Figures computed from official regulatory filings — .
Ownershipinsiders 0% · institutions 0% · short 7.2% of float
In USD · as of Oct 5, 2026
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Hoku Corporation operates as a solar energy products and services company primarily in the United States. It focuses on manufacturing polysilicon, a primary material used in the manufacture of photovoltaic (PV) modules; and designing, engineering, and installing turnkey PV systems and related services in Hawaii using solar modules purchased from third-party suppliers. The company was formerly known as Hoku Scientific, Inc. and changed its name to Hoku Corporation in March 2010. Hoku Corporation was incorporated in 2001 and is headquartered in Honolulu, Hawaii. On July 2, 2013, Hoku Corporation along with its affiliates filed a voluntary petition for liquidation under Chapter 7 in the U.S. Bankruptcy Court for the District of Idaho.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
713 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| HIRATA DEAN K | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zheng Yi | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zhang Tao | Other | $5.8K | SEC |
| Stahlkopf Karl E | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Nakamoto Darryl | Other | $119.7 | SEC |
| Yin Xiaoming | Other | $10.1K | SEC |
| SCHRECK JERROD M | Other | $6.3K | SEC |
| Gao Zhengfei | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Nakamoto Darryl | Other | $6K | Unusual size | SEC |
| Xia Wei | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Paul Scott B | Other | $13.3K | Unusual size | SEC |
| Paul Scott B | Other | $150.6 | SEC |
| Paul Scott B | Other | $929.6 | Unusual size | SEC |
| Nakamoto Darryl | Other | $841.6 | SEC |
| Zhang Tao | Other | $7.2K | SEC |
| Zhang Tao | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Gao Zhengfei | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zheng Yi | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Xia Wei | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| HIRATA DEAN K | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Paul Scott B | Other | $940.2 | SEC |
| Nakamoto Darryl | Other | $1K | SEC |
| Stahlkopf Karl E | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zhang Tao | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SCHRECK JERROD M | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |