If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on 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).




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SCHEDULE 13D




Comment for Type of Reporting Person:
Note in relation to Items 11 and 13: Includes 4,168,970 shares of Common Stock (as defined below) and 3,151 shares of Common Stock issuable upon the exercise of Pre-Funded Warrants (as defined in Item 3 and subject to a beneficial ownership limitation as described therein). Note in relation to Item 13: Based on 41,759,822 shares of Common Stock outstanding as indicated by the Issuer (as defined below) in the final prospectus dated April 29, 2026 and filed by the Issuer on April 30, 2026 (inclusive of 576,568 additional shares of Common Stock purchased by the underwriters in the Issuer's underwritten public offering in May 2026), plus 3,151 shares of Common Stock issuable upon the exercise of Pre-Funded Warrants (subject to a beneficial ownership limitation as described therein).


SCHEDULE 13D




Comment for Type of Reporting Person:
Note in relation to Items 11 and 13: Includes 3,648,538 shares of Common Stock (as defined below) and 1,565 shares of Common Stock issuable upon the exercise of Pre-Funded Warrants (as defined in Item 3 and subject to a beneficial ownership limitation as described therein). Note in relation to Item 13: Based on 41,759,822 shares of Common Stock outstanding as indicated by the Issuer (as defined below) in the final prospectus dated April 29, 2026 and filed by the Issuer on April 30, 2026 (inclusive of 576,568 additional shares of Common Stock purchased by the underwriters in the Issuer's underwritten public offering in May 2026), plus 1,565 shares of Common Stock issuable upon the exercise of Pre-Funded Warrants (subject to a beneficial ownership limitation as described therein).


SCHEDULE 13D




Comment for Type of Reporting Person:
Note in relation to Items 11 and 13: Includes 520,432 shares of Common Stock (as defined below) and 1,586 shares of Common Stock issuable upon the exercise of Pre-Funded Warrants (as defined in Item 3 and subject to a beneficial ownership limitation as described therein). Note in relation to Item 13: Based on 41,759,822 shares of Common Stock outstanding as indicated by the Issuer (as defined below) in the final prospectus dated April 29, 2026 and filed by the Issuer on April 30, 2026 (inclusive of 576,568 additional shares of Common Stock purchased by the underwriters in the Issuer's underwritten public offering in May 2026), plus 1,586 shares of Common Stock issuable upon the exercise of Pre-Funded Warrants (subject to a beneficial ownership limitation as described therein).


SCHEDULE 13D




Comment for Type of Reporting Person:
Note in relation to Items 11 and 13: Includes 4,168,970 shares of Common Stock (as defined below) and 3,151 shares of Common Stock issuable upon the exercise of Pre-Funded Warrants (as defined in Item 3 and subject to a beneficial ownership limitation as described therein). Note in relation to Item 13: Based on 41,759,822 shares of Common Stock outstanding as indicated by the Issuer (as defined below) in the final prospectus dated April 29, 2026 and filed by the Issuer on April 30, 2026 (inclusive of 576,568 additional shares of Common Stock purchased by the underwriters in the Issuer's underwritten public offering in May 2026), plus 3,151 shares of Common Stock issuable upon the exercise of Pre-Funded Warrants (subject to a beneficial ownership limitation as described therein).


SCHEDULE 13D


 
SUVRETTA CAPITAL MANAGEMENT, LLC
 
Signature:/s/ Andrew Nathanson
Name/Title:Andrew Nathanson, General Counsel and Chief Compliance Officer
Date:05/05/2026
 
Averill Master Fund, Ltd.
 
Signature:/s/ Andrew Nathanson
Name/Title:Andrew Nathanson, Authorized Signatory
Date:05/05/2026
 
Averill Madison Master Fund, Ltd.
 
Signature:/s/ Andrew Nathanson
Name/Title:Andrew Nathanson, Authorized Signatory
Date:05/05/2026
 
Aaron Cowen
 
Signature:/s/ Aaron Cowen
Name/Title:Aaron Cowen
Date:05/05/2026