Mervin Smith - 24 Feb 2026 Form 4 Insider Report for iRhythm Holdings, Inc. (IRTC)

Signature
/s/ Marc Rosenbaum, attorney-in-fact
Issuer symbol
IRTC
Transactions as of
24 Feb 2026
Net transactions value
-$103,146
Form type
4
Filing time
25 Feb 2026, 18:58:56 UTC
Previous filing
05 Aug 2025
Next filing
27 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Smith Mervin EVP Strategic Business Ops C/O IRHYTHM HOLDINGS, INC., 699 8TH STREET, #600, SAN FRANCISCO /s/ Marc Rosenbaum, attorney-in-fact 25 Feb 2026 0001985217

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IRTC Common Stock Sale $103,146 -732 -4.6% $140.91 15,106 24 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

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).

Explanation of Responses:

Id Content
F1 The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan established by the reporting person on November 19, 2025.

Remarks:

On January 12, 2026, iRhythm Technologies, Inc. (iRhythm Tech) and iRhythm Holdings, Inc. (Issuer) effectuated a holding company reorganization pursuant to which the Issuer became the successor issuer to iRhythm Tech pursuant to Rule 12g-3(a) of the Securities Exchange Act of 1934, as amended. On such date, all outstanding shares and equity awards of iRhythm Tech automatically converted into securities of the Issuer on a one for one basis, with no change to the proportionate interests of security holders.