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).






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D




Comment for Type of Reporting Person:
All such shares are held of record by TCG Opportunity III LP (as defined in Item 2(a) of the Original Schedule 13D). TCG Opportunity III GP LP (as defined in Item 2(a) of the Original Schedule 13D) is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LLC (as defined in Item 2(a) of the Original Schedule 13D) is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey are the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 53,571,426 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to the Beneficial Ownership Limitations (as defined in Item 6). Based on 213,744,535 shares of Common Stock outstanding as of December 15, 2025, as reported by the Issuer in its prospectus supplement filed pursuant to Rule 424(b)(5) with the Securities and Exchange Commission (the Commission) on December 12, 2025 (the Prospectus).


SCHEDULE 13D




Comment for Type of Reporting Person:
All such shares are held of record by TCG Opportunity III LP. TCG Opportunity III GP LP is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey are the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 53,571,426 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to the Beneficial Ownership Limitations. Based on 213,744,535 shares of Common Stock outstanding as of December 15, 2025, as reported by the Issuer in the Prospectus.


SCHEDULE 13D




Comment for Type of Reporting Person:
All such shares are held of record by TCG Opportunity III LP. TCG Opportunity III GP LP is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey are the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 53,571,426 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to the Beneficial Ownership Limitations. Based on 213,744,535 shares of Common Stock outstanding as of December 15, 2025, as reported by the Issuer in the Prospectus.


SCHEDULE 13D




Comment for Type of Reporting Person:
All such shares are held of record by TCG Opportunity III LP. TCG Opportunity III GP LP is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey are the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 53,571,426 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to the Beneficial Ownership Limitations. Based on 213,744,535 shares of Common Stock outstanding as of December 15, 2025, as reported by the Issuer in the Prospectus.


SCHEDULE 13D




Comment for Type of Reporting Person:
All such shares are held of record by TCG Opportunity III LP. TCG Opportunity III GP LP is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey are the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 53,571,426 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to the Beneficial Ownership Limitations. Based on 213,744,535 shares of Common Stock outstanding as of December 15, 2025, as reported by the Issuer in the Prospectus.


SCHEDULE 13D


 
The Column Group III, LP
 
Signature:/s/ James Evangelista, Attorney in Fact
Name/Title:James Evangelista, Attorney in Fact
Date:02/26/2026
 
The Column Group III-A, LP
 
Signature:/s/ James Evangelista, Attorney in Fact
Name/Title:James Evangelista, Attorney in Fact
Date:02/26/2026
 
The Column Group III GP, LP
 
Signature:/s/ James Evangelista, Attorney in Fact
Name/Title:James Evangelista, Attorney in Fact
Date:02/26/2026
 
The Column Group Opportunity III, LP
 
Signature:/s/ James Evangelista, Attorney in Fact
Name/Title:James Evangelista, Attorney in Fact
Date:02/26/2026
 
The Column Group Opportunity III GP, LP
 
Signature:/s/ James Evangelista, Attorney in Fact
Name/Title:James Evangelista, Attorney in Fact
Date:02/26/2026
 
TCG Opportunity III GP, LLC
 
Signature:/s/ James Evangelista, Attorney in Fact
Name/Title:James Evangelista, Attorney in Fact
Date:02/26/2026
 
Tim Kutzkey
 
Signature:/s/ James Evangelista
Name/Title:James Evangelista, Attorney-in-Fact
Date:02/26/2026
 
Peter Svennilson
 
Signature:/s/ James Evangelista
Name/Title:James Evangelista, Attorney-in-Fact
Date:02/26/2026