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Nasdaq · USD

LFUS

LITTELFUSE INC /DE

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Tapewire entity
3514
SEC CIK
0000889331
Parsed reports
893

Last 12 months

Inside the activity.

0 purchase rows · 56 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202501
Dec 202505
Jan 202600
Feb 2026029
Mar 202600
Apr 202603
May 202607
Jun 2026011
Jul 202600
Aug 202600
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Ruppel DavidSVP & GM Transportation Bus.
Tax withholdingCommon Stock 220 $407.14 $89,570.80
Disclosure

SEC source: 0002055015-26-000009 · wk-form4_1777409440.xml · nonDerivative · entry 2

Ruppel David · CIK 0002055015 · SVP & GM Transportation Bus.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,766

F2 · 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.

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Ruppel DavidSVP & GM Transportation Bus.
Tax withholdingCommon Stock 2 $407.14 $814.28
Disclosure

SEC source: 0002055015-26-000009 · wk-form4_1777409440.xml · nonDerivative · entry 1

Ruppel David · CIK 0002055015 · SVP & GM Transportation Bus.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,986

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

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Gorski Jeffrey GSVP & Chief Accounting Officer
Tax withholdingCommon Stock 303 $407.14 $123,363.42
Disclosure

SEC source: 0001685837-26-000007 · wk-form4_1777409434.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,703

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.

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Nayar DeepakSVP & GM Electronics Business
Tax withholdingCommon Stock 649 $407.14 $264,233.86
Disclosure

SEC source: 0001526287-26-000008 · wk-form4_1777409428.xml · nonDerivative · entry 2

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,993

F2 · 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.

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Nayar DeepakSVP & GM Electronics Business
Tax withholdingCommon Stock 7 $407.14 $2,849.98
Disclosure

SEC source: 0001526287-26-000008 · wk-form4_1777409428.xml · nonDerivative · entry 1

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,642

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

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Henderson Gregory N.Director · President & CEO
Tax withholdingCommon Stock 1,669 $407.14 $679,516.66
Disclosure

SEC source: 0001590599-26-000006 · wk-form4_1777409423.xml · nonDerivative · entry 2

Henderson Gregory N. · CIK 0001590599 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,133

F2 · 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.

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Henderson Gregory N.Director · President & CEO
Tax withholdingCommon Stock 22 $407.14 $8,957.08
Disclosure

SEC source: 0001590599-26-000006 · wk-form4_1777409423.xml · nonDerivative · entry 1

Henderson Gregory N. · CIK 0001590599 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,802

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

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Stafford Ryan KExecutive VP, CLO & Corp Sec
Tax withholdingCommon Stock 611 $407.14 $248,762.54
Disclosure

SEC source: 0001384707-26-000006 · wk-form4_1777409415.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: 27,984

F2 · 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.

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Stafford Ryan KExecutive VP, CLO & Corp Sec
Tax withholdingCommon Stock 7 $407.14 $2,849.98
Disclosure

SEC source: 0001384707-26-000006 · wk-form4_1777409415.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: 28,595

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

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Kim Peter Sung-JipSVP & GM Industrial Business
Tax withholdingCommon Stock 319 $407.14 $129,877.66
Disclosure

SEC source: 0002010494-26-000008 · wk-form4_1777409410.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: 10,904

F2 · 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.

Read SEC document
April 24, 2026 Filed Apr 28, 2026 20:50 UTC
Kim Peter Sung-JipSVP & GM Industrial Business
Tax withholdingCommon Stock 4 $407.14 $1,628.56
Disclosure

SEC source: 0002010494-26-000008 · wk-form4_1777409410.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: 11,223

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

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:22 UTC
Hamed Karim WagdySVP & GM Semiconductor Busines
GrantCommon Stock 1,521 $0.00 $0.00
Disclosure

SEC source: 0002081396-26-000004 · wk-form4_1777062148.xml · nonDerivative · entry 1

