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NYSE · CIK 0000104889

GHC Graham Holdings Co

Insider trading from SEC Form 4. Last filing 11 d ago. Close $1,173.16 on Oct 9, 2026, +24% from the 52-week low and -5% from the high.

Graham Holdings Co (GHC) has 63 SEC Form 4 filings on file from 11 insiders, the latest filed on Oct 2, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.

3 open-market trades have been scored at GHC. The newest: Tony Allen (director) sold $6,600 of stock on Jul 30, 2025, filed Mar 10, 2026, scored 25 (weak). The largest of the 3 shown: Katharine Weymouth (director) sold $359k on Nov 13, 2024, scored 35 (weak).

GHC closed at $1,173.16 on Oct 9, 2026, 24% above its 52-week low and 5% below its 52-week high.

1 Form 144 notice of planned sales is on file, the latest filed Jan 6, 2025.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
11
with a Form 4 at this company

Price and insider trades, last year

GHCOct 9, 2026 · close 1,173

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at Graham Holdings Co, scored.

ScoreInsiderValueHoldingsPrice contextFiled
25WeakTony Allen
director
sell
$6,600
7 shares
-47%+31% from low-5% from high
16WeakMarcel A. Snyman
VP-Chief Accounting Officer
sell
$140k
159 shares
-26%-
35WeakKatharine Weymouth
director
sell
$359k
378 shares
-19%-

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Jan 6, 2025 Snyman Marcel A.
Officer
159
0.00% of outstanding
$140kJan 6, 2025none

