Graham Holdings Co SEC filings GHC
Graham Holdings Co has 1,006 filings in SEC EDGAR's recent list, going back to Mar 4, 2003. Its latest annual report, Form ARS, was filed on Mar 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change
|
Nov 5, 2026 | Nov 5, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2026 | Oct 29, 2026 |
| 10-Q | Quarterly report | Oct 29, 2026 | Sep 30, 2026 |
| N-PX | Filing | Aug 28, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Other events
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2026 | Jul 30, 2026 |
| 10-Q | Quarterly report | Jul 30, 2026 | Jun 30, 2026 |
| 11-K | Employee savings plan report | Jun 25, 2026 | Dec 31, 2025 |
| 11-K | Employee savings plan report | Jun 25, 2026 | Dec 31, 2025 |
| 11-K | Employee savings plan report | Jun 25, 2026 | Dec 31, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 5, 2026 | May 5, 2026 |
| 8-K |
Current report
Other events
|
May 1, 2026 | May 1, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2026 | Apr 30, 2026 |
| 10-Q | Quarterly report | Apr 30, 2026 | Mar 31, 2026 |
| ARS | Annual report to shareholders | Mar 24, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 24, 2026 | — |
| DEF 14A | Proxy statement | Mar 24, 2026 | May 5, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2026 | Feb 25, 2026 |
| 10-K | Annual report | Feb 25, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 24, 2025 | Nov 24, 2025 |
| 8-K |
Current report
Other events
|
Nov 13, 2025 | Nov 13, 2025 |
| 8-K |
Current report
Other events
|
Nov 12, 2025 | Nov 12, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2025 | Oct 29, 2025 |
| 10-Q | Quarterly report | Oct 29, 2025 | Sep 30, 2025 |
| N-PX | Filing | Aug 27, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2025 | Jul 30, 2025 |
| 10-Q | Quarterly report | Jul 30, 2025 | Jun 30, 2025 |
| 11-K | Employee savings plan report | Jun 27, 2025 | Dec 31, 2024 |
| 11-K | Employee savings plan report | Jun 27, 2025 | Dec 31, 2024 |
| 11-K | Employee savings plan report | Jun 27, 2025 | Dec 31, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
May 7, 2025 | May 6, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2025 | Apr 30, 2025 |
| 10-Q | Quarterly report | Apr 30, 2025 | Mar 31, 2025 |
| ARS | Annual report to shareholders | Mar 26, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 26, 2025 | — |
| DEF 14A | Proxy statement | Mar 26, 2025 | May 6, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 10-K | Annual report | Feb 26, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 25, 2025 | Feb 25, 2025 |
| UPLOAD | Letter from the SEC | Nov 7, 2024 | — |
| 8-K |
Current report
Results of operations
|
Oct 30, 2024 | Oct 30, 2024 |
| 10-Q | Quarterly report | Oct 30, 2024 | Sep 30, 2024 |
| 11-K | Employee savings plan report | Oct 4, 2024 | Dec 31, 2023 |
| 11-K | Employee savings plan report | Oct 4, 2024 | Dec 31, 2023 |
| 11-K | Employee savings plan report | Oct 4, 2024 | Dec 31, 2023 |
| CORRESP | Letter to the SEC | Sep 23, 2024 | — |
| UPLOAD | Letter from the SEC | Sep 19, 2024 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 13, 2024 | Sep 12, 2024 |
| N-PX | Filing | Sep 3, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2024 | Jul 31, 2024 |
| 10-Q | Quarterly report | Jul 31, 2024 | Jun 30, 2024 |
| NT 11-K | Filing | Jun 28, 2024 | Dec 31, 2023 |
| NT 11-K | Filing | Jun 28, 2024 | Dec 31, 2023 |
| NT 11-K | Filing | Jun 28, 2024 | Dec 31, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
May 8, 2024 | May 7, 2024 |
| 8-K |
Current report
Results of operations
|
May 1, 2024 | May 1, 2024 |
| 10-Q | Quarterly report | May 1, 2024 | Mar 31, 2024 |
| ARS | Annual report to shareholders | Mar 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 26, 2024 | — |
| DEF 14A | Proxy statement | Mar 26, 2024 | May 7, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 23, 2024 | Feb 23, 2024 |
| 10-K | Annual report | Feb 23, 2024 | Dec 31, 2023 |
| S-8 | Employee stock plan registration | Dec 14, 2023 | — |
| 10-Q | Quarterly report | Nov 1, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2023 | Nov 1, 2023 |
