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CIK 0000104889 · Large accelerated filer

Graham Holdings Co

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Ticker
GHC
Exchange
NYSE
Industry
Services-Educational Services
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
530182885
Phone
7033456300
Business address
1812 NORTH MOORE STREET, SUITE 2100, ARLINGTON, VA, 22209
Former names
WASHINGTON POST CO
  1. 11-K Other Annual Report
  2. 11-K Other Annual Report
  3. 11-K Other Annual Report
  4. SD Other Specialized Disclosure
  5. ARS Other Annual Report to Security Holders
  6. DEFA14A Proxy Proxy Materials
  7. 11-K Other Annual Report
  8. 11-K Other Annual Report
  9. 11-K Other Annual Report
  10. SD Other Specialized Disclosure
  11. ARS Other Annual Report to Security Holders
  12. DEFA14A Proxy Proxy Materials
  13. 144 Insider Sale of Securities
  14. 11-K Other Annual Report
  15. 11-K Other Annual Report
  16. 11-K Other Annual Report
  17. NT 11-K Other NT 11-K
  18. NT 11-K Other NT 11-K
  19. NT 11-K Other NT 11-K
  20. SD Other Specialized Disclosure

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