American Capital Strategies Ltd.

Ira Wagner, chief operating officer, sold 35,166 shares between $31.45 and $31.49 each on Aug. 18 and now holds 39,884.

Federal Agricultural Mortgage Corp.

Zions Bancorp, beneficial owner of more than 10 percent, sold 30,000 shares between $19.18 and $19.42 each from Aug. 17 to Aug. 24 and now holds 1,470,000.

Amerigroup Corp.

William J. McBride, director, sold 25,000 shares at $50 each on Aug. 20 and now holds 50,000.

Jeffrey L. McWaters, chief executive, sold 500 shares at $49.47 each on Aug. 18 and now holds 34,820.

AvalonBay Communities Inc.

Lance R. Primis, director, sold 4,925 shares at $60.90 each on Aug. 23 and now holds 7,218.

Black & Decker Corp.

Anthony Luiso, director, bought 150 shares at $68.50 each on Aug. 19 and now holds 5,150.

Christopher T. Metz, officer, sold 6,400 shares at $70 each on Aug. 23 and now holds 13,500.

Capital One Financial Corp.

John G. Finneran Jr., general counsel, sold 50,000 shares at $71 each on Aug. 20 and now holds 83,265.

Patrick W. Gross, director, sold 21,000 shares at $69.60 each on Aug. 18 and now holds 7,539.

CoStar Group Inc.

Francis A. Carchedi, chief financial officer, sold 10,000 shares at $42 each on Aug. 18 and now holds 10,418.

Duratek Inc.

TCG Holdings LLC, beneficial owner of more than 10 percent, sold 100,000 shares at $15.05 each on Aug. 23 and now holds 2,358,370.

Eagle Bancorp Inc.

Dudley C. Dworken, director, bought 107 shares at $19.92 each on Aug. 19 and now holds 26,426.

Fairchild Corp.

Herbert S. Richey, director, sold 10,000 shares at $4.05 each on Aug. 23 and now holds 9,250.

Flyi Inc.

Caroline Maury Devine, director, bought 1,000 shares at $3.90 each on Aug. 18 and now holds 4,000.

Fannie Mae

J. Timothy Howard, chief financial officer, sold 7,000 shares between $73.04 and $74.45 each from Aug. 18 to Aug. 19 and now holds 240,071.

Gene Logic Inc.

Charles L. Dimmler III, director, bought 1,000 shares at $3.50 each on Aug. 24 and bought 1,000 shares at $3.40 each on Aug. 16 and now holds 30,901.

Harman International Industries Inc.

William S. Palin, officer, sold 17,000 shares at $93.35 each on Aug. 23 and now holds 2,960.

Host Marriott Corp.

Richard E. Marriott, chairman, sold 34,689 shares at $13.26 each on Aug. 24 and now holds 9,057,810.

Humphrey Hospitality Trust Inc.

Steve H. Borgmann, director, bought 15,781 shares at $4 each from Aug. 20 to Aug. 23 and now holds 871,767.

I. C. Isaacs & Co. Inc.

Staffan Ahrenberg, director, sold 30,000 shares at $1.89 each on Aug. 18 and now holds 0.

LaSalle Hotel Properties

Donald Arthur Washburn, director, sold 3,000 shares between $26.33 and $26.35 each on Aug. 18 and now holds 1,298.

Municipal Mortgage & Equity LLC

Robert J. Banks, officer, sold 32,800 shares between $24.39 and $24.51 each from Aug. 19 to Aug. 23 and now holds 611,150.

NII Holdings Inc.

Charles M. Herington, director, bought 350 shares at $37.45 each on Aug. 23 and now holds 1,630.

Norfolk Southern Corp.

David R. Goode, chief executive, sold 100,000 shares between $27 and $27.21 each on Aug. 17 and now holds 616,264.

Henry D. Light, officer, sold 7,500 shares between $27.47 and $27.49 each on Aug. 20 and now holds 9,008.

L. I. Prillaman, officer, sold 15,000 shares between $27.06 and $27.08 each on Aug. 19 and now holds 208,528.

Donald W. Seale, officer, sold 15,000 shares at $27.50 each on Aug. 20 and now holds 59,163.

Henry C. Wolf, chief financial officer, sold 10,000 shares between $27.34 and $27.39 each on Aug. 24 and now holds 166,063.

NVR Inc.

Craig Scott Bartlett Jr., director, sold 500 shares between $502.50 and $505.50 each on Aug. 24 and now holds 1,950.

Owens & Minor Inc.

Richard F. Bozard, officer and treasurer, sold 1,513 shares at $24.40 each on Aug. 24 and now holds 27,504.

David R. Guzman, chief technology officer, sold 34,000 shares at $24.50 each on Aug. 24 and now holds 11,716.

Provident Bankshares Corp.

Peter M. Martin, director, sold 20,000 shares at $30.84 each on Aug. 17 and now holds 113,776.

Portfolio Recovery Associates Inc.

Steven D. Fredrickson, chief executive, sold 3,000 shares at $28.25 each on Aug. 23 and now holds 437,385.

Safenet Inc.

Walter W. Straub, director, sold 32,277 shares at $28.12 each on Aug. 18 and now holds 9,908.

Spherix Inc.

Lionel Vernon Baldwin, director, bought 320 shares at $3.78 each on Aug. 18 and now holds 20,138.

Sunrise Senior Living Inc.

Thomas B. Newell, president, sold 12,000 shares at $34.59 each on Aug. 23 and now holds 132,710.

Star Scientific Inc.

Francis E. O'Donnell Jr., trustee, sold 300,000 shares at $5 each on Aug. 23 and now holds 9,556,210.

Jonnie R. Williams, chief executive, bought 200,000 shares at $5 each on Aug. 23 and now holds 19,014,800.

TeleCommunication Systems Inc.

Drew A. Morin, chief technology officer, sold 1,500 shares at $4.80 each on Aug. 18 and now holds 715,301.

Trex Co. Inc.

Andrew U. Ferrari, director, sold 10,000 shares between $42.21 and $43.19 each from Aug. 20 to Aug. 23 and now holds 913,240.

United Defense Industries Inc.

John M. Shalikashvili, director, sold 11,250 shares at $37.21 each on Aug. 20 and now holds 20,424.

United Therapeutics Corp.

Fred T. Hadeed, chief financial officer, sold 1,944 shares at $30 each on Aug. 19 and now holds 1,000.

Roger Jeffs, president, sold 3,500 shares at $29.97 each on Aug. 19 and now holds 14,012.

Paul A. Mahon, general counsel, sold 2,000 shares at $30 each on Aug. 19 and now holds 12,000.

Martine A. Rothblatt, chief executive, sold 2,000 shares at $30 each on Aug. 19 and now holds 582,368.

Universal Security Instruments Inc.

Michael L. Kovens, beneficial owner of more than 10 percent, sold 4,163 shares at $10.36 each on Aug. 17 and now holds 331,867.

-- Thomson Financial