DIOD Diodes (DIOD) Insider Trading, Ownership & Congress Trades
Semiconductors & Electronics · Semiconductors & related devices · CIK 0000029002
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
225
13F, latest reported quarter
What the filings say about DIOD
Insiders, 180 days
-$7.6M net sold
7 sellers · 0% of sales under a 10b5-1 plan
Diodes insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, DIODES INC /DEL/ insiders sold a net $7.6M of stock across 217 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
Context
- 12 earlier Form 4 trades (code P or S) here by this insider (1 buy, 11 sales), the last on May 27, 2026.
- The trade is 21.5% of the 71,438 shares held after it.
- 6 other insiders sold within 30 days.
- 225 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Technology Officer Tang Francis sold about $1.7M of DIOD on May 29, 2026; 6 other insiders sold within 30 days and 225 funds added in the latest 13F quarter.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on May 30, 2023.
- The trade is 24.8% of the 8,071 shares held after it.
- 6 other insiders sold within 30 days.
- 225 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Corporate Secretary White Richard Dallas sold about $214.0K of DIOD on May 29, 2026; 6 other insiders sold within 30 days and 225 funds added in the latest 13F quarter.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on May 30, 2023.
- The trade is 9.9% of the 10,071 shares held after it.
- 6 other insiders sold within 30 days.
- 225 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Corporate Secretary White Richard Dallas sold about $104.5K of DIOD on May 29, 2026; 6 other insiders sold within 30 days and 225 funds added in the latest 13F quarter.Context
- 32 earlier Form 4 trades (code P or S) here by this insider (32 sales), the last on May 26, 2026.
- The trade is 4.8% of the 61,878 shares held after it.
- 6 other insiders sold within 30 days.
- 225 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: SVP Worldwide Sales/Marketing Yang Emily sold about $330.2K of DIOD on May 27, 2026; 6 other insiders sold within 30 days and 225 funds added in the latest 13F quarter.Context
- 11 earlier Form 4 trades (code P or S) here by this insider (1 buy, 10 sales), the last on May 26, 2026.
- The trade is 5.8% of the 86,768 shares held after it.
- 6 other insiders sold within 30 days.
- 225 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Technology Officer Tang Francis sold about $550.4K of DIOD on May 27, 2026; 6 other insiders sold within 30 days and 225 funds added in the latest 13F quarter.217 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.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net -$7.6M over 180 days
below 57% of Semiconductors & Electronics
Congress
no House purchase disclosed in the last 12 months
Funds
225 funds bought in last quarter
more than 66% of Semiconductors & Electronics
Revenue
+13.0% year over year
more than 54% of Semiconductors & Electronics
Margin
4.5% net margin
more than 62% of Semiconductors & Electronics
Buybacks
$10.2M repurchased, FY to 2026-06-30
below 71% of Semiconductors & Electronics
Short interest
5.6% of the float short (float per yahoo 2026-10-26) · 4.9 days to cover · settled 2026-09-30
more than 58% of Semiconductors & Electronics
What changed in the last 30 days
Oct 28Insider selling stopped: no sales in 90 days after 16 in the prior 90
Why it matters
The absence is the signal: 16 sales in one 90-day window and none in the next is a change of behaviour, not a filing.
Watch DIOD
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.
+43.6%12M
Insider sell
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns DIOD: institutional holders (13F)
13F holdings, latest reported quarter
7,345,758 sh
$803.9M
4,380,124 sh
$479.4M
3,742,338 sh
$409.6M
2,605,247 sh
$285.1M
2,200,506 sh
$240.8M
Congress trades in DIOD
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
DIOD planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
DIOD mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Easterly Snow Small Cap Value Fund
$1.9M position · as of 2026-05-31
4.1%
BLACK OAK EMERGING TECHNOLOGY FUND
$2.1M position · as of 2026-07-31
3.2%
TRIBUTARY SMALL COMPANY FUND
$20.4M position · as of 2026-06-30
3.0%
RIVER OAK DISCOVERY FUND
$545.0K position · as of 2026-07-31
2.9%
TRIBUTARY SMALL/MID CAP FUND
$834.4K position · as of 2026-06-30
2.7%
Oberweis Micro-Cap Fund
$43.7M position · as of 2026-06-30
2.7%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Executive pay vs shareholder return
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
2024
$4.8M
-$506.4K
$2.0M
+9%
+70%
2023
$9.5M
$13.3M
$2.0M
+14%
+3%
2022
$9.0M
-$2.2M
$2.5M
+35%
+29%
2021
$8.1M
$30.7M
$2.2M
+95%
+102%
2020
$7.9M
$21.6M
$2.1M
+25%
+46%
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 $7.6M sold by insiders over 180 days, 225 funds added last quarter. Each figure is a federal filing, dated the day it went public.
