iRhythm (IRTC) EVP awarded 6,689 RSUs in new equity grant

Rhea-AI Filing Summary

Smith Mervin reported acquisition or exercise transactions in this Form 4 filing.

iRhythm Holdings EVP Strategic Business Ops Mervin Smith received an equity award of 6,689 restricted stock units of common stock. These RSUs were granted on February 25, 2026 at no cash cost. 25% of the units vest on March 1, 2027 and on each one-year anniversary after that, so long as he continues as a service provider. Following this award, he directly holds 26,964 shares of common stock.

Insider Trade Summary

Net Buyer: 6,689 shares

Net Buy 1 txn

Insider Smith Mervin

Role EVP Strategic Business Ops

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	6,689	$0.00	$0.00

Holdings After Transaction: Common Stock — 26,964 shares (Direct)

Footnotes (1)

1. F1. 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, 2027 and each one-year anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.

FAQ

What insider transaction did iRhythm Holdings (IRTC) report for Mervin Smith?

iRhythm reported that EVP Strategic Business Ops Mervin Smith received 6,689 restricted stock units of common stock. The grant was recorded on February 25, 2026 and increased his direct holdings to 26,964 shares after the award.

What type of securities did Mervin Smith receive from iRhythm (IRTC)?

Mervin Smith received Restricted Stock Units (RSUs), each representing a contingent right to one share of iRhythm common stock. These awards are equity-based compensation and do not require him to pay a purchase price per share when they vest.

When do Mervin Smith’s 6,689 RSUs from iRhythm (IRTC) vest?

The RSUs vest over four years. 25% of the 6,689 RSUs vest on March 1, 2027, with an additional 25% vesting on each one-year anniversary thereafter, assuming he continues as a service provider through each vesting date.

Did Mervin Smith buy or sell iRhythm (IRTC) shares in this Form 4?

This Form 4 reflects an acquisition through an equity grant, not an open-market buy or sale. Smith received 6,689 RSUs as a grant or award, increasing his direct ownership without a cash purchase transaction or any reported share sale.

How many iRhythm (IRTC) shares does Mervin Smith own after this RSU grant?

After the reported RSU grant, Mervin Smith directly owns 26,964 shares of iRhythm common stock. This total reflects his holdings reported immediately following the award of 6,689 restricted stock units on February 25, 2026.

Are there conditions attached to Mervin Smith’s iRhythm (IRTC) RSU award?

Yes. The RSUs vest only if Mervin Smith continues as a service provider through each vesting date. 25% vest on March 1, 2027, and additional portions vest on each subsequent one-year anniversary under the same service condition.

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

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 02/27/2026 - 04:37 PM Learn about SEC filing dates

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^*

Smith Mervin

(Last) (First) (Middle)

C/O IRHYTHM HOLDINGS, INC.

699 8TH STREET, #600

(Street)

SAN FRANCISCO CA 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)
	EVP Strategic Business Ops

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/25/2026	02/25/2026	A		6,689(1)	A	$0	26,964	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. 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, 2027 and each one-year anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.

Remarks:

	/s/ Marc Rosenbaum, attorney-in-fact	02/27/2026
	** 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.