Mark Howard Snyder Halozyme Therapeutics, Inc. (HALO) insider trading activity

Mark Howard Snyder is SVP, CHIEF LEGAL OFFICER of HALOZYME THERAPEUTICS, INC.. Currently has a direct ownership of 34,181 shares of HALO, which is worth approximately $2.39 Million. The most recent transaction as insider was on Jan 03, 2026, when has been sold 4,243 shares (Common Stock) at a price of $70.31 per share, resulting in proceeds of $298,325. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 34.2K

10.93% 3M change

127.84% 12M change

Total Value Held $2.39 Million

Mark Howard Snyder Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 03 2026	SELL Payment of exercise price or tax liability	$298,325 $70.31 p/Share	4,243 Reduced 11.04%	34,181 Common Stock
Jan 03 2026	BUY Exercise of conversion of derivative security	-	7,611 Added 16.53%	38,424 Common Stock
Jun 12 2025	SELL Payment of exercise price or tax liability	$147,857 $54.54 p/Share	2,711 Reduced 8.09%	30,813 Common Stock
Jun 12 2025	BUY Exercise of conversion of derivative security	-	5,035 Added 13.06%	33,524 Common Stock
Feb 23 2025	SELL Payment of exercise price or tax liability	$218,006 $57.75 p/Share	3,775 Reduced 11.7%	28,489 Common Stock
Feb 23 2025	BUY Exercise of conversion of derivative security	-	7,012 Added 17.85%	32,264 Common Stock
Feb 16 2025	SELL Payment of exercise price or tax liability	$696,856 $58.29 p/Share	11,955 Reduced 32.13%	25,252 Common Stock

Feb 16 2025	BUY Exercise of conversion of derivative security	-	22,205 Added 44.38%	27,834 Common Stock
Jan 03 2025	SELL Payment of exercise price or tax liability	$204,756 $47.74 p/Share	4,289 Reduced 22.23%	15,002 Common Stock
Jan 03 2025	BUY Exercise of conversion of derivative security	-	7,611 Added 28.29%	19,291 Common Stock
Feb 16 2024	SELL Payment of exercise price or tax liability	$93,029 $36.1 p/Share	2,577 Reduced 18.08%	11,680 Common Stock
Feb 16 2024	BUY Exercise of conversion of derivative security	-	4,796 Added 25.17%	14,257 Common Stock
Jan 03 2024	SELL Payment of exercise price or tax liability	$105,801 $35.78 p/Share	2,957 Reduced 23.81%	9,461 Common Stock
Jan 03 2024	BUY Exercise of conversion of derivative security	-	7,611 Added 38.0%	12,418 Common Stock
Jan 03 2023	SELL Payment of exercise price or tax liability	$154,584 $55.13 p/Share	2,804 Reduced 36.84%	4,807 Common Stock
Jan 03 2023	BUY Exercise of conversion of derivative security	-	7,611 Added 50.0%	7,611 Common Stock

MHS

Mark Howard Snyder

SVP, CHIEF LEGAL OFFICER

San Diego, CA

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