DIODES INC /DEL/ (DIOD)
$88.00-$2.86 (-3.15%) Today
Francis Tang - Officer
Richard Dallas White - OfficerRichard Dallas White - OfficerFrancis Tang - OfficerDiodes Inc is a manufacturer and supplier of high-quality application-specific products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. It serves the customer electronics, computing, communications, industrial, and automotive markets. The Company's products include diodes; rectifiers; transistors; MOSFETs; GPP bridges; GPP rectifiers; protection devices; function-specific arrays; single gate logic; amplifiers and comparators; Hall-effect and temperature sensors; and power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, voltage references along with special-function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 3 | 18,330 | $2.04M |
| Grant or award | 1 | 2,250 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
43 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 | - | |
| Francis Tang - Officer | Open-market sale | Diodes Incorporated Common Stock | 15,330 | $112.04 | $1.72M | |
| 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 | $394K | |
| 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 | $283K | |
| 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 | $1.71M | |
 Button Angie Chen | Grant or award | Diodes Incorporated Common Stock | 6,000 | $0.00 | - | |
| Elizabeth Bull | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 | - | |
| Warren Chen | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 | - | |
 Huey-Jen Jenny Su | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 | - | |
| Gary Yu - Officer | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 | - | |
| Philip J. Ritter | Grant or award | Diodes Incorporated Common Stock | 3,000 | $0.00 | - | |
| 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 | $3.17M | |
| Keh Shew Lu | Open-market sale | Diodes Incorporated Common Stock | 64,266 | $67.74 | $4.35M | |
| Brett R. Whitmire - Officer | Open-market sale | Diodes Incorporated Common Stock | 5,953 | $71.22 | $424K | |
| Emily Yang - Officer | Open-market sale | Diodes Incorporated Common Stock | 1,000 | $71.89 | $72K | |
| Andy Tsong - Officer | Open-market sale | Diodes Incorporated Common Stock | 3,277 | $70.46 | $231K | |
| Jin Zhao - Officer | Grant or award | Diodes Incorporated Common Stock | 18,000 | $0.00 | - | |
| 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 | $0.00 | - | |
| 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 | $0.00 | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
DIODES INC /DEL/ (DIOD) had 3 insider filings 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 tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of DIOD were filed in the last 90 days.
3 insider sales of DIOD were filed in the last 90 days, totaling $2.04M.
This page tracks DIOD Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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