iRhythm Technologies, Inc. — Director's Dealing 2020

May 28, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: iRhythm Technologies, Inc. (IRTC)
CIK: 0001388658
Period of Report: 2020-05-26

Reporting Person: Vort David A (EVP, Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-26	Common Stock	M	11264	$3.65	Acquired	26943	Direct
2020-05-26	Common Stock	S	1640	$123.6164	Disposed	25303	Direct
2020-05-26	Common Stock	S	3249	$124.7823	Disposed	22054	Direct
2020-05-26	Common Stock	S	5222	$125.4136	Disposed	16832	Direct
2020-05-26	Common Stock	S	553	$126.2564	Disposed	16279	Direct
2020-05-26	Common Stock	S	600	$128.64	Disposed	15679	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-26	Employee Stock Option (right to buy)	$3.65	M	11264	Disposed	2024-02-04	Common Stock (11264.0)	Direct

Footnotes

F1: The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 3, 2020.

F2: This transaction was executed in multiple trades at prices ranging from $123.20 to $124.075 per share. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3: This transaction was executed in multiple trades at prices ranging from $124.21 to $125.20 per share. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F4: This transaction was executed in multiple trades at prices ranging from $125.202 to $126.15 per share. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F5: This transaction was executed in multiple trades at prices ranging from $126.24 to $126.26 per share. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F6: This option is fully vested and exercisable in full.