# DUPONT PHOTOMASKS INC

DUPONT PHOTOMASKS INC is a company headquartered in Round Rock, TX, United States.

## Company overview

- **Legal name:** DUPONT PHOTOMASKS INC
- **Classification:** Company
- **Industry (SIC):** 3559 — Special Industry Machinery, NEC
- **Headquarters:** Round Rock, TX, United States
- **Incorporated in:** DE
- **Fiscal year end:** June 30
- **SEC CIK:** 0001012128

## About

DUPONT PHOTOMASKS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001012128, and its reported industry is Special Industry Machinery, NEC. The retained history contains 12 filings, including SC 13G filed on 2006-02-09. 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 2006-02-09
- Form 8-K — filed 2005-04-25 — period 2005-04-22 — 8-K
- Form 8-K — filed 2005-04-20 — period 2005-04-19 — 8-K
- Form 8-K — filed 2005-04-05 — period 2005-04-01 — 8-K
- Form 8-K — filed 2005-03-28 — period 2005-03-28 — 8-K
- Form 8-K — filed 2005-03-10 — period 2005-03-10 — 8-K
- Form DEF 14A — filed 2005-02-28 — period 2005-03-28 — DEF 14A
- Form SC 13G — filed 2005-02-14 — DUPONT PHOTOMASKS, INC. SC 13G
- Form SC 13G — filed 2005-02-14 — DUPONT PHOTOMASKS, INC. - COMMON STOCK
- Form SC 13G — filed 2005-02-14
- Form 10-Q — filed 2005-02-08 — period 2004-12-31 — 10-Q
- Form 8-K — filed 2005-01-26 — period 2005-01-26 — 8-K

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Updated: 2026-10-23T22:26:34Z

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