INSMED Inc 4

INSMED Inc Chief Legal Officer Michael Alexander Smith sold 1,806 shares of common stock at about $95.82 per share under a 10b5-1 plan.

On June 22, 2026, Michael Alexander Smith, Chief Legal Officer of INSMED Inc, sold 1,806 shares of the company’s common stock at approximately $95.82 per share under a pre-arranged Rule 10b5-1 trading plan, for total proceeds of about $173,000. Following this planned sale, he retained direct ownership of 37,648 shares of INSMED common stock. The transaction appears to be a routine insider sale executed pursuant to the previously adopted trading plan dated November 7, 2025.

Filing Facts

CIK

1104506

Ticker

INSM

Form

4

Source Type

sec

Accession

0001870278-26-000020

Alert Tier

5