Insider Transactions is a weekly report of stock transactions involving officers and directors of publicly owned local companies.

Stock trading by corporate insiders often is a bellwether of corporate health. Most insiders buy stock or exercise options to make a profit. And insiders may be selling stock for tax reasons, estate planning or cash needs.

The following insider transactions involving local companies were compiled by States News Service from reports to the Securities and Exchange Commission.

BDM INTERNATIONAL

William E. Sweeney Jr., a vice president of BDM International of McLean, exercised an option to acquire 4,000 shares of the company's class A common stock on Jan. 6. Sweeney now holds 27,640 class A common shares directly.

GANNETT

John J. Curley, president of Gannett Co. Inc. of Arlington, acquired 10,000 common shares through the exercise of an option on Jan. 21. Curley now holds 55,897 common shares directly.

GIANT FOOD

David B. Sykes, an officer and a director of Giant Food of Landover, exercised options to acquire 8,500 shares of the company's class A common stock on Jan. 15. Sykes now holds 121,597 class A common shares directly.

KAY JEWELERS

Anthonie C. Van Ekris, chairman of Kay Jewelers of Alexandria, acquired 1,300 common shares in an open-market purchase on Dec. 8. Van Ekris now holds 715,476 common shares directly.

MARRIOTT

Frederic V. Malek, an officer of Washington-based Marriott, sold 32,000 common shares on the open market between Jan. 4 and Jan. 27. Malek now holds 213,157 common shares directly.

Vice president Todd Clist sold 8,331 common shares on the open market between Jan. 19 and Jan. 25. Clist now owns 3,750 common shares directly.

MARTIN MARIETTA

Thomas G. Pownall, chairman of Martin Marietta of Bethesda, surrendered 54,888 company common shares to acquire 253,125 common shares in the exercise of options on Jan. 28. Pownall now holds 235,125 common shares directly.

Officer Norman R. Augustine sold 15,776 common shares in open-market transactions on Feb. 3. Augustine now owns 4,188 common shares directly.

Vice president Robert J. Polutchko disposed of his 8,863 common-share stake in the company. Polutchko sold the stock in an open-market transaction on Jan. 28.

Janice K. Henry, a company officer, sold 1,935 common shares in an open-market transaction on Jan. 21 and now holds 55,897 common shares directly.

MANOR CARE

James H. Rempe, a vice president of Manor Care of Silver Spring, exercised an option to acquire 3,250 company common shares on Jan. 14. Rempe currently owns 46,291 common shares directly.

SMITHFIELD FOODS

Charles L. Pope, an officer of Smithfield Foods of Arlington, acquired 4,000 common shares through the exercise of an option on Jan. 18 and 600 common shares in an open-market purchase on Jan. 19. Pope now owns 12,000 common shares directly.

STRATEGIC PLANNING ASSOCIATES

Ann F. Hackett, a vice president of Strategic Planning Associates of Washington, acquired 500 shares of the company's class B common stock in an open-market purchase on Jan. 28. Hackett currently holds 20,000 class B common shares directly and 17,600 class B common shares indirectly.

Vice president Lance B. Hackett purchased 500 class B common shares in an open-market transaction on Jan. 28. Hackett now owns 17,600 class B common shares directly and 20,000 class B common shares indirectly.

USAIR GROUP

Edward A. Horrigan, a director of USAir Group of Arlington, acquired 500 common shares in an open-market purchase on Jan. 27. Horrigan now owns 500 common shares directly.