DIODES INC /DEL/
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 |
|---|---|---|---|---|---|---|
| Yu Gary | COO | SELL | $100K–$500K | 3K | $90.81 | May 17, 2023 |
| GIORDANO MICHAEL R | Director | SELL | $500K+ | 10K | $90.00 | Mar 20, 2023 |
| Holland Julie | SVP | SELL | $100K–$500K | 2K | $92.51 | Feb 28, 2023 |
| Zhao Jin | SVP | SELL | $50K–$100K | 760 | $92.89 | Feb 28, 2023 |
| Yang Emily | SVP Worldwide Sale… | SELL | $100K–$500K | 5K | $91.85 | Feb 28, 2023 |
| Holland Julie | SVP | SELL | $500K+ | 8K | $88.71 | Feb 23, 2023 |
| Yang Emily | SVP Worldwide Sale… | SELL | $100K–$500K | 2K | $91.75 | Feb 22, 2023 |
| Yang Emily | SVP Worldwide Sale… | SELL | $50K–$100K | 1K | $95.12 | Feb 16, 2023 |
| Whitmire Brett R | CFO | SELL | $100K–$500K | 2K | $95.02 | Feb 16, 2023 |
| LU KEH SHEW | President & CEO | SELL | $100K–$500K | 5K | $97.00 | Feb 16, 2023 |
| Holland Julie | SVP | GRANT | N/A | 15K | — | Feb 13, 2023 |
| Holland Julie | SVP | SELL | $1M+ | 31K | $92.97 | Feb 13, 2023 |
| LU KEH SHEW | President & CEO | SELL | $100K–$500K | 3K | $96.20 | Feb 9, 2023 |
| LU KEH SHEW | President & CEO | GRANT | N/A | 53K | — | Feb 9, 2023 |
| Yu Gary | SVP, Business Groups | GRANT | N/A | 26K | — | Feb 3, 2023 |
| Yu Gary | SVP, Business Groups | SELL | $100K–$500K | 1K | $93.72 | Feb 3, 2023 |
| Yang Emily | SVP Worldwide Sale… | GRANT | N/A | 18K | — | Feb 3, 2023 |
| Yang Emily | SVP Worldwide Sale… | SELL | $50K–$100K | 950 | $93.72 | Feb 3, 2023 |
| Whitmire Brett R | CFO | GRANT | N/A | 18K | — | Feb 3, 2023 |
| Whitmire Brett R | CFO | SELL | $15K–$50K | 380 | $93.72 | Feb 3, 2023 |
| LU KEH SHEW | President & CEO | GRANT | N/A | 84K | — | Feb 3, 2023 |
| LU KEH SHEW | President & CEO | SELL | $1M+ | 25K | $93.40 | Feb 3, 2023 |
| Holland Julie | SVP | SELL | $100K–$500K | 2K | $93.72 | Feb 3, 2023 |
| Yu Evan | Insider | SELL | $500K+ | 10K | $95.50 | Feb 2, 2023 |
| LU KEH SHEW | President & CEO | SELL | $500K+ | 8K | $91.38 | Dec 1, 2022 |
| LU KEH SHEW | President & CEO | SELL | $100K–$500K | 4K | $89.88 | Nov 28, 2022 |
| LU KEH SHEW | President & CEO | SELL | $500K+ | 6K | $89.50 | Nov 22, 2022 |
| Whitmire Brett R | CFO | SELL | $100K–$500K | 3K | $85.86 | Nov 17, 2022 |
| Yu Evan | SVP | SELL | $500K+ | 7K | $88.50 | Nov 15, 2022 |
| LU KEH SHEW | President & CEO | SELL | $1M+ | 29K | $85.27 | Nov 15, 2022 |
| LU KEH SHEW | President & CEO | SELL | $500K+ | 12K | $82.33 | Nov 14, 2022 |
| LU KEH SHEW | President & CEO | SELL | $100K–$500K | 3K | $83.11 | Aug 18, 2022 |
| Whitmire Brett R | CFO | SELL | $15K–$50K | 600 | $60.00 | Jul 6, 2022 |
| Menard Peter M | Director | SELL | $15K–$50K | 630 | $77.80 | Jun 3, 2022 |
| Tang Francis | SVP | BUY | $100K–$500K | 2K | $70.00 | Apr 18, 2022 |
| Holland Julie | SVP | GRANT | N/A | 6K | — | Feb 28, 2022 |
| Holland Julie | SVP | SELL | $1M+ | 34K | $85.29 | Feb 28, 2022 |
| White Richard Dallas | Corporate Secretary | SELL | $100K–$500K | 5K | $89.39 | Feb 16, 2022 |
| Holland Julie | SVP | SELL | $100K–$500K | 3K | $89.39 | Feb 16, 2022 |
| LU KEH SHEW | President & CEO | SELL | $100K–$500K | 2K | $113.18 | Jan 5, 2022 |
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