• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishGo to App
    Quantisnow Logo

    © 2026 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    Rhythm Pharmaceuticals Inc. filed SEC Form 8-K: Regulation FD Disclosure, Other Events, Financial Statements and Exhibits

    3/2/26 6:01:48 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $RYTM alert in real time by email
    false 0001649904 0001649904 2026-03-02 2026-03-02 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

     

     

     

    UNITED STATES

    SECURITIES AND EXCHANGE COMMISSION

    Washington, D.C. 20549

     

    FORM 8-K

     

    CURRENT REPORT

     

    Pursuant to Section 13 or 15(d)

    of the Securities Exchange Act of 1934

     

    Date of Report (Date of earliest event reported): March 2, 2026

     

    RHYTHM PHARMACEUTICALS, INC.

    (Exact name of registrant as specified in its charter)

     

    Delaware   001-38223   46-2159271
    (State or other jurisdiction
    of incorporation)
      (Commission
    File Number)
      (IRS Employer
    Identification Number)

     

    222 Berkeley Street

    12th Floor

    Boston, MA 02116

    (Address of principal executive offices) (Zip Code)

     

    Registrant’s telephone number, including area code: (857) 264-4280

     

    N/A

    (Former name or former address, if changed since last report) 

     

    Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

     

    ¨            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

    ¨            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

    ¨            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

    ¨            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

     

    Securities registered pursuant to Section 12(b) of the Act:

     

    Title of each class Trading
    Symbol(s)
    Name of each exchange on which registered
    Common Stock, $0.001 par value per share RYTM The Nasdaq Stock Market LLC (Nasdaq Global Market)

     

    Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). 

     

    Emerging growth company ¨

     

    If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

     

     

     

     

     

     

    Item 7.01. Regulation FD Disclosure.

     

    On March 1, 2026, Rhythm Pharmaceuticals, Inc. (“Rhythm”) issued a press release announcing additional data from its global Phase 3 TRANSCEND trial of setmelanotide in patients with acquired hypothalamic obesity, summarized under Item 8.01 below. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

     

    The information contained in Item 7.01 of this Current Report on Form 8-K (including Exhibit 99.1 attached hereto) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as expressly provided by specific reference in such a filing.

     

    Item 8.01. Other Events.

     

    On March 1, 2026, Rhythm announced additional data from its global Phase 3 TRANSCEND trial of setmelanotide in patients with acquired hypothalamic obesity, which are summarized below.

     

    This new data set includes 12 patients from a Japanese cohort and 10 supplemental patients who were enrolled in addition to the primary 120-patient pivotal cohort.

     

    Highlights from these 52-week data include:

     

    --18.8% placebo-adjusted difference1 in BMI reduction (N=142);

     

    -Primary endpoint of mean BMI reduction of -16.4% from baseline for all patients on setmelanotide therapy (n=94) compared with +2.4% BMI change for patients on placebo (n=48) at 52 weeks (95% CI; p<0.0001); and

     

    -Among patients aged 12 and older (n=98), the setmelanotide group (n=66) showed an average weekly reduction of 2.5 points in the weekly average most hunger score, compared with a 1.3 point reduction in the placebo group (n=32) (p=0.0015).

     

     

    Item 9.01. Financial Statements and Exhibits.

     

    (d) Exhibits

     

    The following Exhibit 99.1 shall be deemed to be furnished and not filed.

     

    Exhibit    
    No.   Description
    99.1   Press release dated March 1, 2026
    104   Cover Page Interactive Data File (embedded within the inline XBRL document)

     

     

    1 ANCOVA model with unequal variance to account for possible unequal residual variances was used to estimate the difference between treatment groups. Rubin’s Rule was used to provide the overall estimates of differences in least square (LS) means, corresponding CI and p-value.

     

     

     

     

    SIGNATURES

     

    Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

     

      RHYTHM PHARMACEUTICALS, INC.
         
    Date: March 2, 2026 By: /s/ Hunter Smith                 
        Hunter Smith
        Chief Financial Officer

     

     

     

    Get the next $RYTM alert in real time by email

    Crush Q1 2026 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $RYTM

    DatePrice TargetRatingAnalyst
    2/19/2026$478.00Outperform
    RBC Capital Mkts
    11/25/2025$136.00Buy
    Citigroup
    11/5/2025Outperform → Perform
    Oppenheimer
    7/14/2025$130.00Mkt Perform → Mkt Outperform
    Citizens JMP
    7/10/2025$97.00Buy
    Goldman
    7/7/2025$88.00Outperform
    Leerink Partners
    4/7/2025$63.00Neutral → Buy
    BofA Securities
    3/5/2025$78.00Buy
    Stifel
    More analyst ratings

    $RYTM
    SEC Filings

    View All

    Rhythm Pharmaceuticals Inc. filed SEC Form 8-K: Regulation FD Disclosure, Other Events, Financial Statements and Exhibits

    8-K - RHYTHM PHARMACEUTICALS, INC. (0001649904) (Filer)

    3/2/26 6:01:48 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form S-3ASR filed by Rhythm Pharmaceuticals Inc.

