X0303 4 2010-09-15 0 0000823094 SOTHEBYS BID 0001248060 RUPRECHT WILLIAM F 1334 YORK AVENUE NEW YORK NY 10021 1 1 0 0 President and CEO Common Stock 2010-09-15 4 S 0 6900 30.861 D 363391 D Common Stock 2010-09-15 4 S 0 2100 31.0269 D 361291 D Common Stock 2010-09-16 4 M 0 37500 A 398791 D Common Stock 2010-09-16 4 S 0 12100 32.132 D 386691 D Common Stock 2010-09-16 4 S 0 27400 31.793 D 359291 D Employee Stock Option-Right to Buy 8.65 2010-09-16 4 M 0 37500 D 2007-08-05 2013-08-05 Common Stock 37500 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.65 to $30.9975, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.01 to $31.05, inclusive. Includes 169,954 shares of unvested restricted stock Not Applicable The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32 to $32.42, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.70 to $31.99, inclusive. Granted under the Issuer's 1997 Stock Option Plan The sale of 9,000 shares of common stock on September 15 and 2,000 shares of common stock on September 16 reported on this Form 4 were pursuant to a 10b5-1 trading plan entered into by Mr. Ruprecht on March 15, 2010. /s/ Gary Chard as Attorney-In-Fact 2010-09-16