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.

Airgas Inc.

Peter McCausland

, officer and director, exercised an option for 182,500 shares at $43.06 to $91.92 on Dec. 17; the holdings were not reported.

Ametek Inc.

Elizabeth R. Varet

, director, sold 1,000 shares at $51.72 on Dec. 18, and now directly holds 401,899 shares.

Buckeye Partners L.P.

Keith E. St. Clair

, chief financial officer, sold 4,000 shares at $75.63 on Dec. 17, and now directly holds 55,819 shares.

Babson Capital Global Short Duration High Yield Fund

M. Timothy Corbett

, member of committee or advisory board, bought 1,000 shares at $20.84 on Dec. 11, and now directly holds 2,200 shares.

Sean Feeley, officer, bought 2,000 shares at $20.25 on Dec. 18, and now directly holds 6,061 shares.

Thomas F. Finke, investment adviser, bought 2,000 shares at $20.11 to $20.15 on Dec. 18, and now directly holds 31,000 shares.

Michael Freno, officer, bought 2,000 shares at $20.33 on Dec. 16, and now directly holds 7,000 shares.

Arthur J. McMahon, affiliate, bought 100 shares at $20.69 on Dec. 17, and now directly holds 500 shares.

Russell Morrison, president, bought 2,000 shares at $20.64 on Dec. 12, and now directly holds 7,000 shares.

Comcast Corp.

Kenneth J. Bacon

, director, sold 3,000 shares at $55.00 on Dec. 15, and now directly holds 15,106 shares.

Epam Systems Inc.

Arkadiy Dobkin

, chief executive officer, sold 45,427 shares at $49.46 on Dec. 15, and now directly holds 2,680,760 shares.

Incyte Corp.

Richard S. Levy

, officer, sold 12,000 shares at $72.36 on Dec. 16, and now directly holds 18,205 shares.

Interdigital Inc. Pa

William J. Merritt

, president, sold 5,000 shares at $53.36 on Dec. 18, and now directly holds 135,977 shares.

Knoll Inc.

Andrew B. Cogan

, chief executive officer, sold 80,185 shares at $20.01 to $20.23 on Dec. 17 and 18, and now directly holds 785,841 shares.

Michael A. Pollner, general counsel, sold 1,046 shares at $20.03 on Dec. 17, and now directly holds 47,500 shares.

Craig B. Spray, chief financial officer, sold 3,674 shares at $20.07 Dec. 17 and 18, and now directly holds 73,334 shares.

Lincoln National Corp.

William J. Avery

, director, sold 11,082 shares at $54.72 on Dec. 15, and now directly holds 28,194 shares.

National Penn Bancshares Inc.

Christian F. Martin IV

, director, bought 971 shares at $10.30 on Dec. 17, and now directly holds 505,826 shares.

Photomedex Inc.

Dennis M. McGrath

, president, sold 55,000 shares at $1.12 to $1.16 on Dec. 15 and Dec. 16, and now directly holds 256,136 shares.

PNC Financial Services Group

Neil F. Hall

, officer, sold 44,000 shares at $88.12 on Dec. 15, and now directly holds 33,590 shares.

RCM Technologies Inc.

Michael Saks

, officer, exercised an option for 30,000 shares at $4.40 to $4.91 on Dec. 15; the holdings were not reported.

Danny A. White, officer, exercised an option for 10,000 shares at $4.40 on Dec. 15; the holdings were not reported.

Safeguard Scientifics Inc.

Jeffrey B. McGroarty

, chief financial officer, sold 7,553 shares at $18.74 to $18.76 on Dec. 12, and now directly holds 16,103 shares.

Toll Bros. Inc.

Joseph R. Sicree

, officer, sold 10,429 shares at $31.46 on Dec. 17, and now directly holds 25,290 shares.

Douglas C. Yearley Jr., CEO, sold 18,692 shares at $31.71 on Dec. 17, and now directly holds 87,309 shares.

Rait Financial Trust

Scott L.N Davidson

, president, exercised an option for 25,000 shares at $5.68 on Dec. 11; the holdings were not reported.

Kenneth Frappier, officer, sold 68,310 shares at $7.51 on Dec. 12, and now directly holds 32,194 shares.

Sunoco Logistics Partners L.P.

Basil Leon Bray

, director, bought 500 shares at $42.35 on Dec. 12, and now directly holds 1,000 shares.

Tyco International Ltd.

Arun Nayar

, chief financial officer, sold 21,500 shares at $42.45 on Dec. 18, and now directly holds 142,269 shares.

UGI Corp.

Monica M. Gaudiosi

, general counsel, bought 2,000 shares at $36.45 Dec. 16, and now directly holds 19,168 shares.

Anne Pol, director, sold 6,750 shares at $37.55 on Dec. 12, and now directly holds 124,376 shares.

Roger B. Vincent, director, exercised an option for 12,750 shares at $14.92 on Dec. 15; the holdings were not reported.

WSFS Financial Corp.

David G. Turner

, director, bought 484 shares at $76.48 on Dec. 12, and now directly holds 2,463 shares.