iRhythm Technologies, Inc. — Director's Dealing 2020

Dec 31, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: iRhythm Technologies, Inc. (IRTC)
CIK: 0001388658
Period of Report: 2020-12-29

Reporting Person: Vort David A (EVP, Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-29	Common Stock	M	5000	$35.25	Acquired	20602	Direct
2020-12-29	Common Stock	S	300	$235.02	Disposed	20302	Direct
2020-12-29	Common Stock	S	1200	$237.0808	Disposed	19102	Direct
2020-12-29	Common Stock	S	400	$238.02	Disposed	18702	Direct
2020-12-29	Common Stock	S	2425	$239.5631	Disposed	16277	Direct
2020-12-29	Common Stock	S	100	$240.38	Disposed	16177	Direct
2020-12-29	Common Stock	S	88	$241.445	Disposed	16089	Direct
2020-12-29	Common Stock	S	487	$244.9035	Disposed	15602	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-29	Employee Stock Option (right to buy)	$35.25	M	5000	Disposed	2027-02-16	Common Stock (5000.0)	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 September 8, 2020.

F2: This transaction was executed in multiple trades at prices ranging from $236.47 to $237.27 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 $239.07 to $239.938 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 $244.23 to $245.05 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 option, originally granted for 25,400 shares, of which 12,223 shares have been exercised, vested as to 1/4 of the shares on March 1, 2018 and as to 1/36 of the remaining shares each month thereafter.