Updated:
PROTOSOURCE CORP
PROTOSOURCE CORP is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000932772, and its reported industry is...
Overview
PROTOSOURCE CORP is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000932772, and its reported industry is Services-Computer Integrated Systems Design. The retained history contains 12 filings, including 10-Q filed on 2009-11-20. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.
Company overview
- Legal name
- PROTOSOURCE CORP
- Classification
- Company
- Industry (SIC)
- 7373 — Services-Computer Integrated Systems Design
- Headquarters
- Fresno, CA, United States
- Incorporated in
- CA
- Fiscal year end
- December 31
- SEC CIK
- 0000932772
Recent SEC filings
| Form | Filed | Period | Filing |
|---|---|---|---|
| 10-Q | 10-Q | ||
| 8-K | 8-K | ||
| 10-Q | FORM 10-Q (JUNE 30, 2009) | ||
| 10-Q | FORM 10-Q (3/31/09) | ||
| 10-K | 10-K | ||
| 10-Q | 10-Q | ||
| 10-Q | FORM 10-Q (6/30/2008) | ||
| 10-Q | 10-Q | ||
| DEF 14A | DEF 14A | ||
| 8-K | 8-K | ||
| 8-K | 8-K | ||
| SC 13G | — | SCHEDULE 13G |
Profile maintained by Altss. Updated: . To correct this record or make a privacy request, send the page URL and your evidence to privacy@altss.com; corrections are free.
Research PROTOSOURCE CORP in Altss
Track this company’s investors, transactions and relationships in Altss.