GHC

Graham Holdings Co

Insider trading activity for Graham Holdings Co, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 78 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Oct 1	Davis Christopher C	Director	AGRANT	24	$1,139.10	$27.3K	+0.4%	Open the original filing on SEC.gov
Oct 1	Markell Jack A.	Director	AGRANT	7	$1,139.10	$8K	+14.6%	Open the original filing on SEC.gov
Oct 1	Mulcahy Anne M	Director	AGRANT	21	$1,139.10	$23.9K	+2.8%	Open the original filing on SEC.gov
Oct 1	Wagoner G Richard Jr	Director	AGRANT	21	$1,139.10	$23.9K	+1.4%	Open the original filing on SEC.gov
Oct 1	Conley Danielle Y.	Director	AGRANT	19	$1,139.10	$21.6K	+4.1%	Open the original filing on SEC.gov
Aug 28	Maas, Jacob	Executive VP	FTAX	501	$1,159.23	$580.8K	-6.5%	Open the original filing on SEC.gov
Aug 28	Maas, Jacob	Executive VP	AGRANT	1,000	—	—	+15.0%	Open the original filing on SEC.gov
Aug 13	O'Shaughnessy Laura	10% Owner	JOTHER◆	4,211	—	—	—	Open the original filing on SEC.gov
Aug 13	O'Shaughnessy Laura	10% Owner	JOTHER◆	4,211	—	—	—	Open the original filing on SEC.gov
Aug 13	O'Shaughnessy Laura	10% Owner	JOTHER	4,211	—	—	-15.6%	Open the original filing on SEC.gov
Aug 13	O'Shaughnessy Timothy J	President and CEO	JOTHER◆	4,211	—	—	—	Open the original filing on SEC.gov
Aug 13	O'Shaughnessy Timothy J	President and CEO	JOTHER◆	4,211	—	—	—	Open the original filing on SEC.gov
Aug 13	O'Shaughnessy Timothy J	President and CEO	JOTHER	4,211	—	—	-15.6%	Open the original filing on SEC.gov
Aug 13	Graham Donald	Director, 10% Owner	JOTHER◆	12,633	—	—	—	Open the original filing on SEC.gov
Jul 1	Wagoner G Richard Jr	Director	AGRANT	21	$1,161.11	$24.4K	+1.4%	Open the original filing on SEC.gov
Jul 1	Mulcahy Anne M	Director	AGRANT	21	$1,161.11	$24.4K	+2.9%	Open the original filing on SEC.gov
Jul 1	Markell Jack A.	Director	AGRANT	7	$1,161.11	$8.1K	+17.1%	Open the original filing on SEC.gov
Jul 1	Davis Christopher C	Director	AGRANT	23	$1,161.11	$26.7K	+0.4%	Open the original filing on SEC.gov
Jul 1	Conley Danielle Y.	Director	AGRANT	19	$1,161.11	$22.1K	+4.3%	Open the original filing on SEC.gov
May 26	O'Shaughnessy Laura	10% Owner	JOTHER◆	6,000	—	—	—	Open the original filing on SEC.gov
May 26	O'Shaughnessy Laura	10% Owner	JOTHER	400	—	—	-1.5%	Open the original filing on SEC.gov
May 26	O'Shaughnessy Laura	10% Owner	JOTHER	5,600	—	—	-100.0%	Open the original filing on SEC.gov
May 26	Weymouth Katharine	Director	JOTHER◆	6,000	—	—	—	Open the original filing on SEC.gov
May 26	Weymouth Katharine	Director	JOTHER	6,000	—	—	+371.5%	Open the original filing on SEC.gov
May 26	O'Shaughnessy Timothy J	President and CEO	JOTHER◆	6,000	—	—	—	Open the original filing on SEC.gov
May 26	O'Shaughnessy Timothy J	President and CEO	JOTHER	400	—	—	-1.5%	Open the original filing on SEC.gov
