# EDGAR Filing Document

**Accession Number:** 0001388658
**File Stem:** 0001316065-25-000005
**Filing Date:** 2025-8
**Character Count:** 7652
**Document Hash:** 61fc1c20a6b0516dd8e0f131f5bf7cfe
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001316065-25-000005.hdr.sgml**: 20250812

**ACCESSION NUMBER**: 0001316065-25-000005

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250811

**FILED AS OF DATE**: 20250812

**DATE AS OF CHANGE**: 20250812

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** TALWALKAR ABHIJIT Y
- **CENTRAL INDEX KEY:** 0001316065

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37918
- **FILM NUMBER:** 251207371

**MAIL ADDRESS:**
- **STREET 1:** 2485 AUGUSTINE DRIVE
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** iRhythm Technologies, Inc.
- **CENTRAL INDEX KEY:** 0001388658
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 208149544
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 699 8TH STREET
- **STREET 2:** SUITE 600
- **CITY:** San Francisco
- **STATE:** CA
- **ZIP:** 94103
- **BUSINESS PHONE:** 415-632-5700

**MAIL ADDRESS:**
- **STREET 1:** 699 8TH STREET
- **STREET 2:** SUITE 600
- **CITY:** San Francisco
- **STATE:** CA
- **ZIP:** 94103

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** IRhythm Technologies, Inc.
- **DATE OF NAME CHANGE:** 20110429

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** IRhythm Technologies Inc
- **DATE OF NAME CHANGE:** 20070201

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[x] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>TALWALKAR ABHIJIT Y<br><sub>(Last) (First) (Middle)</sub><br>C/O IRHYTHM TECHNOLOGIES, INC.<br>699 8TH ST #600<br><sub>(Street)</sub><br>SAN FRANCISCO, CA 94103<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-08-11 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>iRhythm Technologies, Inc. [ IRTC ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-08-11 | 2025-08-11 | M |  | 5312<sup>(1)</sup> | A | $10.71 | 25611 | D |  |
| Common Stock | 2025-08-11 | 2025-08-11 | S |  | 3183<sup>(1)</sup> | D | 157.5723<sup>(2)</sup> | 22428 | D |  |
| Common Stock | 2025-08-11 | 2025-08-11 | S |  | 2129<sup>(1)</sup> | D | 158.6792<sup>(3)</sup> | 20299 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Employee Stock Option (right to buy) | $10.71 | 2025-08-11 | 2025-08-11 | M |  |  | 5312 | 2016-06-23 | 2026-05-23<sup>(4)</sup> | Common Stock | 5312 | $0 | 15936 | D |  |

---

### Footnotes:

(1) 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.

(2) Represents the weighted-average sale price per share of a series of transactions, all of which were executed on August 11, 2025. The actual sale prices ranged from a low of $157.2350 to a high of $158.1800, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff, iRhythm Technologies, Inc. or any security holder of iRhythm Technologies, Inc., full information regarding the numbers of shares sold at each price within the range. The amount reflected has been rounded to 4 decimal points.

(3) Represents the weighted-average sale price per share of a series of transactions, all of which were executed on August 11, 2025. The actual sale prices ranged from a low of $158.3100 to a high of $159, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff, iRhythm Technologies, Inc. or any security holder of iRhythm Technologies, Inc., full information regarding the numbers of shares sold at each price within the range. The amount reflected has been rounded to 4 decimal points.

(4) 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.

**Signature:** /s/ Marc Rosenbaum, attorney-in-fact  
**Date:** 2025-08-12

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**