iRhythm insider sells shares for RSU tax withholding

iRhythm Holdings, Inc. executive Patrick Michael Murphy, the company’s CBO and CLO, reported selling 4,357 shares of common stock on March 2, 2026.

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Rhea-AI Filing Summary

iRhythm Holdings, Inc. executive Patrick Michael Murphy, the company’s CBO and CLO, reported selling 4,357 shares of common stock on March 2, 2026. The shares were sold in several open-market transactions at prices around $128.44 per share to satisfy tax withholding and remittance obligations tied to the vesting of Restricted Stock Units. After these transactions, he continued to hold 63,203 shares of iRhythm common stock.

Insider Trade Summary

Net Seller: 4,357 shares

Net Sell 3 txns

Insider Murphy Patrick Michael

Role CBO and CLO

Sold 4,357 shs ($560K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,028	$128.4387	$260K
Sale	Common Stock	1,190	$128.4445	$153K
Sale	Common Stock	1,139	$128.4471	$146K

Holdings After Transaction: Common Stock — 63,203 shares (Direct)

Footnotes (1)

F1. These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

FAQ

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What did iRhythm Holdings (IRTC) insider Patrick Michael Murphy report on this Form 4?

He reported selling 4,357 shares of iRhythm common stock. The transactions occurred on March 2, 2026, in multiple open-market sales and were linked to tax withholding obligations from vesting Restricted Stock Units rather than discretionary share sales.

How many iRhythm (IRTC) shares did Patrick Michael Murphy sell and at what prices?

He sold 4,357 shares in total. The sales were split into blocks of 2,028, 1,190, and 1,139 shares at per-share prices of $128.4387, $128.4445, and $128.4471, respectively, reflecting routine execution across a narrow price range.

Why did Patrick Michael Murphy’s iRhythm (IRTC) shares get sold in this Form 4 filing?

The shares were sold to cover tax withholding and remittance obligations. This was in connection with the vesting of Restricted Stock Units, meaning the transactions served to satisfy tax liabilities rather than representing a voluntary reduction of his economic exposure.

How many iRhythm (IRTC) shares does Patrick Michael Murphy own after these reported sales?

After the reported transactions, he holds 63,203 shares of iRhythm common stock directly. The Form 4 shows the share balance decreasing with each sale, with the final transaction leaving this remaining ownership position following the tax-related sales activity.

What is Patrick Michael Murphy’s role at iRhythm Holdings (IRTC) as shown in this Form 4?

He is identified as an officer of iRhythm Holdings, serving as Chief Business Officer (CBO) and Chief Legal Officer (CLO). His Form 4 reflects transactions in his directly held common stock tied to tax obligations from Restricted Stock Unit vesting.

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Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 03/03/2026 - 06:34 PM

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

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^*

Murphy Patrick Michael

(Last)

(First)

(Middle)

C/O IRHYTHM HOLDINGS, INC.

699 8TH ST #600

(Street)

SAN FRANCISCO

94103

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
iRhythm Holdings, Inc. [ IRTC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CBO and CLO

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/02/2026	03/02/2026	S		2,028⁽¹⁾	D	$128.4387	65,532	D
Common Stock	03/02/2026	03/02/2026	S		1,190⁽¹⁾	D	$128.4445	64,342	D
Common Stock	03/02/2026	03/02/2026	S		1,139⁽¹⁾	D	$128.4471	63,203	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Remarks:

	/s/ Marc Rosenbaum, attorney-in-fact	03/03/2026
	** Signature of Reporting Person	Date
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.

Source: View Original Filing on SEC EDGAR