Sara Bonstein - May 13, 2024 Form 4 Insider Report for INSMED Inc (INSM)

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	Price $	Shares After	Date	Ownership	Footnotes
transaction	INSM	Common Stock	+Grant/Award		+14,518	+12.73%		128,569	May 13, 2024	Direct	F1, F2
transaction	INSM	Common Stock	-Sell	-$280,748	-11,088	-8.62%	$25.32	117,481	May 14, 2024	Direct	F3, F4

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)	+Grant/Award	$0	+71,160		$0.00	71,160	May 13, 2024	Common Stock	71,160	$25.83	Direct	F5

Id	Content
F1	Represents Restricted Stock Units (RSUs), each representing a contingent right to receive one share of Common Stock, granted pursuant to the Company's Amended and Restated 2019 Incentive Plan, as amended. The RSUs vest as follows: 25% percent on the first day of the first month following the first anniversary of the date of grant (the Initial Vesting Date) and 25% on each anniversary of the Initial Vesting Date until fully vested.
F2	Each RSU was granted on May 13, 2024 for no consideration.
F3	Shares sold to satisfy withholding tax obligations upon the vesting of RSUs and to cover related broker fees.
F4	This is the weighted average sales price representing 11,088 shares sold at prices ranging from $25.28 to $25.36 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	These stock options were granted under the Company's Amended and Restated 2019 Incentive Plan, as amended. The options become exercisable based on the following vesting schedule: 25% vest on the Initial Vesting Date and an additional 12.5% vest every six months thereafter through the fourth anniversary of the Initial Vesting Date.