STAFFORD RYAN K (Executive VP, CLO & Corp Sec) sold 37.1% of their position (16.84K shares) of LITTELFUSE INC /DE on the open market

Open‑market sale worth $5.48M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

STAFFORD RYAN K

Filed: 2/4/2026ACC: 0001384707-26-000002

InsiderSTAFFORD RYAN KCIK 1384707

→

IssuerLITTELFUSE INC /DECIK 889331

Officer· Executive VP, CLO & Corp Sec

Since Mar 2026

-16.84K

Net shares

Net seller

$5.48M

Total sold

Open market trades

0B · 3S

Total transactions

16.84K acquired · 33.68K disposed

Non-Derivative Transactions4

Common Stock

Direct

M · Option Exercise

+16.84K

Price / share

$132.08

Trade value

$2.22M

% of position

58.9%

2/2/2026

28.59K→45.43K

Common Stock

Direct

S · Sale

−109.00

Price / share

$327.15

Trade value

$35.66K

% of position

0.2%

2/2/2026

45.43K→45.32K

Common Stock

Direct

S · Sale

−623.00

Price / share

$326.45

Trade value

$203.38K

% of position

1.4%

2/2/2026

45.32K→44.70K

Common Stock

Direct

S · Sale

−16.11K

Price / share

$325.19

Trade value

$5.24M

% of position

36.0%

2/2/2026

44.70K→28.59K

Total

Net shares

+0.00

Net value

-$3.25M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/2/2026	M · Option Exercise	+16.84K	$132.08	$2.22M	58.9%	28.59K	45.43K
Common Stock Direct	2/2/2026	S · Sale	−109.00	$327.15	$35.66K	0.2%	45.43K	45.32K
Common Stock Direct	2/2/2026	S · Sale	−623.00	$326.45	$203.38K	1.4%	45.32K	44.70K
Common Stock Direct	2/2/2026	S · Sale	−16.11K	$325.19	$5.24M	36.0%	44.70K	28.59K
Total			+0.00		-$3.25M

Derivative Transactions1

Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

16.84K shares

−16.84K

Strike price

132.08

Held after

0.00

Exercisable

—

2/2/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (right to buy) Direct	Common Stock16.84K shares	2/2/2026	M · Option Exercise	−16.84K	132.08	—	0.00