Form 4 for LFUS LITTELFUSE INC /DE
Accepted 2026-05-21 17:07:34 ET · period of report 2026-05-20 · accession 0001872974-26-000011 · 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 | 2026-05-21 17:07 | 2026-05-20 | LFUS | Chu Maggie | SVP, CHRO | M - OptEx | $234.73 | +11.4K | 17.4K | +190% | +$2.68M |
| DM | 2026-05-21 17:07 | 2026-05-20 | LFUS | Chu Maggie | SVP, CHRO | S - Sale+OE | $435.48 | -11.4K | 6,001 | -66% | -$4.96M |
| DM | 2026-05-21 17:07 | 2022-04-28+ | LFUS | Chu Maggie | SVP, CHRO | M - OptEx | $0.00 | -11.4K | 1,542 | -88% | $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 | 2026-05-20 | M | A | 4,030 | $231.64 | 10,031 | D | — | — | |
| 2 | Common | Common Stock | 2026-05-20 | M | A | 4,283 | $240.76 | 14,314 | D | — | — | |
| 3 | Common | Common Stock | 2026-05-20 | M | A | 3,084 | $230.39 | 17,398 | D | — | — | |
| 4 | Common | Common Stock | 2026-05-20 | S | D | 8,926 | $435.22 | 8,472 | D | — | — | (F1) The shares were sold in multiple transactions at prices ranging from $435.00 to $435.94, 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. |
| 5 | Common | Common Stock | 2026-05-20 | S | D | 2,408 | $436.38 | 6,064 | D | — | — | (F2) The shares were sold in multiple transactions at prices ranging from $436.02 to $436.93, 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. |
| 6 | Common | Common Stock | 2026-05-20 | S | D | 63 | $437.37 | 6,001 | D | — | — | (F3) The shares were sold in multiple transactions at prices ranging from $437.02 to $437.72, 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. |
| 7 | Derivative | Stock Option (right to buy) | 2022-04-28 | M | D | 4,030 | $0.00 | 0 | D | $231.64 · — to 2029-04-28 | 4,030 Common Stock | (F4) The option for 4,030 shares vested in increments of one third annually beginning on the first anniversary of the April 28, 2022 date of grant. |
| 8 | Derivative | Stock Option (right to buy) | 2023-04-27 | M | D | 4,283 | $0.00 | 0 | D | $240.76 · — to 2030-04-27 | 4,283 Common Stock | (F5) The option for 4,283 shares vested in increments of one third annually beginning on the first anniversary of the April 27, 2023 date of grant. |
| 9 | Derivative | Stock Option (right to buy) | 2024-04-25 | M | D | 3,084 | $0.00 | 1,542 | D | $230.39 · — to 2031-04-25 | 3,084 Common Stock | (F6) The option for 4,626 shares vested in increments of one third annually beginning on the first anniversary of the April 25, 2024 date of grant. |