DIOD
DIODES INC /DEL/
Semiconductors & Related DevicesNasdaqLarge accelerated filer
Total Trades
90
Buys
1
Sells
74
Largest Trade
N/A
Insiders
12
Institutional Funds
251
Inst. Value
$1M+
Activist Filings
15
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Yang Emily | SVP Worldwide Sale… | SELL | $100K–$500K | 2K | $69.89 | Feb 26, 2026 |
| Yu Gary | President and CEO | SELL | $100K–$500K | 2K | $70.00 | Feb 26, 2026 |
| LU KEH SHEW | Director | SELL | $1M+ | 111K | $67.76 | Feb 24, 2026 |
| Whitmire Brett R | CFO | SELL | $100K–$500K | 6K | $71.22 | Feb 17, 2026 |
| Yang Emily | SVP Worldwide Sale… | SELL | $50K–$100K | 1K | $71.89 | Feb 17, 2026 |
| Tsong Andy | SVP Worldwide Prod… | SELL | $100K–$500K | 3K | $70.46 | Feb 17, 2026 |
| Zhao Jin | President | SELL | $15K–$50K | 525 | $59.19 | Feb 4, 2026 |
| Zhao Jin | President | GRANT | N/A | 36K | — | Feb 4, 2026 |
| Yu Gary | President and CEO | SELL | $100K–$500K | 3K | $60.85 | Feb 4, 2026 |
| Yu Gary | President and CEO | GRANT | N/A | 64K | — | Feb 4, 2026 |
| Yang Emily | SVP Worldwide Sale… | GRANT | N/A | 36K | — | Feb 4, 2026 |
| Yang Emily | SVP Worldwide Sale… | SELL | $50K–$100K | 950 | $60.85 | Feb 4, 2026 |
| Whitmire Brett R | CFO | SELL | $50K–$100K | 830 | $60.85 | Feb 4, 2026 |
| Whitmire Brett R | CFO | GRANT | N/A | 44K | — | Feb 4, 2026 |
| LU KEH SHEW | Director | SELL | $100K–$500K | 6K | $47.42 | Nov 13, 2025 |
| Yang Emily | SVP Worldwide Sale… | SELL | $50K–$100K | 1K | $56.36 | Aug 28, 2025 |
| Whitmire Brett R | CFO | SELL | $100K–$500K | 2K | $55.90 | Aug 28, 2025 |
| Yang Emily | SVP Worldwide Sale… | SELL | $50K–$100K | 1K | $70.48 | Sep 3, 2024 |
| Whitmire Brett R | CFO | SELL | $100K–$500K | 2K | $69.99 | Sep 3, 2024 |
| Yang Emily | SVP Worldwide Sale… | SELL | $50K–$100K | 1K | $72.16 | Aug 27, 2024 |
| LU KEH SHEW | CEO | SELL | $1M+ | 20K | $67.25 | Aug 21, 2024 |
| Menard Peter M | Insider | SELL | $15K–$50K | 630 | $71.96 | May 30, 2024 |
| LU KEH SHEW | CEO | SELL | $1M+ | 15K | $75.30 | May 24, 2024 |
| LU KEH SHEW | CEO | SELL | $100K–$500K | 3K | $68.14 | Mar 1, 2024 |
| Whitmire Brett R | CFO | SELL | $100K–$500K | 3K | $67.30 | Feb 29, 2024 |
| LU KEH SHEW | CEO | SELL | $1M+ | 15K | $68.88 | Feb 27, 2024 |
| LU KEH SHEW | CEO | SELL | $500K+ | 9K | $68.71 | Feb 22, 2024 |
| Yu Gary | President | SELL | $100K–$500K | 3K | $66.81 | Feb 5, 2024 |
| Yu Gary | President | GRANT | N/A | 44K | — | Feb 5, 2024 |
| Yang Emily | SVP Worldwide Sale… | SELL | $50K–$100K | 950 | $66.81 | Feb 5, 2024 |
| Yang Emily | SVP Worldwide Sale… | GRANT | N/A | 12K | — | Feb 5, 2024 |
| Whitmire Brett R | CFO | SELL | $50K–$100K | 830 | $66.81 | Feb 5, 2024 |
| Whitmire Brett R | CFO | GRANT | N/A | 12K | — | Feb 5, 2024 |
| Holland Julie | Insider | SELL | $100K–$500K | 2K | $66.81 | Feb 5, 2024 |
| Yu Gary | COO | SELL | $100K–$500K | 3K | $80.96 | Aug 31, 2023 |
| Yu Gary | COO | SELL | $100K–$500K | 3K | $82.62 | Aug 25, 2023 |
