iRhythm Technologies, Inc. — Director's Dealing 2018

Jan 8, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: iRhythm Technologies, Inc. (IRTC)
CIK: 0001388658
Period of Report: 2018-01-05

Reporting Person: Garrett Matthew C. (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-01-05	Common Stock	M	21455	$4.12	Acquired	36085	Direct
2018-01-05	Common Stock	S	21455	$59.126	Disposed	14630	Direct
2018-01-05	Common Stock	M	21455	$4.12	Acquired	36085	Direct
2018-01-05	Common Stock	S	21455	$59.215	Disposed	14630	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-01-05	Employee Stock Option (right to buy)	$4.12	M	42910	Disposed	2023-01-24	Common Stock (42910)	Direct

Footnotes

F1: The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 1Ob5-1 trading plan adopted by the reporting person on May 8, 2017.

F2: This transaction was executed in multiple trades at prices ranging from $57.67 to $59.80. 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.

F3: This transaction was executed in multiple trades at prices ranging from $57.81 to $59.80. 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.