iRhythm (IRTC) officer gains RSU shares, sells portion to cover tax

Rhea-AI Filing Summary

iRhythm Holdings, Inc. reported insider equity activity by Chief Commercial & Product Officer Chad Patterson. On August 7, 2026, he acquired 13,589 shares of common stock at no cost upon vesting of performance RSUs granted August 7, 2023. On August 10, 2026, he sold 7,093 shares of common stock at $124.6539 per share; the company states these shares were sold solely to cover tax withholding and remittance obligations related to the RSU vesting.

Insider Trade Summary

Net Buyer: 6,496 shares

Net Buy 2 txns

Insider Patterson Chad

Role CHIEF COMM & PRODUCT OFFICER

Sold 7,093 shs ($884K)

Type	Security	Shares	Price	Value
Sale	Common Stock F2	7,093	$124.6539	$884K
Grant/Award	Common Stock F1	13,589	$0.00	$0.00

Holdings After Transaction: Common Stock — 62,125 shares (Direct)

Footnotes (2)

1. F1. Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the Reporting Person on August 7, 2023.
2. F2. These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.

Key Figures

Shares acquired via RSU vesting: 13,589 shares Shares sold to cover taxes: 7,093 shares Sale price per share: $124.6539 per share

3 metrics

Shares acquired via RSU vesting 13,589 shares Performance RSUs granted August 7, 2023; vesting determined August 7, 2026

Shares sold to cover taxes 7,093 shares Common stock sale on August 10, 2026

Sale price per share $124.6539 per share Average price for 7,093 shares sold on August 10, 2026

Key Terms

performance Restricted Stock Units, tax withholding and remittance obligations, Compensation & Human Capital Management Committee

3 terms

performance Restricted Stock Units financial

"performance Restricted Stock Units ("RSUs") granted to the Reporting Person"

Performance restricted stock units (PRSUs) are promises to deliver company shares to employees or executives only if the business meets specific performance targets and any time-based holding rules. Think of them as a bonus that converts into stock only after set goals are reached, so investors watch PRSUs for two reasons: they can dilute existing shares if paid out, and they signal how closely management’s pay is tied to company performance.

tax withholding and remittance obligations financial

"sold to cover tax withholding and remittance obligations in connection"

Compensation & Human Capital Management Committee financial

"determination of the Compensation & Human Capital Management Committee of the Board"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/11/2026 - 04:02 PM Accepted by SEC EDGAR 08/11/2026 - 04:01 PM Learn about SEC filing dates

FAQ

What insider transactions did iRhythm (IRTC) report for Chad Patterson?

iRhythm reported that Chad Patterson received 13,589 shares of common stock on August 7, 2026 from vesting performance RSUs and sold 7,093 shares on August 10, 2026 at $124.6539 per share to cover tax obligations related to that vesting.

How many iRhythm (IRTC) shares did Chad Patterson acquire through RSU vesting?

Chad Patterson acquired 13,589 shares of iRhythm common stock on August 7, 2026. The shares resulted from performance Restricted Stock Units granted on August 7, 2023, after the Compensation & Human Capital Management Committee determined that the performance conditions had been satisfied.

How many iRhythm (IRTC) shares did Chad Patterson sell and at what price?

He sold 7,093 shares of iRhythm common stock on August 10, 2026 at an average price of $124.6539 per share. The filing explains these shares were sold specifically to cover tax withholding and remittance obligations tied to vested performance RSUs.

Were Chad Patterson’s iRhythm (IRTC) share sales part of a Rule 10b5-1 plan?

The Form 4 indicates the Rule 10b5-1 trading plan affirmation box is not checked, and no footnote states that the August 10, 2026 sale was executed under a pre-arranged 10b5-1 trading plan or similar automatic trading arrangement.

What is the nature of the equity award Chad Patterson received from iRhythm (IRTC)?

The award relates to performance Restricted Stock Units (RSUs) granted on August 7, 2023. On August 7, 2026, 13,589 shares were issued after the Compensation & Human Capital Management Committee determined that the specified performance conditions for those RSUs had been met.

Why did Chad Patterson sell iRhythm (IRTC) shares immediately after vesting?

The company states the 7,093 shares sold on August 10, 2026 were sold to satisfy tax withholding and remittance obligations arising from the vesting of performance RSUs, rather than as a discretionary sale of his equity holdings.

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^*

Patterson Chad

(Last) (First) (Middle)

C/O IRHYTHM HOLDINGS, INC.

699 8TH ST #600

(Street)

SAN FRANCISCO CALIFORNIA 94103

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	CHIEF COMM & PRODUCT OFFICER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026

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

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

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/07/2026	08/07/2026	A		13,589(1)	A	$0	69,218	D
Common Stock	08/10/2026	08/10/2026	S		7,093(2)	D	$124.6539	62,125	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the Reporting Person on August 7, 2023.

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

Remarks:

	/s/ Marc Rosenbaum, attorney-in-fact	08/11/2026
	** 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.
* Form 4: SEC 1474 (03-26)