Company · SIEB · CIK 65596

Siebert Financial Corp (SIEB) SEC filings and CIK.

SIEB’s SEC Central Index Key (CIK) is 0000065596, or 65596 without leading zeros. The SEC’s ticker file lists it as SIEBERT FINANCIAL CORP.

Ticker: SIEB
CIK: 0000065596
Other tickers: None
Insider transactions, Q3 2026: 8

Insider trading

In Q3 2026, insiders at Siebert Financial Corp reported 8 non-derivative transactions on 15 Forms 3, 4 and 5, including 1 open-market purchases and 0 sales. See every SIEB insider transaction →

Recent filings we observed

No filings for this CIK appear in our current observation window. The full history is available from the filings endpoint below and on SEC.gov.

Get SIEB SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=65596&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/65596" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/65596?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Siebert Financial Corp on SEC.gov

Questions

What is SIEB’s CIK number?

SIEB’s SEC Central Index Key (CIK) is 0000065596, or 65596 without leading zeros. The SEC’s ticker file lists it as SIEBERT FINANCIAL CORP.

How do I find Siebert Financial Corp’s 10-K?

Request /api/v1/filings?cik=65596&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

Ticker and CIK: SEC company_tickers.json, cached 2026-11-02. Tickers can move between entities; the CIK identifies the filer.

Plain-text version for agents and LLMs: /companies/sieb.md

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