Below are insider transactions for publicly held companies based in Maryland or having substantial operations here. Insiders are officers, directors or owners of 10 percent or more of a corporation's stock.

Guilford Pharma. Inc.

Andrew R. Jordan, vice president, disposed of, by gift, 650 shares of common stock at an unreported price May 17 and now directly and indirectly holds 130,339 common.

Info. Resources Eng.

Thomas A. Brooks, director, disposed of, by gift, 500 shares of common at an unreported price from May 4 to May 10 and now directly holds 2,500 common.

Procter & Gamble Co.

Edwin L. Artzt, director, disposed of, by gift, 4,200 shares of common at an unreported price May 21 and now directly holds 471,489 common.

T. Rowe Price

Michael David Testa, director, disposed of, by gift, 4,170 shares of common at an unreported price May 12 and now directly and indirectly holds 1,246,717 shares of common.

Insider Trading is written by CDA/Investnet of Rockville.

Pub Date: 7/12/99