Shares of EV3 Inc. plunged 13 percent Monday after the Plymouth-based medical device company replaced its chief executive and cut first-quarter revenue guidance.
EV3, which makes stents, coils, balloons and catheters that treat vascular diseases, continues to experience difficulties integrating the operations of FoxHollow Technologies Inc., which it purchased in October for $780 million.
Monday's decline was especially painful for investors, who have seen EV3 shares drop 40 percent over the past year.
James Corbett, who has served as CEO since January 2004, resigned from the post, as well as from the chairman's and president's positions.
He was replaced by 20-year medical technology veteran Robert Palmisano as CEO and president. Board member Dan Levangie was named chairman of the board.
Reached Monday afternoon, Corbett declined to comment. Corbett is well-known in Twin Cities med-tech circles for having spent part of his career at SciMed Life Systems Inc., a signature local company that is now the cardiovascular division of Boston Scientific Corp.
EV3 said in a securities filing that Corbett's resignation "was not the result of any disagreement or other dispute with the company."
The bulk of Palmisano's experience has been in the pharmaceutical and ophthalmology areas -- different from the peripheral, vascular and neurovascular markets that dominate EV3's business.