| 10-Q | Quarterly report | Aug 2, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2023 | Aug 2, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
May 5, 2023 | May 4, 2023 |
| 10-Q | Quarterly report | May 3, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 3, 2023 | May 3, 2023 |
| 8-K |
Current report
Other events
|
Mar 23, 2023 | Mar 23, 2023 |
| ARS | Annual report to shareholders | Mar 23, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Mar 23, 2023 | — |
| 10-K | Annual report | Feb 24, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2023 | Feb 24, 2023 |
| UPLOAD | Letter from the SEC | Jan 20, 2023 | — |
| CORRESP | Letter to the SEC | Jan 4, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 12, 2022 | — |
| 10-Q | Quarterly report | Nov 2, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2022 | Nov 2, 2022 |
| 8-K |
Current report
Officer or director change
|
Sep 15, 2022 | Sep 15, 2022 |
| 10-Q | Quarterly report | Aug 3, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2022 | Aug 3, 2022 |
| S-8 | Employee stock plan registration | Jun 22, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | May 27, 2022 | — |
| 8-K |
Current report
Shareholder vote results
|
May 6, 2022 | May 5, 2022 |
| 10-Q | Quarterly report | May 4, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 4, 2022 | May 4, 2022 |
| DEF 14A | Proxy statement | Mar 24, 2022 | May 5, 2022 |
| 10-K | Annual report | Feb 25, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2022 | Feb 25, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 23, 2021 | Dec 21, 2021 |
| 10-Q | Quarterly report | Nov 3, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2021 | Nov 3, 2021 |
| 10-Q | Quarterly report | Aug 4, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2021 | Aug 4, 2021 |
| 8-K |
Current report
Other events
|
Jun 14, 2021 | Jun 14, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2021 | — |
| 8-K |
Current report
Shareholder vote results
|
May 10, 2021 | May 6, 2021 |
| 10-Q | Quarterly report | May 5, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 5, 2021 | May 5, 2021 |
| 8-K |
Current report
Other events
|
Apr 5, 2021 | Apr 3, 2021 |
| DEF 14A | Proxy statement | Mar 25, 2021 | May 6, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 25, 2021 | Feb 23, 2021 |
| 10-K | Annual report | Feb 24, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2021 | Feb 24, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 16, 2020 | Dec 10, 2020 |
| 8-K |
Current report
Other events
|
Dec 8, 2020 | Dec 8, 2020 |
| 8-K |
Current report
Other events
|
Nov 10, 2020 | Nov 10, 2020 |
| 8-K |
Current report
Officer or director change
|
Nov 4, 2020 | Nov 1, 2020 |
| 10-Q | Quarterly report | Nov 4, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2020 | Nov 4, 2020 |
| UPLOAD | Letter from the SEC | Oct 13, 2020 | — |
| CORRESP | Letter to the SEC | Oct 6, 2020 | — |
| 8-K |
Current report
Officer or director change
|
Oct 2, 2020 | Oct 1, 2020 |
| UPLOAD | Letter from the SEC | Sep 11, 2020 | — |
| 8-K |
Current report
Other events
|
Sep 10, 2020 | Sep 10, 2020 |
| 10-Q | Quarterly report | Aug 5, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2020 | Aug 5, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2020 | — |
| 8-K |
Current report
Shareholder vote results
|
May 8, 2020 | May 7, 2020 |
| 10-Q | Quarterly report | May 5, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 5, 2020 | May 5, 2020 |
| DEFA14A | Additional proxy material | Apr 17, 2020 | — |
| 8-K |
Current report
Officer or director change
|
Apr 6, 2020 | Apr 1, 2020 |
| 8-K |
Current report
Other events
|
Mar 31, 2020 | Mar 31, 2020 |
| DEF 14A | Proxy statement | Mar 26, 2020 | May 7, 2020 |
| SEC STAFF LETTER | Filing | Feb 28, 2020 | — |
| 10-K | Annual report | Feb 26, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2020 | Feb 26, 2020 |
| SEC STAFF LETTER | Filing | Feb 6, 2020 | — |
| 10-Q | Quarterly report | Oct 30, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2019 | Oct 30, 2019 |
| 10-Q | Quarterly report | Jul 31, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2019 | Jul 31, 2019 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2019 | — |
