WaveMan
WaveMan · Company
SLAB · Silicon Laboratories Inc.
> Search tickers & screens ⌘K
LIVE
← All companies

SLAB Silicon Laboratories (SLAB) Insider Trading, Ownership & Congress Trades

Semiconductors & Electronics · Semiconductors & related devices · CIK 0001038074
Form 144 · 1
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
166
13F, latest reported quarter

What the filings say about SLAB

Insiders, 180 days
-$3.2M net sold
2 sellers · 0% of sales under a 10b5-1 plan
Congress, 1 year
No trades
Last one: sale, 2025-05-06
Planned sales (Form 144), 90 days
$1.4M
1 notice

Silicon Laboratories insider trades (Form 4)

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

Over the last 180 days, SILICON LABORATORIES INC. insiders sold a net $3.2M of stock across 42 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
Sr VP and General Manager
SELL
2026-08-17 SECtraded 2026-08-14
6,581
$1.4M
+1.0%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on May 16, 2025.
  • The trade is 27.6% of the 23,815 shares held after it.
  • No other insider sold within 30 days.
  • 166 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Sr VP and General Manager CONRAD ROBERT J sold about $1.4M of SLAB on Aug 14, 2026; 166 funds added in the latest 13F quarter.
President & CEO
SELL
2026-05-19 SECtraded 2026-05-18
8,024
$1.7M
+2.0%
Context
  • 7 earlier Form 4 trades (code P or S) here by this insider (7 sales), the last on May 16, 2025.
  • The trade is 10.0% of the 80,519 shares held after it.
  • No other insider sold within 30 days.
  • 166 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President & CEO Johnson Robert Matthew sold about $1.7M of SLAB on May 18, 2026, the largest insider sale at the company since 2021; 166 funds added in the latest 13F quarter.
SELL
2026-01-15 SECtraded 2026-01-13
1,355
$201.9K
+48.7%
Context
  • 4 earlier Form 4 trades (code P or S) here by this insider (4 sales), the last on Apr 21, 2023.
  • The trade is 15.9% of the 8,543 shares held after it.
  • No other insider sold within 30 days.
  • 166 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Richardson Nina sold about $201.9K of SLAB on Jan 13, 2026; 166 funds added in the latest 13F quarter.
Sr VP WW Sales & Marketing
SELL
2025-12-08 SECtraded 2025-12-05
1,954
$276.5K
+56.5%
Context
  • 10 earlier Form 4 trades (code P or S) here by this insider (10 sales), the last on Dec 4, 2025.
  • The trade is 3.1% of the 62,381 shares held after it.
  • No other insider sold within 30 days.
  • 166 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Sr VP WW Sales & Marketing Tolany Brandon sold about $276.5K of SLAB on Dec 5, 2025; 166 funds added in the latest 13F quarter.
Sr VP WW Sales & Marketing
SELL
2025-12-08 SECtraded 2025-12-04
4,246
$595.2K
+56.5%
Context
  • 9 earlier Form 4 trades (code P or S) here by this insider (9 sales), the last on Aug 29, 2025.
  • The trade is 6.8% of the 62,381 shares held after it.
  • No other insider sold within 30 days.
  • 166 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Sr VP WW Sales & Marketing Tolany Brandon sold about $595.2K of SLAB on Dec 4, 2025; 166 funds added in the latest 13F quarter.
42 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 37 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 -$3.2M over 180 days
-$1.4M over 90 days
more than 57% of Semiconductors & Electronics
Congress
no House purchase disclosed in the last 12 months
Funds
166 funds bought in last quarter
more than 52% of Semiconductors & Electronics
Revenue
+34.3% year over year
more than 75% of Semiconductors & Electronics
Margin
-8.3% net margin
below 62% of Semiconductors & Electronics
Buybacks
no share repurchases reported
Short interest
7.8% of the float short (float per yahoo 2026-10-26) · 9.4 days to cover · settled 2026-09-30
more than 66% of Semiconductors & Electronics
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch SLAB

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.
+64.5%12M
-14%+13%+39%+66%2025-102025-122026-022026-042026-062026-082026-10 2026-05-18 · Johnson Robert Matthew sold $1.7M2026-08-14 · CONRAD ROBERT J sold $1.4M2025-12-04 · Tolany Brandon sold $595.2K2025-12-05 · Tolany Brandon sold $276.5K2026-01-13 · Richardson Nina sold $201.9K2026-08-14 · CONRAD ROBERT J filed to sell $1.4M
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 SLAB: institutional holders (13F)

13F holdings, latest reported quarter
5,195,073 sh
$1.1B
1,623,721 sh
$354.9M

Congress trades in SLAB

STOCK Act disclosures, US House only, filed up to 45 days after the trade
Sold 2025-05-06 · disclosed 31 days later
$1,001 - $15,000
Sold 2025-04-14 · disclosed 22 days later
$1,001 - $15,000

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

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

SLAB planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
CONRAD ROBERT J
Filed 2026-08-14
$1.4M

