Berkshire Hathaway Inc (BRK-A) SEC filings and CIK.
BRK-A’s SEC Central Index Key (CIK) is 0001067983, or 1067983 without leading zeros. The SEC’s ticker file lists it as BERKSHIRE HATHAWAY INC. The same CIK also trades as BRK-B.
- Ticker
- BRK-A
- CIK
- 0001067983
- Other tickers
- BRK-B
- Insider transactions, Q3 2026
- 11
Insider trading
In Q3 2026, insiders at Berkshire Hathaway Inc reported 11 non-derivative transactions on 6 Forms 3, 4 and 5, including 3 open-market purchases and 1 sales. See every BRK-A insider transaction →
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-11-09 | 424B5 | 0001193125-26-452592 |
| 2026-11-09 | 8-K | 0001193125-26-452530 |
| 2026-11-09 | 10-Q | 0001193125-26-452412 |
Get BRK-A SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=1067983&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/1067983" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/1067983?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · Berkshire Hathaway Inc on SEC.gov
Questions
What is BRK-A’s CIK number?
BRK-A’s SEC Central Index Key (CIK) is 0001067983, or 1067983 without leading zeros. The SEC’s ticker file lists it as BERKSHIRE HATHAWAY INC. The same CIK also trades as BRK-B.
How do I find Berkshire Hathaway Inc’s 10-K?
Request /api/v1/filings?cik=1067983&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
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Plain-text version for agents and LLMs: /companies/brk-a.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.