| Tsong Andy | President | SELL | $100K–$500K | 2K | $82.50 | Aug 23, 2023 |
| Menard Peter M | Director | SELL | $50K–$100K | 630 | $96.37 | Jun 5, 2023 |
| Yang Emily | SVP Worldwide Sale… | SELL | $100K–$500K | 4K | $96.56 | May 31, 2023 |
| White Richard Dallas | Corporate Secretary | SELL | $100K–$500K | 2K | $96.37 | May 31, 2023 |
| LU KEH SHEW | President & CEO | SELL | $100K–$500K | 3K | $97.00 | May 31, 2023 |
| LU KEH SHEW | President & CEO | SELL | $100K–$500K | 3K | $96.40 | May 26, 2023 |
| LU KEH SHEW | President & CEO | GRANT | N/A | 6K | — | May 26, 2023 |
| Yu Gary | COO | SELL | $50K–$100K | 1K | $96.50 | May 26, 2023 |
| Zhao Jin | SVP | SELL | $100K–$500K | 1K | $94.88 | May 26, 2023 |
| Yu Gary | COO | SELL | $50K–$100K | 1K | $95.07 | May 24, 2023 |
| LU KEH SHEW | President & CEO | SELL | $100K–$500K | 4K | $95.74 | May 24, 2023 |
| Yang Emily | SVP Worldwide Sale… | SELL | $100K–$500K | 3K | $94.27 | May 19, 2023 |
| LU KEH SHEW | President & CEO | SELL | $1M+ | 40K | $94.18 | May 19, 2023 |
| Whitmire Brett R | CFO | SELL | $100K–$500K | 2K | $93.23 | May 19, 2023 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 251 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 2.4M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 2.3M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $1M+ | SH |
| EARNEST PARTNERS LLC | 1.0M | $1M+ | SH |
| Global Alpha Capital Management Ltd. | 855K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 797K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 614K | $1M+ | SH |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 592K | $1M+ | SH |
| VICTORY CAPITAL MANAGEMENT INC | 510K | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 472K | $1M+ | SH |
| Tributary Capital Management, LLC | 346K | $1M+ | SH |
| MORGAN STANLEY | 328K | $1M+ | SH |
| VANGUARD GROUP INC | 296K | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 229K | $1M+ | SH |
| LAZARD ASSET MANAGEMENT LLC | 202K | $1M+ | SH |
| KENNEDY CAPITAL MANAGEMENT LLC | 174K | $1M+ | SH |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 161K | $1M+ | SH |
| Allianz Asset Management GmbH | 156K | $1M+ | SH |
| Pacer Advisors, Inc. | 147K | $1M+ | SH |
| ENVESTNET ASSET MANAGEMENT INC | 142K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 5, 2026
13.6%
6.3M shares
SC 13G · Nov 10, 2025
5.3%
2.5M shares
SC 13G · Apr 15, 2025
5.1%
2.4M shares
SC 13G/A · Nov 12, 2024
12.5%
5.8M shares
SC 13G/A · Sep 10, 2024
4.6%
2.1M shares
SC 13G · Jul 10, 2024
10.5%
4.8M shares
SC 13G/A · Mar 11, 2024
5.3%
2.5M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
12.3%
5.7M shares
SC 13G/A · Jan 22, 2024
15.8%
7.2M shares
SC 13G/A · Jun 12, 2023
5.0%
2.3M shares
SC 13G · Feb 14, 2023
5.7%
2.6M shares
SC 13G/A · Jan 26, 2023
15.6%
7.1M shares
SC 13G/A · Jan 20, 2023
15.6%
7.1M shares
SC 13G/A · Jan 27, 2022
15.4%
6.9M shares
SC 13G/A · Jan 25, 2022
15.4%
6.9M shares