DIOD financials
Revenue growth
+13.0%
XBRL, annual
Net margin
4.5%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$1.6B
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM DIOD
| FY Dec 2025 | $1.5B |
| FY Dec 2024 | $1.3B |
| FY Dec 2023 | $1.7B |
| FY Dec 2022 | $2.0B |
| FY Dec 2021 | $1.8B |
| Jun 2026 | $445.5M |
| Mar 2026 | $405.5M |
| Dec 2025 | $391.6M |
| Sep 2025 | $392.2M |
| Jun 2025 | $366.2M |
| Mar 2025 | $332.1M |
| Dec 2024 | $339.3M |
| Sep 2024 | $350.1M |
At each fiscal year end
Single quarter
Net margin, TTM
+5.3%
net income over revenue, 2025-07-01 to 2026-06-30
Net margin, TTM DIOD
| FY Dec 2025 | +4.5% |
| FY Dec 2024 | +3.4% |
| FY Dec 2023 | +13.7% |
| FY Dec 2022 | +16.6% |
| FY Dec 2021 | +12.7% |
| Jun 2026 | +10.5% |
| Mar 2026 | +3.7% |
| Dec 2025 | +2.6% |
| Sep 2025 | +3.6% |
| Jun 2025 | +12.6% |
| Mar 2025 | -1.3% |
| Dec 2024 | +2.4% |
| Sep 2024 | +3.9% |
At each fiscal year end
Single quarter
Free cash flow, TTM
$142.5M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM DIOD
| FY Dec 2025 | $137.2M |
| FY Dec 2024 | $46.4M |
| FY Dec 2023 | $130.1M |
| FY Dec 2022 | $180.8M |
| FY Dec 2021 | $197.3M |
| Jun 2026 | $34.8M |
| Mar 2026 | $32.4M |
| Dec 2025 | $12.4M |
| Sep 2025 | $62.8M |
| Jun 2025 | $21.1M |
| Mar 2025 | $40.8M |
| Dec 2024 | $62.1M |
| Sep 2024 | $39.4M |
At each fiscal year end
Single quarter
Debt to equity
0.01x
LongTermDebt as filed 2026-06-30 (includes the current portion); equity 2026-06-30
Debt to equity DIOD
| FY Dec 2025 | 0.01x |
| FY Dec 2024 | 0.01x |
| FY Dec 2023 | 0.01x |
| FY Dec 2022 | 0.10x |
| FY Dec 2021 | 0.23x |
| Jun 2026 | 0.01x |
| Mar 2026 | 0.01x |
| Dec 2025 | 0.01x |
| Sep 2025 | 0.01x |
| Jun 2025 | 0.01x |
| Mar 2025 | 0.01x |
| Dec 2024 | 0.01x |
| Sep 2024 | 0.01x |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
11.41x
TTM operating cash flow over LongTermDebt as filed 2026-06-30 (includes the current portion)
Cash flow to debt DIOD
| FY Dec 2025 | 8.40x |
| FY Dec 2024 | 5.78x |
| FY Dec 2023 | 13.13x |
| FY Dec 2022 | 2.61x |
| FY Dec 2021 | 1.19x |
| Jun 2026 | 11.41x |
| Mar 2026 | 8.80x |
| Dec 2025 | 8.40x |
| Sep 2025 | 10.43x |
| Jun 2025 | 8.88x |
| Mar 2025 | 10.10x |
| Dec 2024 | 5.78x |
| Sep 2024 | 3.43x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
+4.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity DIOD
| FY Dec 2025 | +3.6% |
| FY Dec 2024 | +2.5% |
| FY Dec 2023 | +14.0% |
| FY Dec 2022 | +24.1% |
| FY Dec 2021 | +20.8% |
| Jun 2026 | +4.5% |
| Mar 2026 | +4.6% |
| Dec 2025 | +3.6% |
| Sep 2025 | +3.5% |
| Jun 2025 | +3.5% |
| Mar 2025 | +1.4% |
| Dec 2024 | +2.5% |
| Sep 2024 | +3.5% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
+3.4%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets DIOD
| FY Dec 2025 | +2.7% |
| FY Dec 2024 | +1.9% |
| FY Dec 2023 | +9.8% |
| FY Dec 2022 | +14.8% |
| FY Dec 2021 | +11.0% |
| Jun 2026 | +3.4% |
| Mar 2026 | +3.5% |
| Dec 2025 | +2.7% |
| Sep 2025 | +2.6% |
| Jun 2025 | +2.6% |
| Mar 2025 | +1.1% |
| Dec 2024 | +1.9% |
| Sep 2024 | +2.6% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
+4.3%
operating income after a 14.5% effective tax rate, over LongTermDebt as filed 2026-06-30 (includes the current portion) plus average of 2025-06-30 and 2026-06-30 minus cash
Return on invested capital DIOD
| FY Dec 2025 | +1.9% |
| FY Dec 2024 | +2.8% |
| FY Dec 2023 | +15.7% |
| FY Dec 2022 | +29.8% |
| FY Dec 2021 | +19.3% |
| Jun 2026 | +4.3% |
| Mar 2026 | +3.0% |
| Dec 2025 | +1.9% |
| Sep 2025 | +1.8% |
| Jun 2025 | +2.3% |
| Mar 2025 | +2.1% |
| Dec 2024 | +2.8% |
| Sep 2024 | +3.4% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
