iRhythm Technologies, Inc. — Director's Dealing 2025

Feb 27, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: iRhythm Technologies, Inc. (IRTC)
CIK: 0001388658
Period of Report: 2023-11-30

Reporting Person: Rosenbaum Marc W. (Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-11-30	Common Stock	J	226	$72.49	Acquired	8400	Direct
2024-05-31	Common Stock	J	280	$74.98	Acquired	8680	Direct
2025-02-26	Common Stock	A	3141	—	Acquired	11821	Direct

Footnotes

F1: Mr. Rosenbaum is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Issuer's 2016 Employee Stock Purchase Plan for the purchase period June 1, 2023 through November 30, 2023. This transaction is exempt from Section 16(b) under Rule 16b-3.

F2: Mr. Rosenbaum is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Issuer's 2016 Employee Stock Purchase Plan for the purchase period December 1, 2023 through May 31, 2024. This transaction is exempt from Section 16(b) under Rule 16b-3.

F3: 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 March 1, 2026 and each one-year anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.