X0306 4 2015-12-31 0 0001507881 USMD Holdings, Inc. USMD 0001556961 Collini M. Patrick 1410 LONG AND WINDING ROAD MANSFIELD TX 76063 1 0 0 0 Common Stock ($.01 par) 19228 D Common Stock ($.01 par) 2015-12-31 4 J 0 7143 7.00 A 132018 I Indirectly held through UANT Ventures, L.P. Common Stock ($.01 par) 2015-12-31 4 J 0 17 84.75 A 132035 I Indirectly held through UANT Ventures, L.P. Common Stock ($.01 par) 2015-12-31 4 J 0 4033 D 128002 I Indirectly held through UANT Ventures, L.P. Common Stock ($.01 par) 13248 I Held in M. Patrick Collini, MD, P.A. Options to Purchase 24.84 2015-12-31 4 J 0 71 D 2012-08-31 2017-08-31 Common Stock ($.01 par) 1749 1749 I Indiectly held through UANT Ventures, L.P. Dr. Collini purchased additional partnership interests in UANT Ventures, L.P. ("Ventures"), which resulted in an increase in his indirect beneficial ownership of the shares of the issuer's common stock held by Ventures. Ventures reallocated certain of its partnership interests among its partners based upon the results of a capital call. Dr. Collini received additional partnership interests as a result of this reallocation, which resulted in an increase in his indirect beneficial ownership of the shares of the issuer's common stock held by Ventures. Ventures issued partnership interests to certain individuals and the issuance of these interests was dilutive to the ownership of Ventures held by certain of the existing partners, including Dr. Collini. This reduction in Dr. Collini's ownership of Ventures resulted in a corresponding decrease in his indirect beneficial ownership of shares and options to purchase shares of the issuer's common stock held by Ventures. No consideration was paid and Dr. Collini did not receive any consideration as a result of the transaction. /s/ M. Patrick Collini 2016-01-05