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INSM - Insmed Inc

Insider Sale by Smith Michael Alexander (GC)

1 Month
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Trade Summary

3 days ago, Smith Michael Alexander, serving as GC at Insmed Inc (INSM), sold 24,774 shares at $155.77 per share, for a total transaction value of $3,859,157.00. Following this transaction, Smith Michael Alexander now holds 51,871 shares of INSM.

This sale represents a 32.00% decrease in Smith Michael Alexander's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, February 24, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, February 25, 2026, 1 day after the trade was made.

Insmed Inc operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Smith Michael Alexander

GC

Michael Alexander Smith is the Chief Legal Officer (GC) of Insmed Incorporated (NASDAQ: INSM), a biopharmaceutical company focused on therapies for rare and serious diseases, particularly pulmonary infections.[[1]](https://www.gurufocus.com/insider/168633/michael-alexander-smith)[[4]](https://www.marketbeat.com/instant-alerts/michael-alexander-smith-sells-1053-shares-of-insmed-nasdaqinsm-stock-2026-01-08/) In early January 2026, Smith sold 3,258 shares of Insmed stock over three days (January 6-8) for approximately $549,494 at prices ranging from $173.33 to $175.07 per share, retaining direct ownership of 57,037 shares post-transaction; these sales were to satisfy tax withholding obligations upon vesting of Restricted Stock Units.[[2]](https://www.investing.com/news/insider-trading-news/insmed-chief-legal-officer-smith-sells-549k-in-stock-93CH-4438268)[[3]](https://www.tradingview.com/news/tradingview:45246566ea2d2:0-insmed-executives-conduct-series-of-stock-transactions/)[[4]](https://www.marketbeat.com/instant-alerts/michael-alexander-smith-sells-1053-shares-of-insmed-nasdaqinsm-stock-2026-01-08/) He has a history of insider trading activity, including sales of 1,448 shares on June 3, 2025, and 4,286 shares on November 3, 2025.[[5]](https://www.nasdaq.com/articles/insider-sale-chief-legal-officer-insm-sells-1448-shares)[[6]](https://dataroma.com/m/ins/ins.php?t=y2&rid=1870278)

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Trade Price

$155.77

Quantity

24,774

Total Value

$3,859,157.00

Shares Owned

51,871

Trade Date

Tuesday, February 24, 2026

3 days ago

SEC Filing Date

Wednesday, February 25, 2026

Filed 1 day after trade

HEALTHCAREBIOTECHNOLOGY

About Insmed Inc

Company Overview

No company information available
View news mentioning INSM

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