Securities trades recently reported to the Securities and Exchange Commission by officers, directors and principal shareholders of corporations based or having sizable employment in the Philadelphia area. Titles are as reported to the SEC.

Advanta Corp.

Philip M. Browne

, chief financial officer, sold 4,000 shares at $46.60 to $47 on Jan. 17, and now directly and indirectly holds 125,880 shares.

Arrow International Inc.

Marlin Miller Jr.

, director, sold 20,000 shares at $34.12 to $34.58 on Jan. 16 to Jan. 23, and now directly holds 4,137,210 shares.

Bio-Imaging Technologies Inc.

Ted I. Kaminer

, chief financial officer, sold 4,000 shares at $8.29 to $8.32 on Jan. 17, and now directly holds 33,333 shares.

Brandywine Realty Trust

Michael V. Prentiss

, director, sold 29,766 shares at $33.45 on Jan. 17, and now directly holds 796,845 shares.

Commerce Bancorp Inc.

Donald T. Difrancesco

, director, bought 4 shares at $30.45 on Jan. 19, and now indirectly holds 9,931 shares.

Vernon W. Hill II, chief executive officer, bought 886 shares at $32.51 on Jan. 19, and now directly holds 3,930,730 shares.

Steven M. Lewis, director, bought 513 shares at $30.45 to $32.51 on Jan. 19, and now directly and indirectly holds 953,767 shares.

William A. Schwartz Jr., director, bought 487 shares at $30.45 to $32.51 on Jan. 19, and now directly and indirectly holds 112,510 shares.

Environmental Tectonics Corp.

Howard W. Kelley Jr.

, director, bought 500 shares at $3.30 on Jan. 17, and now directly holds 5,807 shares.

Nobel Learning Communities Inc.

Wynnefield Partners Small Cap Value L.P.

, beneficial owner, bought 35,900 shares at $11.50 on Jan. 23, and now indirectly holds 3,246,000 shares.

SOURCES: Thomson Financial; Securities and Exchange Commission filings.