iRhythm Technologies, Inc. — Director's Dealing 2026

Feb 24, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: iRhythm Holdings, Inc. (IRTC)
CIK: 0001388658
Period of Report: 2026-02-23

Reporting Person: TALWALKAR ABHIJIT Y (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-23	Common Stock	M	5312	$10.71	Acquired	25611	Direct
2026-02-23	Common Stock	S	1378	$143.40	Disposed	24233	Direct
2026-02-23	Common Stock	S	1725	$145.317	Disposed	22508	Direct
2026-02-23	Common Stock	S	572	$146.951	Disposed	21936	Direct
2026-02-23	Common Stock	S	1637	$147.616	Disposed	20299	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-23	Employee Stock Option (right to buy)	$10.71	M	5312	Disposed	2026-05-23	Common Stock (5312)	Direct

Footnotes

F1: All transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan established by Mr. Talwalkar on May 12, 2025.

F2: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on February 23, 2026. The actual sale prices ranged from a low of $145.190 to a high of $145.530, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff, iRhythm Holdings, Inc. or any security holder of iRhythm Holdings, Inc., full information regarding the numbers of shares sold at each price within the range. The weighted-average sale price reflected has been rounded to 3 decimal points.

F3: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on February 23, 2026. The actual sale prices ranged from a low of $146.300 to a high of $147.200, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff, iRhythm Holdings, Inc. or any security holder of iRhythm Holdings, Inc., full information regarding the numbers of shares sold at each price within the range. The weighted-average sale price reflected has been rounded to 3 decimal points.

F4: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on February 23, 2026. The actual sale prices ranged from a low of $147.340 to a high of $148.130, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff, iRhythm Holdings, Inc. or any security holder of iRhythm Holdings, Inc., full information regarding the numbers of shares sold at each price within the range. The weighted-average sale price reflected has been rounded to 3 decimal points.

F5: The option, originally granted on May 23, 2016 for 21,248 shares, vested in thirty-six equal monthly installments. This option has an expiration date of May 23, 2026. The Rule 10b5-1 trading plan of Mr. Talwalkar solely covers shares subject to options expiring in 2026 and 2027.