** Sterilization solutions and lab testing firm Sotera Health's SHC.O shares off 1% at $15.28 in extended trading after secondary offering launched
** Broadview Heights, Ohio-based firm says private equity firms Warburg Pincus and GTCR to offload ~31.84 mln shares
** Prior to offering, Warburg owned ~19.1 mln shares for ~6.7% stake and GTCR owned ~12.74 mln shares for ~4.5% of SHC's ~285.17 mln shares outstanding, per LSEG data
** Goldman Sachs is underwriter for the offering
** Warburg and GTCR sold shares in a Mar secondary offering priced at $15.40
** SHC shares ended down 2.2% at $15.43 on Mon, down 12.5% YTD
** Avg rating of 11 analysts is "buy"; median PT $20
(Lance Tupper is a Reuters market analyst. The views expressed are his own)
((lance.tupper@tr.com 1-646-279-6380))