04:43 PM EDT, 09/16/2024 (MT Newswires) -- MBX Biosciences ( MBX ) said late Monday it has closed its upsized initial public offering of more than 11.7 million shares at $16 apiece for gross proceeds of about $187.7 million.

The closed offering includes 1.53 million shares issued upon the exercise in full by the underwriters of their option to buy more shares, the company said.

The shares started trading on Nasdaq on Friday, the company added.

Shares of the company rose 1.6% in recent after-hours activity.

Price: 22.00, Change: +0.35, Percent Change: +1.62