DU XINYU (Sr. VP, Global R&D) exercised options at FULLER H B CO

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

DU XINYU

Filed: 1/28/2026ACC: 0001225208-26-000980

InsiderDU XINYUCIK 2051551

→

IssuerFULLER H B COCIK 39368

Officer· Sr. VP, Global R&D

Since Jan 2026

+12.52K

Net shares

Net buyer

$3.7K

Total sold

Open market trades

0B · 0S

Total transactions

12.78K acquired · 260.00 disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+199.00

Price / share

$60.07

Trade value

$11.95K

% of position

7.6%

1/26/2026

2.63K→2.83K

Common Stock

Direct

F · Tax Withholding

−61.00

Price / share

$60.07

Trade value

$3.66K

% of position

2.2%

1/26/2026

2.83K→2.77K

Total

Net shares

+138.00

Net value

$8.29K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	1/26/2026	M · Option Exercise	+199.00	$60.07	$11.95K	7.6%	2.63K	2.83K
Common Stock Direct	1/26/2026	F · Tax Withholding	−61.00	$60.07	$3.66K	2.2%	2.83K	2.77K
Total			+138.00		$8.29K

Derivative Transactions3

Employee Stock Option (Right-to-Buy)

Direct

A · Award

Converts to

Common Stock

10.96K shares

+10.96K

Strike price

59.8100

Held after

10.96K

Exercisable

—

1/26/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

199.00 shares

−199.00

Strike price

0.0000

Held after

205.86

Exercisable

—

1/26/2026

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

1.62K shares

+1.62K

Strike price

0.0000

Held after

1.62K

Exercisable

—

1/26/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option (Right-to-Buy) Direct	Common Stock10.96K shares	1/26/2026	A · Award	+10.96K	59.8100	—	10.96K
Restricted Stock Units Direct	Common Stock199.00 shares	1/26/2026	M · Option Exercise	−199.00	0.0000	—	205.86
Restricted Stock Units Direct	Common Stock1.62K shares	1/26/2026	A · Award	+1.62K	0.0000	—	1.62K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)7

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

1.36K

Shares owned

1.36K

Exercise price

0.0000

Expiration

—

Exercise window

—

Employee Stock Option (Right-to-Buy)

Direct

Underlying security

Common Stock

Underlying shares

3.57K

Shares owned

3.57K

Exercise price

77.7200

Expiration

—

Exercise window

—

Employee Stock Option (Right-to-Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.56K

Shares owned

2.56K

Exercise price

72.9400

Expiration

—

Exercise window

—

Employee Stock Option (Right-to-Buy)

Direct

Underlying security

Common Stock

Underlying shares

7.68K

Shares owned

7.68K

Exercise price

64.2800

Expiration

—

Exercise window

—

Employee Stock Option (Right-to-Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.84K

Shares owned

2.84K

Exercise price

68.1700

Expiration

—

Exercise window

—

Employee Stock Option (Right-to-Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.82K

Shares owned

1.82K

Exercise price

48.3500

Expiration

—

Exercise window

—

Employee Stock Option (Right-to-Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.74K

Shares owned

2.74K

Exercise price

51.8900

Expiration

—

Exercise window

—

Total

Underlying

22.57K

Owned

22.57K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Direct	Common Stock	0.0000	—	—	1.36K	1.36K
Employee Stock Option (Right-to-Buy) Direct	Common Stock	77.7200	—	—	3.57K	3.57K
Employee Stock Option (Right-to-Buy) Direct	Common Stock	72.9400	—	—	2.56K	2.56K
Employee Stock Option (Right-to-Buy) Direct	Common Stock	64.2800	—	—	7.68K	7.68K
Employee Stock Option (Right-to-Buy) Direct	Common Stock	68.1700	—	—	2.84K	2.84K
Employee Stock Option (Right-to-Buy) Direct	Common Stock	48.3500	—	—	1.82K	1.82K
Employee Stock Option (Right-to-Buy) Direct	Common Stock	51.8900	—	—	2.74K	2.74K
Total					22.57K	22.57K