MANDIANT INC

CUSIP: 562662106 Class: COM

True North Advisors, LLC's Holding History (CIK: 0001634556)

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

Q2 2022
Shares 15,250 Value ($000) $332 Avg Close — Range —
Q1 2022
Shares 30,500 Value ($000) $680 Avg Close — Range —
Q4 2021
Shares 125,000 Value ($000) $2,192 Avg Close — Range —