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: 2024-01-04

Reporting Person: Smith Michael Alexander (General Counsel, Senior VP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-01-04	Common Stock	A	11800	—	Acquired	89364	Direct
2024-01-05	Common Stock	S	627	$29.305	Disposed	88737	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-01-04	Stock Option (right to buy)	$29.13	A	58260	Acquired	2034-01-04	Common Stock (58260)	Direct

Footnotes

F1: 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.

F2: Each Restricted Stock Unit was received as a grant on January 4, 2024, for no consideration.

F3: Includes 422 shares acquired through the Company's 2018 Employee Stock Purchase Plan.

F4: Shares sold to satisfy withholding tax obligations upon the vesting of Restricted Stock Units and to cover related broker fees.

F5: 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.