Skip to main content
Signal8

Graham Holdings Co (GHC)

Graham Holdings Co (GHC) Insider Trading

Directors, officers and holders of more than 10% of GHC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 123 transactions on file: 0 with code P, 0 with code S and 50 with other codes.

DateInsiderCodeShares
Oct 1, 2026Davis Christopher CA Award24
Oct 1, 2026WAGONER G RICHARD JRA Award21
Oct 1, 2026CONLEY DANIELLE Y.A Award19
Oct 1, 2026Markell Jack A.A Award7
Oct 1, 2026MULCAHY ANNE MA Award21
Aug 13, 2026O'Shaughnessy LauraJ Other4,211
Aug 13, 2026O'Shaughnessy LauraJ Other4,211
Aug 13, 2026O'Shaughnessy Timothy JJ Other4,211
Aug 13, 2026O'Shaughnessy Timothy JJ Other4,211
Aug 13, 2026O'Shaughnessy Timothy JJ Other4,211
Aug 13, 2026O'Shaughnessy LauraJ Other4,211
Aug 13, 2026GRAHAM DONALDJ Other12,633
Jul 1, 2026CONLEY DANIELLE Y.A Award19
Jul 1, 2026Markell Jack A.A Award7
Jul 1, 2026MULCAHY ANNE MA Award21
Jul 1, 2026Davis Christopher CA Award23
Jul 1, 2026WAGONER G RICHARD JRA Award21
May 26, 2026O'Shaughnessy LauraJ Other6,000
May 26, 2026Weymouth KatharineJ Other6,000
May 26, 2026Weymouth KatharineJ Other6,000
May 26, 2026O'Shaughnessy Timothy JJ Other6,000
May 26, 2026O'Shaughnessy Timothy JJ Other5,600
May 26, 2026O'Shaughnessy LauraJ Other5,600
May 26, 2026O'Shaughnessy Timothy JJ Other400
May 26, 2026O'Shaughnessy LauraJ Other400
Apr 1, 2026Markell Jack A.A Award8
Apr 1, 2026Davis Christopher CA Award25
Apr 1, 2026MULCAHY ANNE MA Award23
Apr 1, 2026WAGONER G RICHARD JRA Award23
Apr 1, 2026CONLEY DANIELLE Y.A Award21
Jan 16, 2026Maas, JacobA Award1,000
Jan 16, 2026Maas, JacobF Tax Payment377
Jan 2, 2026WAGONER G RICHARD JRA Award22
Jan 2, 2026CONLEY DANIELLE Y.A Award20
Jan 2, 2026Davis Christopher CA Award25
Jan 2, 2026Markell Jack A.A Award8
Jan 2, 2026MULCAHY ANNE MA Award22
Dec 29, 2025Weymouth KatharineJ Other36,000
Nov 11, 2025O'Shaughnessy Timothy JM Exercise7,582
Nov 11, 2025O'Shaughnessy LauraM Exercise7,582
Nov 11, 2025O'Shaughnessy Timothy JM Exercise7,582
Nov 11, 2025O'Shaughnessy LauraF Tax Payment6,839
Nov 11, 2025O'Shaughnessy LauraM Exercise7,582
Nov 11, 2025O'Shaughnessy Timothy JF Tax Payment6,839
Oct 20, 2025Maas, JacobF Tax Payment501
Oct 20, 2025Maas, JacobA Award1,000
Oct 7, 2025O'Shaughnessy Timothy JJ Other2,800
Oct 7, 2025O'Shaughnessy Timothy JJ Other2,800
Oct 7, 2025O'Shaughnessy LauraJ Other2,800
Oct 7, 2025O'Shaughnessy LauraJ Other2,800

The full Form 4 history is on the GHC company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.