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: 1/29/2026ACC: 0001225208-26-001035

InsiderDU XINYUCIK 2051551

→

IssuerFULLER H B COCIK 39368

Officer· Sr. VP, Global R&D

Since Jan 2026

-134.00

Net shares

Net seller

$8.0K

Total sold

Open market trades

0B · 0S

Total transactions

448.00 acquired · 582.00 disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+448.00

Price / share

$59.81

Trade value

$26.79K

% of position

16.2%

1/27/2026

2.77K→3.21K

Common Stock

Direct

F · Tax Withholding

−134.00

Price / share

$59.81

Trade value

$8.01K

% of position

4.2%

1/27/2026

3.21K→3.08K

Total

Net shares

+314.00

Net value

$18.78K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	1/27/2026	M · Option Exercise	+448.00	$59.81	$26.79K	16.2%	2.77K	3.21K
Common Stock Direct	1/27/2026	F · Tax Withholding	−134.00	$59.81	$8.01K	4.2%	3.21K	3.08K
Total			+314.00		$18.78K

Derivative Transactions1

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

448.00 shares

−448.00

Strike price

0.0000

Held after

912.32

Exercisable

—

1/27/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock448.00 shares	1/27/2026	M · Option Exercise	−448.00	0.0000	—	912.32

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)9

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

—

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

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

10.96K

Shares owned

10.96K

Exercise price

59.8100

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

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

205.86

Shares owned

205.86

Exercise price

0.0000

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

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

1.62K

Shares owned

1.62K

Exercise price

0.0000

Expiration

—

Exercise window

—

Total

Underlying

34K

Owned

34K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
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
Employee Stock Option (Right-to-Buy) Direct	Common Stock	68.1700	—	—	2.84K	2.84K
Employee Stock Option (Right-to-Buy) Direct	Common Stock	64.2800	—	—	7.68K	7.68K
Employee Stock Option (Right-to-Buy) Direct	Common Stock	59.8100	—	—	10.96K	10.96K
Employee Stock Option (Right-to-Buy) Direct	Common Stock	77.7200	—	—	3.57K	3.57K
Restricted Stock Units Direct	Common Stock	0.0000	—	—	205.86	205.86
Employee Stock Option (Right-to-Buy) Direct	Common Stock	72.9400	—	—	2.56K	2.56K
Restricted Stock Units Direct	Common Stock	0.0000	—	—	1.62K	1.62K
Total					34K	34K