[Form 4] FULLER H B CO Insider Trading Activity

Rhea-AI Filing Summary

H.B. Fuller (FUL) senior officer (Sr. VP, International Growth) reported insider activity on 10/10/2025. The filing shows an acquisition of 37.98 phantom units, which convert into common stock on a 1‑for‑1 basis.

Following the reported transactions, the officer beneficially owned 22,316.23 shares of common stock (direct). Derivative holdings included 5,021.52 phantom units after the update, plus various employee stock options and restricted stock units with stated exercise prices, vesting schedules, and expirations as disclosed.

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^*

Campe Heather

(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)
	Sr. VP, International Growth

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								22,316.23(1)	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(2)	10/10/2025		A		37.98		(3)	(3)	Common Stock	37.98	$57.09	5,021.52(4)	D
Employee Stock Option (Right-to-Buy)	$51.89							01/27/2022(5)	01/27/2031	Common Stock	19,520		19,520	D
Employee Stock Option (Right-to-Buy)	$53.57							01/25/2019(5)	01/25/2028	Common Stock	21,834		21,834	D
Employee Stock Option (Right-to-Buy)	$64.28							01/27/2026(6)	01/27/2035	Common Stock	10,831		10,831	D
Employee Stock Option (Right-to-Buy)	$68.17							01/24/2024(6)	01/24/2033	Common Stock	10,730		10,730	D
Employee Stock Option (Right-to-Buy)	$72.94							01/24/2023(5)	01/24/2032	Common Stock	11,636		11,636	D
Employee Stock Option (Right-to-Buy)	$77.72							01/26/2025(6)	01/26/2034	Common Stock	9,928		9,928	D
Restricted Stock Units	$0.0000(7)							01/24/2024(8)	01/24/2026	Common Stock	623.89		623.89(9)	D
Restricted Stock Units	$0.0000(7)							01/26/2025(8)	01/26/2027	Common Stock	1,139.13		1,139.13(9)	D
Restricted Stock Units	$0.0000(7)							01/27/2026(8)	01/27/2028	Common Stock	1,918.46		1,918.46(9)	D

Explanation of Responses:

1. Amount includes shares acquired pursuant to a dividend reinvestment plan.

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

3. 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.

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

5. This option is 100% vested.

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

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

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

9. 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 in this Form 4?

An officer reported acquiring 37.98 phantom units on 10/10/2025 and updated beneficial ownership totals.

How many H.B. Fuller shares does the reporting person own after the transaction?

The filing lists 22,316.23 shares of common stock beneficially owned (direct).

How many phantom units are held after the update for FUL?

The filing shows 5,021.52 phantom units beneficially owned following the reported transaction.

What are phantom units and how do they convert at H.B. Fuller?

Per the filing, these units convert into common stock on a 1‑for‑1 basis and follow plan terms.

Were stock options or RSUs disclosed in the FUL Form 4?

Yes. The report lists multiple employee stock options (with exercise prices and expirations) and restricted stock units with three‑installment vesting schedules.

What is the officer’s role at H.B. Fuller (FUL)?

The reporting person is an Officer, titled Sr. VP, International Growth.