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Sec Filings Insider Trading - Dufresne Christian - 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 Dufresne Christian
Dufresne Christian: Insider Trading and Stock Options
Stock options: Exercise, Award, Grant, Conversion
Transaction
& Date		 Reported
Date		 Exercisable
Expiration		 Company Symbol Insider
Relationship		 Shares
Traded		 Conversion
Price		 Shares
Ownership		 Filing
2009-05-21
Option Award		 2009-05-26
5:41 pm		 2010-05-21
2019-05-21		 SPIRE CORP SPIR Dufresne Christian
(CFO & Treasurer)		 5,000 $6.24 5,000
(Direct)		 View
2007-08-16
Option Award		 2007-08-17
4:15 pm		 2008-08-16
2017-08-16		 SPIRE CORP SPIR Dufresne Christian
(CFO & Treasurer)		 5,000 $9.15 5,000
(Direct)		 View
2007-05-17
Option Award		 2007-05-18
8:23 pm		 2008-05-17
2017-05-17		 SPIRE CORP SPIR Dufresne Christian
(CFO & Treasuer)		 5,000 $9.6 5,000
(Direct)		 View
2006-11-16
Option Award		 2006-11-17
6:04 pm		 2007-11-16
2016-11-16		 SPIRE CORP SPIR Dufresne Christian
(CFO & Treasurer)		 10,000 $8.32 10,000
(Direct)		 View