# TESARO, Inc.

TESARO, Inc. is a company headquartered in Waltham, MA, United States.

## Company overview

- **Legal name:** TESARO, Inc.
- **Classification:** Company
- **Industry (SIC):** 2834 — Pharmaceutical Preparations
- **Headquarters:** Waltham, MA, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001491576

## About

TESARO, Inc. is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001491576, and its reported industry is Pharmaceutical Preparations. In 10-K filed on 2018-02-28, it reported annual revenue of USD 223,326,000; total assets of USD 862,185,000 for the fiscal period ended 2017-12-31. 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.

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

- **Revenue:** $223.3M (USD 223,326,000)
- **Total assets:** $862.2M (USD 862,185,000)
- **Cash and equivalents:** $643.1M (USD 643,095,000)
- **Operating cash flow:** -$400.1M (USD -400,121,000)

### FY2016 (period ended 2016-12-31)

- **Revenue:** $44.8M (USD 44,823,000)
- **Total assets:** $839.8M (USD 839,845,000)
- **Cash and equivalents:** $785.9M (USD 785,877,000)
- **Later filings:** Total assets: shown as originally filed; later filings report different values for the same periods.

## Recent SEC filings

- Form 8-K — filed 2019-01-24 — period 2019-01-22 — 8-K
- Form 8-K — filed 2019-01-22 — period 2019-01-22 — 8-K
- Form 8-K — filed 2018-12-04 — period 2018-12-04 — 8-K
- Form 8-K — filed 2018-12-03 — period 2018-12-03 — 8-K
- Form 10-Q — filed 2018-11-02 — period 2018-09-30 — 10-Q
- Form 8-K — filed 2018-11-01 — period 2018-11-01 — 8-K
- Form 8-K — filed 2018-09-05 — period 2018-09-04 — 8-K
- Form SC 13G — filed 2018-08-13 — SC 13G
- Form SC 13G — filed 2018-08-13 — PRIMARY DOCUMENT
- Form 10-Q — filed 2018-08-03 — period 2018-06-30 — 10-Q
- Form 8-K — filed 2018-08-02 — period 2018-08-02 — 8-K
- Form 8-K — filed 2018-07-18 — period 2018-07-12 — 8-K

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Updated: 2026-10-23T20:12:17Z

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