DIODES INC /DEL/ (DIOD)
Data as of , from SEC Form 4 filings.
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Francis Tang - OfficerOpen-market sale$1.72M
Richard Dallas White
About DIODES INC /DEL/ (DIOD)
DIODES INC /DEL/ is an SEC registrant, filing under CIK 0000029002, classified as semiconductors and related devices. We track it alongside the rest of the Information Technology sector.
DIOD Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 1 | 2,250 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
DIOD insider transactions (Form 4)
4143 Form 4 filings on record, the earliest from Nov 22, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Evan Yu - Director | Grant or award | Diodes Incorporated Common Stock | 2,250 | $0.00 footnote F2 | - | |
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| Francis Tang - Officer | Open-market sale | Diodes Incorporated Common Stock | 15,330 | $112.04 footnote F1 | $1.72M | |
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| Richard Dallas White - Officer | Open-market sale | Diodes Incorporated Common Stock | 1,000 | $104.48 | $104K | |
| Richard Dallas White - Officer | Open-market sale | Diodes Incorporated Common Stock | 2,000 | $107.01 | $214K | |
| Keh Shew Lu | Tax withholding / forfeiture | Diodes Incorporated Common Stock | 1,970 | $108.24 | $213K | |
| Jin Zhao - Officer | Open-market sale | Diodes Incorporated Common Stock | 3,689 | $106.86 footnote F1 | $394K | |
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| Andy Tsong - Officer | Open-market sale | Diodes Incorporated Common Stock | 1,582 | $106.96 | $169K | |
| Emily Yang - Officer | Open-market sale | Diodes Incorporated Common Stock | 2,000 | $107.52 | $215K | |
| Emily Yang - Officer | Open-market sale | Diodes Incorporated Common Stock | 3,000 | $110.08 | $330K | |
| Francis Tang - Officer | Open-market sale | Diodes Incorporated Common Stock | 4,137 | $108.00 | $447K | |
| Francis Tang - Officer | Open-market sale | Diodes Incorporated Common Stock | 5,000 | $110.08 | $550K | |
| Gary Yu - Officer | Open-market sale | Diodes Incorporated Common Stock | 3,632 | $110.08 | $400K | |
| Gary Yu - Officer | Tax withholding / forfeiture | Diodes Incorporated Common Stock | 592 | $108.24 | $64K | |
| Gary Yu - Officer | Gift | Diodes Incorporated Common Stock | 300 | $0.00 | - | |
| Emily Yang - Officer | Open-market sale | Diodes Incorporated Common Stock | 2,000 | $96.81 | $194K | |
| Emily Yang - Officer | Open-market sale | Diodes Incorporated Common Stock | 2,000 | $101.47 | $203K | |
| Jin Zhao - Officer | Open-market sale | Diodes Incorporated Common Stock | 2,760 | $102.36 footnote F1 | $283K | |
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| Andy Tsong - Officer | Open-market sale | Diodes Incorporated Common Stock | 2,652 | $110.00 | $292K | |
| Francis Tang - Officer | Open-market sale | Diodes Incorporated Common Stock | 3,643 | $108.00 | $393K | |
| Brett R. Whitmire - Officer | Open-market sale | Diodes Incorporated Common Stock | 16,556 | $103.34 footnote F1 | $1.71M | |
| ||||||
 Button Angie Chen | Grant or award | Diodes Incorporated Common Stock | 6,000 | $0.00 footnote F2 | - | |
| ||||||
| Elizabeth Bull | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 footnote F2 | - | |
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| Warren Chen | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 footnote F2 | - | |
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 Huey-Jen Jenny Su | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 footnote F2 | - | |
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| Gary Yu - Officer | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 footnote F2 | - | |
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| Philip J. Ritter | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 footnote F2 | - | |
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| Emily Yang - Officer | Open-market sale | Diodes Incorporated Common Stock | 2,154 | $69.89 | $151K | |
| Gary Yu - Officer | Open-market sale | Diodes Incorporated Common Stock | 2,000 | $70.00 | $140K | |
| Keh Shew Lu | Open-market sale | Diodes Incorporated Common Stock | 46,734 | $67.78 footnote F1 | $3.17M | |
| Keh Shew Lu | Open-market sale | Diodes Incorporated Common Stock | 64,266 | $67.74 footnote F2 | $4.35M | |
| ||||||
| Brett R. Whitmire - Officer | Open-market sale | Diodes Incorporated Common Stock | 5,953 | $71.22 footnote F1 | $424K | |
| ||||||
| Emily Yang - Officer | Open-market sale | Diodes Incorporated Common Stock | 1,000 | $71.89 footnote F1 | $72K | |
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| Andy Tsong - Officer | Open-market sale | Diodes Incorporated Common Stock | 3,277 | $70.46 footnote F1 | $231K | |
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| Jin Zhao - Officer | Grant or award | Diodes Incorporated Common Stock | 18,000 | $0.00 footnote F2 | - | |
| Jin Zhao - Officer | Tax withholding / forfeiture | Diodes Incorporated Common Stock | 1,846 | $60.66 | $112K | |
| Jin Zhao - Officer | Open-market sale | Diodes Incorporated Common Stock | 525 | $59.19 | $31K | |
| Jin Zhao - Officer | Grant or award | Diodes Incorporated Common Stock - Performance Stock Units | 18,000 footnote F8 | $0.00 | - | |
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| Gary Yu - Officer | Grant or award | Diodes Incorporated Common Stock | 32,000 | $0.00 | - | |
| Gary Yu - Officer | Tax withholding / forfeiture | Diodes Incorporated Common Stock | 1,340 | $60.66 | $81K | |
| Gary Yu - Officer | Open-market sale | Diodes Incorporated Common Stock | 2,900 | $60.85 | $176K | |
| Gary Yu - Officer | Grant or award | Diodes Incorporated Common Stock - Performance Stock Units | 32,000 footnote F7 | $0.00 | - | |
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Item 8.01, 9.01
Item 1.01, 2.03, 3.02, 8.01, 9.01
Item 2.02, 7.01, 9.01
Item 2.02, 7.01, 9.01
Recent DIOD Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - |
DIOD insider trading FAQ
What is the latest insider trade for DIOD?
DIODES INC /DEL/ (DIOD) had 1 insider filing in the last 90 days, with the most recent on 2026-08-13. The full record for DIOD runs to 43 Form 4 filings, the earliest from 2024-11-22. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying DIOD stock?
No insider purchases of DIOD were filed in the last 90 days.
How many insiders are selling DIOD stock?
No insider sales of DIOD were filed in the last 90 days. 32 sales are on record for this company.
Where can I see DIOD SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects DIOD Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Evan Yu view on EDGAR
- - Francis Tang view on EDGAR
- - Richard Dallas White view on EDGAR
- - Keh Shew Lu view on EDGAR
- - Jin Zhao view on EDGAR
- - Andy Tsong view on EDGAR
- - Emily Yang view on EDGAR
- - Francis Tang view on EDGAR
- - Gary Yu view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where DIOD's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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