First Financial Bankshares Inc (FFIN) SEC filings and CIK.
FFIN’s SEC Central Index Key (CIK) is 0000036029, or 36029 without leading zeros. The SEC’s ticker file lists it as FIRST FINANCIAL BANKSHARES INC.
- Ticker
- FFIN
- CIK
- 0000036029
- Other tickers
- None
- Insider transactions, Q3 2026
- 35
Insider trading
In Q3 2026, insiders at First Financial Bankshares Inc reported 35 non-derivative transactions on 14 Forms 3, 4 and 5, including 2 open-market purchases and 1 sales. See every FFIN insider transaction →
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-11-06 | 4 | 0001193125-26-451890 |
| 2026-10-30 | 4 | 0001193125-26-441381 |
Get FFIN SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=36029&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/36029" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/36029?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · First Financial Bankshares Inc on SEC.gov
Questions
What is FFIN’s CIK number?
FFIN’s SEC Central Index Key (CIK) is 0000036029, or 36029 without leading zeros. The SEC’s ticker file lists it as FIRST FINANCIAL BANKSHARES INC.
How do I find First Financial Bankshares Inc’s 10-K?
Request /api/v1/filings?cik=36029&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
Plain-text version for agents and LLMs: /companies/ffin.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.