Martina M.d. Flammer - 11 May 2023 Form 4 Insider Report for INSMED Inc (INSM)

Role: Chief Medical Officer
Signature: /s/ Martina Flammer M.D., by Michael A. Smith as Attorney in Fact
Issuer symbol: INSM
Transactions as of: 11 May 2023
Net transactions value: $0
Form type: 4
Filing time: 15 May 2023, 16:10:13 UTC
Previous filing: 12 Jan 2023
Next filing: 17 May 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	INSM	Common Stock	Award		+31,662	+44%		104,425	11 May 2023	Direct	F1, F2
transaction	INSM	Common Stock	Award		+14,775	+14%		119,200	11 May 2023	Direct	F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	INSM	Stock Option (right to buy)	Award	$0	+146,220		$0.000000	146,220	11 May 2023	Common Stock	146,220	$18.95	Direct	F4

* 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, granted pursuant to the Company's 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 May 11, 2023, for no consideration.
F3	Represents Restricted Stock Units, each representing a contingent right to receive one share of Common Stock, granted pursuant to the Company's 2019 Incentive Plan. The Restricted Stock Units vest and become available as follows: one third on each anniversary of the date of grant through the third anniversary date of the date of grant.
F4	Stock options granted under the Company's 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 the grant.