O BRIEN LAWRENCE H 4
4 · DYNAMICS RESEARCH CORP · Filed Apr 5, 2011
Insider Transaction Report
Form 4
O BRIEN LAWRENCE H
Senior Vice President
Transactions
- Tax Payment
Common Stock
2011-03-18$14.67/sh−21,719$318,618→ 21,670 total - Exercise/Conversion
DRC Stock Option Plans
2011-03-18−29,615→ 0 totalExercise: $8.94From: 2008-05-31Exp: 2011-05-31→ Common Stock (29,615 underlying) - Exercise/Conversion
Common Stock
2011-03-18$8.94/sh+29,615$264,758→ 43,389 total