X0202 4 2004-08-17 0 0001289340 Stereotaxis, Inc. STXS 0001267959 MIDDLETON FRED A 400 SOUTH EL CAMINO RD SUITE 1200 SAN MATEO CA 99402 1 0 0 0 Common Stock 2004-08-17 4 C 0 41335 A 89340 D Common Stock 2004-08-17 4 C 0 10023 A 99363 D Common Stock 2004-08-17 4 C 0 2215 A 101578 D Common Stock 2004-08-17 4 C 0 1403 A 102981 D Common Stock 2004-08-17 4 C 0 248 A 103229 D Common Stock 2004-08-17 4 C 0 433709 A 466064 I Sanderling Venture Partners II, L.P. Common Stock 2004-08-17 4 C 0 228875 A 694939 I Sanderling Venture Partners II, L.P. Common Stock 2004-08-17 4 C 0 52925 A 747864 I Sanderling Venture Partners II, L.P. Common Stock 2004-08-17 4 C 0 33487 A 781351 I Sanderling Venture Partners II, L.P. Common Stock 2004-08-17 4 C 0 167750 A 179869 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Common Stock 2004-08-17 4 C 0 87950 A 267819 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Common Stock 2004-08-17 4 C 0 19441 A 287260 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Common Stock 2004-08-17 4 C 0 12300 A 299560 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Common Stock 2004-08-17 4 C 0 2185 A 301745 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Common Stock 2004-08-17 4 C 0 41938 A 44967 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Common Stock 2004-08-17 4 C 0 21987 A 66954 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Common Stock 2004-08-17 4 C 0 4860 A 71814 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Common Stock 2004-08-17 4 C 0 3076 A 74890 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Common Stock 2004-08-17 4 C 0 546 A 75436 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Common Stock 2004-08-17 4 C 0 297636 A 297636 I Sanderling IV Biomedical Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 167918 A 465554 I Sanderling IV Biomedical Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 67204 A 532758 I Sanderling IV Biomedical Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 478 A 478 I Sanderling V Beteiligungs GmbH & Co. KG Common Stock 2004-08-17 4 C 0 33758 A 34236 I Sanderling V Beteiligungs GmbH & Co. KG Common Stock 2004-08-17 4 C 0 30326 A 64562 I Sanderling V Beteiligungs GmbH & Co. KG Common Stock 2004-08-17 4 C 0 25272 A 89834 I Sanderling V Beteiligungs GmbH & Co. KG Common Stock 2004-08-17 4 C 0 1993 A 1993 I Sanderling V Biomedical Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 140660 A 142653 I Sanderling V Biomedical Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 126360 A 269013 I Sanderling V Biomedical Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 105300 A 374313 I Sanderling V Biomedical Co-Investment Fund, L.P. Series A Convertible Preferred Stock 2004-08-17 4 C 0 148806 D Common Stock 41335 0 D Series B Convertible Preferred Stock 2004-08-17 4 C 0 36084 D Common Stock 10023 0 D Series C Convertible Preferred Stock 2004-08-17 4 C 0 7976 D Common Stock 2215 0 D Series D Convertible Preferred Stock 2004-08-17 4 C 0 5002 D Common Stock 1389 0 D Series D-1 Convertible Preferred Stock 2004-08-17 4 C 0 888 D Common Stock 246 0 D Series A Convertible Preferred Stock 2004-08-17 4 C 0 1561354 D Common Stock 433709 0 I Sanderling Venture Partners II, L.P. Series B Convertible Preferred Stock 2004-08-17 4 C 0 823950 D Common Stock 228875 0 I Sanderling Venture Partners II, L.P. Series C Convertible Preferred Stock 2004-08-17 4 C 0 190530 D Common Stock 52925 0 I Sanderling Venture Partners II, L.P. Series D Convertible Preferred Stock 2004-08-17 4 C 0 119472 D Common Stock 33186 0 I Sanderling Venture Partners II, L.P. Series A Convertible Preferred Stock 2004-08-17 4 C 0 603903 D Common Stock 167750 0 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Series B Convertible Preferred Stock 2004-08-17 4 C 0 316622 D Common Stock 87950 0 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Series C Convertible Preferred Stock 2004-08-17 4 C 0 69988 D Common Stock 19441 0 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Series D Convertible Preferred Stock 2004-08-17 4 C 0 43885 D Common Stock 12190 0 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Series D-1 Convertible Preferred Stock 2004-08-17 4 C 0 7796 D Common Stock 2165 0 I Sanderling Management Limited, Cust. FBO Sanderling Ventures Limited, L.P. Series A Convertible Preferred Stock 2004-08-17 4 C 0 150977 D Common Stock 41938 0 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Series B Convertible Preferred Stock 2004-08-17 4 C 0 21987 D Common Stock 21987 0 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Series C Convertible Preferred Stock 2004-08-17 4 C 0 4860 D Common Stock 4860 0 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Series D Convertible Preferred Stock 2004-08-17 4 C 0 3047 D Common Stock 3047 0 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Series D-1 Convertible Preferred Stock 2004-08-17 4 C 0 541 D Common Stock 541 0 I Sanderling Management Limited, Cust. FBO Middleton-McNeil, L.P. Series C Convertible Preferred Stock 2004-08-17 4 C 0 297636 D Common Stock 297636 0 I Sanderling IV Biomedical Co-Investment Fund, L.P. Series D Convertible Preferred Stock 2004-08-17 4 C 0 166410 D Common Stock 166410 0 I Sanderling IV Biomedical Co-Investment Fund, L.P. Series E-2 Convertible Preferred Stock 2004-08-17 4 C 0 47402 D Common Stock 47402 0 I Sanderling IV Biomedical Co-Investment Fund, L.P. Series C Convertible Preferred Stock 2004-08-17 4 C 0 478 D Common Stock 478 0 I Sanderling V Beteiligungs GmbH & Co. KG Series D-1 Convertible Preferred Stock 2004-08-17 4 C 0 33455 D Common Stock 33455 0 I Sanderling V Beteiligungs GmbH & Co. KG Series D-2 Convertible Preferred Stock 2004-08-17 4 C 0 28882 D Common Stock 28882 0 I Sanderling V Beteiligungs GmbH & Co. KG Series E-2 Convertible Preferred Stock 2004-08-17 4 C 0 17825 D Common Stock 17825 0 I Sanderling V Beteiligungs GmbH & Co. KG Series C Convertible Preferred Stock 2004-08-17 4 C 0 1993 D Common Stock 1993 0 I Sanderling V Biomedical Co-Investment Fund, L.P. Series D-1 Convertible Preferred Stock 2004-08-17 4 C 0 139397 D Common Stock 139397 0 I Sanderling V Biomedical Co-Investment Fund, L.P. Series D-2 Convertible Preferred Stock 2004-08-17 4 C 0 120343 D Common Stock 120343 0 I Sanderling V Biomedical Co-Investment Fund, L.P. Series E-2 Convertible Preferred Stock 2004-08-17 4 C 0 74273 D Common Stock 74273 0 I Sanderling V Biomedical Co-Investment Fund, L.P. The number of shares of common stock received upon conversion of the reporting person's convertible preferred stock includes additional shares issued as a result of antidilution provisions triggered by the issuer's initial public offering. Price is not applicable to conversion of preferred stock to common stock. All series of the Issuer's Convertible Preferred Stock are convertible into common stock upon demand at any time. This is the first of two Form 4s filed by the reporting person on August 19, 2004. /s/ Fred Middleton 2004-08-18