** Shares of cybersecurity firm SailPoint SAIL.O fall 13.1% to $12.79 premarket

** SAIL expects Q1 FY27 revenue between $273 million and $277 million, compared with analysts' average estimate of $284 million - data compiled by LSEG

** Says Q4 revenue up 23% year-on-year at $295 million vs. estimates of $292.6 million

** SAIL down ~27% this year, as of last close

(Reporting by Jaspreet Singh in Bengaluru)

((Jaspreet.Singh@thomsonreuters.com ; https://twitter.com/i_jass))