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




Comment for Type of Reporting Person:
The indicated amount of Common Stock beneficially owned by Mr. Kirk assumes the full conversion of (i) 906,512 Options to Purchase Common Stock, which are fully vested and exercisable at the discretion of Mr. Kirk, and (ii) 16,666,667 Warrants to Purchase Common Stock, which are fully vested and exercisable at the discretion of Mr. Kirk.


SCHEDULE 13D




Comment for Type of Reporting Person:
OO - trust; The indicated amount of Common Stock beneficially owned by RJ DOT assumes the full conversion of 16,666,667 Warrants to Purchase Common Stock, which are fully vested and exercisable at the discretion of Mr. Kirk.


SCHEDULE 13D




Comment for Type of Reporting Person:
OO - limited liability company


SCHEDULE 13D


 
RANDAL J. KIRK
 
Signature:/s/ Randal J. Kirk
Name/Title:Randal J. Kirk
Date:11/21/2025
 
R.J. KIRK DECLARATION OF TRUST
 
Signature:/s/ Randal J. Kirk
Name/Title:Randal J. Kirk Trustee
Date:11/21/2025
 
THIRD SECURITY, LLC
 
Signature:/s/ Randal J. Kirk
Name/Title:Randal J. Kirk Managing Member
Date:11/21/2025

Exhibit 1

 

Joint Filing Agreement

 

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them a Statement on Schedule 13D (including amendments thereto) with regard to the common stock of Precigen, Inc., and further agree that this Joint Filing Agreement be included as an exhibit to such joint filings. In evidence thereof, the undersigned, being duly authorized, hereby execute this agreement as of the 21st day of November, 2025.

 

Date: November 21, 2025

 

  /s/ Randal J. Kirk
  Randal J. Kirk

 

  R.J. KIRK DECLARATION OF TRUST
   
  By: /s/ Randal J. Kirk
    Randal J. Kirk
    Trustee

 

  THIRD SECURITY, LLC
   
  By: /s/ Randal J. Kirk
    Randal J. Kirk
    Managing Member