+3.7%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed DIOD
| FY Dec 2025 | +1.7% |
| FY Dec 2024 | +2.5% |
| FY Dec 2023 | +13.1% |
| FY Dec 2022 | +22.8% |
| FY Dec 2021 | +17.3% |
| Jun 2026 | +3.7% |
| Mar 2026 | +2.6% |
| Dec 2025 | +1.7% |
| Sep 2025 | +1.7% |
| Jun 2025 | +2.2% |
| Mar 2025 | +2.0% |
| Dec 2024 | +2.5% |
| Sep 2024 | +3.0% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
44.67x
close 2026-10-26 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
P/E, trailing DIOD
| FY Dec 2025 | 34.50x |
| FY Dec 2024 | 64.92x |
| FY Dec 2023 | 16.40x |
| FY Dec 2022 | 10.56x |
| FY Dec 2021 | 21.96x |
| Jun 2026 | 58.84x |
| Mar 2026 | 36.90x |
| Dec 2025 | 34.50x |
| Sep 2025 | 38.56x |
| Jun 2025 | 38.61x |
| Mar 2025 | 78.49x |
| Dec 2024 | 64.92x |
| Sep 2024 | 48.55x |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$3.4B
market value at close 2026-10-26 on 2026-07-30 shares, plus LongTermDebt as filed 2026-06-30 (includes the current portion), minus cash 2026-06-30
Enterprise value DIOD
| FY Dec 2025 | $1.9B |
| FY Dec 2024 | $2.6B |
| FY Dec 2023 | $3.4B |
| FY Dec 2022 | $3.3B |
| FY Dec 2021 | $4.9B |
| Jun 2026 | $4.6B |
| Mar 2026 | $2.8B |
| Dec 2025 | $1.9B |
| Sep 2025 | $2.1B |
| Jun 2025 | $2.2B |
| Mar 2025 | $1.7B |
| Dec 2024 | $2.6B |
| Sep 2024 | $2.7B |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
+3.7%
TTM free cash flow over market value at close 2026-10-26
FCF yield DIOD
| FY Dec 2025 | +6.0% |
| FY Dec 2024 | +1.6% |
| FY Dec 2023 | +3.5% |
| FY Dec 2022 | +5.2% |
| FY Dec 2021 | +4.0% |
| Jun 2026 | +2.8% |
| Mar 2026 | +4.1% |
| Dec 2025 | +6.0% |
| Sep 2025 | +7.6% |
| Jun 2025 | +6.7% |
| Mar 2025 | +6.9% |
| Dec 2024 | +1.6% |
| Sep 2024 | -0.2% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
1.25x
P/E over trailing EPS growth of 36%: four quarters to 2026-06-30 against the four to 2025-06-30
PEG, trailing DIOD
| FY Dec 2025 | 0.68x |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | 0.24x |
| FY Dec 2021 | 0.13x |
| Jun 2026 | 1.65x |
| Mar 2026 | 0.16x |
| Dec 2025 | 0.68x |
| Sep 2025 | 8.48x |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
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.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Revenue | $1.5B | $1.3B | $1.7B | $2.0B |
| Gross profit | $462.4M | $435.9M | $658.2M | $827.2M |
| Operating income | $35.5M | $50.5M | $250.6M | $408.2M |
| Net income | $66.1M | $44.0M | $227.2M | $331.3M |
| EPS (diluted) | 1.43 | 0.95 | 4.91 | 7.20 |
| Operating cash flow | $215.5M | $119.4M | $280.9M | $392.5M |
| Cash | $367.2M | $308.7M | $315.5M | $336.7M |
| Long-term debt | $25.7M | $20.7M | $21.4M | $150.3M |
| Buybacks | $33.8M | $0 | $0 | $0 |
SEC XBRL, fiscal years, as known on 2026-10-28
DIOD Stock Sonar score 6/7 axes
Find similar shapesCompareDIOD ranks highest on financial health (87th percentile) and risk and compliance (74th), and lowest on insider conviction (21st), among Semiconductors & Electronics peers.
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
DIOD filings, in plain words
Are Diodes insiders buying or selling DIOD?
In the 180 days to 2026-10-28, Diodes insiders were net sellers, a net $7.6M across purchases and sales reported on Form 4, by 7 sellers.
Read the full summary
In the 180 days to 2026-10-28, Diodes insiders were net sellers of DIOD, a net $7.6M across purchases and sales reported on Form 4 by 7 sellers. None of the 16 insider sales was flagged as made under a Rule 10b5-1 plan. 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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