# ZIX CORP

ZIX CORP is a company headquartered in Dallas, TX, United States.

## Company overview

- **Legal name:** ZIX CORP
- **Former names in filing history:** ZIXIT CORP (1999-10-13 to 2002-08-21); CUSTOMTRACKS CORP /TX/ (1998-11-16 to 1999-04-28); AMTECH CORP (1995-11-13 to 1998-07-22)
- **Classification:** Company
- **Industry (SIC):** 7374 — Services-Computer Processing & Data Preparation
- **Headquarters:** Dallas, TX, United States
- **Incorporated in:** TX
- **Fiscal year end:** December 31
- **SEC CIK:** 0000855612

## About

ZIX CORP is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000855612, and its reported industry is Services-Computer Processing & Data Preparation. In 10-K filed on 2021-03-05, it reported annual revenue of USD 218,478,000; net income of USD -6,425,000; total assets of USD 449,724,000 for the fiscal period ended 2020-12-31. The financial history preserves reporting periods, currencies, filing accessions and source provenance. Figures are reported filing data, rather than real-time estimates.

## Financials

Annual figures as originally reported. Currency is shown for each fiscal year; B means billion and M means million.

### FY2020 (period ended 2020-12-31)

- **Revenue:** $218.5M (USD 218,478,000)
- **Net income:** -$6.4M (USD -6,425,000)
- **Total assets:** $449.7M (USD 449,724,000)
- **Cash and equivalents:** $21.4M (USD 21,362,000)
- **Operating cash flow:** $31.3M (USD 31,280,000)

### FY2019 (period ended 2019-12-31)

- **Revenue:** $173.4M (USD 173,428,000)
- **Net income:** -$14.6M (USD -14,647,000)
- **Total assets:** $412.7M (USD 412,721,000)
- **Cash and equivalents:** $13.3M (USD 13,349,000)
- **Operating cash flow:** $14.0M (USD 13,951,000)

### FY2018 (period ended 2018-12-31)

- **Revenue:** $70.5M (USD 70,478,000)
- **Net income:** $15.4M (USD 15,444,000)
- **Total assets:** $104.6M (USD 104,640,000)
- **Cash and equivalents:** $27.1M (USD 27,109,000)
- **Operating cash flow:** $16.7M (USD 16,671,000)

### FY2017 (period ended 2017-12-31)

- **Revenue:** $65.7M (USD 65,663,000)
- **Net income:** -$8.1M (USD -8,057,000)
- **Total assets:** $81.3M (USD 81,308,000)
- **Cash and equivalents:** $33.0M (USD 33,009,000)

## Recent SEC filings

- Form 8-K — filed 2021-12-23 — period 2021-12-23 — 8-K
- Form SC 13G — filed 2021-12-03 — SC 13G
- Form SC 13D — filed 2021-11-17 — SC 13D
- Form 10-Q — filed 2021-11-09 — period 2021-09-30 — 10-Q
- Form 8-K — filed 2021-11-09 — period 2021-11-07 — 8-K
- Form 10-Q — filed 2021-08-05 — period 2021-06-30 — 10-Q - Q2 2021
- Form 8-K — filed 2021-08-05 — period 2021-08-05 — 8-K
- Form 8-K — filed 2021-06-11 — period 2021-06-09 — 8-K
- Form 8-K — filed 2021-06-04 — period 2021-06-01 — 8-K
- Form 10-Q — filed 2021-05-06 — period 2021-03-31 — 10-Q
- Form 8-K — filed 2021-05-05 — period 2021-05-05 — 8-K
- Form DEF 14A — filed 2021-04-23 — period 2021-06-09 — DEF 14A

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Updated: 2026-10-23T20:10:52Z

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