Transactions

The newest 50 of 100 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026Anne M Mulcahy
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+21$1,139.10$24k77911 d ago
Oct 1, 2026G Richard Wagoner Jr
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+21$1,139.10$24k1,57511 d ago
Oct 1, 2026Jack A. Markell
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+7$1,139.10$7,9745511 d ago
Oct 1, 2026Danielle Y. Conley
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+19$1,139.10$22k48011 d ago
Oct 1, 2026Christopher C Davis
director
AGrant or award
Class B Common Stock
+24$1,139.10$27k5,63811 d ago
May 26, 2026Katharine Weymouth
director
JOther
Class B Common Stock
+6,000--7,615May 28, 2026
May 26, 2026Timothy J O'Shaughnessy
President and CEO
JOther
Class B Common Stockindirect: Trust for spouse and children
-5,600--0May 28, 2026
May 26, 2026Laura O'Shaughnessy
owner
JOther
Class B Common Stockindirect: Trust
-5,600--0May 28, 2026
May 26, 2026Katharine Weymouth
director
JOther
Class A Common Stockderivative
-6,000--30,000May 28, 2026
May 26, 2026Laura O'Shaughnessy
owner
JOther
Class B Common Stock
-400--27,076May 28, 2026
May 26, 2026Timothy J O'Shaughnessy
President and CEO
JOther
Class B Common Stock
-400--27,087May 28, 2026
May 26, 2026Timothy J O'Shaughnessy
President and CEO
JOther
Class A Common Stockderivativeindirect: Spouse
+6,000--11,500May 28, 2026
May 26, 2026Laura O'Shaughnessy
owner
JOther
Class A Common Stockderivative
+6,000--11,500May 28, 2026
Apr 1, 2026Jack A. Markell
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+8$1,061.70$8,49441Apr 2, 2026
Apr 1, 2026Anne M Mulcahy
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+23$1,061.70$24k737Apr 2, 2026
Apr 1, 2026G Richard Wagoner Jr
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+23$1,061.70$24k1,533Apr 2, 2026
Apr 1, 2026Danielle Y. Conley
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+21$1,061.70$22k442Apr 2, 2026
Apr 1, 2026Christopher C Davis
director
AGrant or award
Class B Common Stock
+25$1,061.70$27k5,591Apr 2, 2026
Jul 30, 2025Tony Allen
director
SOpen-market sale
Class B Common Stock
-7$942.89$6,6008Mar 10, 2026
Jan 16, 2026Jacob Maas
Executive VP
AGrant or award
Class B Common Stock
+1,000$0.00$07,034Jan 21, 2026
Jan 16, 2026Jacob Maas
Executive VP
FTax withholding
Class B Common Stock
-377$1,150.50$434k6,657Jan 21, 2026
Jan 2, 2026Danielle Y. Conley
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+20$1,091.18$22k421Jan 5, 2026
Jan 2, 2026Christopher C Davis
director
AGrant or award
Class B Common Stock
+25$1,091.18$27k5,566Jan 5, 2026
Jan 2, 2026Jack A. Markell
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+8$1,091.18$8,72933Jan 5, 2026
Jan 2, 2026Anne M Mulcahy
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+22$1,091.18$24k714Jan 5, 2026
Jan 2, 2026G Richard Wagoner Jr
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+22$1,091.18$24k1,510Jan 5, 2026
Dec 29, 2025Katharine Weymouth
director
JOther
Class A Common Stockderivative
+36,000--36,000Dec 29, 2025
Nov 11, 2025Timothy J O'Shaughnessy
President and CEO
MOption exercise
Class B Common Stock
+7,582$872.01$6.6M34,323Nov 13, 2025
Nov 11, 2025Laura O'Shaughnessy
owner
MOption exercise
Class B Common Stock
+7,582$872.01$6.6M34,315Nov 13, 2025
Nov 11, 2025Timothy J O'Shaughnessy
President and CEO
FTax withholding
Class B Common Stock
-6,839$1,085.29$7.4M27,484Nov 13, 2025
Nov 11, 2025Laura O'Shaughnessy
owner
FTax withholding
Class B Common Stock
-6,839$1,085.29$7.4M27,476Nov 13, 2025
Nov 11, 2025Timothy J O'Shaughnessy
President and CEO
MOption exercise
Employee Stock Option (Right to Buy)derivative
-7,582$0.00$00Nov 13, 2025
Nov 11, 2025Laura O'Shaughnessy
owner
MOption exercise
Employee Stock Option (Right to Buy)derivativeindirect: Spouse
-7,582$0.00$00Nov 13, 2025
Oct 20, 2025Jacob Maas
Executive VP
AGrant or award
Class B Common Stock
+1,000$0.00$06,535Oct 22, 2025
Oct 20, 2025Jacob Maas
Executive VP
FTax withholding
Class B Common Stock
-501$987.72$495k6,034Oct 22, 2025
Oct 7, 2025Laura O'Shaughnessy
owner
JOther
Class B Common Stock
-2,800--26,733Oct 9, 2025
Oct 7, 2025Timothy J O'Shaughnessy
President and CEO
JOther
Class B Common Stock
-2,800--26,741Oct 9, 2025
Oct 7, 2025Timothy J O'Shaughnessy
President and CEO
JOther
Class A Common Stockderivativeindirect: Spouse
+2,800--5,500Oct 9, 2025
Oct 7, 2025Laura O'Shaughnessy
owner
JOther
Class A Common Stockderivative
+2,800--5,500Oct 9, 2025
Oct 1, 2025Danielle Y. Conley
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+19$1,165.25$22k401Oct 2, 2025
Oct 1, 2025Christopher C Davis
director
AGrant or award
Class B Common Stock
+23$1,165.25$27k5,541Oct 2, 2025
Oct 1, 2025Jack A. Markell
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+7$1,165.25$8,15725Oct 2, 2025
Oct 1, 2025Anne M Mulcahy
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+21$1,165.25$24k692Oct 2, 2025
Oct 1, 2025G Richard Wagoner Jr
director
AGrant or award
Class B Common Stockindirect: Revocable Trust
+21$1,165.25$24k1,488Oct 2, 2025
Sep 29, 2025Timothy J O'Shaughnessy
President and CEO
MOption exercise
Class B Common Stock
+7,580$872.01$6.6M32,007Sep 30, 2025
Sep 29, 2025Timothy J O'Shaughnessy
President and CEO
FTax withholding
Class B Common Stock
-6,568$1,190.80$7.8M25,439Sep 30, 2025
Sep 29, 2025Laura O'Shaughnessy
owner
MOption exercise
Class B Common Stockindirect: Spouse
+7,580$872.01$6.6M29,307Sep 30, 2025
Sep 29, 2025Laura O'Shaughnessy
owner
FTax withholding
Class B Common Stockindirect: Spouse
-6,568$1,190.80$7.8M22,739Sep 30, 2025
Sep 29, 2025Timothy J O'Shaughnessy
President and CEO
MOption exercise
Employee Stock Option (Right to Buy)derivative
-7,580$0.00$07,582Sep 30, 2025
Sep 29, 2025Laura O'Shaughnessy
owner
MOption exercise
Employee Stock Option (Right to Buy)derivativeindirect: Spouse
-7,580$0.00$07,582Sep 30, 2025
50 of 100 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about GHC

Answered from the filings on this page, as of the latest one.

Are insiders buying GHC?

No. In the last 90 days no insider at Graham Holdings Co bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.

Who was the last insider to trade GHC on the open market?

Tony Allen (director) sold $6,600 of GHC on Jul 30, 2025 and filed the Form 4 on Mar 10, 2026. InsiderTell scored 25 (weak).

How many insiders file Form 4 at Graham Holdings Co?

11 people have filed a Form 4 at Graham Holdings Co, among them Tony Allen (director), Danielle Y. Conley (director), Christopher C Davis (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.