PROOFPOINT INC

CUSIP: 743424103 Class: COM

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021
Shares 37,284 Value ($000) $4,690 Avg Close — Range —
Q4 2020
Shares 99,080 Value ($000) $13,515 Avg Close — Range —
Q3 2020
Shares 133,409 Value ($000) $14,081 Avg Close — Range —
Q2 2020
Shares 131,546 Value ($000) $14,617 Avg Close — Range —
Q3 2018
Shares 189,153 Value ($000) $20,113 Avg Close — Range —