Company facts
- Industry
- Services-Educational Services
- Headquarters
- Arlington, Virginia
- Most recent report
- 8-K, filed Nov 5, 2026
- Incorporated
- Delaware
- Filings on record
- 1,007+ filings
- On EDGAR
- CIK 104889
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 97
News 8 of 225
Prospectuses and Registrations 8
- S-8 Registration statement for an employee plan Dec 14, 2023
- S-8 Registration statement for an employee plan Jun 22, 2022
- S-3ASR Automatic shelf registration Mar 12, 2018
- S-8 Registration statement for an employee plan Jun 24, 2013
- 424B5 Prospectus supplement for an offering Jan 28, 2009
- FWP Free writing prospectus Jan 27, 2009
- 424B3 Prospectus supplement for an offering Jan 27, 2009
- S-3ASR Automatic shelf registration Nov 14, 2008
Proxies 8 of 28
- DEFA14A Extra proxy material Mar 24, 2026
- DEF 14A Proxy statement for a shareholder vote Mar 24, 2026
- DEFA14A Extra proxy material Mar 26, 2025
- DEF 14A Proxy statement for a shareholder vote Mar 26, 2025
- DEFA14A Extra proxy material Mar 26, 2024
- DEF 14A Proxy statement for a shareholder vote Mar 26, 2024
- DEF 14A Proxy statement for a shareholder vote Mar 23, 2023
- DEF 14A Proxy statement for a shareholder vote Mar 24, 2022
Ownership 8 of 562
- 3 Insider reported their initial holding Nov 6, 2026
- SCHEDULE 13D/A Large holder reported an active stake, amended Nov 2, 2026
- 4 Insider reported a trade Oct 2, 2026
- 4 Insider reported a trade Oct 2, 2026
- 4 Insider reported a trade Oct 2, 2026
- 4 Insider reported a trade Oct 2, 2026
- 4 Insider reported a trade Oct 2, 2026
- 4 Insider reported a trade Aug 31, 2026
Other 8 of 87
- N-PX Record of how a fund voted its shares Aug 28, 2026
- 11-K Employee stock plan report Jun 25, 2026
- 11-K Employee stock plan report Jun 25, 2026
- 11-K Employee stock plan report Jun 25, 2026
- SD Conflict minerals disclosure May 29, 2026
- ARS Annual report sent to shareholders Mar 24, 2026
- N-PX Record of how a fund voted its shares Aug 27, 2025
- 11-K Employee stock plan report Jun 27, 2025
Everything here comes from Graham Holdings Co's own filings on SEC EDGAR. The filing list is rechecked every hour.