William Blair’s latest rating for INSM stock

In a filing, Insmed Inc revealed its Director SHAROKY MELVIN MD unloaded Company’s shares for reported $1.29 million on Aug 20 ’25. In the deal valued at $129.50 per share,10,000 shares were sold. As a result of this transaction, SHAROKY MELVIN MD now holds 274,516 shares worth roughly $35.23 million.

Then, Adsett Roger sold 25,000 shares, generating $3,189,586 in total proceeds. Upon selling the shares at $127.58, the Chief Operating Officer now owns 105,637 shares.

Before that, Lewis William sold 6,865 shares. Insmed Inc shares valued at $881,470 were divested by the Chair and CEO at a price of $128.40 per share. As a result of the transaction, Lewis William now holds 233,924 shares, worth roughly $30.02 million.

William Blair initiated its Insmed Inc [INSM] rating to an Outperform in a research note published recently. A number of analysts have revised their coverage, including Morgan Stanley’s analysts, who decreased its forecast for the stock in mid August from “an Overweight” to “an Equal-weight”. Jefferies began covering INSM with “Buy” recommendation on May 13, 2025. RBC Capital Mkts started covering the stock on February 25, 2025. It rated INSM as “an Outperform”.

Price Performance Review of INSM

On Monday, Insmed Inc [NASDAQ:INSM] saw its stock fall -2.70% to $128.32. Over the last five days, the stock has gained 0.83%. Insmed Inc shares have risen nearly 66.63% since the year began. Nevertheless, the stocks have risen 85.86% over the past one year. While a 52-week high of $133.56 was reached on 08/22/25, a 52-week low of $60.40 was recorded on 04/09/25.

Levels Of Support And Resistance For INSM Stock

The 24-hour chart illustrates a support level at 126.65, which if violated will result in even more drops to 124.98. On the upside, there is a resistance level at 131.36. A further resistance level may holdings at 134.40.

How much short interest is there in Insmed Inc?

A steep rise in short interest was recorded in Insmed Inc stocks on 2025-07-31, dropping by -0.26 million shares to a total of 9.54 million shares. Yahoo Finance data shows the prior-month short interest on 2025-06-30 was 9.8 million shares. There was a decline of -2.72%, which implies that there is a negative sentiment for the stock.

The most recent change occurred on April 23, 2024 when Truist began covering the stock and recommended ‘”a Buy”‘ rating along with a $48 price target.

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