** Drone maker AEVEX's AVEX.N shares down 9.2% post-market to $35.05 after announcing equity offering following Apr debut

** Co backed by private equity firm Madison Dearborn Partners commences 8 mln share offering

** AVEX to offer ~5.73 mln shares, selling shareholders to offload ~2.27 mln shares

** Co intends to use net proceeds it receives to purchase shares from members of ATS Investment Holdings, including entities controlled by principal stockholder Madison Dearborn, per the prospectus

** Goldman Sachs, BofA and Jefferies joint lead bookrunners for proposed offering

** Solana Beach, California-based AVEX, which has ~114 mln shares outstanding, went public on Apr 17 after selling 16 mln shares in IPO priced at $20

** AVEX shares closed up 0.4% at $38.61 on Mon

** All 8 analysts are bullish including 3 "strong buy" ratings; median PT $35, per LSEG