INSMED Inc — Director's Dealing 2024

Jan 5, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED Inc (INSM)
CIK: 0001104506
Period of Report: 2024-01-03

Reporting Person: Wise John Drayton (Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-01-03	Stock Option (right to buy)	M	20071	$19.11	Acquired	124055	Direct
2024-01-03	Stock Option (right to buy)	S	20071	$29.19	Disposed	103984	Direct
2024-01-04	Common Stock	A	12873	—	Acquired	116857	Direct
2024-01-05	Common Stock	S	1167	$29.32	Disposed	115690	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-01-03	Stock Option (right to buy)	$19.11	M	20071	Disposed	2024-02-10	Common Stock (20071)	Direct
2024-01-04	Stock Option (right to buy)	$29.13	A	63560	Acquired	2034-01-04	Common Stock (63560)	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 1,303 shares acquired through the Company's 2018 Employee Stock Purchase Plan.

F3: This is the weighted average sales price representing 20,071 shares sold at prices ranging from $28.915 to $29.39 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.

F4: Represents Restricted Stock Units, each representing a contingent right to receive one share of Common Stock, granted pursuant to the Company's Amended and Restated 2019 Incentive Plan. The Restricted Stock Units vest and become available as follows: twenty five (25%) percent on each anniversary of the date of grant through the fourth anniversary date of the date of the grant.

F5: Each Restricted Stock Unit was received as a grant on January 4, 2024, for no consideration.

F6: Shares sold to satisfy withholding tax obligations upon the vesting of Restricted Stock Units and to cover related broker fees.

F7: Stock options granted under the Company's 2013 Incentive Plan. The options became exercisable based on the following vesting schedule: twenty five percent (25%) vested on the first anniversary of the grant date and an additional twelve and one half percent (12.5%) vested on each sixth month anniversary date thereafter through the fourth anniversary date of the date of grant.

F8: Stock options granted under the Company's Amended and Restated 2019 Incentive Plan. The options become exercisable based on the following vesting schedule: twenty five percent (25%) vest on the first anniversary of the grant date and an additional twelve and one half percent (12.5%) vest on each sixth month anniversary date thereafter through the fourth anniversary date of the date of grant.