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Filing Details

Accession Number:: 0001628280-25-030961
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2025-06-12 16:19:16
Reporting Period:: 2025-06-10

Filing Date:: 2025-06-12
Accepted Time:: 2025-06-12 16:19:16
SEC Url:: Form 4 Filing

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
1604019	Sara Bonstein	700 Us Highway 202/206 Bridgewater NJ 08807	Chief Financial Officer	No	Yes	No	No

Transaction Summary

Sold:	57,766 shares	Avg. Price: $89.12	Total Value: $5,148,024.17
Number of Shares After Transactions:	103,412 shares

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2025-06-10	24,150	$18.95	137,438	No	4	M	Direct
Common Stock	Acquisiton	2025-06-10	23,740	$17.07	161,178	No	4	M	Direct
Common Stock	Disposition	2025-06-10	7,277	$87.12	153,901	No	4	S	Direct
Common Stock	Disposition	2025-06-10	7,310	$88.29	146,591	No	4	S	Direct
Common Stock	Disposition	2025-06-10	20,926	$88.99	125,665	No	4	S	Direct
Common Stock	Disposition	2025-06-10	15,825	$89.85	109,840	No	4	S	Direct
Common Stock	Disposition	2025-06-10	6,328	$90.93	103,512	No	4	S	Direct
Common Stock	Disposition	2025-06-10	100	$91.66	103,412	No	4	S	Direct

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

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (right to buy)	Disposition	2025-06-10	24,150	$0.00	24,150	$18.95
Common Stock	Stock Option (right to buy)	Disposition	2025-06-10	23,740	$0.00	23,740	$17.07

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
134,260		2033-05-11	No	4	M	Direct
35,610		2032-05-11	No	4	M	Direct

Footnotes

This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 5, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.
This is the weighted average sales price representing 7,277 shares sold at prices ranging from $86.43 to $87.39 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 7,310 shares sold at prices ranging from $87.54 to $88.53 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 20,926 shares sold at prices ranging from $88.54 to $89.53 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 15,825 shares sold at prices ranging from $89.54 to $90.53 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 6,328 shares sold at prices ranging from $90.55 to $91.44 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.
The options become exercisable based on the following vesting schedule: 25% vest on the first anniversary of the grant date and an additional 12.5% vest on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant.