INSMED Inc — Director's Dealing 2024

May 30, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED Inc (INSM)
CIK: 0001104506
Period of Report: 2024-05-28

Reporting Person: Smith Michael Alexander (Chief Legal Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-05-28	Common Stock	M	7000	$16.07	Acquired	101579	Direct
2024-05-28	Common Stock	M	10000	$16.16	Acquired	111579	Direct
2024-05-28	Common Stock	M	3691	$10.85	Acquired	115270	Direct
2024-05-28	Common Stock	M	3470	$11.38	Acquired	118740	Direct
2024-05-28	Common Stock	M	14810	$13.67	Acquired	133550	Direct
2024-05-28	Common Stock	S	44722	$49.53	Disposed	88828	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-05-28	Stock Option (right to buy)	$16.07	M	7000	Disposed	2025-01-08	Common Stock (7000)	Direct
2024-05-28	Stock Option (right to buy)	$16.16	M	10000	Disposed	2026-01-07	Common Stock (10000)	Direct
2024-05-28	Stock Option (right to buy)	$10.85	M	3691	Disposed	2026-05-19	Common Stock (3691)	Direct
2024-05-28	Stock Option (right to buy)	$11.38	M	3470	Disposed	2026-08-02	Common Stock (3470)	Direct
2024-05-28	Stock Option (right to buy)	$13.67	M	14810	Disposed	2027-01-05	Common Stock (14810)	Direct

Footnotes

F1: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2: The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant. All options are currently exercisable.