MAYVILLE ENGR CO INC

Ticker: MEC CUSIP: 578605107 Class: Common Stock

Columbia Asset Management's Holding History (CIK: 0001585047)

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

Q4 2021

Shares 12,760 Value ($000) $190 Avg Close $16.48 Range $13.15 - $19.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	12,760	$190	$16.48	$13.15 - $19.90