iRhythm Technologies, Inc. — Director's Dealing 2024

Mar 1, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: iRhythm Technologies, Inc. (IRTC)
CIK: 0001388658
Period of Report: 2024-02-28

Reporting Person: Blackford Quentin S. (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-02-28	Common Stock	A	30938	—	Acquired	204716	Direct
2024-02-29	Common Stock	S	24701	$121.96	Disposed	180015	Direct

Footnotes

F1: These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. 25% of the RSUs vest on February 28, 2025 and each one-year anniversary thereafter, subject to the Reporting Person continuing as a service
provider through each such date.

F2: These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of RSUs.