276144)

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

Q1 2019
Shares 63,560 Value ($000) $7,718 Avg Close — Range —
Q2 2018
Shares 114,200 Value ($000) $13,168 Avg Close — Range —
Q3 2013
Shares 329,632 Value ($000) $10,588 Avg Close — Range —
Q2 2013
Shares 308,932 Value ($000) $7,492 Avg Close — Range —