AES Corp.

Roger West Sant, director, sold 200,000 shares between $9.60 and $9.69 each on Aug. 2 and now holds 25,043,100.

Black & Decker Corp.

Barbara B. Lucas, officer, sold 25,000 shares between $69.26 and $69.49 each on July 30 and now holds 20,755.

CompuDyne Corp.

Martin A. Roenigk, chief executive, sold 5,000 shares at $9.16 each on July 28 and now holds 1,384,010.

Choice Hotels International Inc.

Joseph M. Squeri, chief financial officer, sold 32,500 shares between $52.66 and $53.13 each from July 30 to Aug. 3 and now holds 43,968.

Ciena Corp.

Robert A. O' Neil, officer, sold 953 shares at $2.84 each on Aug. 2 and now holds 235,963.

Capital One Financial Corp.

Peter A. Schnall, officer, sold 7,593 shares at $68.30 each on July 28 and now holds 70,109.

Applera Corp./Celera Genomics Group

Michael W. Hunkapiller, officer, sold 6,000 shares between $11.26 and $11.80 each on Aug. 2 and now holds 148,136.

CoStar Group Inc.

Andrew Colden Florance, chief executive, sold 53,092 shares between $41.30 and $43.21 each from July 29 to Aug. 2 and now holds 165,920.

Coventry Health Care Inc.

Thomas A. Davis, officer, sold 14,144 shares between $51.97 and $52.30 each on July 29 and now holds 53,795.

John J. Ruhlmann, officer, sold 15,000 shares at $50.82 each on July 28 and now holds 14,854.

DigitalNet Holdings Inc.

Michael C. Sanders, officer, sold 750 shares at $25.69 each on Aug. 2 and now holds 3,375.

Gannett Co.

Duncan M. McFarland, director, bought 1,500 shares between $82.76 and $82.77 each on July 27 and now holds 1,500.

General Dynamics Corp.

Bryan T. Moss, officer, sold 7,216 shares at $97.26 each on July 28 and now holds 10,109.

Gene Logic Inc.

Jules Blake, director, bought 2,500 shares between $3.59 and $3.64 each on July 28 and now holds 4,500.

Mark D. Gessler, chief executive, bought 15,000 shares between $3.49 and $3.61 each from July 28 to July 29 and now holds 195,321.

G. Anthony Gorry, director, bought 5,000 shares between $3.54 and $3.58 each on July 28 and now holds 5,000.

J. Stark Thompson, director, bought 3,000 shares between $3.49 and $3.50 each on July 28 and now holds 3,200.

HealthExtras Inc.

Michael P. Donovan, chief financial officer, sold 5,000 shares between $13.85 and $14.75 each on Aug. 2 and now holds 170,700.

Hilb, Rogal & Hobbs Co.

James Thomas Stiles, officer, bought 3,000 shares between $33.17 and $33.27 each on July 26 and now holds 3,000.

Jos. A. Bank Clothiers Inc.

Jeffrey L. Feinberg, beneficial owner of more than 10 percent, sold 125,000 shares at $30.81 each on July 27 and now holds 1,312,588.

Laureate Education Inc.

John A. Miller, director, sold 11,000 shares at $35.42 each on July 30 and now holds 19,000.

Legg Mason Inc.

Roger W. Schipke, director, sold 1,499 shares at $78.80 each on Aug. 2 and now holds 18,510.

Medifast Inc.

Michael C. MacDonald, director, bought 1,000 shares at $3.58 each on July 28 and now holds 36,854.

MedImmune Inc.

Barbara Hackman Franklin, director, sold 40,000 shares at $23.07 each on July 30 and now holds 4,925.

Portfolio Recovery Associates Inc.

Craig A. Grube, officer, sold 1,375 shares at $26.25 each on Aug. 2 and now holds 140,229.

Primus Telecommunications Group Inc.

John F. Depodesta, officer and director, bought 20,000 shares at $2 each on Aug. 3 and now holds 101,496.

SI International Inc.

S. Bradford Antle, president, bought 2,000 shares between $17.75 and $17.90 each from July 30 to Aug. 2 and now holds 27,076.

Paul R. Brubaker, officer, bought 1,000 shares at $17.99 each on July 30 and now holds 1,000.

Thomas E. Lloyd, officer, bought 4,000 shares between $17.85 and $17.99 each on July 30 and now holds 50,226.

Ray J. Oleson, chief executive, bought 3,839 shares between $17.56 and $18 each on July 29 and now holds 230,980.

Stanley Furniture Co.

Albert L. Prillaman, chairman, sold 13,500 shares between $41 and $41.01 each on July 28 and now holds 213,400.

Tredegar Corp.

Richard Warren Goodrum, director, sold 22,550 shares between $16.15 and $16.34 each from July 29 to July 30 and now holds 357,611.

Trex Co.

Anthony J. Cavanna, director and owner, sold 8,674 shares between $43.10 and $45 each from July 29 to July 30 and now holds 1,581,770.

Robert G. Matheny, chief executive, sold 6,000 shares between $42.31 and $44.03 each from July 27 to July 29 and now holds 1,324,300.

Harold F. Monahan, officer, sold 33,728 shares between $44.25 and $44.58 each on Aug. 2 and now holds 40,000.

United Defense Industries Inc.

Keith B. Howe, officer, sold 42,503 shares between $34.35 and $35.51 each from July 29 to Aug. 2 and now holds 31,800.

Virginia Financial Group Inc.

O. R. Barham Jr., chief executive, sold 1,047 shares at $31.80 each on Aug. 3 and now holds 12,994.

Visual Networks Inc.

Lawrence S. Barker, chief executive, bought 4,000 shares at $2.50 each on July 28 and now holds 97,885.

-- Thomson Financial