O'Shaughnessy Timothy J. - 26 May 2026 Form 4 Insider Report for Graham Holdings Co (GHC)

Reporting relationship: President and CEO, Director
Issuer ticker: GHC
Reported as of: 26 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 May 2026, 11:05:07 UTC
Prior SEC filing: 13 Nov 2025
Next SEC filing: 14 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Nicole Maddrey, attorney-in-fact

Key filing fact

O'Shaughnessy Timothy J. filed Form 4 for Graham Holdings Co (GHC) on 28 May 2026.

Key facts

This page summarizes O'Shaughnessy Timothy J.'s Form 4 filing for Graham Holdings Co (GHC).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 28 May 2026, 11:05.

Change

Previous filing in this sequence was filed on 13 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001621362 Primary reporting owner

O'Shaughnessy Timothy J

Relationship: President and CEO, Director
Address: C/O GRAHAM HOLDINGS COMPANY, 1812 NORTH MOORE STREET, SUITE 2100, ARLINGTON
Signature: /s/ Nicole Maddrey, attorney-in-fact
Signature date: 28 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GHC transaction

Class B Common Stock

Other

Transaction value
Shares: -5,600
Change %: -100%
Price
Shares after: 0
Date: 26 May 2026
Ownership: Trust for spouse and children
Footnotes: F1, F3, F4

GHC transaction

Class B Common Stock

Other

Transaction value
Shares: -400
Change %: -1.5%
Price
Shares after: 27,087
Date: 26 May 2026
Ownership: Direct
Footnotes: F1, F2, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GHC transaction Derivative

Class A Common Stock

Other

Transaction value
Shares: +6,000
Change %: +109%
Price
Shares after: 11,500
Date: 26 May 2026
Ownership: Spouse
Underlying class: Class B Common Stock
Underlying amount: 6,000
Exercise price
Footnotes: F3, F5, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

Disposition of Class B shares in an exchange transaction for the equivalent number of Class A shares.

Footnote F2

Includes 11 shares of Class B Common Stock held by the reporting person in his Graham Holdings Company 401(k) plan account.

Footnote F3

N/A

Footnote F4

The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities.

Footnote F5

Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date.

Footnote F6

Acquisition of Class A shares by the spouse of the reporting person in an exchange transaction for the equivalent number of Class B shares.