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LFUS · Littelfuse Inc /De
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LFUS Littelfuse (LFUS) Insider Trading, Ownership & Congress Trades

Industrials · Switchgear & switchboard apparatus · CIK 0000889331
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
303
13F, latest reported quarter
Conversions, 180 days
11
Codes C/M, not in net · $6.5M priced

What the filings say about LFUS

Insiders, 180 days
-$15.8M net sold
7 sellers · 0% of sales under a 10b5-1 plan
Congress, 1 year
No trades
Last one: sale, 2025-05-12

Littelfuse insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, LITTELFUSE INC /DE insiders sold a net $15.8M of stock across 242 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
SVP & Chief Accounting Officer
SELL
2026-06-18 SEC
247
$119.4K
-25.6%
Context
  • 13 earlier Form 4 trades (code P or S) here by this insider (13 sales), the last on Feb 6, 2026.
  • The trade is 3.7% of the 6,766 shares held after it.
  • 4 other insiders sold within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: SVP & Chief Accounting Officer Gorski Jeffrey G sold about $119.4K of LFUS on Jun 18, 2026; 4 other insiders sold within 30 days and 303 funds added in the latest 13F quarter.
SVP & Chief Accounting Officer
SELL
2026-06-18 SEC
1,142
$550.8K
-25.6%
Context
  • 13 earlier Form 4 trades (code P or S) here by this insider (13 sales), the last on Feb 6, 2026.
  • The trade is 20.3% of the 5,624 shares held after it.
  • 4 other insiders sold within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: SVP & Chief Accounting Officer Gorski Jeffrey G sold about $550.8K of LFUS on Jun 18, 2026; 4 other insiders sold within 30 days and 303 funds added in the latest 13F quarter.
SELL
2026-06-16 SECtraded 2026-06-15
1,432
$687.4K
-22.0%
Context
  • 14 earlier Form 4 trades (code P or S) here by this insider (14 sales), the last on Jun 3, 2026.
  • The trade is 5.4% of the 26,683 shares held after it.
  • 6 other insiders sold within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director HUNTER GORDON sold about $687.4K of LFUS on Jun 15, 2026; 6 other insiders sold within 30 days and 303 funds added in the latest 13F quarter.
SELL
2026-06-11 SEC
256
$115.4K
-22.9%
Context
  • 7 earlier Form 4 trades (code P or S) here by this insider (4 buys, 3 sales), the last on Feb 10, 2026.
  • The trade is 0.4% of the 67,637 shares held after it.
  • 6 other insiders sold within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director GRILLO ANTHONY sold about $115.4K of LFUS on Jun 11, 2026; 6 other insiders sold within 30 days and 303 funds added in the latest 13F quarter.
SELL
2026-06-11 SEC
35
$15.7K
-22.9%
Context
  • 7 earlier Form 4 trades (code P or S) here by this insider (4 buys, 3 sales), the last on Feb 10, 2026.
  • The trade is 0.1% of the 67,893 shares held after it.
  • 6 other insiders sold within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director GRILLO ANTHONY sold about $15.7K of LFUS on Jun 11, 2026; 6 other insiders sold within 30 days and 303 funds added in the latest 13F quarter.
242 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Showing the latest few. to see 237 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$15.8M over 180 days
below 82% of Industrials
Congress
no House purchase disclosed in the last 12 months
Funds
303 funds bought in last quarter
more than 73% of Industrials
Revenue
+8.9% year over year
more than 65% of Industrials
Margin
-3.0% net margin
below 74% of Industrials
Buybacks
$27.6M repurchased, FY to 2025-12-27
below 59% of Industrials
Short interest
5.3% of the float short (float per yahoo 2026-10-27) · 7.1 days to cover · settled 2026-10-15
more than 73% of Industrials
What changed in the last 30 days
Oct 28Insider selling stopped: no sales in 90 days after 18 in the prior 90
Why it matters
The absence is the signal: 18 sales in one 90-day window and none in the next is a change of behaviour, not a filing.

