** Regional lender United Bankshares' UBSI.O shares rise 4% to $37.18
** UBSI unveils plan to repurchase up to 5 million shares, or 3.6% of its outstanding shares
** Repurchases may be made through open market and privately negotiated transactions
** UBSI purchased 1.1 million shares between October 1 and November 20
** Two of five brokerages rate the stock "buy" or higher and three "hold"; median PT $40 - data compiled by LSEG
** As of last close, UBSI stock down 4.8% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))