# Graham Holdings Co — DEFA14A

Graham Holdings Co of ARLINGTON, VA filed a DEFA14A with the SEC on 2026-03-24. Industry: Services-Educational Services.

## Filing

- Filed: 2026-03-24
- Form: DEFA14A
- Accession: 0001193125-26-120822
- Registrant: Graham Holdings Co
- CIK: 0000104889
- Industry (SIC): Services-Educational Services (8200)
- State of incorporation: DE
- Location: ARLINGTON, VA

## Documents (3)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFA14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (39)

_Showing 12 of 39 filings._

| Filed | Form |
| --- | --- |
| 2026-03-24 | DEFA14A |
| [2026-03-24](https://search.stillhousedata.com/proxy/0001193125-26-120813) | DEF 14A |
| [2025-03-26](https://search.stillhousedata.com/proxy/0001193125-25-063222) | DEFA14A |
| [2025-03-26](https://search.stillhousedata.com/proxy/0001193125-25-063218) | DEF 14A |
| [2024-03-26](https://search.stillhousedata.com/proxy/0001193125-24-077208) | DEFA14A |
| [2024-03-26](https://search.stillhousedata.com/proxy/0001193125-24-077204) | DEF 14A |
| [2023-03-23](https://search.stillhousedata.com/proxy/0001193125-23-077360) | DEF 14A |
| [2022-03-24](https://search.stillhousedata.com/proxy/0001193125-22-083932) | DEF 14A |
| [2021-03-25](https://search.stillhousedata.com/proxy/0001193125-21-094428) | DEF 14A |
| [2020-04-17](https://search.stillhousedata.com/proxy/0000104889-20-000024) | DEFA14A |
| [2020-03-26](https://search.stillhousedata.com/proxy/0001193125-20-086434) | DEF 14A |
| [2019-03-21](https://search.stillhousedata.com/proxy/0001193125-19-081909) | DEF 14A |

## More

- [CIK 104889 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=104889&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001193125-26-120822.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.