# PHOTON DYNAMICS INC

PHOTON DYNAMICS INC is a company headquartered in San Jose, CA, United States.

## Company overview

- **Legal name:** PHOTON DYNAMICS INC
- **Classification:** Company
- **Industry (SIC):** 3825 — Instruments For Meas & Testing of Electricity & Elec Signals
- **Headquarters:** San Jose, CA, United States
- **Incorporated in:** CA
- **Fiscal year end:** September 30
- **SEC CIK:** 0001002663

## About

PHOTON DYNAMICS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001002663, and its reported industry is Instruments For Meas & Testing of Electricity & Elec Signals. The retained history contains 12 filings, including 8-K filed on 2008-10-07. 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 8-K — filed 2008-10-07 — period 2008-10-07 — FORM 8-K
- Form 10-Q — filed 2008-08-11 — period 2008-06-30 — FORM 10-Q
- Form SC 13G — filed 2008-07-07 — PHTN
- Form 8-K — filed 2008-06-26 — period 2008-06-26 — FORM 8-K
- Form 10-Q — filed 2008-05-12 — period 2008-03-31 — FORM 10-Q
- Form 8-K — filed 2008-05-01 — period 2008-05-01
- Form 8-K — filed 2008-04-07 — period 2008-04-07
- Form 8-K — filed 2008-03-20 — period 2008-03-18
- Form SC 13G — filed 2008-02-15
- Form SC 13G — filed 2008-02-13 — SCHEDULE 13G
- Form 10-Q — filed 2008-02-08 — period 2007-12-31 — FORM 10-Q
- Form 8-K — filed 2008-02-07 — period 2008-02-07

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Updated: 2026-10-23T22:01:01Z

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