Principia Biopharma Inc. (PRNB) IV into Sanofi (SNY) acquires for $3.68B

Principia Biopharma Inc. (NASDAQ: PRNB) August call option implied volatility is at 105, September is at 115; compared to its 52-week range of 66 to 140 into Sanofi (SNY) will acquire all of the outstanding shares of Principia for $100 per share in cash. Call put ratio 1.9 calls to 1 put.

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