MAYVILLE ENGR CO INC

Ticker: MEC CUSIP: 578605107 Class: Common Stock

Black Swift Group, LLC's Holding History (CIK: 0001704212)

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

Q3 2021

Shares 15,000 Value ($000) $282 Avg Close $17.13 Range $13.49 - $20.93

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	15,000	$282	$17.13	$13.49 - $20.93