Brett R. Whitmire
Chief Financial Officer, Diodes Incorporated.
Companies
- Diodes IncorporatedChief financial officer Feb 26, 2019 to now1
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
- Diodes Incorporated DIOD36,100 shares2$3.0M at $84.27May 13, 2026
As of each latest filing. The line shows shares held over time.
Recent filings
- May 13, 2026Sold 16,556 shares at $103.34 of Diodes Incorporated2
- Feb 13, 2026Sold 5,953 shares at $71.22 of Diodes Incorporated3
- Feb 3, 2026Sold 830 shares at $60.85 of Diodes Incorporated4
- Feb 2, 2026Shares withheld for tax 2,806 shares at $60.66 of Diodes Incorporated4
- Feb 1, 2026Granted 22,000 shares of Diodes Incorporated4
- Feb 1, 2026Granted 22,000 shares of Diodes Incorporated4
- Aug 27, 2025Sold 2,000 shares at $55.90 of Diodes Incorporated5
- Feb 24, 2025Shares withheld for tax 748 shares at $54.26 of Diodes Incorporated6
- Feb 4, 2025Sold 830 shares at $56.04 of Diodes Incorporated7
- Feb 3, 2025Granted 8,000 shares of Diodes Incorporated7
- Feb 3, 2025Shares withheld for tax 2,010 shares at $56.45 of Diodes Incorporated7
- Feb 3, 2025Granted 8,000 shares of Diodes Incorporated7
- Aug 29, 2024Sold 1,900 shares at $69.99 of Diodes Incorporated8
- Feb 28, 2024Sold 3,400 shares at $67.30 of Diodes Incorporated9
- Feb 26, 2024Shares withheld for tax 748 shares at $68.45 of Diodes Incorporated10
- Feb 20, 2024Shares withheld for tax 1,063 shares at $67.91 of Diodes Incorporated11
- Feb 14, 2024Shares withheld for tax 5,982 shares at $68.16 of Diodes Incorporated12
- Feb 14, 2024Granted 7,600 shares of Diodes Incorporated12
- Feb 2, 2024Sold 830 shares at $66.81 of Diodes Incorporated13
- Feb 1, 2024Granted 6,100 shares of Diodes Incorporated13
- Feb 1, 2024Shares withheld for tax 1,384 shares at $67.69 of Diodes Incorporated13
- Feb 1, 2024Granted 6,100 shares of Diodes Incorporated13
- May 18, 2023Sold 1,819 shares at $93.23 of Diodes Incorporated14
- Feb 24, 2023Shares withheld for tax 748 shares at $91.47 of Diodes Incorporated15
- Feb 21, 2023Shares withheld for tax 2,244 shares at $88.77 of Diodes Incorporated16
Trade performance
| Date | Stock | Trade | Value | Return since | Vs S&P since | Vs S&P, 1 year |
|---|---|---|---|---|---|---|
| May 13, 2026 | DIOD | Sale | $1.7M | −18.7% | +22.7% | |
| Feb 13, 2026 | DIOD | Sale | $424.0K | +16.6% | −3.4% | |
| Feb 3, 2026 | DIOD | Sale | $50.5K | +41.9% | −30.0% | |
| Aug 27, 2025 | DIOD | Sale | $111.8K | +47.4% | −28.1% | −42.5% |
| Feb 4, 2025 | DIOD | Sale | $46.5K | +45.4% | −17.2% | +10.0% |
| Aug 29, 2024 | DIOD | Sale | $133.0K | +19.0% | +19.2% | +37.3% |
| Feb 28, 2024 | DIOD | Sale | $228.8K | +22.8% | +29.6% | +41.2% |
| Feb 2, 2024 | DIOD | Sale | $55.5K | +22.9% | +33.2% | +37.2% |
| May 18, 2023 | DIOD | Sale | $169.6K | −11.7% | +95.8% | +48.2% |
| Feb 16, 2023 | DIOD | Sale | $189.0K | −11.7% | +100.7% | +49.8% |
| Feb 2, 2023 | DIOD | Sale | $35.6K | −13.2% | +98.4% | +48.0% |
| Nov 16, 2022 | DIOD | Sale | $295.0K | −3.7% | +98.9% | +33.8% |
| Jul 5, 2022 | DIOD | Sale | $36.0K | +35.4% | +66.7% | −30.4% |
| Feb 24, 2021 | DIOD | Sale | $184.6K | +1.6% | +95.4% | −0.5% |
| Feb 22, 2021 | DIOD | Sale | $166.1K | +0.0% | +99.4% | +5.8% |
| Aug 11, 2020 | DIOD | Sale | $80.6K | +59.9% | +72.0% | −41.5% |
| May 18, 2020 | DIOD | Sale | $105.8K | +77.0% | +84.6% | −10.0% |
| Aug 13, 2019 | DIOD | Sale | $79.5K | +119.3% | +44.5% | −25.5% |
Returns are price-only (no dividends), measured from the trade date.
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3SEC EDGARForm 4 filed Feb 17, 2026
- 4SEC EDGARForm 4 filed Feb 4, 2026
- 5SEC EDGARForm 4 filed Aug 28, 2025
- 6SEC EDGARForm 4 filed Feb 26, 2025
- 7SEC EDGARForm 4 filed Feb 5, 2025
- 8SEC EDGARForm 4 filed Sep 3, 2024
- 9SEC EDGARForm 4 filed Feb 29, 2024
- 10SEC EDGARForm 4 filed Feb 27, 2024
- 11SEC EDGARForm 4 filed Feb 22, 2024
- 12SEC EDGARForm 4 filed Feb 15, 2024
- 13SEC EDGARForm 4 filed Feb 5, 2024
- 14SEC EDGARForm 4 filed May 19, 2023
- 15SEC EDGARForm 4 filed Feb 28, 2023
- 16SEC EDGARForm 4 filed Feb 23, 2023