Precigen (PGEN) insider exercises 143,678 RSUs into common stock

Rhea-AI Filing Summary

PRECIGEN, INC. director and major shareholder Randal J. Kirk reported the vesting and exercise of 143,678 restricted stock units into an equal number of shares of common stock at an exercise price of $0.00 per share on March 13, 2026.

The shares are held indirectly through the R.J. Kirk Declaration of Trust, which now holds 81,781,816 shares of Precigen common stock. Additional Form 4 entries list indirect holdings in various trusts, LLCs and related entities that Mr. Kirk controls, with beneficial ownership disclaimed except for any pecuniary interest.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

KIRK RANDAL J

(Last) (First) (Middle)

C/O THIRD SECURITY, LLC

1881 GROVE AVENUE

(Street)

RADFORD VA 24141

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PRECIGEN, INC. [ PGEN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/13/2026		M		143,678	A	$0(1)	81,781,816	I	by. R.J. Kirk DOT(2)
Common Stock								477,492	I	by JPK 2008(2)
Common Stock								3,609,057	I	by JPK 2009(2)
Common Stock								1,615,634	I	by JPK 2012(2)
Common Stock								476,529	I	by MGK 2008(2)
Common Stock								3,785,116	I	by MGK 2009(2)
Common Stock								1,594,338	I	by MGK 2011(2)
Common Stock								566,162	I	by ZSK 2008(2)
Common Stock								341,189	I	by ZSK 2009(2)
Common Stock								447,773	I	by Kellie L. Banks LTT(2)
Common Stock								4,598,044	I	by Kapital Joe(2)
Common Stock								1,403	I	by Lotus(2)
Common Stock								6,085,471	I	by Third Security(2)
Common Stock								1,096,686	I	by Parkview 2020(2)
Common Stock								14,597,161	I	by Sunset 2020(2)
Common Stock								1,144,481	I	by Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	03/13/2026		M			143,678	(1)	(1)	Common Stock	143,678	$0	0	I	by R.J. Kirk DOT(2)

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one (1) share of issuer common stock. The restricted stock units were granted on March 13, 2025 and vested in their entirety on the one-year anniversary of the date of grant.

2. Randal J. Kirk controls each of R.J. Kirk Declaration of Trust ("R.J. Kirk DOT"), JPK 2008 LLC ("JPK 2008"), JPK 2009 LLC ("JPK 2009"), JPK 2012 LLC ("JPK 2012"), MGK 2008 LLC ("MGK 2008"), MGK 2009 LLC ("MGK 2009"), MGK 2011 LLC ("MGK 2011"), ZSK 2008 LLC ("ZSK 2008"), ZSK 2009 LLC ("ZSK 2009"), Kellie L. Banks (2009) Long Term Trust ("Kellie L. Banks LTT"), Kapital Joe, LLC ("Kapital Joe"), Lotus Capital (2000) Company, Inc. ("Lotus"), Third Security, LLC ("Third Security"), Parkview 2020 Limited Partnership ("Parkview 2020") and Sunset 2020 LLC ("Sunset 2020"). Shares held by these entities may be deemed to be beneficially owned (as defined under Rule 13d-3 promulgated under the Securities Exchange Act of 1934, as amended) by Mr. Kirk. Mr. Kirk disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Remarks:

	/s/ Randal J. Kirk	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Precigen (PGEN) report for Randal J. Kirk?

Precigen reported that director and major shareholder Randal J. Kirk exercised 143,678 restricted stock units into the same number of common shares at $0.00 per share on March 13, 2026, reflecting a vesting-related equity award conversion.

How many Precigen shares does the R.J. Kirk Declaration of Trust hold after this Form 4?

After the reported transactions, the R.J. Kirk Declaration of Trust holds 81,781,816 shares of Precigen common stock. These shares are reported as indirectly owned, with Mr. Kirk controlling the trust while disclaiming beneficial ownership except for any pecuniary interest.

Were any Precigen (PGEN) shares sold in this Form 4 filing?

No sales were reported. The Form 4 shows an exercise of 143,678 restricted stock units into common shares and multiple indirect holding entries, but no transactions coded as sales, gifts, or tax withholdings, indicating a vesting and hold pattern rather than disposition.

How are Randal J. Kirk’s Precigen holdings structured across entities?

The filing shows shares held indirectly through several entities, including R.J. Kirk DOT, JPK 2008, JPK 2009, JPK 2012, MGK entities, ZSK entities, Kellie L. Banks LTT, Kapital Joe, Lotus, Third Security, Parkview 2020, Sunset 2020 and a spouse account, all controlled by Mr. Kirk.

What does Randal J. Kirk’s beneficial ownership disclaimer mean for Precigen investors?

The disclaimer states that shares held by controlled entities may be deemed beneficially owned by Mr. Kirk, but he disclaims beneficial ownership except for any pecuniary interest. This clarifies his economic stake while noting legal distinctions in ownership across trusts and LLCs.

When were the exercised Precigen restricted stock units originally granted and when did they vest?

The 143,678 restricted stock units were granted on March 13, 2025 and vested in full one year later, on the first anniversary of the grant date. Upon vesting, they converted into an equal number of Precigen common shares reported in this Form 4.