United Bankshares Inc. launched a public offering of 4,330,000 common shares, the net proceeds of which will be used to provide capital support for the growth of the Charleston, W.Va.-based company and for other general corporate purposes.

Acting as sole book-running manager for the offering is J.P. Morgan Securities LLC. It may offer the common shares from time to time in one or more transactions on the Nasdaq Global Select Market, in the over-the-counter market, through negotiated transactions or otherwise at market prices prevailing at the time of sale, at prices related to prevailing market prices or at negotiated prices.