SC 13G/A: iRhythm Technologies, Inc.

AI Summary

SC 13G/A filing by iRhythm Technologies, Inc..

Risk Assessment

Risk Level: low

Filing Documents

• d886768dsc13ga.htm (SC 13G/A) — 76KB
• d886768dex991.htm (EX-99.1) — 4KB
• g886768dsp11a.jpg (GRAPHIC) — 4KB
• g886768dsp11b.jpg (GRAPHIC) — 4KB
• 0001193125-24-255321.txt ( ) — 93KB

From the Filing

SC 13G/A 1 d886768dsc13ga.htm SC 13G/A SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to Rule 13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to Rule 13d-2. Under the Securities Exchange Act of 1934 (Amendment No. 1 )* iRhythm Technologies Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 450056106 (CUSIP Number) 9/30/2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: Rule 13d-1(b) Rule 13d-1(c) Rule 13d-1(d) * The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934 (Act) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. 450056106 13G 1 NAME OF REPORTING PERSON Artisan Partners Limited Partnership 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see Instructions) Not Applicable (a)(b) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER None 6 SHARED VOTING POWER 2,426,388 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER 2,780,259 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,780,259 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see Instructions) Not Applicable 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.9% 12 TYPE OF REPORTING PERSON (see Instructions) IA CUSIP No. 450056106 13G 1 NAME OF REPORTING PERSON Artisan Investments GP LLC 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see Instructions) Not Applicable (a)(b) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER None 6 SHARED VOTING POWER 2,426,388 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER 2,780,259 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,780,259 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see Instructions) Not Applicable 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.9% 12 TYPE OF REPORTING PERSON (see Instructions) HC CUSIP No. 450056106 13G 1 NAME OF REPORTING PERSON Artisan Partners Holdings LP 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see Instructions) Not Applicable (a)(b) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER None 6 SHARED VOTING POWER 2,426,388 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER 2,780,259 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,780,259 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see Instructions) Not Applicable 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.9% 12 TYPE OF REPORTING PERSON (see Instructions) HC CUSIP No. 450056106 13G 1 NAME OF REPORTING PERSON Artisan Partners Asset Management Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see Instructions) Not Applicable (a)(b) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER None 6 SHARED VOTING POWER 2,426,388 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER 2,780,259 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,780,259 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see Instructions) Not Applicable 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.9% 12 TYPE OF REPORTING PERSON (see Instructions) HC Item1(a) Name of Issuer: iRhythm Technologies Inc. Item1(b) Address of Issuers Principal Executive Offices: 699 8th Street, Suite 600, San Francisco, CA, 94103 Item2(a) Name of Person Filing: Artisan Partners Limited Partnership (APLP) Artisan Investments GP LLC (Artisan Investments) Artisan Partners Holdings LP (Artisan Holdings) Artisan Partners Asset Management Inc. (APAM) Item2(b) Address of Principal Business Office: APLP, Artisan Investments, Artisan Holdings, and APAM are all located at: 875 East Wisconsin Avenue, Suite 800 Milwaukee, WI 53202 Item2(c) Cit

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