Maas, Jacob Graham Holdings CO (GHC) insider trading activity

Maas, Jacob is Executive VP of Graham Holdings Co. Currently has a direct ownership of 6,034 shares of GHC, which is worth approximately $6.63 Million. The most recent transaction as insider was on Oct 20, 2025, when has been sold 501 shares (Class B Common Stock) at a price of $987.72 per share, resulting in proceeds of $494,847. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 6.03K

14.13% 3M change

32.56% 12M change

Total Value Held $6.63 Million

Maas, Jacob Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 20 2025	SELL Payment of exercise price or tax liability	$494,847 $987.72 p/Share	501 Reduced 7.67%	6,034 Class B Common Stock
Oct 20 2025	BUY Grant, award, or other acquisition	-	1,000 Added 13.27%	6,535 Class B Common Stock
Aug 19 2025	SELL Payment of exercise price or tax liability	$1,877,793 $1071.8 p/Share	1,752 Reduced 24.04%	5,535 Class B Common Stock
Aug 19 2025	BUY Exercise of conversion of derivative security	$1,609,600 $804.8 p/Share	2,000 Added 21.54%	7,287 Class B Common Stock
Jan 27 2025	SELL Payment of exercise price or tax liability	$402,197 $918.26 p/Share	438 Reduced 7.65%	5,287 Class B Common Stock
Jan 27 2025	BUY Grant, award, or other acquisition	-	1,000 Added 14.87%	5,725 Class B Common Stock
Jan 02 2025	SELL Payment of exercise price or tax liability	$224,070 $871.87 p/Share	257 Reduced 5.16%	4,725 Class B Common Stock
Jan 02 2025	BUY Grant, award, or other acquisition	-	430 Added 7.95%	4,982 Class B Common Stock
Nov 05 2024	BUY Grant, award, or other acquisition	-	1,000 Added 18.01%	4,552 Class B Common Stock
Jan 03 2023	BUY Grant, award, or other acquisition	-	616 Added 14.78%	3,552 Class B Common Stock
Jan 19 2022	BUY Grant, award, or other acquisition	-	1,000 Added 25.41%	2,936 Class A Common Stock
Jan 04 2021	BUY Grant, award, or other acquisition	-	700 Added 26.56%	1,936 Class B Common Stock
Feb 27 2020	BUY Open market or private purchase	$99,332 $473.01 p/Share	210 Added 14.52%	1,236 Class B Common Stock
Jan 02 2019	BUY Grant, award, or other acquisition	-	600 Added 36.9%	1,026 Class B Common Stock

Maas, Jacob

Executive VP

Arlington, VA

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