May 26	O'Shaughnessy Timothy J	President and CEO	JOTHER	5,600	—	—	-100.0%	Open the original filing on SEC.gov
Apr 1	Wagoner G Richard Jr	Director	AGRANT	23	$1,061.70	$24.4K	+1.5%	Open the original filing on SEC.gov
Apr 1	Mulcahy Anne M	Director	AGRANT	23	$1,061.70	$24.4K	+3.2%	Open the original filing on SEC.gov
Apr 1	Markell Jack A.	Director	AGRANT	8	$1,061.70	$8.5K	+24.2%	Open the original filing on SEC.gov
Apr 1	Davis Christopher C	Director	AGRANT	25	$1,061.70	$26.5K	+0.4%	Open the original filing on SEC.gov
Apr 1	Conley Danielle Y.	Director	AGRANT	21	$1,061.70	$22.3K	+5.0%	Open the original filing on SEC.gov
Jan 16	Maas, Jacob	Executive VP	FTAX	377	$1,150.50	$433.7K	-5.4%	Open the original filing on SEC.gov
Jan 16	Maas, Jacob	Executive VP	AGRANT	1,000	—	—	+16.6%	Open the original filing on SEC.gov
Jan 2	Wagoner G Richard Jr	Director	AGRANT	22	$1,091.18	$24K	+1.5%	Open the original filing on SEC.gov
Jan 2	Mulcahy Anne M	Director	AGRANT	22	$1,091.18	$24K	+3.2%	Open the original filing on SEC.gov
Jan 2	Markell Jack A.	Director	AGRANT	8	$1,091.18	$8.7K	+32.0%	Open the original filing on SEC.gov
Jan 2	Davis Christopher C	Director	AGRANT	25	$1,091.18	$27.3K	+0.4%	Open the original filing on SEC.gov
Jan 2	Conley Danielle Y.	Director	AGRANT	20	$1,091.18	$21.8K	+5.0%	Open the original filing on SEC.gov
Dec 29, 2025	Weymouth Katharine	Director	JOTHER◆	36,000	—	—	—	Open the original filing on SEC.gov
Nov 11, 2025	O'Shaughnessy Laura	10% Owner	MEXER◆	7,582	—	—	—	Open the original filing on SEC.gov
Nov 11, 2025	O'Shaughnessy Laura	10% Owner	FTAX	6,839	$1,085.29	$7.4M	-19.9%	Open the original filing on SEC.gov
Nov 11, 2025	O'Shaughnessy Laura	10% Owner	MEXER	7,582	$872.01	$6.6M	+28.4%	Open the original filing on SEC.gov
Nov 11, 2025	O'Shaughnessy Timothy J	President and CEO	MEXER◆	7,582	—	—	—	Open the original filing on SEC.gov
Nov 11, 2025	O'Shaughnessy Timothy J	President and CEO	FTAX	6,839	$1,085.29	$7.4M	-19.9%	Open the original filing on SEC.gov
Nov 11, 2025	O'Shaughnessy Timothy J	President and CEO	MEXER	7,582	$872.01	$6.6M	+28.3%	Open the original filing on SEC.gov
Oct 20, 2025	Maas, Jacob	Executive VP	FTAX	501	$987.72	$494.8K	-7.7%	Open the original filing on SEC.gov
Oct 20, 2025	Maas, Jacob	Executive VP	AGRANT	1,000	—	—	+18.1%	Open the original filing on SEC.gov
Oct 7, 2025	O'Shaughnessy Timothy J	President and CEO	JOTHER◆	2,800	—	—	—	Open the original filing on SEC.gov
Oct 7, 2025	O'Shaughnessy Timothy J	President and CEO	JOTHER	2,800	—	—	-9.5%	Open the original filing on SEC.gov
Oct 7, 2025	O'Shaughnessy Laura	10% Owner	JOTHER◆	2,800	—	—	—	Open the original filing on SEC.gov
Oct 7, 2025	O'Shaughnessy Laura	10% Owner	JOTHER	2,800	—	—	-9.5%	Open the original filing on SEC.gov
Oct 1, 2025	Wagoner G Richard Jr	Director	AGRANT	21	$1,165.25	$24.5K	+1.4%	Open the original filing on SEC.gov
