WITT DANIEL P 4
4 · REPLIGEN CORP · Filed Mar 31, 2011
Insider Transaction Report
Form 4
REPLIGEN CORPRGEN
WITT DANIEL P
Vice President
Transactions
- Disposition to Issuer
Stock Option (Right to Buy)
2011-03-30$1.04/sh−10,000$10,400→ 0 totalExercise: $2.66From: 2006-04-03Exp: 2011-04-03→ Common Stock (10,000 underlying)
Footnotes (1)
- [F1]The option was cancelled by mutual agreement of the Rporting Person and the Issuer in advance of its scheduled expiration date. The Reporting Person received the difference between $3.70, the closing price of the ISsuer's Common Stock on the transaction date, and $2.66, the exercise price of the stock option, less any applicable withholding taxes.