Inspire Medical Misled Investors on Device Launch, Suit Says (1)

Inspire Medical Systems Inc. falsely touted its preparations for launching a new sleep apnea device, customer demand for the product, and initial successes before reporting sluggish sales, an investor alleges.

“As a result of its disastrous Inspire V launch, Inspire was forced to reduce its 2025 earnings guidance by more than 80%,” causing a single-day 32% stock drop, the investor—a Pontiac, Mich., retirement fund—says in a proposed class action. The fund filed its complaint Thursday in the US District Court for the District of Minnesota.

Inspire and its top executives allegedly reassured the market that the Inspire V device, ...