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KEITHLEY INSTRUMENTS INC
KEITHLEY INSTRUMENTS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000054991, and its reported...
Overview
KEITHLEY INSTRUMENTS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000054991, and its reported industry is Instruments For Meas & Testing of Electricity & Elec Signals. The retained history contains 12 filings, including 10-K filed on 2010-12-15. 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
- KEITHLEY INSTRUMENTS INC
- Classification
- Company
- Industry (SIC)
- 3825 — Instruments For Meas & Testing of Electricity & Elec Signals
- Headquarters
- Solon, OH, United States
- Incorporated in
- OH
- Fiscal year end
- September 30
- SEC CIK
- 0000054991
Recent SEC filings
| Form | Filed | Period | Filing |
|---|---|---|---|
| 10-K | FORM 10-K | ||
| 8-K | FORM 8-K | ||
| 8-K | Form 8-K | ||
| 8-K | FORM 8-K | ||
| 8-K | Form 8-K | ||
| 8-K | FORM 8-K | ||
| SC 13D | — | Form SC 13D | |
| SC 13D | — | SCHEDULE 13D | |
| 8-K | FORM 8-K | ||
| 8-K | FORM 8-K | ||
| 10-Q | FORM 10-Q | ||
| 8-K | Form 8-K |
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