# CENTRA SOFTWARE INC

CENTRA SOFTWARE INC is a company headquartered in Lexington, MA, United States.

## Company overview

- **Legal name:** CENTRA SOFTWARE INC
- **Classification:** Company
- **Industry (SIC):** 7389 — Services-Business Services, NEC
- **Headquarters:** Lexington, MA, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001096658

## About

CENTRA SOFTWARE INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001096658, and its reported industry is Services-Business Services, NEC. The retained history contains 12 filings, including 10-Q filed on 2005-11-09. 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 10-Q — filed 2005-11-09 — period 2005-09-30 — FORM 10-Q
- Form 8-K — filed 2005-11-03 — period 2005-11-02 — FORM 8-K
- Form 8-K — filed 2005-10-11 — period 2005-10-05 — FORM 8-K (OCTOBER 5, 2005)
- Form 8-K — filed 2005-10-06 — period 2005-10-05 — FORM 8-K
- Form 10-Q — filed 2005-08-09 — period 2005-06-30 — FORM 10-Q
- Form 8-K — filed 2005-08-03 — period 2005-08-03 — FORM 8-K
- Form 8-K — filed 2005-07-20 — period 2005-07-14 — FORM 8-K
- Form DEF 14A — filed 2005-06-22 — period 2005-07-14 — NOTICE & PROXY STATEMENT
- Form 8-K — filed 2005-06-20 — period 2005-06-14 — FORM 8-K
- Form 8-K — filed 2005-06-08 — period 2005-06-02 — FORM 8-K
- Form 10-Q — filed 2005-05-09 — period 2005-03-31 — FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2005
- Form 8-K — filed 2005-05-04 — period 2005-05-04 — FORM 8-K

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

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