iRhythm Technologies, Inc. — Director's Dealing 2018

Mar 1, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: iRhythm Technologies, Inc. (IRTC)
CIK: 0001388658
Period of Report: 2018-02-27

Reporting Person: Sung Derrick (See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-27	Common Stock	A	3700	$0.00	Acquired	14541	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-27	Employee Stock Option (right to buy)	$63.95	A	8000	Acquired	2028-02-27	Common Stock (8000)	Direct

Footnotes

F1: The reported securities are represented by restricted stock units ("RSUs"), which represents a contingent right to receive one share of IRTC common stock. The RSUs vest in four equal annual installments beginning on March 1, 2019.

F2: Includes 1,182 shares acquired under the IRTC employee stock purchase plan on December 1, 2017.

F3: Includes 1,759 shares acquired under the IRTC employee stock purchase plan on June 1, 2017.

F4: The option vests and the shares become exercisable according to the following schedule: 1/4 on March 1, 2019 and 1/36 of the remaining shares on each full calendar month thereafter.