LFUS

SEC source: 0000889331-25-000118 · form4.xml · nonDerivative · entry 1

CHUNG T J · CIK 0001217168 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,703

F1 · shares: Represents shares accrued as payment of dividends on unvested restricted stock units.

SEC source: 0000889331-25-000116 · form4.xml · nonDerivative · entry 2

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,752

F2 · shares: Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan.

SEC source: 0000889331-25-000116 · form4.xml · nonDerivative · entry 1

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,743

F1 · shares: Represents shares accrued as payment of dividends on unvested restricted stock units.

SEC source: 0000889331-25-000114 · form4.xml · nonDerivative · entry 2

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,032

F2 · shares: Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan.

SEC source: 0000889331-25-000114 · form4.xml · nonDerivative · entry 1

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,938

F1 · shares: Represents shares accrued as payment of dividends on unvested restricted stock units.

SEC source: 0000889331-25-000105 · form4.xml · derivative · entry 4

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,953

Underlying: Common Stock · 4,000 shares

Expires 2027-07-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The option for 11,953 shares vested in increments of one third annually beginning on the first anniversary of the July 31, 2020 date of grant.

SEC source: 0000889331-25-000105 · form4.xml · nonDerivative · entry 3

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,117

SEC source: 0000889331-25-000105 · form4.xml · nonDerivative · entry 2

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,217

F1 · price: The shares were sold in multiple transactions at prices ranging from $219.00 to $219.65, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0000889331-25-000105 · form4.xml · nonDerivative · entry 1

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,117

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000889331-25-000103 · form4.xml · nonDerivative · entry 1

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,975

SEC source: 0000889331-25-000102 · form4.xml · derivative · entry 4

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,953

Underlying: Common Stock · 4,000 shares

Expires 2027-07-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The option for 11,953 shares vested in increments of one third annually beginning on the first anniversary of the July 31, 2020 date of grant.

SEC source: 0000889331-25-000102 · form4.xml · nonDerivative · entry 3

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,117

F2 · price: The shares were sold in multiple transactions at prices ranging from $195.43 to $196.04, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0000889331-25-000102 · form4.xml · nonDerivative · entry 2

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,162

F1 · price: The shares were sold in multiple transactions at prices ranging from $194.43 to $195.40, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0000889331-25-000102 · form4.xml · nonDerivative · entry 1

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,117

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000889331-25-000100 · form4.xml · nonDerivative · entry 1

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,935

F1 · shares: Represents shares acquired pursuant to deferred compensation plan.

SEC source: 0000889331-25-000096 · form4.xml · nonDerivative · entry 3

Conrad Alexander · CIK 0001766692 · SVP &GM Passenger Vehicle

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,934

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000094 · form4.xml · nonDerivative · entry 3

Chu Maggie · CIK 0001872974 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,697

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000093 · form4.xml · nonDerivative · entry 3

Gorski Jeffrey G · CIK 0001685837 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,533

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000092 · form4.xml · nonDerivative · entry 3

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,117

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000091 · form4.xml · nonDerivative · entry 3

Marak Chad · CIK 0002010032 · SVP & GM Semiconductor Busines

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,355

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000090 · form4.xml · nonDerivative · entry 3

Stafford Ryan K · CIK 0001384707 · Executive VP, CLO & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,712

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000089 · form4.xml · nonDerivative · entry 3

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,452

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000088 · form4.xml · nonDerivative · entry 3

Kim Peter Sung-Jip · CIK 0002010494 · SVP & GM Industrial Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,156

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000096 · form4.xml · nonDerivative · entry 2

Conrad Alexander · CIK 0001766692 · SVP &GM Passenger Vehicle

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,148

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000094 · form4.xml · nonDerivative · entry 2

Chu Maggie · CIK 0001872974 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,817

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000093 · form4.xml · nonDerivative · entry 2

Gorski Jeffrey G · CIK 0001685837 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,634

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000092 · form4.xml · nonDerivative · entry 2

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,410

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000091 · form4.xml · nonDerivative · entry 2

Marak Chad · CIK 0002010032 · SVP & GM Semiconductor Busines

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,442

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000090 · form4.xml · nonDerivative · entry 2

Stafford Ryan K · CIK 0001384707 · Executive VP, CLO & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,996

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000089 · form4.xml · nonDerivative · entry 2

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,725

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000088 · form4.xml · nonDerivative · entry 2

Kim Peter Sung-Jip · CIK 0002010494 · SVP & GM Industrial Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,230

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000096 · form4.xml · nonDerivative · entry 1

Conrad Alexander · CIK 0001766692 · SVP &GM Passenger Vehicle

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,358

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000094 · form4.xml · nonDerivative · entry 1

Chu Maggie · CIK 0001872974 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,953

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000093 · form4.xml · nonDerivative · entry 1

Gorski Jeffrey G · CIK 0001685837 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,749

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000092 · form4.xml · nonDerivative · entry 1

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,736

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000091 · form4.xml · nonDerivative · entry 1

Marak Chad · CIK 0002010032 · SVP & GM Semiconductor Busines

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,555

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000090 · form4.xml · nonDerivative · entry 1

Stafford Ryan K · CIK 0001384707 · Executive VP, CLO & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,293

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000089 · form4.xml · nonDerivative · entry 1

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,992

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000088 · form4.xml · nonDerivative · entry 1

Kim Peter Sung-Jip · CIK 0002010494 · SVP & GM Industrial Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,334

F1 · price: Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

SEC source: 0000889331-25-000080 · form4.xml · nonDerivative · entry 1

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,740

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0000889331-25-000076 · form4.xml · nonDerivative · entry 1

CHUNG T J · CIK 0001217168 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,700

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0000889331-25-000074 · form4.xml · nonDerivative · entry 1

GREEN MARIA C · CIK 0001525175 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,710

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0000889331-25-000072 · form4.xml · nonDerivative · entry 1

Cerniglia Kristina A. · CIK 0001614437 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,246

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0000889331-25-000070 · form4.xml · nonDerivative · entry 1

HUNTER GORDON · CIK 0001186518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,748

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0000889331-25-000068 · form4.xml · nonDerivative · entry 1

DELLY GAYLA J · CIK 0001218358 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,805

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0000889331-25-000066 · form4.xml · nonDerivative · entry 1

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,790

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2026 Annual Meeting of Stockholders.

SEC source: 0000889331-25-000062 · form4.xml · nonDerivative · entry 1

Marak Chad · CIK 0002010032 · SVP & GM Semiconductor Busines

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,728

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in increments of one-third annually beginning on the first anniversary of the date of grant.

SEC source: 0000889331-25-000064 · form4.xml · nonDerivative · entry 1

Ruppel David · CIK 0002055015 · SVP & GM Commercial Vehicle

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,497

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Littelfuse/IXYS Corporation Long-Term Incentive Plan. The grant vests in increments of one-third annually beginning on the first anniversary of the date of grant.

SEC source: 0000889331-25-000060 · form4.xml · nonDerivative · entry 1

Conrad Alexander · CIK 0001766692 · SVP &GM Passenger Vehicle

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,594

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in increments of one-third annually beginning on the first anniversary of the date of grant.

SEC source: 0000889331-25-000058 · form4.xml · nonDerivative · entry 1

Kim Peter Sung-Jip · CIK 0002010494 · SVP & GM Industrial Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,485

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in increments of one-third annually beginning on the first anniversary of the date of grant.