Simpson Thacher recently represented the underwriters, led by sole book-running manager J.P. Morgan Securities LLC, in the initial public offering by Cellular Dynamics International, Inc. (“CDI”) of 3,846,000 shares of common stock. CDI’s common stock is listed on the Nasdaq Global Market under the ticker symbol “ICEL.”

Cellular Dynamics International, Inc. is a developer and manufacturer of fully functioning human cells in industrial quantities to precise specifications.

The Simpson Thacher team included Art Robinson, Lesley Peng, Brian E. Rosenzweig, Jeremy Barr and Joo Hyun Lee (Capital Markets); Jonathan Cantor and Chang Won Choi (Tax); David Rubinsky and Jennifer McGroarty (Executive Compensation and Employee Benefits); Genevieve Dorment (Intellectual Property); and Andrew Pagliughi (FINRA and Blue Sky).