Key facts
- This page summarizes Chung T. J.'s Form 4 filing for LITTELFUSE INC /DE (LFUS).
- 6 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 13 Aug 2025, 08:02.
Chung T. J. - 11 Aug 2025 Form 4 Insider Report for LITTELFUSE INC /DE (LFUS)
- Reporting relationship
- Director
- Issuer ticker
- LFUS
- Reported as of
- 11 Aug 2025
- Net transaction value
- -$205,981
- SEC form
- 4
- Accepted by SEC
- 13 Aug 2025, 08:02:30 UTC
- Prior SEC filing
- 09 Jun 2025
- Next SEC filing
- 08 Sep 2025
- Source filing
- View source filing
- Reporting owner signature
- Ryan K. Stafford, Power of Attorney
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Chung T. J. filed Form 4 for LITTELFUSE INC /DE (LFUS) on 13 Aug 2025.
Change
- Previous filing in this sequence was filed on 09 Jun 2025.
- Current net transaction value: -$205,981.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001217168
Primary reporting owner
CHUNG T J
- Relationship
- Director
- Address
- 6133 NORTH RIVER ROAD, SUITE 500, ROSEMONT
- Signature
- Ryan K. Stafford, Power of Attorney
- Signature date
- 13 Aug 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
LFUS
transaction
Common Stock
Options Exercise
- Transaction value
- $181,508
- Shares
- +911
- Change %
- +4.9%
- Price
- $199.24
- Shares after
- 19,641
- Date
- 11 Aug 2025
- Ownership
- Direct
LFUS
transaction
Common Stock
Options Exercise
- Transaction value
- $189,139
- Shares
- +1,432
- Change %
- +7.3%
- Price
- $132.08
- Shares after
- 21,073
- Date
- 11 Aug 2025
- Ownership
- Direct
LFUS
transaction
Common Stock
Sale
- Transaction value
- $166,518
- Shares
- -679
- Change %
- -3.2%
- Price
- $245.24
- Shares after
- 20,394
- Date
- 11 Aug 2025
- Ownership
- Direct
- Footnotes
- F3
LFUS
transaction
Common Stock
Sale
- Transaction value
- $410,109
- Shares
- -1,664
- Change %
- -8.2%
- Price
- $246.46
- Shares after
- 18,730
- Date
- 11 Aug 2025
- Ownership
- Direct
- Footnotes
- F4
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
LFUS
transaction
Derivative
Stock Option (right to buy)
Options Exercise
- Transaction value
- $0
- Shares
- -911
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 11 Aug 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 911
- Exercise price
- $199.24
- Footnotes
- F1
LFUS
transaction
Derivative
Stock Option (right to buy)
Options Exercise
- Transaction value
- $0
- Shares
- -1,432
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 11 Aug 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,432
- Exercise price
- $132.08
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
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.
Footnote F2
The option for 1432 shares vested in increments of one third annually beginning on the first anniversary of the April 23, 2020 date of grant.
Footnote F3
The shares were sold in multiple transactions at prices ranging from $244.55 to $245.54, 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.
Footnote F4
The shares were sold in multiple transactions at prices ranging from $245.58 to $246.46, 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.