iRhythm Technologies, Inc. — Director's Dealing 2019

Mar 5, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: iRhythm Technologies, Inc. (IRTC)
CIK: 0001388658
Period of Report: 2019-03-01

Reporting Person: Vort David A (EVP, Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-03-01	Common Stock	F	1838	$97.34	Disposed	19839	Direct
2019-03-04	Common Stock	M	5044	$3.65	Acquired	24883	Direct
2019-03-04	Common Stock	S	5044	$95.892	Disposed	19839	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-03-04	Employee Stock Option (right to buy)	$3.65	M	5044	Disposed	2024-02-04	Common Stock (5044)	Direct

Footnotes

F1: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F2: The option exercise and sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2018.

F3: This transaction was executed in multiple trades at prices ranging from $95.01 to $96.86. The price reported above reflects the weighted
average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the
issuer full information regarding the number of shares and prices at which the transaction was effected.