IPG Photonics Corp.

Marlborough-based IPG Photonics named former Varian Medical Systems executive Kolleen Kennedy to its board of directors, expanding the board to 11 members.

When Shacey Petrovic stepped down as CEO of Acton medical-device company Insulet in May for personal reasons, she left Central Massachusetts without a single public company headquartered here, traded on NASDAQ or New York Stock Exchange, with a woman as CEO.

Product lines created by IPG Photonics have been acquired by a California company in an all-cash transaction. 

Profits at IPG Photonics fell by 18% in the second quarter, and the Oxford fiber lasers manufacturer said it is launching a new, $300 million stock repurchase program. 

Central Massachusetts has a new highest-paid public company leader: Ernie Herrman, president and CEO of the TJX Cos. Inc. in Framingham.

IPG Photonics, the Oxford-based manufacturer of fiber lasers, is being removed from S&P Global Ratings’ most high-profile index for large companies.

The severing of economic ties between the U.S. and Russia is likely to prove a challenge for IPG Photonics, which was founded in Russia and has long-standing ties to the country.

Oxford laser manufacturer IPG Photonics reported on Tuesday revenue of $364.5 million in the company’s fourth quarter earnings report.

Laser manufacturer IPG Photonics, based in Oxford, is facing an investigation into equipment shipments, the company disclosed in its third quarter earnings report in 2021.

Following the Oct. 22 death of Founder, Chairman, and former CEO Valentin Gapontsev, laser manufacturer IPG Photonics of Oxford has named longtime board member, and its lead independent director, John Peeler as the new chairman of the board.