---------------------------------------------- 1. Name and Address of Reporting Person: 2. Issuer Name and Ticker or Trading Symbol: ZymoGenetics, Inc. (ZGEN) Leff, Jonathan S. c/o Warburg Pincus & Co., 466 Lexington Avenue, New York, New York 10017...Leff Jonathan S • February 27th, 2008 • Biological products, (no disgnostic substances)
Company FiledFebruary 27th, 2008 Industry
---------------------------------------------- 1. Name and Address of Reporting Person: 2. Issuer Name and Ticker or Trading Symbol: ZymoGenetics, Inc. (ZGEN) Leff, Jonathan S. c/o Warburg Pincus & Co., 466 Lexington Avenue, New York, New York 10017...Leff Jonathan S • September 17th, 2007 • Biological products, (no disgnostic substances)
Company FiledSeptember 17th, 2007 Industry