[Form 4] FULLER H B CO Insider Trading Activity

Rhea-AI Filing Summary

H.B. Fuller (FUL) reported insider equity activity for its Executive VP and CFO on a Form 4. On 10/10/2025, the officer acquired 165.1 phantom units (1-for-1 into common stock), bringing total phantom units beneficially owned to 26,936.83, including amounts from a dividend equivalent feature. Following the reported transactions, the officer directly owned 52,196 shares of common stock.

The filing also lists multiple employee stock options with exercise prices between $43.48 and $77.72 and various expiration dates, plus restricted stock units that vest in three annual installments beginning on their stated grant dates.

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).

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)
10/10/2025

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								52,196	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
Phantom Units	$0.0000(1)	10/10/2025		A		165.1		(2)	(2)	Common Stock	165.1	$57.09	26,936.83(3)	D
Employee Stock Option (Right-to-Buy)	$43.48							05/17/2017(4)	05/17/2026	Common Stock	16,672		16,672	D
Employee Stock Option (Right-to-Buy)	$45.05							01/24/2020(4)	01/24/2029	Common Stock	41,208		41,208	D
Employee Stock Option (Right-to-Buy)	$48.35							01/24/2021(4)	01/24/2030	Common Stock	48,309		48,309	D
Employee Stock Option (Right-to-Buy)	$50.1							01/26/2018(4)	01/26/2027	Common Stock	23,696		23,696	D
Employee Stock Option (Right-to-Buy)	$51.89							01/27/2022(4)	01/27/2031	Common Stock	38,376		38,376	D
Employee Stock Option (Right-to-Buy)	$53.57							01/25/2019(4)	01/25/2028	Common Stock	21,834		21,834	D
Employee Stock Option (Right-to-Buy)	$64.28							01/27/2026(5)	01/27/2035	Common Stock	24,570		24,570	D
Employee Stock Option (Right-to-Buy)	$68.17							01/24/2024(5)	01/24/2033	Common Stock	22,312		22,312	D
Employee Stock Option (Right-to-Buy)	$72.94							01/24/2023(4)	01/24/2032	Common Stock	21,997		21,997	D
Employee Stock Option (Right-to-Buy)	$77.72							01/26/2025(5)	01/26/2034	Common Stock	24,774		24,774	D
Restricted Stock Units	$0.0000(6)							01/24/2024(7)	01/24/2026	Common Stock	1,297.11		1,297.11(8)	D
Restricted Stock Units	$0.0000(6)							01/26/2025(7)	01/26/2027	Common Stock	2,841.16		2,841.16(8)	D
Restricted Stock Units	$0.0000(6)							01/27/2026(7)	01/27/2028	Common Stock	4,352.99		4,352.99(8)	D

Explanation of Responses:

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

2. 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.

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

4. This option is 100% vested.

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

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

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

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

	/s/ Patrick J. Seul, Attorney-in-Fact	10/14/2025
	** 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.
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FAQ

What did H.B. Fuller (FUL) disclose about insider activity?

The Executive VP and CFO acquired 165.1 phantom units on 10/10/2025 and reported updated holdings.

How many common shares does the H.B. Fuller CFO now directly own?

The officer directly owns 52,196 shares of common stock.

How many phantom units does the H.B. Fuller CFO beneficially own after the transaction?

Total phantom units beneficially owned are 26,936.83.

What is the conversion for H.B. Fuller phantom units and RSUs?

Both phantom units and RSUs convert into common stock on a 1-for-1 basis.

What vesting terms were disclosed for H.B. Fuller equity awards?

Certain options are 100% vested; others and RSUs vest in 33%, 33%, 34% annual installments beginning on the date shown.

What option exercise prices were listed in the H.B. Fuller filing?

Exercise prices include $43.48, $45.05, $48.35, $50.10, $51.89, $53.57, $64.28, $68.17, $72.94, and $77.72.

Which role at H.B. Fuller filed this Form 4?

The Executive VP and CFO filed the report.