Federal Agricultural Mortgage Corp.

Zions Bancorp, beneficial owner of more than 10 percent, sold 10,000 shares between $19.66 and $19.75 each from Sept. 10 to Sept. 13 and now holds 1,405,000.

American Woodmark Corp.

David L. Blount, officer, sold 4,278 shares at $69.23 each on Sept. 10 and now holds 261,910.

William F. Brandt Jr., director and owner, sold 26,000 shares between $69.20 and $71 each from Sept. 8 to Sept. 13 and now holds 3,960,960.

Anteon International Corp.

Curtis L. Schehr, general counsel, sold 7,800 shares between $33.87 and $35.25 each from Sept. 10 to Sept. 13 and now holds 17,400.

Capital Automotive REIT

Lisa M. Clements, chief financial officer, sold 1,800 shares at $31.18 each on Sept. 9 and now holds 12,487.

CompuDyne Corp.

Martin A. Roenigk, chief executive, sold 5,000 shares at $9.02 each on Sept. 8 and now holds 1,354,010.

Capital One Financial Corp.

John G. Finneran Jr., general counsel, sold 50,000 shares at $71.50 each on Sept. 10 and now holds 83,265.

CapitalSource Inc.

William G. Byrnes, director, bought 4,000 shares at $20.38 each on Sept. 10 and now holds 12,000.

Coventry Health Care Inc.

Thomas P. McDonough, chief operating officer, sold 25,000 shares between $51.80 and $52.25 each on Sept. 13 and now holds 1,048,610.

Dollar Tree Stores Inc.

Alan L. Wurtzel, director, sold 4,835 shares between $25.11 and $25.13 each on Sept. 10 and now holds 20,000.

Federal Realty Investment Trust

Amy Beth Lane, director, sold 1,250 shares at $45.80 each on Sept. 9 and now holds 8,031.

Micros Systems Inc.

Daniel G. Interlandi, officer, sold 8,660 shares at $50.95 each on Sept. 14 and now holds 8,908.

Markel Corp.

Leslie A. Grandis, director, sold 400 shares at $304 each on Sept. 8 and now holds 19,664.

Municipal Mortgage & Equity LLC

Robert J. Banks, officer, sold 86,400 shares between $25.04 and $25.24 each from Sept. 7 to Sept. 14 and now holds 524,750.

Novavax Inc.

Gary C. Evans, director, bought 10,300 shares between $3.24 and $3.54 each from Sept. 10 to Sept. 13 and now holds 98,300.

Nextel Communications Inc.

Timothy M. Donahue, chief executive, sold 200,000 shares at $24 each from Sept. 10 to Sept. 13 and now holds 1,420,630.

Orbital Sciences Corp.

Janice I. Obuchowski, director, bought 900 shares at $11.82 each on Sept. 13 and now holds 12,805.

Tessco Technologies Inc.

Advisory Research Inc., beneficial owner of more than 10 percent, bought 11,650 shares between $10.99 and $11.40 each from Sept. 8 to Sept. 9 and now holds 495,497.

Advisory Research Microcap Value Fund LP, beneficial owner of more than 10 percent, sold 1,100 shares at $11.34 each on Sept. 10 and bought 11,650 shares between $10.99 and $11.40 each from Sept. 8 to Sept. 9 and now holds 495,497.

Trex Co.

Anthony J. Cavanna, director and owner, sold 13,261 shares between $44.59 and $48.70 each from Sept. 8 to Sept. 14 and now holds 1,523,340.

Andrew U. Ferrari, director, sold 3,750 shares between $47.79 and $48.60 each on Sept. 14 and now holds 896,177.

Robert G. Matheny, chief executive, sold 4,000 shares between $47.98 and $48.60 each on Sept. 14 and now holds 1,282,300.

-- Thomson Financial