Hamed Karim Wagdy · CIK 0002081396 · SVP & GM Semiconductor Busines

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,958

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.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:22 UTC
Nayar DeepakSVP & GM Electronics Business
GrantCommon Stock 1,632 $0.00 $0.00
Disclosure

SEC source: 0001526287-26-000006 · wk-form4_1777062144.xml · nonDerivative · entry 1

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,649

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.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:22 UTC
Gorski Jeffrey GSVP & Chief Accounting Officer
GrantCommon Stock 573 $0.00 $0.00
Disclosure

SEC source: 0001685837-26-000005 · wk-form4_1777062134.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,006

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.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:22 UTC
Khandelwal AbhishekExecutive VP, CFO
GrantCommon Stock 2,356 $0.00 $0.00
Disclosure

SEC source: 0001807380-26-000004 · wk-form4_1777062139.xml · nonDerivative · entry 1

Khandelwal Abhishek · CIK 0001807380 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,941

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.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:22 UTC
Henderson Gregory N.Director · President & CEO
GrantCommon Stock 6,843 $0.00 $0.00
Disclosure

SEC source: 0001590599-26-000004 · wk-form4_1777062128.xml · nonDerivative · entry 1

Henderson Gregory N. · CIK 0001590599 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,824

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.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:22 UTC
Chu MaggieSVP, CHRO
GrantCommon Stock 1,084 $0.00 $0.00
Disclosure

SEC source: 0001872974-26-000006 · wk-form4_1777062122.xml · nonDerivative · entry 1

Chu Maggie · CIK 0001872974 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,809

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.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:21 UTC
Kim Peter Sung-JipSVP & GM Industrial Business
GrantCommon Stock 1,047 $0.00 $0.00
Disclosure

SEC source: 0002010494-26-000006 · wk-form4_1777062116.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: 11,227

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.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:21 UTC
Ruppel DavidSVP & GM Transportation Bus.
GrantCommon Stock 1,018 $0.00 $0.00
Disclosure

SEC source: 0002055015-26-000007 · wk-form4_1777062110.xml · nonDerivative · entry 1

Ruppel David · CIK 0002055015 · SVP & GM Transportation Bus.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,988

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.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:21 UTC GrantCommon Stock 482 $0.00 $0.00
Disclosure

SEC source: 0001070847-26-000006 · wk-form4_1777062072.xml · nonDerivative · entry 1

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,890

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 2027 Annual Meeting of Stockholders.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:21 UTC GrantCommon Stock 482 $0.00 $0.00
Disclosure

SEC source: 0001525175-26-000006 · wk-form4_1777062066.xml · nonDerivative · entry 1

GREEN MARIA C · CIK 0001525175 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,203

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 2027 Annual Meeting of Stockholders.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:21 UTC
CHUNG T JDirector
GrantCommon Stock 482 $0.00 $0.00
Disclosure

SEC source: 0001217168-26-000005 · wk-form4_1777062060.xml · nonDerivative · entry 1

CHUNG T J · CIK 0001217168 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,291

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 2027 Annual Meeting of Stockholders.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:20 UTC GrantCommon Stock 482 $0.00 $0.00
Disclosure

SEC source: 0002115144-26-000006 · wk-form4_1777062048.xml · nonDerivative · entry 1

PAEPER HOLLY Beth · CIK 0002115144 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 554

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 2027 Annual Meeting of Stockholders.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:20 UTC GrantCommon Stock 482 $0.00 $0.00
Disclosure

SEC source: 0001186518-26-000006 · wk-form4_1777062054.xml · nonDerivative · entry 1

HUNTER GORDON · CIK 0001186518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,281

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 2027 Annual Meeting of Stockholders.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:20 UTC GrantCommon Stock 482 $0.00 $0.00
Disclosure

SEC source: 0001614437-26-000006 · wk-form4_1777062042.xml · nonDerivative · entry 1

Cerniglia Kristina A. · CIK 0001614437 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,739

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 2027 Annual Meeting of Stockholders.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:20 UTC GrantCommon Stock 482 $0.00 $0.00
Disclosure

SEC source: 0001201094-26-000006 · wk-form4_1777062035.xml · nonDerivative · entry 1

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,176

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 2027 Annual Meeting of Stockholders.