Oct 1, 2025	Mulcahy Anne M	Director	AGRANT	21	$1,165.25	$24.5K	+3.1%	Open the original filing on SEC.gov
Oct 1, 2025	Markell Jack A.	Director	AGRANT	7	$1,165.25	$8.2K	+38.9%	Open the original filing on SEC.gov
Oct 1, 2025	Davis Christopher C	Director	AGRANT	23	$1,165.25	$26.8K	+0.4%	Open the original filing on SEC.gov
Oct 1, 2025	Conley Danielle Y.	Director	AGRANT	19	$1,165.25	$22.1K	+5.0%	Open the original filing on SEC.gov
Sep 29, 2025	O'Shaughnessy Laura	10% Owner	MEXER◆	7,580	—	—	—	Open the original filing on SEC.gov
Sep 29, 2025	O'Shaughnessy Laura	10% Owner	FTAX	6,568	$1,190.80	$7.8M	-22.4%	Open the original filing on SEC.gov
Sep 29, 2025	O'Shaughnessy Laura	10% Owner	MEXER	7,580	$872.01	$6.6M	+34.9%	Open the original filing on SEC.gov
Sep 29, 2025	O'Shaughnessy Timothy J	President and CEO	MEXER◆	7,580	—	—	—	Open the original filing on SEC.gov
Sep 29, 2025	O'Shaughnessy Timothy J	President and CEO	FTAX	6,568	$1,190.80	$7.8M	-20.5%	Open the original filing on SEC.gov
Sep 29, 2025	O'Shaughnessy Timothy J	President and CEO	MEXER	7,580	$872.01	$6.6M	+31.0%	Open the original filing on SEC.gov
Aug 20, 2025	O'Shaughnessy Timothy J	President and CEO	MEXER◆	7,580	—	—	—	Open the original filing on SEC.gov
Aug 20, 2025	O'Shaughnessy Timothy J	President and CEO	FTAX	6,878	$1,070.83	$7.4M	-22.0%	Open the original filing on SEC.gov
Aug 20, 2025	O'Shaughnessy Timothy J	President and CEO	MEXER	7,580	$872.01	$6.6M	+31.9%	Open the original filing on SEC.gov
Aug 20, 2025	O'Shaughnessy Laura	10% Owner	MEXER◆	7,580	—	—	—	Open the original filing on SEC.gov
Aug 20, 2025	O'Shaughnessy Laura	10% Owner	FTAX	6,878	$1,070.83	$7.4M	-24.0%	Open the original filing on SEC.gov
Aug 20, 2025	O'Shaughnessy Laura	10% Owner	MEXER	7,580	$872.01	$6.6M	+36.0%	Open the original filing on SEC.gov
Aug 19, 2025	Maas, Jacob	Executive VP	MEXER◆	2,000	—	—	—	Open the original filing on SEC.gov
Aug 19, 2025	Maas, Jacob	Executive VP	FTAX	1,752	$1,071.80	$1.9M	-24.0%	Open the original filing on SEC.gov
Aug 19, 2025	Maas, Jacob	Executive VP	MEXER	2,000	$804.80	$1.6M	+37.8%	Open the original filing on SEC.gov
Jul 30, 2025	Allen Tony	Director	SSELL	7	$942.89	$6.6K	-46.7%	Open the original filing on SEC.gov
Jul 1, 2025	Mulcahy Anne M	Director	AGRANT	26	$954.49	$24.8K	+4.0%	Open the original filing on SEC.gov
Jul 1, 2025	Wagoner G Richard Jr	Director	AGRANT	26	$954.49	$24.8K	+1.8%	Open the original filing on SEC.gov
Jul 1, 2025	Markell Jack A.	Director	AGRANT	9	$954.49	$8.6K	+100.0%	Open the original filing on SEC.gov
Jul 1, 2025	Davis Christopher C	Director	AGRANT	28	$954.49	$26.7K	+0.5%	Open the original filing on SEC.gov
Jul 1, 2025	Conley Danielle Y.	Director	AGRANT	23	$954.49	$22K	+6.4%	Open the original filing on SEC.gov

