X0303 4 2010-03-01 0 0001089044 LABRANCHE & CO INC LAB 0001094446 LABRANCHE GEORGE M L IV C/O LABRANCHE & CO., INC. 33 WHITEHALL STREET NEW YORK NY 10004 1 1 0 0 Chairman, CEO & President "LAB" Common Stock 2010-03-01 4 S 0 400000 4.60 D 1701094 D "LAB" Common Stock 2010-03-01 4 S 0 100000 4.60 A 1300000 I Held by Wife The reporting perosn sold 400,000 shares of the Company's common stock pursuant to the Company's tender offer to purchase up to 15 million shares of common stock at a price of $4.60 per share. The tender offer expired on March 1, 2010. The reporting person's wife sold 100,000 shares of the Company's common stock in the tender offer as well. George M.L. LaBranche, IV 2010-03-03