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Sec Filings Insider Trading - Witt Daniel P - Portfolio Holdings (Majority Ownership)
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"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch ==>> What is insider trading>>
Insider Trading Transactions for Witt Daniel P
WITT DANIEL P: Insider Trading and Stock Options
Common stock purchase or sale:
Transaction
& Date		 Reported
Date		 Company Symbol Insider
Relationship		 Shares
Traded		 Average
Price		 Total
Amount		 Shares
Ownership		 Filing
2008-03-04
Sale		 2008-03-06
4:30 pm		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 5,000 $5.415 $27,077 39,834
(Indirect)		 View
2008-02-20
Sale		 2008-02-22
3:45 pm		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 2,200 $5.801 $12,762 38,300
(Direct)		 View
2008-02-14-
-2008-02-19
Sale		 2008-02-19
4:59 pm		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 14,334 $6.282 $90,045 85,334
(Direct)		 View
2007-02-28
Sale		 2007-03-02
12:13 pm		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 20,000 $3.103 $62,063 89,668
(Direct)		 View
2006-02-14
Sale		 2006-02-16
4:39 pm		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 25,400 $4.25 $107,950 89,668
(Direct)		 View
Other transactions:
Transaction
& Date		 Reported
Date		 Company Symbol Insider
Relationship		 Shares
Traded		 Average
Price		 Total
Amount		 Shares
Ownership		 Filing
2008-02-20
Other		 2008-02-22
3:45 pm		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 44,834 $0 $0 44,834
(Indirect)		 View
2008-02-14
Exercise		 2008-02-19
4:59 pm		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 10,000 $1.41 $14,100 99,668
(Direct)		 View
2007-02-28
Exercise		 2007-03-02
12:13 pm		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 20,000 $1.5 $30,000 109,668
(Direct)		 View
2006-02-14
Exercise		 2006-02-16
4:39 pm		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 25,400 $1.25 $31,750 115,068
(Direct)		 View
Stock options: Exercise, Award, Grant, Conversion
Transaction
& Date		 Reported
Date		 Exercisable
Expiration		 Company Symbol Insider
Relationship		 Shares
Traded		 Conversion
Price		 Shares
Ownership		 Filing
2008-02-14
Exercise		 2008-02-19
4:59 pm		 N/A
2008-04-29		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 10,000 $1.41 0
(Direct)		 View
2007-02-28
Exercise		 2007-03-02
12:13 pm		 1998-04-30
2007-04-30		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 20,000 $1.5 89,668
(Direct)		 View
2006-02-14
Exercise		 2006-02-16
4:39 pm		 1997-03-14
2006-03-14		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 25,400 $1.25 115,068
(Direct)		 View
2005-05-13
Option Award		 2005-05-17
1:36 pm		 2006-05-13
2006-05-13		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 25,000 $1.83 25,000
(Direct)		 View
2004-04-30
Option Award		 2004-05-04
4:03 pm		 2005-04-30
2014-04-30		 REPLIGEN CORP RGEN WITT DANIEL P
(Vice President)		 20,000 $3.05 20,000
(Direct)		 View