** Inotiv Inc's shares down 13.5% to $4.80 post-market as contract research firm looks to raise equity ** West Lafayette, Indiana-based co launches $20 mln stock offering, per the SEC filing

** Co to use net proceeds for working capital, capex and other general purposes

** Lake Street Capital sole bookrunner

** NOTV has ~26 mln shares outstanding giving co ~$144 mln market cap

** Stock closed down 4.5% at $5.55 on Tues

** Shares have more than tripled over the past three months, putting them up 51% YTD

(Lance Tupper is a Reuters market analyst. The views expressed are his own) ((lance.tupper@tr.com 1-646-279-6380 ))