William J. Kelly, Chief Accounting Officer at REPLIGEN CORP (RGEN), sold 20,000 shares at $9.14 ($183K) on 2013-05-07, disclosed to the SEC on 2013-05-08.
Open-market sale of $183k RGEN by Chief Accounting Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.