MASONITE INTL CORP NEW

CUSIP: 575385109 Class: Foreign Stock

ACK Asset Management LLC's Holding History (CIK: 0001510940)

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

Q1 2021
Shares 90,000 Value ($000) $8,130 Avg Close — Range —
Q4 2020
Shares 95,000 Value ($000) $8,599 Avg Close — Range —
Q2 2020
Shares 116,000 Value ($000) $6,436 Avg Close — Range —
Q4 2014
Shares 136,000 Value ($000) $8,359 Avg Close — Range —