Quick Takeaways
- LEDS - SemiLEDs Corp has 9 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
Insider Transactions Reported by 9 Insiders of SemiLEDs Corp
- Symbol
- LEDS on Nasdaq
- Location
- Chu Nan, Taiwan, Province of China
What Changed
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 15 Apr 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
SemiLEDs Corp executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Scott R. Simplot | Director, 10%+ Owner | $5,310,715 | Mixed | 28 Feb 2025 | ||
| J.R. Simplot Co | 10%+ Owner | $5,259,195 | Mixed | 28 Feb 2025 | ||
| Simplot Taiwan Inc. | 10%+ Owner | $5,259,195 | Mixed | 28 Feb 2025 | ||
| Trung T. Doan | Chairman and CEO, Director, 10%+ Owner | $2,518,157 | Mixed | 28 Feb 2025 | ||
| Edward Kuan Hsiung Hsieh | Director | $137,141 | Mixed | 27 Nov 2025 | ||
| Walter Michael Gough | Director | $105,134 | Mixed | 27 Nov 2025 | ||
| Hsin-Liang Christopher Lee | Chief Financial Officer | $99,034 | Mixed | 10 Jul 2025 | ||
| Chris Chang Yu | Director | $25,600 | Mixed | 27 Nov 2025 | ||
| Roger Lee | Director | $22,925 | Mixed | 07 Nov 2022 |
Top shareholders of SemiLEDs Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Trung T. Doan |
13D/G
3/4/5
|
Chairman and CEO, Director, 10%+ Owner |
58%
|
4,716,188
|
$10,564,261 | $0 | 28 Feb 2025 | |
| Scott R. Simplot |
3/4/5
|
Director, 10%+ Owner |
—
class O/S missing
|
3,199,226
|
$5,310,715 | — | 28 Feb 2025 | |
| J.R. Simplot Co |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
3,168,190
|
$5,259,195 | — | 28 Feb 2025 | |
| Simplot Taiwan Inc. |
3/4/5
13D/G
|
10%+ Owner |
58%
from 13D/G
|
3,168,190
|
$5,259,195 | — | 28 Feb 2025 | |
| Edward Kuan Hsiung Hsieh |
3/4/5
|
Director |
0.66%
|
53,571
|
$137,141 | — | 27 Nov 2025 | |
| Walter Michael Gough |
3/4/5
|
Director |
0.5%
|
41,068
|
$105,134 | — | 27 Nov 2025 | |
| Hsin-Liang Christopher Lee |
3/4/5
|
Chief Financial Officer |
0.41%
|
33,800
|
$99,034 | — | 10 Jul 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.72%
|
58,700
|
$88,050 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.24%
|
19,436
|
$29,154 | — | 31 Dec 2025 | |
| Chris Chang Yu |
3/4/5
|
Director |
0.12%
|
10,000
|
$25,600 | — | 27 Nov 2025 | |
| Roger Lee |
3/4/5
|
Director |
—
class O/S missing
|
17,500
|
$22,925 | — | 07 Nov 2022 | |
| XTX Topco Ltd |
13F
|
Company |
0.17%
|
14,195
|
$21,293 | — | 31 Dec 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.13%
|
10,277
|
$15,415 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.01%
|
858
|
$1,287 | — | 31 Dec 2025 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0%
|
200
|
$300 | — | 31 Dec 2025 | |
| SHP Wealth Management |
13F
|
Company |
0%
|
45
|
$68 | — | 31 Dec 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
5
|
$8 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for SemiLEDs Corp
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Chris Chang Yu | LEDS | Common Stock | Award | 100% | 5,000 | 10,000 | 27 Nov 2025 | Direct | ||
| Walter Michael Gough | LEDS | Common Stock | Award | 13.9% | 5,000 | 41,068 | 27 Nov 2025 | Direct | ||
| Edward Kuan Hsiung Hsieh | LEDS | Common Stock | Award | 10.3% | 5,000 | 53,571 | 27 Nov 2025 | Direct | ||
| Hsin-Liang Christopher Lee | LEDS | Common Stock | Award | 31% | 8,000 | 33,800 | 10 Jul 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.