Laura O'Shaughnessy - Sep 29, 2025 Form 4 Insider Report for Graham Holdings Co (GHC)

Role
10%+ Owner
Signature
/s/ Nicole Maddrey, attorney-in-fact
Stock symbol
GHC
Transactions as of
Sep 29, 2025
Transactions value $
-$1,211,339
Form type
4
Date filed
9/30/2025, 06:57 PM
Previous filing
Aug 22, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
O'Shaughnessy Laura 10%+ Owner C/O GRAHAM HOLDINGS COMPANY, 1300 NORTH 17TH STREET, SUITE 1700, ARLINGTON /s/ Nicole Maddrey, attorney-in-fact 2025-09-30 0001813477

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GHC Class B Common Stock Options Exercise $6.61M +7.58K +34.89% $872.01 29.3K Sep 29, 2025 Spouse F1
transaction GHC Class B Common Stock Tax liability -$7.82M -6.57K -22.41% $1,190.80 22.7K Sep 29, 2025 Spouse F2
holding GHC Class B Common Stock 4.1K Sep 29, 2025 Direct
holding GHC Class B Common Stock 2.7K Sep 29, 2025 Direct
holding GHC Class B Common Stock 5.6K Sep 29, 2025 Trust F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GHC Employee Stock Option (Right to Buy) Options Exercise $0 -7.58K -49.99% $0.00 7.58K Sep 29, 2025 Class B Common Stock 7.58K $872.01 Spouse F5
holding GHC Class A Common Stock 2.7K Sep 29, 2025 Class B Common Stock 2.7K Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reporting person has no voting or investment power with respect to such shares. The reporting person disclaims beneficial ownership of the reported securities.
F2 The options exercise was executed in anticipation of the November 12, 2025 expiration date on a net settlement basis.
F3 The reporting person's spouse is a trustee of the trust that owns the reported securities. The reporting person is a beneficiary of such trust but has no voting or investment power with respect to the shares held in such trust. The reporting person disclaims beneficial ownership of the reported securities.
F4 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.
F5 The stock option is fully vested. After this exercise of 7,580 options, the reporting person's spouse has 7,582 vested and exercisable options remaining. The reporting person disclaims beneficial ownership of the reported securities.