# ESSENTIAL THERAPEUTICS INC

ESSENTIAL THERAPEUTICS INC is a company headquartered in Waltham, MA, United States.

## Company overview

- **Legal name:** ESSENTIAL THERAPEUTICS INC
- **Former names in filing history:** MICROCIDE PHARMACEUTICALS INC (1996-09-11 to 2001-08-14)
- **Classification:** Company
- **Industry (SIC):** 2834 — Pharmaceutical Preparations
- **Headquarters:** Waltham, MA, United States
- **Incorporated in:** CA
- **Fiscal year end:** December 31
- **SEC CIK:** 0001010915

## About

ESSENTIAL THERAPEUTICS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001010915, and its reported industry is Pharmaceutical Preparations. The retained history contains 12 filings, including 8-K filed on 2003-10-22. 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 2003-10-22 — period 2003-10-10 — FORM 8-K
- Form 10-Q — filed 2003-08-14 — period 2003-06-30 — FORM10-Q
- Form 8-K — filed 2003-07-25 — period 2003-07-18 — ESSENTIAL THERAPEUTICS, INC. FORM 8-K
- Form 8-K — filed 2003-06-30 — period 2003-06-19 — FORM 8-K
- Form 8-K — filed 2003-06-11 — period 2003-06-04 — FORM 8K
- Form 10-Q — filed 2003-05-15 — period 2003-03-31 — FORM 10-Q
- Form 8-K — filed 2003-05-02 — period 2003-05-01 — FORM 8K
- Form 8-K — filed 2003-04-14 — period 2003-04-14 — FORM 8-K
- Form 10-K — filed 2003-03-31 — period 2002-12-31 — FORM 10-K
- Form 8-K — filed 2003-01-24 — period 2003-01-23 — FORM 8-K
- Form DEF 14A — filed 2002-12-03 — period 2003-01-17 — DEFINITIVE NOTICE AND PROXY STATEMENT
- Form 8-K — filed 2002-11-14 — period 2002-11-13 — FORM 8-K

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Updated: 2026-10-23T22:41:06Z

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