Merck (MRK) and Sirna (RNAI) Merck Announce Expiration of Hart-Scott-Rodino Waiting Period for Proposed Acquisition of Sirna by Merck

December 14, 2006 8:44 AM EST

Merck & Co., Inc. (NYSE: MRK) and Sirna Therapeutics, Inc. (NASDAQ: RNAI) announced that the federal regulatory antitrust waiting period expired for Merck & Co.'s approximately $1.1 billion acquisition of Sirna Therapeutics. On Oct. 30, 2006, Merck entered into a definitive agreement to acquire Sirna for $13 per share in an all-cash transaction.

Sirna Therapeutics is a clinical-stage biotechnology company developing RNAi-based therapies for serious diseases and conditions, including age-related macular degeneration, hepatitis C, dermatology, asthma, respiratory syncytial virus and Huntington's disease


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MRK 36.22

-0.20 -0.55%
Volume: 21,236,696
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RNAI 12.98

-0.03 -0.23%
Volume: 0
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