    S-3ASR - RHYTHM PHARMACEUTICALS, INC. (0001649904) (Filer)

    2/26/26 5:37:52 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form S-8 filed by Rhythm Pharmaceuticals Inc.

    S-8 - RHYTHM PHARMACEUTICALS, INC. (0001649904) (Filer)

    2/26/26 5:16:44 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $RYTM
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Rhythm Pharmaceuticals Announces Additional Positive Data from Phase 3 TRANSCEND trial of Setmelanotide in Patients with Acquired Hypothalamic Obesity

    -- -18.8% placebo-adjusted difference in BMI reduction achieved in all patients (N=142) at 52 weeks, including 12 Japanese patients and 10 supplemental patients with acquired hypothalamic obesity -- -- March 20, 2026 PDUFA goal date for sNDA for setmelanotide in acquired hypothalamic obesity -- BOSTON, March 01, 2026 (GLOBE NEWSWIRE) -- Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM), a global commercial-stage biopharmaceutical company focused on transforming the lives of patients living with rare neuroendocrine diseases, today announced additional positive data from its global Phase 3 TRANSCEND trial of setmelanotide in patients with acquired hypothalamic obesity (HO). This new data set inc

    3/1/26 12:30:00 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Rhythm Pharmaceuticals Reports Fourth Quarter and Full Year 2025 Financial Results and Business Update

    -- Fourth quarter 2025 net product revenue from global sales of IMCIVREE® (setmelanotide) of $57.3 million -- -- March 20, 2026 PDUFA goal date for sNDA for setmelanotide in acquired hypothalamic obesity (HO) ---- Phase 2 open-label extension data showed bivamelagon achieved persistent BMI reductions at six and nine months; Completed positive end-of-Phase-2 meeting with FDA ---- On track to report topline data from 12-patient Japanese cohort of setmelanotide Phase 3 trial in acquired HO in March 2026 -- -- On track to report topline data from Phase 3 EMANATE trial evaluating setmelanotide in rare genetically caused melanocortin-4 receptor (MC4R) pathway diseases in March 2026 -- -- Manag

    2/26/26 7:00:00 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Rhythm Pharmaceuticals to Report Fourth Quarter and Full Year 2025 Financial Results on Thursday, February 26, 2026

    BOSTON, Feb. 17, 2026 (GLOBE NEWSWIRE) -- Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM), a global commercial-stage biopharmaceutical company focused on transforming the lives of patients living with rare neuroendocrine diseases, today announced that it will host a live conference call and webcast at 8 a.m. ET on Thursday, February 26, 2026 to report its fourth quarter and full year 2025 financial results and provide a corporate update. To access the live conference call, participants may register here. While not required, it is recommended that participants join the call ten minutes prior to the scheduled start. Also today, Rhythm announced that David Meeker, M.D., Chair, President and Chie

    2/17/26 8:00:00 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $RYTM
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    RBC Capital Mkts initiated coverage on Rhythm Pharmaceuticals with a new price target

    RBC Capital Mkts initiated coverage of Rhythm Pharmaceuticals with a rating of Outperform and set a new price target of $478.00

    2/19/26 7:52:12 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Citigroup initiated coverage on Rhythm Pharmaceuticals with a new price target

    Citigroup initiated coverage of Rhythm Pharmaceuticals with a rating of Buy and set a new price target of $136.00

    11/25/25 8:45:08 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Rhythm Pharmaceuticals downgraded by Oppenheimer

    Oppenheimer downgraded Rhythm Pharmaceuticals from Outperform to Perform

    11/5/25 7:28:21 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $RYTM
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Chief Financial Officer Smith Hunter C sold $805,814 worth of shares (7,954 units at $101.31), decreasing direct ownership by 7% to 110,512 units (SEC Form 4)

    4 - RHYTHM PHARMACEUTICALS, INC. (0001649904) (Issuer)

    2/19/26 9:02:16 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    EVP, Head of International Mazabraud Yann converted options into 10,000 shares, increasing direct ownership by 23% to 53,155 units (SEC Form 4)

    4 - RHYTHM PHARMACEUTICALS, INC. (0001649904) (Issuer)

    2/18/26 4:30:22 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form 4 filed by Chief Technical Officer Shulman Joseph

    4 - RHYTHM PHARMACEUTICALS, INC. (0001649904) (Issuer)

    2/13/26 5:53:16 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $RYTM
    Leadership Updates

    Live Leadership Updates

    View All

    Rhythm Pharmaceuticals Announces Appointment of Alastair Garfield, Ph.D., as Chief Scientific Officer

    BOSTON, July 08, 2024 (GLOBE NEWSWIRE) -- Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM), a commercial-stage biopharmaceutical company focused on transforming the lives of patients and their families living with rare neuroendocrine diseases, today announced the appointment of Alastair "Al" Garfield, Ph.D. as Chief Scientific Officer, effective July 1. "We are excited to welcome Al back to Rhythm as we continue to leverage our understanding of the melanocortin-4 receptor (MC4R) pathway to bring potential therapies to patients and their families," said David Meeker, M.D., Rhythm Chairman, Chief Executive Officer and President. "Al's leadership and established scientific expertise and experience

