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.

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:
The calculation of percentage ownership is based on a total of 30,736,401 shares of Issuer common stock as of June 25, 2026, as set forth by the Issuer.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Includes 66,228 shares of common stock and 19,870 immediately exercisable warrants to purchase common stock at an exercise price of $27.94 per share received pursuant to the Merger Agreement. (2) The calculation of percentage ownership is based on a total of 30,736,401 shares of Issuer common stock as of June 25, 2026, as set forth by the Issuer.


SCHEDULE 13D




Comment for Type of Reporting Person:
The calculation of percentage ownership is based on a total of 30,736,401 shares of Issuer common stock as of June 25, 2026, as set forth by the Issuer.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Includes 366,435 shares of common stock held directly by Mr. Roberts, 144,705 shares of common stock held in individual retirement accounts for the benefit of Mr. Roberts,317,608 Employee Stock Options to purchase common stock at an exercise price ranging from $0.585 to $17.34, and 421,143 warrants to purchase common stock at an exercise price ranging from $0.8033 to $10.42 per share. (2) Includes 19,870 warrants to purchase common stock at an exercise price of $27.94 held by Valence Investments SPV V, LLC, 356,989 shares of common stock held by Valence Investments SPV IV, LLC, 66,228 shares of common stock held by Valence Investments SPV V, LLC, and 316,109 shares of common stock held by Valence Investments SPV VI, LLC. Mr. Roberts is a co-founder and managing director of Valence Investments SPV IV, LLC, Valence Investments SPV V, LLC, and Valence Investments SPV VI, LLC. (3) The calculation of percentage ownership is based on a total of 30,736,401 shares of Issuer common stock as of June 25, 2026, as set forth by the Issuer.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Includes 317,655 shares of common stock held directly by Ms. Leheny, 3,500 shares of common stock held by Ms. Leheny's revocable trust, 1,000 shares of common stock held by Ms. Leheny's spouse, 792,120 Employee Stock Options to purchase common stock at an exercise price ranging from $0.585 to $17.34, and 419,001 warrants to purchase common stock at an exercise price ranging from $0.8033 to $7.15 per share. (2) Includes 19,870 warrants to purchase common stock at an exercise price of $27.94 held by Valence Investments SPV V, LLC, 356,989 shares of common stock held by Valence Investments SPV IV, LLC, 66,228 shares of common stock held by Valence Investments SPV V, LLC, and 316,109 shares of common stock held by Valence Investments SPV VI, LLC. Ms. Leheny is a co-founder and managing director of Valence Investments SPV IV, LLC, Valence Investments SPV V, LLC, and Valence Investments SPV VI, LLC. (3) The calculation of percentage ownership is based on a total of 30,736,401 shares of Issuer common stock as of June 25, 2026, as set forth by the Issuer.


SCHEDULE 13D


 
Valence Investments SPV IV, LLC
 
Signature:/s/ Eric Roberts
Name/Title:Eric Roberts, Manager
Date:06/30/2026
 
Valence Investments SPV V, LLC
 
Signature:/s/ Eric Roberts
Name/Title:Eric Roberts, Manager
Date:06/30/2026
 
Valence Investments SPV VI, LLC
 
Signature:/s/ Eric Roberts
Name/Title:Eric Roberts, Manager
Date:06/30/2026
 
Eric W. Roberts
 
Signature:/s/ Eric Roberts
Name/Title:Self
Date:06/30/2026
 
A. Rachel Leheny
 
Signature:/s/ Rachel Leheny
Name/Title:Self
Date:06/30/2026