INSMED Inc — Director's Dealing 2025

Jan 11, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED Inc (INSM)
CIK: 0001104506
Period of Report: 2025-01-07

Reporting Person: Wise John Drayton (Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-01-07	Common Stock	M	10000	$16.07	Acquired	132492	Direct
2025-01-07	Common Stock	S	10000	$65.98	Disposed	122492	Direct
2025-01-07	Common Stock	S	2908	$65.87	Disposed	119584	Direct
2025-01-08	Common Stock	S	392	$66.21	Disposed	119192	Direct
2025-01-08	Common Stock	A	6657	—	Acquired	125849	Direct
2025-01-10	Common Stock	S	287	$65.40	Disposed	125562	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-01-07	Stock Option (right to buy)	$16.07	M	10000	Disposed	2025-01-08	Common Stock (10000)	Direct
2025-01-08	Stock Option (right to buy)	$65.72	A	31930	Acquired	2035-01-08	Common Stock (31930)	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: Includes 835 shares acquired through the Company's 2018 Employee Stock Purchase Plan.

F3: Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units (RSUs) and to cover related broker fees.

F4: This is the weighted average sales price representing 2,908 shares sold at prices ranging from $65.84 to $65.93 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.

F5: Represents RSUs, each representing a contingent right to receive one share of Common Stock, granted pursuant to the Company's Amended and Restated 2019 Incentive Plan, as amended. The RSUs vest as follows: 25% on the first day of the first month following the first anniversary of the date of grant (the Initial Vesting Date) and 25% on each anniversary of the Initial Vesting Date until fully vested.

F6: Each RSU was granted on January 8, 2025 for no consideration.

F7: 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.

F8: These stock options were granted under the Company's Amended and Restated 2019 Incentive Plan, as amended. The options become exercisable based on the following vesting schedule: 25% vest on the Initial Vesting Date and an additional 12.5% vest every six months thereafter until fully vested.