Home > Insider Trading > Filing (0001628280-25-025987)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1104506	Insmed Inc	INSM	Pharmaceutical Preparations (2834)	541972729

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1402051	William Lewis	700 Us Highway 202/206 Bridgewater NJ 08807	Chair And Ceo	Yes	Yes	No	No

Transaction Summary

Sold:	21,213 shares	Avg. Price: $66.73	Total Value: $1,415,572.81
Number of Shares After Transactions:	312,973 shares

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2025-05-13	9,743	$66.40	324,443	No	4	S	Direct
Common Stock	Disposition	2025-05-13	7,699	$67.70	316,744	No	4	S	Direct
Common Stock	Disposition	2025-05-14	3,771	$65.61	312,973	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	233,924	Indirect	By the Katie Procter Dynasty Trust
Common Stock	50,500	Indirect	By the William Lewis Family Legacy Trust

Footnotes

Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees.
This is the weighted average sales price representing 9,743 shares sold at prices ranging from $66.02 to $67.00 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request.
This is the weighted average sales price representing 7,699 shares sold at prices ranging from $67.11 to $67.81 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request.