In a filing, Insmed Inc revealed its Chair and CEO Lewis William unloaded Company’s shares for reported $1.7 million on Jan 20 ’26. In the deal valued at $158.93 per share,10,699 shares were sold. As a result of this transaction, Lewis William now holds 306,891 shares worth roughly $47.94 million.
Then, William Lewis bought 10,699 shares, generating $1,700,420 in total proceeds.
Before that, Lewis William sold 19,215 shares. Insmed Inc shares valued at $3,247,349 were divested by the Chair and CEO at a price of $169.00 per share. As a result of the transaction, Lewis William now holds 306,891 shares, worth roughly $47.94 million.
Roth Capital initiated its Insmed Inc [INSM] rating to a Buy in a research note published on January 23, 2026; the price target was $212. Rothschild & Co Redburn began covering INSM with “Buy” recommendation on December 04, 2025.
Price Performance Review of INSM
On Friday, Insmed Inc [NASDAQ:INSM] saw its stock fall -2.61% to $156.21. Over the last five days, the stock has lost -1.92%. Insmed Inc shares have risen nearly 99.12% since the year began. Nevertheless, the stocks have fallen -10.24% over the past one year.
How much short interest is there in Insmed Inc?
A steep rise in short interest was recorded in Insmed Inc stocks on 2025-12-31, growing by 1.15 million shares to a total of 11.02 million shares. Yahoo Finance data shows the prior-month short interest on 2025-11-28 was 9.87 million shares. There was a rise of 10.43%, which implies that there is a positive sentiment for the stock.
The most recent change occurred on October 20, 2025 when Wells Fargo began covering the stock and recommended ‘”an Overweight”‘ rating along with a $171 price target.






