T. J. Chung is Director at LITTELFUSE INC /DE (LFUS). They have made 12 open-market trades across 3 companies since 2006, most recently 2026-09-03.
CIK 0001217168
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
1 open-market purchase totalling $21K since 2023, against 11 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| LFUS | SELL | 2025-08-11 | 2025-08-13 | $246.11 | $1.2M | +1.5% | +2.2% | -6.3% |
| AIRG | BUY | 2023-08-18 | 2023-08-21 | $4.25 | $21K | +10.0% | -3.1% | -40.0% |
| LFUS | SELL | 2023-05-08 | 2023-05-09 | $259.19 | $855K | +4.0% | +4.3% | -0.4% |
| LFUS | SELL | 2021-11-08 | 2021-11-09 | $319.47 | $2.2M | -0.4% | -6.9% | -21.3% |
| LFUS | SELL | 2021-11-04 | 2021-11-08 | $313.44 | $772K | +3.6% | -2.5% | -20.1% |
| LFUS | SELL | 2018-08-08 | 2018-08-09 | $227.41 | $273K | +1.0% | +0.1% | -12.8% |
| LFUS | SELL | 2018-02-16 | 2018-02-20 | $207.76 | $2.0M | +1.4% | +1.7% | +4.0% |
| LFUS | SELL | 2017-02-09 | 2017-02-09 | $164.39 | $688K | -0.8% | -3.6% | +0.9% |
| LFUS | SELL | 2016-11-25 | 2016-11-29 | $150.00 | $429K | +4.3% | +2.4% | +9.7% |
| LFUS | SELL | 2016-02-08 | 2016-02-09 | $107.06 | $369K | +4.0% | +7.1% | +2.0% |
| LFUS | SELL · 10b5-1 | 2013-02-14 | 2013-02-15 | $68.00 | $451K | -8.3% | -2.5% | -2.5% |
| BC | SELL | 2007-02-20 | 2007-02-21 | $33.27 | $147K | -13.5% | +0.5% | +0.5% |
| BC | SELL · 10b5-1 | 2006-10-27 | 2006-10-30 | $33.50 | $50K | -13.5% | +0.5% | +0.5% |
| BC | SELL · 10b5-1 | 2006-09-20 | 2006-09-21 | $31.58 | $47K | -13.5% | +0.5% | +0.5% |
| BC | SELL | 2006-02-16 | 2006-02-21 | $40.00 | $1.1M | -13.5% | +0.5% | +0.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.