** Manufacturing solutions firm Mayville Engineering's MEC.N shares down 10.8% to $21 in premarket trading after approx $87 mln follow-on priced

** MEC stock on track for seventh straight session of declines, if losses hold

** Milwaukee, Wisconsin-based MEC late Tues announced ~4.35 mln shares at $20

** Offering price represents 15.1% discount to stock's last sale on Tues

** Co intends to use net offering proceeds to pay down revolving credit facility, for capex, working capital and other purposes

** It said a portion of credit facility amounts expected to be repaid were borrowed to complete Accu-fab acquisition, completed in July 2025

** William Blair and Craig-Hallum lead bookrunners for offering

** MEC has ~20.5 mln shares outstanding

** At Tues close, stock up 26% YTD including 31% surge QTD

** 2 analysts rate the stock "strong buy", 3 rate "buy"; median PT of $31, according to LSEG data