AGRANT$27.3K

Davis Christopher C · DirectorOct 1

24 sh @ $1,139.10 · +0.4% own

AGRANT$8K

Markell Jack A. · DirectorOct 1

7 sh @ $1,139.10 · +14.6% own

AGRANT$23.9K

Mulcahy Anne M · DirectorOct 1

21 sh @ $1,139.10 · +2.8% own

AGRANT$23.9K

Wagoner G Richard Jr · DirectorOct 1

21 sh @ $1,139.10 · +1.4% own

AGRANT$21.6K

Conley Danielle Y. · DirectorOct 1

19 sh @ $1,139.10 · +4.1% own

FTAX$580.8K

Maas, Jacob · Executive VPAug 28

501 sh @ $1,159.23 · -6.5% own

AGRANT—

Maas, Jacob · Executive VPAug 28

1,000 sh · +15.0% own

JOTHER◆—

O'Shaughnessy Laura · 10% OwnerAug 13

4,211 sh

JOTHER◆—

O'Shaughnessy Laura · 10% OwnerAug 13

4,211 sh

JOTHER—

O'Shaughnessy Laura · 10% OwnerAug 13

4,211 sh · -15.6% own

JOTHER◆—

O'Shaughnessy Timothy J · President and CEOAug 13

4,211 sh

JOTHER◆—

O'Shaughnessy Timothy J · President and CEOAug 13

4,211 sh

JOTHER—

O'Shaughnessy Timothy J · President and CEOAug 13

4,211 sh · -15.6% own

JOTHER◆—

Graham Donald · Director, 10%…Aug 13

12,633 sh

AGRANT$24.4K

Wagoner G Richard Jr · DirectorJul 1

21 sh @ $1,161.11 · +1.4% own

AGRANT$24.4K

Mulcahy Anne M · DirectorJul 1

21 sh @ $1,161.11 · +2.9% own

AGRANT$8.1K

Markell Jack A. · DirectorJul 1

7 sh @ $1,161.11 · +17.1% own

AGRANT$26.7K

Davis Christopher C · DirectorJul 1

23 sh @ $1,161.11 · +0.4% own

AGRANT$22.1K

Conley Danielle Y. · DirectorJul 1

19 sh @ $1,161.11 · +4.3% own

JOTHER◆—

O'Shaughnessy Laura · 10% OwnerMay 26

6,000 sh

JOTHER—

O'Shaughnessy Laura · 10% OwnerMay 26

400 sh · -1.5% own

JOTHER—

O'Shaughnessy Laura · 10% OwnerMay 26

5,600 sh · -100.0% own

JOTHER◆—

Weymouth Katharine · DirectorMay 26

6,000 sh

JOTHER—

Weymouth Katharine · DirectorMay 26

6,000 sh · +371.5% own

JOTHER◆—

O'Shaughnessy Timothy J · President and CEOMay 26

6,000 sh

JOTHER—

O'Shaughnessy Timothy J · President and CEOMay 26

400 sh · -1.5% own

JOTHER—

O'Shaughnessy Timothy J · President and CEOMay 26

5,600 sh · -100.0% own

AGRANT$24.4K

Wagoner G Richard Jr · DirectorApr 1

23 sh @ $1,061.70 · +1.5% own

AGRANT$24.4K

Mulcahy Anne M · DirectorApr 1

23 sh @ $1,061.70 · +3.2% own

AGRANT$8.5K

Markell Jack A. · DirectorApr 1

8 sh @ $1,061.70 · +24.2% own

AGRANT$26.5K

Davis Christopher C · DirectorApr 1

25 sh @ $1,061.70 · +0.4% own

AGRANT$22.3K

Conley Danielle Y. · DirectorApr 1

21 sh @ $1,061.70 · +5.0% own

FTAX$433.7K

Maas, Jacob · Executive VPJan 16

377 sh @ $1,150.50 · -5.4% own

AGRANT—

Maas, Jacob · Executive VPJan 16

1,000 sh · +16.6% own

AGRANT$24K

Wagoner G Richard Jr · DirectorJan 2

22 sh @ $1,091.18 · +1.5% own

AGRANT$24K

Mulcahy Anne M · DirectorJan 2

22 sh @ $1,091.18 · +3.2% own

AGRANT$8.7K

Markell Jack A. · DirectorJan 2

8 sh @ $1,091.18 · +32.0% own

AGRANT$27.3K

Davis Christopher C · DirectorJan 2

25 sh @ $1,091.18 · +0.4% own

AGRANT$21.8K

Conley Danielle Y. · DirectorJan 2

20 sh @ $1,091.18 · +5.0% own

JOTHER◆—

Weymouth Katharine · DirectorDec 29, 2025

36,000 sh

MEXER◆—

O'Shaughnessy Laura · 10% OwnerNov 11, 2025

7,582 sh

FTAX$7.4M

O'Shaughnessy Laura · 10% OwnerNov 11, 2025

6,839 sh @ $1,085.29 · -19.9% own

MEXER$6.6M

O'Shaughnessy Laura · 10% OwnerNov 11, 2025

7,582 sh @ $872.01 · +28.4% own

MEXER◆—

O'Shaughnessy Timothy J · President and CEONov 11, 2025

7,582 sh

FTAX$7.4M

