This excerpt taken from the TNS 10-Q filed Aug 15, 2005.
Stock Repurchase and Retirement
On May 4, 2005 the Company purchased and retired 6,263,435 shares of its common stock, pursuant to a modified Dutch auction tender offer, for $18.50 per share plus expenses of approximately $1.0 million. Of the shares tendered, 6 million shares were tendered by TNS controlling stockholder, GTCR Golder Ranuner L.L.C. and its affiliated investment funds.