Read SEC document
March 13, 2026 Filed Mar 16, 2026 23:25 UTC GiftCommon Stock 3,000 $0.00 $0.00
Disclosure

SEC source: 0001140361-26-009671 · form4.xml · nonDerivative · entry 1

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,408

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:54 UTC GrantCommon Stock 2 $323.58 $647.16
Disclosure

SEC source: 0001628280-26-016079 · wk-form4_1773089655.xml · nonDerivative · entry 1

DELLY GAYLA J · CIK 0001218358 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,816

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

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC GrantCommon Stock 2 $323.58 $647.16
Disclosure

SEC source: 0001070847-26-000004 · wk-form4_1773088916.xml · nonDerivative · entry 2

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,408

F2 · shares: Represents shares accrued as payment of dividends on unvested restricted stock units.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC GrantCommon Stock 72 $323.58 $23,297.76
Disclosure

SEC source: 0001070847-26-000004 · wk-form4_1773088916.xml · nonDerivative · entry 1

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,406

F1 · shares: Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC GrantCommon Stock 2 $323.58 $647.16
Disclosure

SEC source: 0001186518-26-000004 · wk-form4_1773088911.xml · nonDerivative · entry 2

HUNTER GORDON · CIK 0001186518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,799

F2 · shares: Represents shares accrued as payment of dividends on unvested restricted stock units.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC GrantCommon Stock 8 $323.58 $2,588.64
Disclosure

SEC source: 0001186518-26-000004 · wk-form4_1773088911.xml · nonDerivative · entry 1

HUNTER GORDON · CIK 0001186518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,797

F1 · shares: Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC
Kim Peter Sung-JipSVP & GM Industrial Business
GrantCommon Stock 5 $323.58 $1,617.90
Disclosure

SEC source: 0002010494-26-000004 · wk-form4_1773088904.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: 10,180

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

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC GrantCommon Stock 2 $323.58 $647.16
Disclosure

SEC source: 0001614437-26-000004 · wk-form4_1773088895.xml · nonDerivative · entry 1

Cerniglia Kristina A. · CIK 0001614437 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,257

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

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC
Henderson Gregory N.Director · President & CEO
GrantCommon Stock 30 $323.58 $9,707.40
Disclosure

SEC source: 0001590599-26-000002 · wk-form4_1773088889.xml · nonDerivative · entry 1

Henderson Gregory N. · CIK 0001590599 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,981

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

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC
Stafford Ryan KExecutive VP, CLO & Corp Sec
GrantCommon Stock 11 $323.58 $3,559.38
Disclosure

SEC source: 0001384707-26-000004 · wk-form4_1773088881.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: 28,602

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

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC
Khandelwal AbhishekExecutive VP, CFO
GrantCommon Stock 11 $323.58 $3,559.38
Disclosure

SEC source: 0001807380-26-000002 · wk-form4_1773088874.xml · nonDerivative · entry 2

Khandelwal Abhishek · CIK 0001807380 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,585

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

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC
Khandelwal AbhishekExecutive VP, CFO
GrantCommon Stock 7 $323.58 $2,265.06
Disclosure

SEC source: 0001807380-26-000002 · wk-form4_1773088874.xml · nonDerivative · entry 1

Khandelwal Abhishek · CIK 0001807380 · Executive VP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,574

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

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC
CHUNG T JDirector
GrantCommon Stock 2 $323.58 $647.16
Disclosure

SEC source: 0001217168-26-000003 · wk-form4_1773088868.xml · nonDerivative · entry 2

CHUNG T J · CIK 0001217168 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,809

