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  4. [Form 4] iRhythm Holdings, Inc. Insider Trading Activity

iRhythm Holdings (IRTC) CBO/CLO nets RSU shares, sells stock for taxes

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

iRhythm Holdings, Inc. executive Patrick Michael Murphy, the company’s CBO and CLO, reported two equity transactions in common stock. On August 7, 2023 performance RSUs granted to him resulted in an acquisition of 13,589 shares upon determination that performance conditions were met. On August 10, 2026 he sold 7,093 shares of common stock at an average price of $124.6519 per share to cover tax withholding and remittance obligations related to the vesting of those performance RSUs. The Rule 10b5-1 trading plan box was not checked, indicating these transactions were not reported as occurring under a pre-arranged trading plan.

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Insights

Analyzing...

Insider Murphy Patrick Michael
Role CBO and CLO
Sold 7,093 shs ($884K)
Type Security Shares Price Value
Sale Common Stock F2 7,093 $124.6519 $884K
Grant/Award Common Stock F1 13,589 $0.00 $0.00
Holdings After Transaction: Common Stock — 69,699 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.
Shares acquired from performance RSUs 13,589 shares Common stock received upon performance RSUs meeting conditions on grant dated August 7, 2023
Shares sold for tax withholding 7,093 shares Common stock sold on August 10, 2026 to cover tax obligations on RSU vesting
Sale price per share $124.6519 per share Average price for 7,093 common shares sold on August 10, 2026
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"

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

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Form 4 Insider Transactions: What Each Field Means →

FAQ

What insider transactions did iRhythm Holdings (IRTC) report for Patrick Michael Murphy?
Patrick Michael Murphy reported acquiring 13,589 shares from performance RSUs and selling 7,093 shares of common stock at $124.6519 per share. The sale was to cover tax withholding and remittance obligations tied to the RSU vesting.

Why did Patrick Michael Murphy sell 7,093 IRTC shares?
He sold 7,093 shares of iRhythm common stock to cover tax withholding and remittance obligations arising from the vesting of performance RSUs. The sale price averaged $124.6519 per share, according to the Form 4 disclosure.

Were Patrick Michael Murphy’s IRTC transactions under a Rule 10b5-1 plan?
The Rule 10b5-1 checkbox was not marked, and there is no footnote stating use of a trading plan. The transactions are therefore not reported as executed pursuant to a pre-arranged Rule 10b5-1 trading plan.

What types of securities were involved in Patrick Michael Murphy’s IRTC Form 4?
The Form 4 reports transactions in Common Stock of iRhythm Holdings, Inc., linked to the vesting of performance Restricted Stock Units (RSUs) and a sale of shares to satisfy related tax obligations.
SEC Form 4
FORM 4UNITED 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 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
CBO and CLO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/07/202608/07/2026A13,589(1)A$076,792D
Common Stock08/10/202608/10/2026S7,093(2)D$124.651969,699D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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-fact08/11/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR