# Checkmate Pharmaceuticals, Inc.

Checkmate Pharmaceuticals, Inc. is a company headquartered in Cambridge, MA, United States.

## Company overview

- **Legal name:** Checkmate Pharmaceuticals, Inc.
- **Classification:** Company
- **Industry (SIC):** 2836 — Biological Products, (No Diagnostic Substances)
- **Headquarters:** Cambridge, MA, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001651431

## About

Checkmate Pharmaceuticals, Inc. is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001651431, and its reported industry is Biological Products, (No Diagnostic Substances). In 10-K filed on 2022-03-30, it reported net income of USD -61,405,000; total assets of USD 78,838,000 for the fiscal period ended 2021-12-31. 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.

### FY2021 (period ended 2021-12-31)

- **Net income:** -$61.4M (USD -61,405,000)
- **Total assets:** $78.8M (USD 78,838,000)
- **Cash and equivalents:** $50.7M (USD 50,675,000)
- **Operating cash flow:** -$53.7M (USD -53,715,000)

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

- **Net income:** -$36.9M (USD -36,908,000)
- **Total assets:** $133.1M (USD 133,074,000)
- **Cash and equivalents:** $43.1M (USD 43,055,000)
- **Operating cash flow:** -$38.1M (USD -38,111,000)

## Recent SEC filings

- Form SC 13D — filed 2022-06-03 — SCHEDULE 13D - CHECKMATE PHARMACEUTICALS, INC.
- Form 8-K — filed 2022-05-31 — period 2022-05-31 — FORM 8-K
- Form 10-Q — filed 2022-05-12 — period 2022-03-31 — 10-Q
- Form 8-K — filed 2022-05-12 — period 2022-05-12 — 8-K
- Form 10-K/A — filed 2022-04-29 — period 2021-12-31 — 10-K/A
- Form 8-K — filed 2022-04-19 — period 2022-04-18 — 8-K
- Form 8-K — filed 2022-04-19 — period 2022-04-18 — 8-K
- Form 10-K — filed 2022-03-30 — period 2021-12-31 — 10-K
- Form 8-K — filed 2022-03-30 — period 2022-03-29 — 8-K
- Form 8-K — filed 2022-03-01 — period 2022-02-26 — 8-K
- Form SC 13G — filed 2022-02-14 — SC 13G
- Form 8-K — filed 2022-02-09 — period 2022-02-09 — 8-K

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Updated: 2026-10-23T20:09:28Z

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