[Form 4] FULLER H B CO Insider Trading Activity

Rhea-AI Filing Summary

H.B. Fuller Executive VP and CFO John J. Corkrean reported multiple equity compensation transactions dated 01/24/2026. He acquired 2,943 shares of common stock from performance stock units and 1,301 shares from restricted stock units, both at a price of $60.07 per share. An additional 116 shares of common stock were credited based on dividend accruals during the vesting period.

To cover taxes on these issuances, 465 shares and 1,005 shares of common stock were withheld, each at $60.07 per share. After these transactions, Corkrean directly owned 57,536 shares of H.B. Fuller common stock. The filing also lists various fully vested and time-vested employee stock options, restricted stock units, performance units, and phantom units that are settled or convertible on a 1-for-1 basis into common stock under specified vesting and plan terms.

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^*

Corkrean John J

(Last) (First) (Middle)

1200 WILLOW LAKE BOULEVARD

P.O. BOX 64683

(Street)

ST. PAUL MN 55164-0683

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FULLER H B CO [ FUL ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive VP and CFO

3. Date of Earliest Transaction (Month/Day/Year)
01/24/2026

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	01/24/2026		M		2,943	A	$60.07	57,589	D
Common Stock	01/24/2026		M		1,301	A	$60.07	58,890	D
Common Stock	01/24/2026		A		116(1)	A	$60.07	59,006	D
Common Stock	01/24/2026		F		465(2)	D	$60.07	58,541	D
Common Stock	01/24/2026		F		1,005(3)	D	$60.07	57,536	D

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
Performance Stock Units	$0.0000(4)	01/24/2026		M			2,943	01/24/2026	01/24/2026	Common Stock	2,943	$60.07	0.0000	D
Restricted Stock Units	$0.0000(5)	01/24/2026		M			1,301	01/24/2024(6)	01/24/2026	Common Stock	1,301	$60.07	0.0000	D
Employee Stock Option (Right-to-Buy)	$45.05							01/24/2020(7)	01/24/2029	Common Stock	41,208		41,208	D
Employee Stock Option (Right-to-Buy)	$48.35							01/24/2021(7)	01/24/2030	Common Stock	48,309		48,309	D
Employee Stock Option (Right-to-Buy)	$50.1							01/26/2018(7)	01/26/2027	Common Stock	23,696		23,696	D
Employee Stock Option (Right-to-Buy)	$51.89							01/27/2022(7)	01/27/2031	Common Stock	38,376		38,376	D
Employee Stock Option (Right-to-Buy)	$53.57							01/25/2019(7)	01/25/2028	Common Stock	21,834		21,834	D
Employee Stock Option (Right-to-Buy)	$64.28							01/27/2026(8)	01/27/2035	Common Stock	24,570		24,570	D
Employee Stock Option (Right-to-Buy)	$68.17							01/24/2024(7)	01/24/2033	Common Stock	22,312		22,312	D
Employee Stock Option (Right-to-Buy)	$72.94							01/24/2023(7)	01/24/2032	Common Stock	21,997		21,997	D
Employee Stock Option (Right-to-Buy)	$77.72							01/26/2025(8)	01/26/2034	Common Stock	24,774		24,774	D
Phantom Units	$0.0000(9)							(10)	(10)	Common Stock	28,248.05		28,248.05(11)	D
Restricted Stock Units	$0.0000(5)							01/26/2025(6)	01/26/2027	Common Stock	2,852.64		2,852.64(12)	D
Restricted Stock Units	$0.0000(5)							01/27/2026(6)	01/27/2028	Common Stock	4,370.58		4,370.58(12)	D

Explanation of Responses:

1. This amount reflects the number of shares acquired pursuant to dividend accruals during the vesting period.

2. Shares withheld for taxes due on 1,301 shares issued.

3. Shares withheld for taxes due on 3,059 shares issued.

4. These performance stock units convert into shares of common stock on a 1-for-1 basis.

5. These restricted stock units convert into shares of common stock on a 1-for-1 basis.

6. These restricted stock units vest in three annual installments (33%, 33%, and 34%) beginning on the date shown.

7. This option is 100% vested.

8. This option vests in three annual installments (33%, 33%, and 34%) beginning on the date shown.

9. These units (acquired after 12-31-04) convert into shares of common stock on a 1-for-1 basis.

10. These units (acquired after 12-31-04) convert into shares of common stock upon the earlier of certain termination events as specified in the Key Employee Deferred Compensation Plan or such earlier date as selected by the participant, subject to holding periods required by law.

11. Amount includes stock units acquired pursuant to a dividend equivalent feature.

12. Amount includes restricted stock units acquired pursuant to a dividend equivalent reinvestment feature.

	/s/ Patrick J. Seul, Attorney-in-Fact	01/27/2026
	** Signature of Reporting Person	Date
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