Medical device maker Penumbra rang the opening bell at the New York Stock Exchange on Friday.
Penumbra Chairman and CEO Adam Elsesser and members of the company's management team marked the start of trading along with a stroke survivor, Phyllis Danner, to celebrate the company's IPO. Its stock will trade on the NYSE under the ticker symbol "PEN."
Penumbra's medical devices treat patients with neurological and vascular conditions, including clogged arteries and aneurisms. Its products are marketed to doctors with patients who've tried other treatments or devices to no avail, according to the company's website.