Company · MAX · CIK 1818383

MediaAlpha, Inc. (MAX) SEC filings and CIK.

MAX’s SEC Central Index Key (CIK) is 0001818383, or 1818383 without leading zeros. The SEC’s ticker file lists it as MediaAlpha, Inc..

Ticker: MAX
CIK: 0001818383
Other tickers: None
Insider transactions, Q3 2026: 106

Insider trading

In Q3 2026, insiders at MediaAlpha, Inc. reported 106 non-derivative transactions on 28 Forms 3, 4 and 5, including 0 open-market purchases and 94 sales. See every MAX insider transaction →

Recent filings we observed

From our record of EDGAR’s latest-filings feed and sampled daily indexes. Not a complete filing history; use the filings API for that.
Filed	Form	Accession
2026-10-30	SCHEDULE 13D/A	0000950157-26-001142
2026-10-30	144	0001921094-26-001124
2026-10-30	144	0001921094-26-001123

Get MAX SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1818383&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1818383" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1818383?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · MediaAlpha, Inc. on SEC.gov

Questions

What is MAX’s CIK number?

MAX’s SEC Central Index Key (CIK) is 0001818383, or 1818383 without leading zeros. The SEC’s ticker file lists it as MediaAlpha, Inc..

How do I find MediaAlpha, Inc.’s 10-K?

Request /api/v1/filings?cik=1818383&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/max.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.