Below are recent insider transactions of 1,000 shares or more for publicly held companies based in Maryland or having substantial operations in the state. Insiders are officers, directors or owners of 10 percent or more of a corporation's stock.
Columbia Gas System
Daniel L. Bell, retired, exercised an option for 4,000 shares of common at $38.31 each on Nov. 21, 1995, and now directly and indirectly holds 16,596 common.
Computer Data Systems
Raymond B. Hoxeng, director, indirectly sold 2,000 shares of common at $14.88 each on Nov. 7, 1995, and now indirectly holds 46,000 common.
Mary Ann Mayhew, vice president, exercised an option for 4,200 shares of common at $4.19 each on Nov. 6, 1995, and sold 2,050 shares at $14.75 each on Nov. 6, 1995, and now directly and indirectly holds 7,902 common.
Education Alternatives
John T. Golle, chairman, sold 45,000 shares of common at $4.02 each on Nov. 27, 1995, and now directly and indirectly holds 240,906 common.
Robert I. Karon, director, sold 25,000 shares of common at $3.94 each on Nov. 22, 1995, and now directly and indirectly holds 86,707 common.
First Fidelity Bancorp.
Roland K. Bullard, officer and director, exercised an option for 53,650 shares of common at $45.38 each from Nov. 15 to Nov. 17, 1995, and sold 78,650 shares between $69.13 and $70.38 each from Nov. 15 to Nov. 17, 1995, and now directly holds 18,554 common.
General Motors
Michael T. Smith, officer of subsidiary, exercised an option for 11,100 shares of Class H common at $25.38 each on Nov. 2, 1995, and sold them at $42.50 each on Nov. 2, 1995, and now directly and/or indirectly holds 13,287 Class H common and 1,867 common.
Guilford Pharmaceutical
John H. Newman, director, purchased 1,000 shares of common between $12.75 and $13.25 each from Dec. 1 to Dec. 4, 1995, and now directly and indirectly holds 6,500 common.
HCIA
John Morrow, vice president, exercised an option for 2,333 shares of common at $10.50 each on Nov. 17, 1995, and sold them at $38.94 each on Nov. 17, 1995, and no longer holds shares in the company.
Barry C. Offutt, vice president, exercised an option for 2,000 shares of common at $10.50 each on Nov. 16, 1995, and sold them at $34.50 each on Nov. 16, 1995, and no longer holds shares in the company.
MCI Communications
John Gerdelman, vice president, exercised an option for 18,000 shares of common at $15.81 each on Nov. 6, 1995, and sold them at $25.63 each on Nov. 6, 1995, and now directly and indirectly holds 45,372 common.
Seth D. Blumenfeld, officer of subsidiary, sold 20,000 shares of -- common at $25.75 each on Nov. 8, 1995, and now directly and indirectly holds 143,914 common.
Telecommunications PLC British, beneficial owner, purchased 685,000 shares of common between $26.13 and $26.50 each from Nov. 17 to Nov. 22, 1995, and now directly holds 685,000 common.
Scott B. Ross, officer of subsidiary, exercised an option for 10,000 shares of common at $9.94 each on Nov. 8, 1995, and sold them at $25.88 each on Nov. 8, 1995, and now directly and indirectly holds 58,698 common.
John R. Worthington, vice president, sold 38,417 shares of common at $25.69 each on Nov. 6, 1995, and now directly and indirectly holds 446,581 common.
Micro-Integration Corp.
Wayne M. Lee, director, purchased 2,000 shares of common at $2.13 each on Nov. 16, 1995, and now directly holds 9,000 common.
Life Technologies
Thomas M. Coutts, divisional officer, exercised an option for 17,001 shares of common between $18.38 and $18.63 each on Nov. 17, 1995, and sold them between $24.70 and $25.13 each on Nov. 17, 1995, and no longer holds shares in the company.
Joseph Clement Stokes, vice president, exercised an option for 1,555 shares of common at $14.25 on Nov. 8, 1995, and sold them at $25.50 on Nov. 8, 1995. He indirectly exercised an option for 1,400 shares at $13.25 each on Nov. 3, 1995. To cover expenses of the transaction, Mr. Stokes turned in 738 of them for $25.13 each on Nov. 3, 1995, and now directly and indirectly holds 3,917 common.
J. Stark Thompson, president, exercised an option for 6,667 shares of common at $13.25 on Nov. 8, 1995. To cover expenses of the transaction, Mr. Thompson turned in 3,464 for $25.50 each on Nov. 8, 1995, and now directly and indirectly holds 24,370 common.
