Below are insider transactions of 1,000 shares or more 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.

AlliedSignal Inc.

Russell E. Palmer,director, exercised an option for 2,000 shares of common at $17.79 each Feb. 8 and sold them for $42.56 each Feb. 8, and now directly holds 7,000 common.

Bell Atlantic Corp.

Donald J. Sacco,vice president, exercised an option for 2,430 shares of common at between $37.72 and $46 each Feb. 12. To cover expenses of the transaction, Sacco turned in 1,734 of them for $57.66 each Feb. 12 and now directly and indirectly holds 105,758 common.

Morrison D. Webb,vice president, exercised an option for 27,280 shares at between $25.96 and $27.77 each Feb. 12 and sold them for $57.66 each Feb. 12. He now directly and indirectly holds 41,740 common.

Columbia Bancorp.

Garnett V. Clark,director, sold 2,000 shares of common stock at $15.75 each Feb. 10 and he now directly holds 39,707 shares of common.

Columbia Energy Group

Malcolm Jozoff,director, purchased 1,000 shares of common stock at $50.56 each Feb. 26 and he now directly holds 2,500 shares of common.

General Motors Corp.

Dennis R. Minano,vice president, exercised an option for 2,074 shares of common at $48.16 each from Feb. 22 to Feb. 23. To cover expenses of the transaction, Minano turned in 1,152 of them for $86.63 each from Feb. 22 to Feb. 23, and sold 462 shares in the open market at $86.81 each from Feb. 22 to Feb. 23. He now directly and indirectly holds 1,900 Class H common and 8,161 common.

G. Richard Wagoner,president, exercised an option for 41,321 shares of common at between $31.23 and $48.16 each Feb. 22. To cover expenses of the transaction, Wagoner turned in 25,900 of them for $86.63 each Feb. 22 and now directly and indirectly holds 76,860 common and 20,141 Class H common.

Insider Trading is written by CDA/Investnet of Rockville.

Pub Date: 3/22/99