Benzinga's Weekly M&A Chatter

The following are the M&A deals, rumors and chatter circulating on Wall Street for Friday September 20 through Sunday September 22, 2013

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BASF

announced Friday that its U.S. affiliate, BASF Corporation, has agreed to commence a cash tender offer for all the outstanding shares of Verenium Corporation

for $4.00 per share in cash. The deal is expected to close in Q4 2013. Biomarin shares traded over $86 in the pre-market and closed at $78.39, a gain of just over 1%.

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Shares of Glu Mobile

spiked higher early Friday, reportedly on comments from Dougherty that the company could be a potential takeover target at a price of $7.00 to $8.00 per share. A Glu Mobile spokesperson was not available for comment. Glu Mobile closed at $2.42 Friday, a gain of 3% on more than twice average volume.

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Shares of Zoltek

rose 8% Friday on a report from

that Mitsubishi may be planning to acquire the carbon fiber manufacturer. The

cited the registration of a new Delaware corporation, MHI Wind Power Americas Inc., as a possible prelude to a deal. A Zoltek spokesperson was not available for comment Zoltek closed at $15.77 Friday, with volume at 4 times the daily average.