iRhythm (IRTC) Form 144 Filing Shows Insider Sale of 653 Shares

Rhea-AI Filing Summary

iRhythm Technologies, Inc. (IRTC) Form 144 notice: An individual proposes to sell 653 shares of Common stock on or about 08/22/2025 through Morgan Stanley Smith Barney LLC on NASDAQ. The filing reports an aggregate market value of $109,129.36 and total shares outstanding of 32,127,763. The seller previously sold 1,608 shares on 06/02/2025 for gross proceeds of $225,457.68. Acquisition details for the 653 shares show three lots: 400 restricted shares acquired 06/01/2024, 129 ESPP shares 05/31/2023, and 124 ESPP shares 11/30/2022.

Insights

Securities Analyst

TL;DR: Routine Section 144 notice disclosing a planned sale of restricted and ESPP shares; no new operational or financial information.

The filing is a standard Rule 144 notice indicating planned disposal of 653 common shares via a broker on NASDAQ. The lots consist of restricted stock and employee purchase plan shares acquired between 2022 and 2024. A prior sale of 1,608 shares in June 2025 is disclosed, showing recent liquidity by the holder. This document provides transparency about insider or control-party selling activity but contains no revenue, earnings, or forward-looking company metrics.

Corporate Governance Expert

TL;DR: Disclosure aligns with compliance expectations; no indication of undisclosed material information by the seller.

The signer affirms they are unaware of undisclosed material adverse information, and the notice includes acquisition dates, payment methods, and recent sales as required. The mix of restricted stock and ESPP shares is typical for employee holdings. From a governance perspective, the filing documents adherence to Rule 144 disclosure requirements and provides investors with information about insider share movements without revealing company-sensitive operational details.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	653	109129.36	32127763	08/22/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/01/2024	Restricted Stock	ISSUER			400	06/01/2024	Not Applicable
Common	05/31/2023	Employee Stock Purchase Plan	ISSUER			129	05/31/2023	Cash
Common	11/30/2022	Employee Stock Purchase Plan	ISSUER			124	11/30/2022	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
SUMI SHRISHRIMAL 699 8th Street Suite 600 San Francisco CA 94103	Common	06/02/2025	1608	225457.68

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filed for IRTC disclose?

It discloses a proposed sale of 653 common shares to occur approximately on 08/22/2025 through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of $109,129.36.

Who previously sold IRTC shares in the past three months according to the filing?

SUMI SHRISHRIMAL sold 1,608 shares on 06/02/2025 for gross proceeds of $225,457.68.

What types of shares are being sold in the Form 144 for IRTC?

The 653 shares comprise restricted stock (400 shares acquired 06/01/2024) and Employee Stock Purchase Plan shares (129 acquired 05/31/2023 and 124 acquired 11/30/2022).

Which broker will handle the proposed sale of IRTC shares?

Morgan Stanley Smith Barney LLC, Executive Financial Services, New York is named as the broker for the proposed sale.

What is the total number of IRTC shares outstanding listed in the filing?

32,127,763 shares outstanding is the figure provided in the notice.