Form 4 for LFUS LITTELFUSE INC /DE
Accepted 2025-08-13 00:00:00 ET · period of report 2025-08-11 · accession 0000889331-25-000153 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-08-13 | 2025-08-11 | LFUS | CHUNG T J | Dir | M - OptEx | $158.19 | +2,343 | 21.1K | +13% | +$370.6K |
| DM | 2025-08-13 | 2025-08-11 | LFUS | CHUNG T J | Dir | S - Sale+OE | $246.11 | -2,343 | 20.4K | -10% | -$576.6K |
| DM | 2025-08-13 | 2025-08-11 | LFUS | CHUNG T J | Dir | M - OptEx | $0.00 | -2,343 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-08-11 | M | A | 911 | $199.24 | 19,641 | D | — | — | |
| 2 | Common | Common Stock | 2025-08-11 | S | D | 1,664 | $246.46 | 18,730 | D | — | — | (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. |
| 3 | Common | Common Stock | 2025-08-11 | S | D | 679 | $245.24 | 20,394 | D | — | — | (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. |
| 4 | Common | Common Stock | 2025-08-11 | M | A | 1,432 | $132.08 | 21,073 | D | — | — | |
| 5 | Derivative | Stock Option (right to buy) | 2025-08-11 | M | D | 911 | $0.00 | 0 | D | $199.24 · — to 2026-04-26 | 911 Common Stock | (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. |
| 6 | Derivative | Stock Option (right to buy) | 2025-08-11 | M | D | 1,432 | $0.00 | 0 | D | $132.08 · — to 2027-04-23 | 1,432 Common Stock | (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. |