F2 · shares: Represents shares accrued as payment of dividends on unvested restricted stock units.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC
CHUNG T JDirector
GrantCommon Stock 21 $323.58 $6,795.18
Disclosure

SEC source: 0001217168-26-000003 · wk-form4_1773088868.xml · nonDerivative · entry 1

CHUNG T J · CIK 0001217168 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,807

F1 · shares: Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:41 UTC
Ruppel DavidSVP & GM Transportation Bus.
GrantCommon Stock 5 $323.58 $1,617.90
Disclosure

SEC source: 0002055015-26-000005 · wk-form4_1773088860.xml · nonDerivative · entry 1

Ruppel David · CIK 0002055015 · SVP & GM Transportation Bus.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,970

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

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:40 UTC GrantCommon Stock 2 $323.58 $647.16
Disclosure

SEC source: 0001201094-26-000004 · wk-form4_1773088852.xml · nonDerivative · entry 2

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,694

F2 · shares: Represents shares accrued as payment of dividends on unvested restricted stock units.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:40 UTC GrantCommon Stock 7 $323.58 $2,265.06
Disclosure

SEC source: 0001201094-26-000004 · wk-form4_1773088852.xml · nonDerivative · entry 1

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,692

F1 · shares: Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:40 UTC GrantCommon Stock 2 $323.58 $647.16
Disclosure

SEC source: 0001525175-26-000004 · wk-form4_1773088846.xml · nonDerivative · entry 1

GREEN MARIA C · CIK 0001525175 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,721

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

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:40 UTC
Chu MaggieSVP, CHRO
GrantCommon Stock 6 $323.58 $1,941.48
Disclosure

SEC source: 0001872974-26-000004 · wk-form4_1773088840.xml · nonDerivative · entry 1

Chu Maggie · CIK 0001872974 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,725

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

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March 05, 2026 Filed Mar 9, 2026 20:40 UTC
Nayar DeepakSVP & GM Electronics Business
GrantCommon Stock 8 $323.58 $2,588.64
Disclosure

SEC source: 0001526287-26-000004 · wk-form4_1773088834.xml · nonDerivative · entry 1

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,017

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

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March 05, 2026 Filed Mar 9, 2026 20:40 UTC
Hamed Karim WagdySVP & GM Semiconductor Busines
GrantCommon Stock 3 $323.58 $970.74
Disclosure

SEC source: 0002081396-26-000002 · wk-form4_1773088829.xml · nonDerivative · entry 1

Hamed Karim Wagdy · CIK 0002081396 · SVP & GM Semiconductor Busines

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,437

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

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March 04, 2026 Filed Mar 5, 2026 21:57 UTC GrantCommon Stock 72 $0.00 $0.00
Disclosure

SEC source: 0002115144-26-000004 · wk-form4_1772747854.xml · nonDerivative · entry 1

PAEPER HOLLY Beth · CIK 0002115144 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72

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 first anniversary of the date of grant.

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February 24, 2026 Filed Feb 25, 2026 21:47 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,432 $0.00 Strike: $132.08 $0.00
Disclosure

SEC source: 0001614437-26-000002 · wk-form4_1772056048.xml · derivative · entry 5

Cerniglia Kristina A. · CIK 0001614437 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,432 shares

Expires 2027-04-23

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 1,432 shares vested in increments of one third annually beginning on the first anniversary of the April 23, 2020 date of grant.

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February 24, 2026 Filed Feb 25, 2026 21:47 UTC Exercise / conversionStock Option (right to buy) · Derivative 911 $0.00 Strike: $199.24 $0.00
Disclosure

SEC source: 0001614437-26-000002 · wk-form4_1772056048.xml · derivative · entry 4

Cerniglia Kristina A. · CIK 0001614437 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 911 shares

Expires 2026-04-26

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 911 shares vested in increments of one third annually beginning on the first anniversary of the April 26, 2019 date of grant.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.