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 0 548 A 548 I Sanderling V Limited Partnership Common Stock 2004-08-17 4 C 0 37939 A 38487 I Sanderling V Limited Partnership Common Stock 2004-08-17 4 C 0 34082 A 72569 I Sanderling V Limited Partnership Common Stock 2004-08-17 4 C 0 28401 A 100970 I Sanderling V Limited Partnership Common Stock 2004-08-17 4 C 0 185765 A 185765 I Sanderling Venture Partners IV Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 38750 A 224515 I Sanderling Venture Partners IV Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 3288 A 3288 I Sanderling Venture Partners V Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 232012 A 235300 I Sanderling Venture Partners V Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 208424 A 443724 I Sanderling Venture Partners V Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 173687 A 617411 I Sanderling Venture Partners V Co-Investment Fund, L.P. Common Stock 2004-08-17 4 C 0 3527 A 3527 I Sanderling Ventures Management V Common Stock 2004-08-17 4 C 0 4488 A 8015 I Sanderling Ventures Management V Common Stock 2004-08-17 4 C 0 4032 A 12047 I Sanderling Ventures Management V Common Stock 2004-08-17 4 C 0 13440 A 25487 I Sanderling Ventures Management V Series C Convertible Preferred Stock 2004-08-17 4 C 0 548 D Common Stock 548 0 I Sanderling V Limited Partnership Series D-1 Convertible Preferred Stock 2004-08-17 4 C 0 37598 D Common Stock 37598 0 I Sanderling V Limited Partnership Series D-2 Convertible Preferred Stock 2004-08-17 4 C 0 32459 D Common Stock 32459 0 I Sanderling V Limited Partnership Series E-2 Convertible Preferred Stock 2004-08-17 4 C 0 20033 D Common Stock 20033 0 I Sanderling V Limited Partnership Series C Convertible Preferred Stock 2004-08-17 4 C 0 185765 D Common Stock 185765 0 I Sanderling Venture Partners IV Col-Investment Fund, L.P. Series D Convertible Preferred Stock 2004-08-17 4 C 0 38402 D Common Stock 38402 0 I Sanderling Venture Partners IV Col-Investment Fund, L.P. Series C Convertible Preferred Stock 2004-08-17 4 C 0 3288 D Common Stock 3288 0 I Sanderling Venture Partners V Co-Investment Fund, L.P. Series D-1 Convertible Preferred Stock 2004-08-17 4 C 0 229928 D Common Stock 229928 0 I Sanderling Venture Partners V Co-Investment Fund, L.P. Series D-2 Convertible Preferred Stock 2004-08-17 4 C 0 198499 D Common Stock 198499 0 I Sanderling Venture Partners V Co-Investment Fund, L.P. Series E-2 Convertible Preferred Stock 2004-08-17 4 C 0 122509 D Common Stock 122509 0 I Sanderling Venture Partners V Co-Investment Fund, L.P. Series C Convertible Preferred Stock 2004-08-17 4 C 0 3527 D Common Stock 3527 0 I Sanderling Ventures Management V Series D-1 Convertible Preferred Stock 2004-08-17 4 C 0 4448 D Common Stock 4448 0 I Sanderling Ventures Management V Series D-2 Convertible Preferred Stock 2004-08-17 4 C 0 3840 D Common Stock 3840 0 I Sanderling Ventures Management V Series E-2 Convertible Preferred Stock 2004-08-17 4 C 0 9480 D Common Stock 9480 0 I Sanderling Ventures Management V 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 second of two Form 4s being filed by the reporting person on August 19, 2004. /s/ Fred Middleton 2004-08-18