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SEC registrant · CIK 0001732845

WestRock Co

WestRock Co (CIK 0001732845, EIN 37-1880617) reported revenue of $20.31 billion ($20,310,000,000) for FY2023 (2022-10-01 to 2023-09-30) and net income of -$1.65 billion (-$1,649,000,000) for FY2023 (2022-10-01 to 2023-09-30), as filed in its 10-K filed 2023-11-17 (accession 0000950170-23-064855).

Figures are as filed with the SEC in XBRL, in whole US dollars unless stated, for the company's own fiscal years (fiscal year ends September 30).

Data as of Oct 21, 2026 (Olympus publication) · Markdown version

  • Values are as filed by the company in its 10-K and 10-Q XBRL data. When a later filing restates a value, the latest filed value is shown and the first reported value is noted.

Identifiers

As published in the company's EDGAR submissions record.

IdentifierValue
CIK0001732845
EIN37-1880617
SIC industry code2650 Paperboard Containers & Boxes
State or country of incorporationDE
Fiscal year endSeptember 30
Filer categoryLarge accelerated filer
Entity typeoperating
Olympus entity IDorg_2jr9er023x4tpd67qdv8e3n6x5
  • The EIN is the one the filer gave to EDGAR. The SEC does not verify it; Olympus checks only that it has nine digits and a prefix the IRS assigns.

Latest annual financial metrics

The latest annual value of each standardised metric, with the filing it was taken from.

MetricValueFiscal periodPeriodFormFiledAccession numberXBRL concept
Revenue$20,310,000,000FY20232022-10-01 to 2023-09-3010-K2023-11-170000950170-23-064855Revenues
Net income-$1,649,000,000FY20232022-10-01 to 2023-09-3010-K2023-11-170000950170-23-064855NetIncomeLoss
Total assets$27,443,700,000FY2023as of 2023-09-3010-K2023-11-170000950170-23-064855Assets
Stockholders' equity$10,080,700,000FY2023as of 2023-09-3010-K2023-11-170000950170-23-064855StockholdersEquity
Operating cash flow$1,827,900,000FY20232022-10-01 to 2023-09-3010-K2023-11-170000950170-23-064855NetCashProvidedByUsedInOperatingActivities
Diluted earnings per share-$6.44 per shareFY20232022-10-01 to 2023-09-3010-K2023-11-170000950170-23-064855EarningsPerShareDiluted
Shares outstanding256,469,100 sharesFY2023as of 2023-11-0310-K2023-11-170000950170-23-064855EntityCommonStockSharesOutstanding
  • Accession numbers link to the filing's index on SEC EDGAR.

Revenue and net income history

Every annual revenue and net income value served for fiscal years 2014-2023, newest first, each with its filing.

MetricFiscal periodPeriodValueFormFiledAccession number
RevenueFY20232022-10-01 to 2023-09-30$20,310,000,00010-K2023-11-170000950170-23-064855
RevenueFY20222021-10-01 to 2022-09-30$21,256,500,00010-K2023-11-170000950170-23-064855
RevenueFY20212020-10-01 to 2021-09-30$18,746,100,00010-K2023-11-170000950170-23-064855
RevenueFY20202019-10-01 to 2020-09-30$17,578,800,00010-K2022-11-180000950170-22-025444
RevenueFY20192018-10-01 to 2019-09-30$18,289,000,00010-K2021-11-190001564590-21-057778
RevenueFY20182017-10-01 to 2018-09-30$16,285,100,00010-K2018-11-160001564590-18-029723
Net incomeFY20232022-10-01 to 2023-09-30-$1,649,000,00010-K2023-11-170000950170-23-064855
Net incomeFY20222021-10-01 to 2022-09-30$944,600,00010-K2023-11-170000950170-23-064855
Net incomeFY20212020-10-01 to 2021-09-30$838,300,00010-K2023-11-170000950170-23-064855
Net incomeFY20202019-10-01 to 2020-09-30-$690,900,00010-K2022-11-180000950170-22-025444
Net incomeFY20192018-10-01 to 2019-09-30$862,900,00010-K2021-11-190001564590-21-057778
Net incomeFY20182017-10-01 to 2018-09-30$1,906,100,00010-K2020-11-230001564590-20-054816

Recent 10-K and 10-Q filings

The 12 most recent 10-K, 10-Q and amendment filings in EDGAR, newest first.

FormFiledPeriod of reportAccession numberDocument
10-Q2024-05-032024-03-310000950170-24-052908wrk-20240331.htm
10-Q2024-02-022023-12-310000950170-24-010481wrk-20231231.htm
10-K2023-11-172023-09-300000950170-23-064855wrk-20230930.htm
10-Q2023-08-042023-06-300000950170-23-038588wrk-20230630.htm
10-Q2023-05-052023-03-310000950170-23-018302wrk-20230331.htm
10-Q2023-02-032022-12-310000950170-23-001757wrk-20221231.htm
10-K2022-11-182022-09-300000950170-22-025444wrk-20220930.htm
10-Q2022-08-052022-06-300000950170-22-015014wrk-20220630.htm
10-Q2022-05-062022-03-310000950170-22-008103wrk-20220331.htm
10-Q2022-02-082021-12-310000950170-22-000869wrk-20211231.htm
10-K2021-11-192021-09-300001564590-21-057778wrk-10k_20210930.htm
10-Q2021-08-092021-06-300001564590-21-042526wrk-10q_20210630.htm

Identifier registry

The company's identifiers in the Olympus identifier registry, each with how it was linked and its source.

SchemeValueHow linkedSourcePublished
SEC Central Index Key (CIK) · OLY-US-SEC-CIK0001732845published by the sourcedata.sec.gov/submissions/CIK0001732845.json2026-10-21
Employer Identification Number (EIN) · US-EIN37-1880617published by the sourcedata.sec.gov/submissions/CIK0001732845.json2026-10-21

Former names

NameFromTo
Whiskey Holdco, Inc.2018-03-282018-08-01

Sources

  • EDGAR submissions (nightly bulk archive) (company profile and filings) — U.S. Securities and Exchange Commission. EDGAR snapshot sha256:f7d2a4f18cb91aae, source date 2026-10-20. https://data.sec.gov/submissions/CIK0001732845.json
  • EDGAR XBRL company facts (nightly bulk archive) (financial metrics) — U.S. Securities and Exchange Commission. EDGAR snapshot sha256:01e4045aa34d7224, source date 2026-10-20. https://data.sec.gov/api/xbrl/companyfacts/CIK0001732845.json
  • Published by Olympus on Oct 21, 2026.
  • Source data: U.S. Securities and Exchange Commission (EDGAR). Values are as filed by the registrant; Olympus does not audit or adjust them.
  • Olympus is not affiliated with or endorsed by the U.S. Securities and Exchange Commission.

Get this data from the API

The same figures, with provenance on every value, from the API (free API key, reference) or from an AI agent through the Olympus MCP server.

curl
curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001732845" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001732845/financials" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001732845/filings?limit=12" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_sec_company_financials {"cik":"1732845"}

On SEC EDGAR

About this data