O'Shaughnessy Timothy J · President and CEONov 11, 2025

6,839 sh @ $1,085.29 · -19.9% own

MEXER$6.6M

O'Shaughnessy Timothy J · President and CEONov 11, 2025

7,582 sh @ $872.01 · +28.3% own

FTAX$494.8K

Maas, Jacob · Executive VPOct 20, 2025

501 sh @ $987.72 · -7.7% own

AGRANT—

Maas, Jacob · Executive VPOct 20, 2025

1,000 sh · +18.1% own

JOTHER◆—

O'Shaughnessy Timothy J · President and CEOOct 7, 2025

2,800 sh

JOTHER—

O'Shaughnessy Timothy J · President and CEOOct 7, 2025

2,800 sh · -9.5% own

JOTHER◆—

O'Shaughnessy Laura · 10% OwnerOct 7, 2025

2,800 sh

JOTHER—

O'Shaughnessy Laura · 10% OwnerOct 7, 2025

2,800 sh · -9.5% own

AGRANT$24.5K

Wagoner G Richard Jr · DirectorOct 1, 2025

21 sh @ $1,165.25 · +1.4% own

AGRANT$24.5K

Mulcahy Anne M · DirectorOct 1, 2025

21 sh @ $1,165.25 · +3.1% own

AGRANT$8.2K

Markell Jack A. · DirectorOct 1, 2025

7 sh @ $1,165.25 · +38.9% own

AGRANT$26.8K

Davis Christopher C · DirectorOct 1, 2025

23 sh @ $1,165.25 · +0.4% own

AGRANT$22.1K

Conley Danielle Y. · DirectorOct 1, 2025

19 sh @ $1,165.25 · +5.0% own

MEXER◆—

O'Shaughnessy Laura · 10% OwnerSep 29, 2025

7,580 sh

FTAX$7.8M

O'Shaughnessy Laura · 10% OwnerSep 29, 2025

6,568 sh @ $1,190.80 · -22.4% own

MEXER$6.6M

O'Shaughnessy Laura · 10% OwnerSep 29, 2025

7,580 sh @ $872.01 · +34.9% own

MEXER◆—

O'Shaughnessy Timothy J · President and CEOSep 29, 2025

7,580 sh

FTAX$7.8M

O'Shaughnessy Timothy J · President and CEOSep 29, 2025

6,568 sh @ $1,190.80 · -20.5% own

MEXER$6.6M

O'Shaughnessy Timothy J · President and CEOSep 29, 2025

7,580 sh @ $872.01 · +31.0% own

MEXER◆—

O'Shaughnessy Timothy J · President and CEOAug 20, 2025

7,580 sh

FTAX$7.4M

O'Shaughnessy Timothy J · President and CEOAug 20, 2025

6,878 sh @ $1,070.83 · -22.0% own

MEXER$6.6M

O'Shaughnessy Timothy J · President and CEOAug 20, 2025

7,580 sh @ $872.01 · +31.9% own

MEXER◆—

O'Shaughnessy Laura · 10% OwnerAug 20, 2025

7,580 sh

FTAX$7.4M

O'Shaughnessy Laura · 10% OwnerAug 20, 2025

6,878 sh @ $1,070.83 · -24.0% own

MEXER$6.6M

O'Shaughnessy Laura · 10% OwnerAug 20, 2025

7,580 sh @ $872.01 · +36.0% own

MEXER◆—

Maas, Jacob · Executive VPAug 19, 2025

2,000 sh

FTAX$1.9M

Maas, Jacob · Executive VPAug 19, 2025

1,752 sh @ $1,071.80 · -24.0% own

MEXER$1.6M

Maas, Jacob · Executive VPAug 19, 2025

2,000 sh @ $804.80 · +37.8% own

SSELL$6.6K

Allen Tony · DirectorJul 30, 2025

7 sh @ $942.89 · -46.7% own

AGRANT$24.8K

Mulcahy Anne M · DirectorJul 1, 2025

26 sh @ $954.49 · +4.0% own

AGRANT$24.8K

Wagoner G Richard Jr · DirectorJul 1, 2025

26 sh @ $954.49 · +1.8% own

AGRANT$8.6K

Markell Jack A. · DirectorJul 1, 2025

9 sh @ $954.49 · +100.0% own

AGRANT$26.7K

Davis Christopher C · DirectorJul 1, 2025

28 sh @ $954.49 · +0.5% own

AGRANT$22K

Conley Danielle Y. · DirectorJul 1, 2025

23 sh @ $954.49 · +6.4% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

1 of 49 filings we hold was filed after the two-business-day deadline. The furthest past the deadline was 148 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Jul 30, 2025	Mar 9	Allen TonyDirector	148days · about 7 months	$6.6K	Filing ↗

Allen TonyDirector

148days · about 7 months

Traded Jul 30, 2025 · filed Mar 9Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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