Watch LFUS

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+36.1%12M
-12%+19%+51%+83%2025-102025-122026-022026-042026-062026-082026-10 2026-02-02 · Stafford Ryan K sold $5.2M2026-06-02 · Kim Peter Sung-Jip sold $4.9M2026-05-20 · Chu Maggie sold $3.9M2026-02-10 · GRILLO ANTHONY sold $1.6M2026-02-02 · Nayar Deepak sold $1.2M2025-12-05 · Nayar Deepak sold $1.2M2026-06-11 · GRILLO ANTHONY sold $1.1M2026-05-20 · Chu Maggie sold $1.1M2026-05-18 · Nayar Deepak sold $1.0M2026-05-18 · Nayar Deepak sold $1.0M2026-02-24 · Cerniglia Kristina A. sold $863.1K2026-02-06 · Gorski Jeffrey G sold $846.5K2025-12-04 · Nayar Deepak sold $786.7K2026-02-02 · Nayar Deepak sold $775.6K2026-06-15 · HUNTER GORDON sold $687.4K2026-02-02 · Kim Peter Sung-Jip sold $683.4K2026-02-04 · Chu Maggie sold $673.3K2025-11-26 · Nayar Deepak sold $596.1K2026-02-02 · Kim Peter Sung-Jip sold $583.3K2025-12-11 · Stafford Ryan K sold $580.1K2026-05-18 · Nayar Deepak sold $576.8K2026-06-18 · Gorski Jeffrey G sold $550.8K2025-12-11 · Kim Peter Sung-Jip sold $547.9K2026-02-02 · Nayar Deepak sold $516.8K2026-02-02 · Kim Peter Sung-Jip sold $497.3K2026-02-05 · Gorski Jeffrey G sold $385.1K2026-02-02 · Ruppel David sold $357.0K2026-02-05 · Gorski Jeffrey G sold $341.0K2026-06-03 · HUNTER GORDON sold $294.5K2026-02-05 · Gorski Jeffrey G sold $247.9K2026-05-18 · Ruppel David sold $225.3K2026-02-20 · HUNTER GORDON sold $217.3K2026-02-02 · Nayar Deepak sold $207.7K2026-02-02 · Stafford Ryan K sold $203.4K2026-04-28 · Chu Maggie sold $195.5K2026-02-05 · Gorski Jeffrey G sold $182.1K2026-02-10 · GRILLO ANTHONY sold $135.5K2026-04-28 · Chu Maggie sold $124.4K2026-02-02 · Ruppel David sold $123.1K2026-06-18 · Gorski Jeffrey G sold $119.4K2026-06-11 · GRILLO ANTHONY sold $115.4K2026-04-30 · Chu Maggie sold $111.9K2026-07-17 · Gayla Delly filed to sell $472.3K2026-06-18 · Jeffrey Gorski filed to sell $670.2K
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns LFUS: institutional holders (13F)

13F holdings, latest reported quarter
2,523,051 sh
$1.1B
$361.6M

Congress trades in LFUS

STOCK Act disclosures, US House only, filed up to 45 days after the trade
Sold 2025-05-12 · disclosed 41 days later
$15,001 - $50,000
Bought 2025-04-17 · disclosed 21 days later
$15,001 - $50,000
Sold 2025-03-13 · disclosed 29 days later
$15,001 - $50,000

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

LFUS planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Gayla Delly
Filed 2026-07-17
$472.3K
Jeffrey Gorski
Filed 2026-06-18
$670.2K

LFUS mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Bahl & Gaynor Small Cap Dividend ETF
$6.9M position · as of 2026-06-30
4.5%
Janus Henderson Small-Mid Cap Value Fund
$2.6M position · as of 2026-06-30
3.7%
TRIBUTARY SMALL/MID CAP FUND
$1.1M position · as of 2026-06-30
3.6%
FPA Queens Road Small Cap Value Fund
$43.8M position · as of 2026-05-31
3.2%
Lord Abbett Focused Small Cap Value Fund
$3.2M position · as of 2026-07-31
3.2%
Small-Cap Value Series
$12.5M position · as of 2026-05-31
3.2%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · David W. Heinzmann
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2023
$6.6M
$8.7M
$2.0M
+45%
+60%
2022
$6.9M
$1.2M
$2.3M
+18%
+25%
2021
$6.2M
$10.6M
$2.2M
+67%
+51%
2020
$4.1M
$9.6M
$1.7M
+34%
+21%
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $15.8M sold by insiders over 180 days, 303 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Same sector, ranked by filing activity
Sector by SEC SIC code

