# OPTEK TECHNOLOGY INC

OPTEK TECHNOLOGY INC is a company headquartered in Carrollton, TX, United States.

## Company overview

- **Legal name:** OPTEK TECHNOLOGY INC
- **Classification:** Company
- **Industry (SIC):** 3674 — Semiconductors & Related Devices
- **Headquarters:** Carrollton, TX, United States
- **Incorporated in:** DE
- **Fiscal year end:** October 31
- **SEC CIK:** 0000804312

## About

OPTEK TECHNOLOGY INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000804312, and its reported industry is Semiconductors & Related Devices. The retained history contains 12 filings, including 10-Q filed on 1999-06-14. 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.

## Recent SEC filings

- Form 10-Q — filed 1999-06-14 — period 1999-04-30
- Form 10-Q — filed 1999-03-15 — period 1999-01-29
- Form DEF 14A — filed 1999-02-08 — period 1999-03-16
- Form 10-K — filed 1999-01-28 — period 1998-10-30
- Form SC 13D — filed 1998-09-14 — SCHEDULE 13D
- Form 10-Q — filed 1998-09-14 — period 1998-07-31
- Form 10-Q — filed 1998-06-10 — period 1998-05-01
- Form 10-K/A — filed 1998-04-29 — period 1997-10-31
- Form 10-K/A — filed 1998-03-25 — period 1997-10-31 — AMENDMENT NO. 3 TO FORM 10-K FOR YEAR END 10/31/97
- Form 10-Q — filed 1998-02-25 — period 1998-01-30
- Form SC 13G — filed 1998-02-13
- Form DEF 14A — filed 1998-02-10 — period 1998-03-17

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Updated: 2026-10-23T22:16:53Z

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