Senior insider sale

LITTELFUSE INC /DE — senior position signals high conviction

$1.73M

5K shares

What this filing means

GRILLO ANTHONY plans to sell 5K shares of LITTELFUSE INC /DE valued at approximately $1.73M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

GRILLO ANTHONY

Filed: 2/10/2026ACC: 0001628280-26-006792

InsiderGRILLO ANTHONYCIK 1070847

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IssuerLITTELFUSE INC /DECIK 889331

Director

Since Jul 2018

Shares to sell

$1.73M

Approx. market value

Acquired (3 months)

Planned

Securities Acquired — Last 3 Months18

Sort

Stock option exercise

Cash

3/21/2025

800.00

Vesting of RSU

Compensation

4/28/2024

166.00

Vesting of RSU

Compensation

4/27/2024

156.00

Vesting of RSU

Compensation

4/22/2024

132.00

Stock option exercise

Cash

2/8/2024

945.00

Vesting of RSU

Compensation

4/28/2023

166.00

Vesting of RSU

Compensation

4/23/2023

269.00

Vesting of RSU

Compensation

4/22/2023

132.00

Stock option exercise

Cash

1/30/2023

548.00

Vesting of RSU

Compensation

4/26/2022

179.00

Vesting of RSU

Compensation

4/23/2022

269.00

Vesting of RSU

Compensation

4/22/2022

132.00

Vesting of RSU

Compensation

4/27/2021

156.00

Vesting of RSU

Compensation

4/26/2021

178.00

Vesting of RSU

Compensation

4/23/2021

269.00

Vesting of RSU

Compensation

4/28/2020

168.00

Vesting of RSU

Compensation

4/27/2020

156.00

Vesting of RSU

Compensation

4/26/2020

179.00

Total acquired5K

Acquisition Date	Type	Amount Acquired	Gift
3/21/2025	Stock option exercise Cash	800.00	—
4/28/2024	Vesting of RSU Compensation	166.00	—
4/27/2024	Vesting of RSU Compensation	156.00	—
4/22/2024	Vesting of RSU Compensation	132.00	—
2/8/2024	Stock option exercise Cash	945.00	—
4/28/2023	Vesting of RSU Compensation	166.00	—
4/23/2023	Vesting of RSU Compensation	269.00	—
4/22/2023	Vesting of RSU Compensation	132.00	—
1/30/2023	Stock option exercise Cash	548.00	—
4/26/2022	Vesting of RSU Compensation	179.00	—
4/23/2022	Vesting of RSU Compensation	269.00	—
4/22/2022	Vesting of RSU Compensation	132.00	—
4/27/2021	Vesting of RSU Compensation	156.00	—
4/26/2021	Vesting of RSU Compensation	178.00	—
4/23/2021	Vesting of RSU Compensation	269.00	—
4/28/2020	Vesting of RSU Compensation	168.00	—
4/27/2020	Vesting of RSU Compensation	156.00	—
4/26/2020	Vesting of RSU Compensation	179.00	—
Total		5K

Planned & Completed Dispositions1

Sort

NASDAQPlanned

Units to sell

Market value

$1.73M

2/10/2026

Total

Units

Value

$1.73M

Date	Units to Sell	Approx. Market Value	Exchange	Status
2/10/2026	5K	$1.73M	NASDAQ	Planned
Total	5K	$1.73M