    7/8/24 8:00:00 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Rhythm Pharmaceuticals Appoints Dana Washburn, M.D., as Senior Vice President of Clinical Development

    BOSTON, Oct. 06, 2022 (GLOBE NEWSWIRE) -- Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM), a commercial-stage biopharmaceutical company focused on transforming the lives of patients and their families living with hyperphagia and severe obesity caused by rare melanocortin-4 receptor (MC4R) pathway diseases, today announced the appointment of Dana Washburn, M.D., as Senior Vice President of Clinical Development and as a member of the Company's Executive Leadership Team, effective September 26, 2022. As SVP of Clinical Development, Dr. Washburn will lead the Company's robust clinical development program, clinical operations, and data management. "Dr. Washburn is a collaborative, resourceful leade

    10/6/22 4:02:00 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Wren Appoints Bart Henderson as Chief Executive Officer

    Wren Therapeutics, a biopharmaceutical company transforming drug discovery for neurodegenerative diseases, today announced the appointment of Bart Henderson as Chief Executive Officer. Wren's unique drug discovery platform harnesses advances in the biophysics of protein assembly dynamics to target the toxic fleeting protein intermediates, the oligomers, in neurodegenerative disease pathways, and discover small molecules that can block their generation with precision. Bart brings broad leadership experience in the biotechnology industry as a founder and co-founder of several companies including Torque (now Repertoire Immune Medicines), Rhythm (NASDAQ:RYTM) and its subsidiary Motus (acquired

    3/4/22 8:00:00 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $RYTM
    Financials

    Live finance-specific insights

    View All

    Rhythm Pharmaceuticals Reports Fourth Quarter and Full Year 2025 Financial Results and Business Update

    -- Fourth quarter 2025 net product revenue from global sales of IMCIVREE® (setmelanotide) of $57.3 million -- -- March 20, 2026 PDUFA goal date for sNDA for setmelanotide in acquired hypothalamic obesity (HO) ---- Phase 2 open-label extension data showed bivamelagon achieved persistent BMI reductions at six and nine months; Completed positive end-of-Phase-2 meeting with FDA ---- On track to report topline data from 12-patient Japanese cohort of setmelanotide Phase 3 trial in acquired HO in March 2026 -- -- On track to report topline data from Phase 3 EMANATE trial evaluating setmelanotide in rare genetically caused melanocortin-4 receptor (MC4R) pathway diseases in March 2026 -- -- Manag

    2/26/26 7:00:00 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Rhythm Pharmaceuticals to Report Fourth Quarter and Full Year 2025 Financial Results on Thursday, February 26, 2026

    BOSTON, Feb. 17, 2026 (GLOBE NEWSWIRE) -- Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM), a global commercial-stage biopharmaceutical company focused on transforming the lives of patients living with rare neuroendocrine diseases, today announced that it will host a live conference call and webcast at 8 a.m. ET on Thursday, February 26, 2026 to report its fourth quarter and full year 2025 financial results and provide a corporate update. To access the live conference call, participants may register here. While not required, it is recommended that participants join the call ten minutes prior to the scheduled start. Also today, Rhythm announced that David Meeker, M.D., Chair, President and Chie

    2/17/26 8:00:00 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Rhythm Pharmaceuticals Announces Preliminary Data from Exploratory Phase 2 Trial that showed Setmelanotide Demonstrated Positive Efficacy Signal in Prader-Willi Syndrome

    -- BMI and hyperphagia reductions have been observed in patients with PWS treated with setmelanotide at Month 3 (n=8) and Month 6 (n=5); 17 of 18 enrolled patients remain on therapy -- -- Promising results supportive of Phase 3, registrational trial of setmelanotide in PWS -- -- Company initiated Phase 1, Part D study to evaluate weekly MC4R agonist RM-718 in patients with PWS -- -- Company to hold conference call on Thursday, December 11 at 8:00 a.m. -- BOSTON, Dec. 11, 2025 (GLOBE NEWSWIRE) -- Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM), a global commercial-stage biopharmaceutical company focused on transforming the lives of patients living with rare neuroendocrine diseases, today

    12/11/25 7:30:00 AM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $RYTM
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    SEC Form SC 13G filed by Rhythm Pharmaceuticals Inc.

    SC 13G - RHYTHM PHARMACEUTICALS, INC. (0001649904) (Subject)

    11/14/24 9:50:26 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Amendment: SEC Form SC 13G/A filed by Rhythm Pharmaceuticals Inc.

    SC 13G/A - RHYTHM PHARMACEUTICALS, INC. (0001649904) (Subject)

    11/14/24 5:46:11 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Amendment: SEC Form SC 13G/A filed by Rhythm Pharmaceuticals Inc.

    SC 13G/A - RHYTHM PHARMACEUTICALS, INC. (0001649904) (Subject)

    11/12/24 5:23:38 PM ET
    $RYTM
    Biotechnology: Pharmaceutical Preparations
    Health Care