INSMED Inc — Director's Dealing 2021

Oct 1, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INSMED Inc (INSM)
CIK: 0001104506
Period of Report: 2021-09-30

Reporting Person: Lewis William (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-30	Common Stock	M	96614	$3.4	Acquired	298833	Direct
2021-09-30	Common Stock	S	83307	$27.32	Disposed	215526	Direct
2021-09-30	Common Stock	S	13307	$27.64	Disposed	202219	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-09-30	Stock Option (right to buy)	$3.4	M	96614	Disposed	2022-09-10	Common Stock (96614)	Direct

Footnotes

F1: The transactions reported in this Form 4 were 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 748 shares acquired through the Company's 2018 Employee Stock Purchase Plan.

F3: This is the weighted average sales price representing 83,307 shares sold at prices ranging from $26.60 to $27.59 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: This is the weighted average sales price representing 13,307 shares sold at prices ranging from $27.60 to $27.74 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: 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 of the date of grant.