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sellNotable cluster of 5

Maggie Chu sold $5.0M of LFUS

SVP, CHRO at LITTELFUSE INC /DE. 11,397 shares at an average of $435.48, traded May 20, 2026, filed May 21, 2026.

Warning score
60
Value
$5.0M
11,397 shares
Holdings after
6,001
-66% from before
From 52-week low
+119%
low $200.43, close $439.66
From 52-week high
-8%
high $479.28, as of May 20, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $5.0M at market
    +25
  • Share of holdings sold
    Sold 66% of holdings
    +20
  • Cluster
    5 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.

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 May 21, 2026: -3.7%SPY +5.3% · excess -9.0%

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 0001872974-26-000011, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 20, 2026MOption exercise
Common Stock
+4,030$231.64$934k10,031May 21, 2026
May 20, 2026MOption exercise
Common Stock
+4,283$240.76$1.0M14,314May 21, 2026
May 20, 2026MOption exercise
Common Stock
+3,084$230.39$711k17,398May 21, 2026
May 20, 2026SOpen-market sale
Common Stock
-8,926$435.22$3.9M8,472May 21, 2026
May 20, 2026SOpen-market sale
Common Stock
-2,408$436.38$1.1M6,064May 21, 2026
May 20, 2026SOpen-market sale
Common Stock
-63$437.37$28k6,001May 21, 2026
Apr 28, 2022MOption exercise
Stock Option (right to buy)derivative
-4,030$0.00$00May 21, 2026
Apr 27, 2023MOption exercise
Stock Option (right to buy)derivative
-4,283$0.00$00May 21, 2026
Apr 25, 2024MOption exercise
Stock Option (right to buy)derivative
-3,084$0.00$01,542May 21, 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 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%
30Weak
LFUSsell 3
LITTELFUSE INC /DE
Gordon Hunter
director
$335k
911 shares
-3%

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.

Maggie Chu sold $5.0M of LFUS | InsiderTell