Nicole La Brosse Halozyme Therapeutics, Inc. (HALO) insider trading activity

Nicole La Brosse is SVP, CHIEF FINANCIAL OFFICER of HALOZYME THERAPEUTICS, INC.. Currently has a direct ownership of 22,079 shares of HALO, which is worth approximately $1.58 Million. The most recent transaction as insider was on Sep 22, 2025, when has been sold 2,227 shares (Common Stock) at a price of $78.25 per share, resulting in proceeds of $174,262. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 22.1K

30.79% 3M change

42.63% 12M change

Total Value Held $1.58 Million

Nicole LaBrosse Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 22 2025	SELL Open market or private sale	$174,262 $78.25 p/Share	2,227 Reduced 9.16%	22,079 Common Stock
Sep 10 2025	SELL Open market or private sale	$1,512,200 $75.61 p/Share	20,000 Reduced 45.14%	24,306 Common Stock
Sep 10 2025	BUY Exercise of conversion of derivative security	$152,345 $12.28 p/Share	12,406 Added 21.88%	44,306 Common Stock
Feb 23 2025	SELL Payment of exercise price or tax liability	$207,957 $57.75 p/Share	3,601 Reduced 10.14%	31,900 Common Stock
Feb 23 2025	BUY Exercise of conversion of derivative security	-	6,688 Added 15.85%	35,501 Common Stock
Feb 16 2025	SELL Payment of exercise price or tax liability	$874,991 $58.29 p/Share	15,011 Reduced 34.25%	28,813 Common Stock
Feb 16 2025	BUY Exercise of conversion of derivative security	-	27,831 Added 46.76%	31,682 Common Stock
Feb 15 2025	SELL Payment of exercise price or tax liability	$43,192 $58.29 p/Share	741 Reduced 4.43%	15,993 Common Stock
Feb 15 2025	BUY Exercise of conversion of derivative security	-	1,254 Added 6.97%	16,734 Common Stock
Jul 22 2024	SELL Open market or private sale	$270,250 $54.05 p/Share	5,000 Reduced 24.41%	15,480 Common Stock
Jul 22 2024	BUY Exercise of conversion of derivative security	$112,500 $22.5 p/Share	5,000 Added 23.29%	16,472 Common Stock
Jun 28 2024	SELL Open market or private sale	$520,400 $52.04 p/Share	10,000 Reduced 39.25%	15,480 Common Stock
Jun 28 2024	BUY Exercise of conversion of derivative security	$225,000 $22.5 p/Share	10,000 Added 28.18%	25,480 Common Stock
Jun 27 2024	SELL Open market or private sale	$519,300 $51.93 p/Share	10,000 Reduced 39.25%	15,480 Common Stock
Jun 27 2024	BUY Exercise of conversion of derivative security	$225,000 $22.5 p/Share	10,000 Added 28.18%	25,480 Common Stock
Jun 26 2024	SELL Open market or private sale	$518,200 $51.82 p/Share	10,000 Reduced 39.25%	15,480 Common Stock
Jun 26 2024	BUY Exercise of conversion of derivative security	$225,000 $22.5 p/Share	10,000 Added 28.18%	25,480 Common Stock
Feb 16 2024	SELL Payment of exercise price or tax liability	$202,196 $36.1 p/Share	5,601 Reduced 26.57%	15,480 Common Stock
Feb 16 2024	BUY Exercise of conversion of derivative security	-	10,422 Added 36.23%	18,344 Common Stock
Feb 15 2024	SELL Payment of exercise price or tax liability	$24,634 $35.91 p/Share	686 Reduced 6.05%	10,659 Common Stock
Feb 15 2024	BUY Exercise of conversion of derivative security	-	1,254 Added 9.95%	11,345 Common Stock
Feb 10 2024	SELL Payment of exercise price or tax liability	$52,418 $35.49 p/Share	1,477 Reduced 12.77%	10,091 Common Stock
Feb 10 2024	BUY Exercise of conversion of derivative security	-	2,502 Added 17.78%	11,568 Common Stock
Feb 16 2023	SELL Open market or private sale	$124,381 $49.26 p/Share	2,525 Reduced 21.78%	9,066 Common Stock
Feb 16 2023	BUY Exercise of conversion of derivative security	-	5,094 Added 30.53%	11,591 Common Stock

Nicole La Brosse

SVP, CHIEF FINANCIAL OFFICER

San Diego, CA

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