Elizabeth M. Anderson - May 12, 2021 Form 4 Insider Report for INSMED Inc (INSM)

Role: Director
Signature: /s/ Elizabeth McKee Anderson, by Christine Pellizzari as Attorney-in-fact
Stock symbol: INSM
Transactions as of: May 12, 2021
Transactions value $: $0
Form type: 4
Date filed: 5/14/2021, 04:32 PM
Next filing: May 27, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	INSM	Common Stock	Award		+7.56K	+37.58%		27.7K	May 12, 2021	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents Restricted Stock Units, each representing a contingent right to receive one share of Common Stock. The Restricted Stock Units have a one year cliff vesting period, provided that the director (a) remains a member of the Board on such vesting date, and (b) attends at least 75% of the meetings of the Board which take place between the grant date and the first anniversary of the grant date. Vested shares are delivered within 30 days of the vesting date.
F2	Each Restricted Stock Unit was granted on May 12, 2021 for no consideration.

Content

Represents Restricted Stock Units, each representing a contingent right to receive one share of Common Stock. The Restricted Stock Units have a one year cliff vesting period, provided that the director (a) remains a member of the Board on such vesting date, and (b) attends at least 75% of the meetings of the Board which take place between the grant date and the first anniversary of the grant date. Vested shares are delivered within 30 days of the vesting date.

Each Restricted Stock Unit was granted on May 12, 2021 for no consideration.