Diodes Incorporated (DIOD) Insider Trading
Over the last 3 months, DIOD insiders made 0 open-market buys and 16 sales, a net sale of -$7.6M (SEC Form 4). Over the last 6 months, 229 institutions increased and 225 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
16
Net (3m)
-$7.6M
Insider trades by month Buys Sells
Feb
Aug
Nov
Feb
May
Jun
Context3-month price +74.6%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 1, 2026 | White Richard Dallasofficer: Corporate Secretary | Sell | 1,000 | $104.48 |
| Jun 1, 2026 | White Richard Dallasofficer: Corporate Secretary | Sell | 2,000 | $107.01 |
| Jun 1, 2026 | Tang Francisofficer: Chief Technology Officer | Sell | 15,330 | $112.04 |
| May 28, 2026 | LU KEH SHEWother: Special Advisor | Tax | 1,970 | $108.24 |
| May 27, 2026 | Tsong Andyofficer: SVP Worldwide Products Group | Sell | 1,582 | $106.95 |
| May 27, 2026 | Yang Emilyofficer: SVP Worldwide Sales/Marketing | Sell | 3,000 | $110.08 |
| May 27, 2026 | Tang Francisofficer: Chief Technology Officer | Sell | 4,137 | $108.00 |
| May 27, 2026 | Zhao Jinofficer: President, Diodes Asia | Sell | 3,689 | $106.86 |
| May 27, 2026 | Yu Garydirector, officer: President and CEO | Tax | 592 | $108.24 |
| May 27, 2026 | Tang Francisofficer: Chief Technology Officer | Sell | 5,000 | $110.08 |
| May 27, 2026 | Yang Emilyofficer: SVP Worldwide Sales/Marketing | Sell | 2,000 | $107.52 |
| May 27, 2026 | Yu Garydirector, officer: President and CEO | Sell | 3,632 | $110.08 |
| May 21, 2026 | Yang Emilyofficer: SVP Worldwide Sales/Marketing | Sell | 2,000 | $96.81 |
| May 19, 2026 | Yang Emilyofficer: SVP Worldwide Sales/Marketing | Sell | 2,000 | $101.47 |
| May 13, 2026 | Chen Warrendirector | Grant | 3,000 | — |
| May 13, 2026 | Bull Elizabethdirector | Grant | 3,000 | — |
| May 13, 2026 | Yu Garydirector, officer: President and CEO | Grant | 3,000 | — |
| May 13, 2026 | Whitmire Brett Rofficer: CFO | Sell | 16,556 | $103.34 |
| May 13, 2026 | Tang Francisofficer: Chief Technology Officer | Sell | 3,643 | $108.00 |
| May 13, 2026 | RITTER PHILIP Jdirector | Grant | 3,000 | — |
| May 13, 2026 | Tsong Andyofficer: SVP Worldwide Products Group | Sell | 2,652 | $110.00 |
| May 13, 2026 | Zhao Jinofficer: President, Diodes Asia | Sell | 2,760 | $102.36 |
| May 13, 2026 | Su Huey-Jen Jennydirector | Grant | 3,000 | — |
| May 13, 2026 | Chen Button Angiedirector | Grant | 6,000 | — |
| Feb 26, 2026 | Yang Emilyofficer: SVP Worldwide Sales/Marketing | Sell | 2,154 | $69.89 |
| Feb 26, 2026 | Yu Garydirector, officer: President and CEO | Sell | 2,000 | $70.00 |
| Feb 24, 2026 | LU KEH SHEWdirector | Sell | 46,734 | $67.78 |
| Feb 24, 2026 | LU KEH SHEWdirector | Sell | 64,266 | $67.74 |
| Feb 17, 2026 | Tsong Andyofficer: SVP Worldwide Products Group | Sell | 3,277 | $70.46 |
| Feb 17, 2026 | Whitmire Brett Rofficer: CFO | Sell | 5,953 | $71.22 |
Source: DIOD SEC Form 4 filings, latest Jun 1, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their DIOD positions over the last 6 months (SEC Form 13F).
Increased
229
New positions
110
Reduced
225
Sold out
66
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 7.2M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 7.2M | Feb 12, 2026 |
| FMR LLC | Increased | 6.3M | Feb 17, 2026 |
| VANGUARD GROUP INC | Increased | 6.2M | Jan 29, 2026 |
| FMR LLC | Reduced | 5.7M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 3.6M | May 8, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 2.4M | May 7, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 2.4M | Feb 12, 2026 |
| STATE STREET CORP | Reduced | 2.4M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 2.3M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.0M | May 15, 2026 |
| MORGAN STANLEY | Reduced | 1.8M | Feb 13, 2026 |
| MORGAN STANLEY | Reduced | 1.7M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.4M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.4M | Feb 9, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.