SLAB mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
PAPP SMALL & MID-CAP GROWTH FUND
$1.4M position · as of 2026-05-31
3.5%
Dunham Monthly Distribution Fund
$10.0M position · as of 2026-07-31
3.2%
THE ARBITRAGE FUND
$22.7M position · as of 2026-05-31
2.7%
ProShares Merger ETF
$388.6K position · as of 2026-05-31
2.4%
AltShares Merger Arbitrage ETF
$2.4M position · as of 2026-05-31
2.3%
Global X Internet of Things ETF
$5.6M position · as of 2026-05-31
2.2%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · G. Tyson Tuttle
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
2025
$11.3M
$10.4M
$5.2M
+4%
+179%
2024
$7.2M
$5.6M
$2.8M
+0%
+92%
2023
$6.9M
-$8.8M
$2.3M
+4%
+55%
2022
$6.8M
$647.3K
$2.4M
+7%
-7%
2021
$17.0M
$21.0M
$4.4M
+62%
+43%
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
Insiders have filed to sell, before selling.
The record shows a net $3.2M sold by insiders over 180 days, 166 funds added last quarter, $1.4M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Same sector, ranked by filing activity
Sector by SEC SIC code

SLAB financials

Revenue growth
+34.3%
XBRL, annual
Net margin
-8.3%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$855.9M
four quarters, 2025-07-06 to 2026-07-04
Net margin, TTM
-4.6%
net income over revenue, 2025-07-06 to 2026-07-04
Free cash flow, TTM
-$5.4M
operating cash flow minus capex, 2025-07-06 to 2026-07-04
Debt to equity
0.48x
long-term debt only, 2022-12-31 (42 months older than the period end); equity 2026-07-04
Cash flow to debt
0.06x
TTM operating cash flow over long-term debt only, 2022-12-31 (42 months older than the period end)
Return on equity
-3.6%
TTM net income over average of 2025-07-05 and 2026-07-04
Return on assets
-3.2%
TTM net income over average of 2025-07-05 and 2026-07-04
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on capital employed
-3.9%
operating income (EBIT proxy) over average of 2025-07-05 and 2026-07-04 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
$7.5B
market value at close 2026-10-26 on 2026-08-04 shares, plus long-term debt only, 2022-12-31 (42 months older than the period end), minus cash 2026-07-04
FCF yield
-0.1%
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.
2026-012024-122023-122022-12
Revenue$784.8M$584.4M$782.3M$1.0B
Gross profit$457.0M$312.2M$460.6M$642.6M
Operating income-$70.5M-$165.5M-$24.2M$119.3M
Net income-$64.9M-$191.0M-$34.5M$91.4M
EPS (diluted)-1.98-5.93-1.092.54
Operating cash flow$95.7M-$13.9M-$30.3Mn/a
Cash$364.2M$281.6M$227.5M$499.9M
Long-term debtn/an/an/a$529.6M
Buybacks$0$16.0K$217.1M$883.4M
SEC XBRL, fiscal years, as known on 2026-10-28

SLAB Stock Sonar score 6/7 axes

Find similar shapesCompare

SLAB ranks highest on growth (75th percentile) and institutional and government (52nd), and lowest on risk and compliance (27th), among Semiconductors & Electronics peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
39
Inputs
  • Return on equity-3.6% · 39 pct, sector of 154
  • Return on assets-3.2% · 40 pct, sector of 171
  • Return on invested capitalpre-tax loss, no effective tax rate to apply
  • Return on capital employed-3.9% · 37 pct, sector of 155
Financial health
41
Inputs
  • Debt to equity0.48x · 36 pct, sector of 152
  • Cash flow to debt0.06x · 47 pct, sector of 136
Growth
75
Inputs
  • Revenue growth, YoY+34.3% · 75 pct, sector of 194
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
27
Inputs
  • Net Form 4 buying (codes P and S), 180d-$3.2M · 53 pct, sector of 147
  • Insider buyers, 180d0 · 0 pct, sector of 151
Institutional and government
52
Inputs
  • Funds adding, latest quarter166 · 52 pct, sector of 184
  • 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
27
Inputs
  • Short interest, % of float+7.8% · 41 pct, sector of 221
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5ynot measured for this sector, almost no peer has an event
  • New text in Risk Factors, latest 10-K+26.6% · 14 pct, sector of 152
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

SLAB filings, in plain words

Are Silicon Laboratories insiders buying or selling SLAB?

In the 180 days to 2026-10-28, Silicon Laboratories insiders were net sellers, a net $3.2M across purchases and sales reported on Form 4, by 2 sellers.

Have members of Congress traded SLAB?

Yes, but not in the year to 2026-10-28; the latest on record is a sale by Gilbert Cisneros dated 2025-05-06.

Are there planned insider sales of SLAB?

Yes. 1 Form 144 notice of planned insider sales was filed in the 90 days to 2026-10-28, covering $1.4M of stock; the latest, by CONRAD ROBERT J, was filed 2026-08-14.

Read the full summary

In the 180 days to 2026-10-28, Silicon Laboratories insiders were net sellers of SLAB, a net $3.2M across purchases and sales reported on Form 4 by 2 sellers. Members of Congress have disclosed trades in SLAB, none in the last year; the latest on record is a sale by Gilbert Cisneros dated 2025-05-06. Insiders filed 1 Form 144 notice of intent to sell in the 90 days to 2026-10-28, covering $1.4M of stock. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

Explore insider trading and ownership data

Every company we track, ranked by each kind of filing