FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Ling Karen

(Last) (First) (Middle)
C/O IRHYTHM TECHNOLOGIES, INC.
699 8TH ST #600

(Street)
SAN FRANCISCO CA 94103

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
11/01/2021
3. Issuer Name and Ticker or Trading Symbol
iRhythm Technologies, Inc. [ IRTC ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
11/01/2021
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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
Remarks:
The Power of Attorney, filed as Exhibit 24, was omitted from the Reporting Person's original Form 3.

Exhibit 24  Power of Attorney
/s/ Curt Wvong, attorney in fact 05/27/2022
** 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.
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POWER OF ATTORNEY
The undersigned, as a Section 16 reporting person of iRhythm Technologies, Inc. (the
"Company"), hereby constitutes and appoints Douglas Devine , Nahyion Kim , and
Curt Wvong the undersigned's true and lawful attorneys-in-fact to:
1. complete and execute Forms 3, 4 and 5 and other forms and all amendments
thereto as such attorneys-in-fact shall in their discretion determine to be required
or advisable pursuant to Section 16 of the Securities Exchange Act of 1934 (as
amended) and the rules and regulations promulgated thereunder, or any successor
laws and regulations, as a consequence of the undersigned's ownership,
acquisition or disposition of securities of the Company; and
2. do all acts necessary in order to file such forms with the Securities and Exchange
Commission, any securities exchange or national association, the Company and
such other person or agency as the attorneys-in-fact shall deem appropriate.
The undersigned hereby ratifies and confirms all that said attorneys-in-fact and agent shall
do or cause to be done by virtue hereof. The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the undersigned, is not assuming,
nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16
of the Securities Exchange Act of 1934 (as amended).
This Power of Attorney shall remain in full force and effect until the undersigned is no
longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the Company and the foregoing attorneys-in-fact.
Power of Attorney to be executed as of this 11/01/2021.
Signature: /S/ Karen Ling
Print Name: Karen Ling