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sellModerate cluster of 9

Anthony Grillo sold $1.7M of LFUS

director at LITTELFUSE INC /DE. 5,000 shares at an average of $346.24, traded Feb 10, 2026, filed Feb 11, 2026.

Warning score
40
Value
$1.7M
5,000 shares
Holdings after
69,423
-7% from before
From 52-week low
+135%
low $147.45, close $347.04
From 52-week high
-0%
high $347.66, as of Feb 10, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $1.7M at market
    +25
  • Share of holdings sold
    Sold 6.7% of holdings
    0
  • Cluster
    9 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -8.7%, 3m +34.7%, 6m +28.8%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

LFUSOct 9, 2026 · close 426.50
Since filing Feb 11, 2026: +19.9%SPY +13.3% · excess +6.6%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001070847-26-000002, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 10, 2026SOpen-market sale
Common Stock
-4,570$346.13$1.6M69,853Feb 11, 2026
Feb 10, 2026SOpen-market sale
Common Stock
-390$347.35$135k69,463Feb 11, 2026
Feb 10, 2026SOpen-market sale
Common Stock
-40$348.47$14k69,423Feb 11, 2026
Feb 10, 2026MOption exercise
Common Stock
+911$199.24$182k70,334Feb 11, 2026
Feb 10, 2026MOption exercise
Stock Option (right to buy)derivative
-911$0.00$00Feb 11, 2026

Related signals

Other insiders at LITTELFUSE INC /DE and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
40Moderate
LFUSsell 3
LITTELFUSE INC /DE
Jeffrey G Gorski
SVP & Chief Accounting Officer
$670k
1,389 shares
-20%
36Weak
LFUSsell 4
LITTELFUSE INC /DE
Gordon Hunter
director
$687k
1,432 shares
-5%
55Moderate
LFUSsell 4
LITTELFUSE INC /DE
Anthony Grillo
director
$1.4M
3,000 shares
-4%
24Weak
LFUSsell 410b5-1
LITTELFUSE INC /DE
Gordon Hunter
director
$294k
603 shares
-2%
50Moderate
LFUSsell 4
LITTELFUSE INC /DE
Peter Sung-Jip Kim
SVP & GM Industrial Business
$4.9M
10,171 shares
-49%
60Notable
LFUSsell 5
LITTELFUSE INC /DE
Maggie Chu
SVP, CHRO
$5.0M
11,397 shares
-66%
60Notable
LFUSsell 3
LITTELFUSE INC /DE
Deepak Nayar
SVP & GM Electronics Business
$2.6M
5,911 shares
-55%
43Moderate
LFUSsell 3
LITTELFUSE INC /DE
David Ruppel
SVP & GM Transportation Bus.
$225k
506 shares
-9%
17Weak
LFUSsell10b5-1
LITTELFUSE INC /DE
Maggie Chu
SVP, CHRO
$432k
1,097 shares
-15%
28Weak
LFUSsell 310b5-1
LITTELFUSE INC /DE
Kristina A. Cerniglia
director
$863k
2,343 shares
-36%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Anthony Grillo sold $1.7M of LFUS | InsiderTell