# APPLIED SIGNAL TECHNOLOGY INC

APPLIED SIGNAL TECHNOLOGY INC is a company headquartered in Sunnyvale, CA, United States.

## Company overview

- **Legal name:** APPLIED SIGNAL TECHNOLOGY INC
- **Classification:** Company
- **Industry (SIC):** 3669 — Communications Equipment, NEC
- **Headquarters:** Sunnyvale, CA, United States
- **Incorporated in:** CA
- **Fiscal year end:** October 31
- **SEC CIK:** 0000741696

## About

APPLIED SIGNAL TECHNOLOGY INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000741696, and its reported industry is Communications Equipment, NEC. The retained history contains 12 filings, including SC 13G filed on 2011-02-09. 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 SC 13G — filed 2011-02-09
- Form 8-K — filed 2011-02-02 — period 2011-02-01 — FORM 8-K
- Form 10-K/A — filed 2011-01-21 — period 2010-10-31 — 01-21-11 10K/A FOR THE YEAR ENDED 10-31-10
- Form 10-K — filed 2011-01-13 — period 2010-10-31 — 01-13-11 10-K FOR YEAR ENDED 10-31-10
- Form SC 13D — filed 2010-12-29
- Form SC 13G — filed 2010-12-27 — INITIAL FILING
- Form 8-K — filed 2010-12-20 — period 2010-12-20 — FORM 8-K
- Form 8-K — filed 2010-12-20 — period 2010-12-20 — FORM 8-K
- Form 8-K — filed 2010-12-20 — period 2010-12-16 — 12-16-10 8-K FOR QTR ENDED 10-31-10
- Form 8-K — filed 2010-12-17 — period 2010-12-13 — 12-17-10 8-K RETENTION PLAN 12-13-10
- Form SC 13G — filed 2010-11-03
- Form 8-K — filed 2010-10-25 — period 2010-10-22 — STRATEGIC ALTERNATIVES ANNOUNCEMENT

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Updated: 2026-10-23T22:53:27Z

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