|4Mar 21, 3:45 PM ET

O BRIEN LAWRENCE H 4

4 · DYNAMICS RESEARCH CORP · Filed Mar 21, 2011

Insider Transaction Report

Form 4
Period: 2011-03-18
O BRIEN LAWRENCE H
Senior Vice President
Transactions
  • Sale

    Common Stock

    2011-03-18$14.65/sh100$1,46517,874 total
  • Sale

    Common Stock

    2011-03-18$14.66/sh500$7,33016,774 total
  • Sale

    Common Stock

    2011-03-18$14.68/sh700$10,27315,574 total
  • Sale

    Common Stock

    2011-03-18$14.70/sh100$1,47014,474 total
  • Exercise/Conversion

    Common Stock

    2011-03-18$8.94/sh+11,185$99,99420,590 total
  • Tax Payment

    Common Stock

    2011-03-18$14.67/sh6,816$99,99113,774 total
  • Sale

    Common Stock

    2011-03-18$14.68/sh100$1,46815,474 total
  • Exercise/Conversion

    DRC Stock Option Plans

    2011-03-184,2000 total
    Exercise: $8.94From: 2008-05-31Exp: 2011-05-31Common Stock (4,200 underlying)
  • Exercise/Conversion

    Common Stock

    2011-03-18$8.94/sh+4,200$37,54817,974 total
  • Sale

    Common Stock

    2011-03-18$14.69/sh700$10,28314,674 total
  • Sale

    Common Stock

    2011-03-18$14.69/sh100$1,46915,374 total
  • Sale

    Common Stock

    2011-03-18$14.70/sh100$1,47014,574 total
  • Sale

    Common Stock

    2011-03-18$14.65/sh600$8,79017,274 total
  • Sale

    Common Stock

    2011-03-18$14.67/sh500$7,33516,274 total
  • Sale

    Common Stock

    2011-03-18$14.70/sh700$10,29013,774 total
  • Exercise/Conversion

    DRC Stock Option Plans

    2011-03-1811,1850 total
    Exercise: $8.94From: 2008-05-31Exp: 2011-05-31Common Stock (11,185 underlying)
Footnotes (1)
  • [F1]Multiple lots for the same price for this order have been combined.

Documents

1 file
  • 4
    doc1.xmlPrimary

    FORM 4