** Shares of fitness center operator Life Time Group LTH.N fall 3.8% to $30.11 premarket after secondary offering news

** Private equity firms Leonard Green & Partners and Partners Group are offering 18 million shares in the secondary offering

** CEO Bahram Akradi exercised ~9.4 million options granted to him in 2015 that would have otherwise expired in October this year

** Akradi is selling five million shares in the secondary offering mainly to satisfy his tax obligations tied to the exercise

** J.P. Morgan and BofA Securities are the underwriters for the proposed offering

** LTH had ~207.5 million outstanding shares as of December 31, according to its latest annual report, giving it a ~$6.5 billion market cap

** Leonard Green is LTH's top shareholder with a ~25% stake, according to data compiled by LSEG

** LTH went public in October 2021 after 39 million share IPO was priced at $18 apiece

** LTH stock up 42% YTD

(Reporting by Arasu Kannagi Basil in Bengaluru)

((ArasuKannagi.Basil@thomsonreuters.com;))