| 8-K |
Current report
Shareholder vote results
|
May 2, 2019 | May 2, 2019 |
| 10-Q | Quarterly report | May 1, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
May 1, 2019 | May 1, 2019 |
| DEF 14A | Proxy statement | Mar 21, 2019 | May 2, 2019 |
| 10-K | Annual report | Feb 25, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2019 | Feb 25, 2019 |
| 10-Q | Quarterly report | Oct 31, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2018 | Oct 31, 2018 |
| 10-Q | Quarterly report | Aug 1, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2018 | Aug 1, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2018 | — |
| CT ORDER | Filing | May 31, 2018 | — |
| 8-K |
Current report
Material agreement, New debt
|
May 30, 2018 | May 24, 2018 |
| 8-K |
Current report
Other events
|
May 24, 2018 | May 24, 2018 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 21, 2018 | May 21, 2018 |
| 8-K |
Current report
Other events
|
May 21, 2018 | May 21, 2018 |
| 8-K |
Current report
Shareholder vote results
|
May 3, 2018 | May 3, 2018 |
| 10-Q | Quarterly report | May 2, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 2, 2018 | May 2, 2018 |
| 8-K |
Current report
Material agreement
|
Mar 28, 2018 | Mar 22, 2018 |
| DEF 14A | Proxy statement | Mar 22, 2018 | May 3, 2018 |
| S-3ASR | Automatic shelf registration | Mar 12, 2018 | — |
| 8-K |
Current report
Other events
|
Mar 7, 2018 | Mar 5, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 23, 2018 | Feb 23, 2018 |
| 10-K | Annual report | Feb 23, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Officer or director change
|
Jan 19, 2018 | Jan 18, 2018 |
| 8-K |
Current report
Other events
|
Nov 9, 2017 | Nov 9, 2017 |
| 10-Q | Quarterly report | Nov 1, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2017 | Nov 1, 2017 |
| 10-Q | Quarterly report | Aug 2, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2017 | Aug 2, 2017 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2017 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 5, 2017 | May 4, 2017 |
| 10-Q | Quarterly report | May 3, 2017 | Mar 31, 2017 |
| 8-K |
Current report
Results of operations
|
May 3, 2017 | May 3, 2017 |
| UPLOAD | Letter from the SEC | Apr 27, 2017 | — |
| 8-K |
Current report
Material agreement
|
Apr 27, 2017 | Apr 27, 2017 |
| 8-K |
Current report
Other events
|
Apr 27, 2017 | Apr 27, 2017 |
| CORRESP | Letter to the SEC | Apr 19, 2017 | — |
| UPLOAD | Letter from the SEC | Apr 6, 2017 | — |
| 8-K |
Current report
Other events
|
Apr 3, 2017 | Apr 3, 2017 |
| DEF 14A | Proxy statement | Mar 23, 2017 | May 4, 2017 |
| 8-K |
Current report
Officer or director change
|
Mar 8, 2017 | Feb 16, 2017 |
| 10-K | Annual report | Feb 24, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2017 | Feb 24, 2017 |
| 8-K |
Current report
Officer or director change
|
Jan 13, 2017 | Jan 11, 2017 |
| 8-K/A |
Amended current report
Officer or director change
|
Jan 13, 2017 | Jan 12, 2017 |
| 8-K |
Current report
Officer or director change
|
Dec 22, 2016 | Dec 22, 2016 |
| 10-Q | Quarterly report | Nov 2, 2016 | Sep 30, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2016 | Nov 2, 2016 |
| 10-Q | Quarterly report | Aug 3, 2016 | Jun 30, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2016 | Aug 3, 2016 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 16, 2016 | May 12, 2016 |
| 8-K |
Current report
Officer or director change
|
May 10, 2016 | May 5, 2016 |
| 10-Q | Quarterly report | May 4, 2016 | Mar 31, 2016 |
| 8-K |
Current report
Results of operations
|
May 4, 2016 | May 4, 2016 |
| DEF 14A | Proxy statement | Mar 24, 2016 | May 12, 2016 |
| 10-K | Annual report | Feb 26, 2016 | Dec 31, 2015 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2016 | Feb 26, 2016 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Educational Services (SIC 8200)
- Listed as
- GHC (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Arlington, VA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 104889
- Former names
- WASHINGTON POST CO (until Nov 18, 2013)
Other Services-Educational Services companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.