PROOFPOINT INC

CUSIP: 743424AF0 Class: NOTE

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q1 2021
Shares 300,000 Value ($000) $319 Avg Close — Range —
Q4 2020
Shares 300,000 Value ($000) $335 Avg Close — Range —
Q3 2020
Shares 300,000 Value ($000) $300 Avg Close — Range —