MANDIANT INC

CUSIP: 562662106 Class: COM

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

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

Q2 2022
Shares 129,419 Value ($000) $2,824 Avg Close — Range —
Q1 2022
Shares 143,668 Value ($000) $3,205 Avg Close — Range —
Q4 2021
Shares 130,295 Value ($000) $2,285 Avg Close — Range —