LFUS financials

Revenue growth
+8.9%
XBRL, annual
Net margin
-3.0%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$2.5B
four quarters, 2025-03-30 to 2026-03-28
Net margin, TTM
-1.6%
net income over revenue, 2025-03-30 to 2026-03-28
Free cash flow, TTM
$389.6M
operating cash flow minus capex, 2025-03-30 to 2026-03-28
Debt to equity
0.25x
long-term 2026-03-28 plus current 2026-03-28; equity 2026-03-28
Cash flow to debt
0.71x
TTM operating cash flow over long-term 2026-03-28 plus current 2026-03-28
Return on equity
-1.6%
TTM net income over average of 2025-03-29 and 2026-03-28
Return on assets
-1.0%
TTM net income over average of 2025-03-29 and 2026-03-28
Return on invested capital
n/a
effective tax rate 199%, not meaningful
Return on capital employed
+2.0%
operating income (EBIT proxy) over average of 2025-03-29 and 2026-03-28 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
$9.4B
market value at close 2026-10-26 on 2026-05-01 shares, plus long-term 2026-03-28 plus current 2026-03-28, minus cash 2026-03-28
FCF yield
+4.2%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$2.4B$2.2B$2.4B$2.5B
Gross profit$906.0M$787.5M$900.2M$1.0B
Operating income$37.5M$158.8M$360.9M$500.8M
Net income-$71.7M$100.2M$259.5M$373.3M
EPS (diluted)-2.894.0010.3414.94
Operating cash flow$433.8M$367.6M$457.4M$419.7M
Cash$563.4M$724.9M$555.5M$562.6M
Long-term debt$706.4M$788.5M$857.9M$866.6M
Buybacks$27.6M$40.9M$0$0
Dividends paid$72.0M$67.1M$62.2M$55.9M
SEC XBRL, fiscal years, as known on 2026-10-28

LFUS Stock Sonar score 6/7 axes

Find similar shapesCompare

LFUS ranks highest on financial health (74th percentile) and institutional and government (73rd), and lowest on insider conviction (9th), among Industrials peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
31
Inputs
  • Return on equity-1.6% · 26 pct, sector of 198
  • Return on assets-1.0% · 33 pct, sector of 224
  • Return on invested capitaleffective tax rate 199%, not meaningful
  • Return on capital employed+2.0% · 34 pct, sector of 195
Financial health
74
Inputs
  • Debt to equity0.25x · 64 pct, sector of 215
  • Cash flow to debt0.71x · 83 pct, sector of 173
Growth
65
Inputs
  • Revenue growth, YoY+8.9% · 65 pct, sector of 255
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
9
Inputs
  • Net Form 4 buying (codes P and S), 180d-$15.8M · 17 pct, sector of 171
  • Insider buyers, 180d0 · 0 pct, sector of 173
Institutional and government
73
Inputs
  • Funds adding, latest quarter303 · 73 pct, sector of 200
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
19
Inputs
  • Short interest, % of float+5.3% · 37 pct, sector of 271
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5y0.42 per $1B · 5 pct, sector of 192
  • New text in Risk Factors, latest 10-K+23.3% · 15 pct, sector of 197
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

LFUS filings, in plain words

Are Littelfuse insiders buying or selling LFUS?

In the 180 days to 2026-10-28, Littelfuse insiders were net sellers, a net $15.8M across purchases and sales reported on Form 4, by 7 sellers.

Have members of Congress traded LFUS?

Yes, but not in the year to 2026-10-28; the latest on record is a sale by Jefferson Shreve dated 2025-05-12.

Read the full summary

In the 180 days to 2026-10-28, Littelfuse insiders were net sellers of LFUS, a net $15.8M across purchases and sales reported on Form 4 by 7 sellers. None of the 18 insider sales was flagged as made under a Rule 10b5-1 plan. Members of Congress have disclosed trades in LFUS, none in the last year; the latest on record is a sale by Jefferson Shreve dated 2025-05-12. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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