Helen Torley Insider Trading Activity

Corporate InsiderCEO · CIK 1528185

79

Total trades

$38.4M

Total volume

May 13, 2026

Last activity

HALO

HALOZYME THERAPEUTICS, INC.

Helen Torley has been net-selling over the last 12 months with 0 purchases and 79 sales across 1 company.

HALO is the most-traded position with 79 trades. The largest single transaction was a sale of HALO for $1.4M on Nov 10, 2025.

Performance Scorecard

Forward stock performance after each transaction by Helen Torley. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days—+2.3%72%67
90 days—-3.0%54%61
120 days—-0.8%70%54

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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HALO · HALOZYME THERAPEUTICS, INC.

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Recent Trades

Showing the 50 most recent of 79 disclosed trades.

DATETICKERTYPESHARESPRICEVALUEROLE
May 13, 2026HALOSell3,350$68.88$231KCEO
May 13, 2026HALOSell3,950$69.79$276KCEO
May 13, 2026HALOSell600$70.81$42KCEO
May 13, 2026HALOSell2,100$68.10$143KCEO
May 12, 2026HALOSell1,398$70.29$98KCEO
May 12, 2026HALOSell9,802$71.37$700KCEO
May 12, 2026HALOSell5,900$72.15$426KCEO
May 12, 2026HALOSell2,800$73.12$205KCEO
May 12, 2026HALOSell100$67.85$7KCEO
May 11, 2026HALOSell9,725$64.63$629KCEO
May 11, 2026HALOSell6,700$66.33$444KCEO
May 11, 2026HALOSell3,575$65.46$234KCEO
Apr 6, 2026HALOSell5,900$63.14$373KCEO
Apr 6, 2026HALOSell4,100$64.02$262KCEO
Apr 2, 2026HALOSell15,800$64.06$1.0MCEO
Apr 2, 2026HALOSell4,200$64.89$273KCEO
Apr 1, 2026HALOSell19,000$65.36$1.2MCEO
Apr 1, 2026HALOSell1,000$65.71$66KCEO
Mar 4, 2026HALOSell7,329$69.94$513KCEO
Mar 4, 2026HALOSell2,671$70.94$189KCEO
Mar 3, 2026HALOSell6,519$69.33$452KCEO
Mar 3, 2026HALOSell13,481$68.85$928KCEO
Mar 2, 2026HALOSell4,100$69.20$284KCEO
Mar 2, 2026HALOSell15,322$69.80$1.1MCEO
Mar 2, 2026HALOSell578$70.46$41KCEO
Feb 5, 2026HALOSell4,624$78.94$365KCEO
Feb 5, 2026HALOSell5,376$78.38$421KCEO
Feb 4, 2026HALOSell9,900$76.94$762KCEO
Feb 4, 2026HALOSell10,100$77.54$783KCEO
Feb 3, 2026HALOSell2,551$74.88$191KCEO
Feb 3, 2026HALOSell9,659$75.94$734KCEO
Feb 3, 2026HALOSell7,790$76.73$598KCEO
Dec 1, 2025HALOSell10,406$68.51$713KCEO
Dec 1, 2025HALOSell5,402$69.44$375KCEO
Dec 1, 2025HALOSell500$70.36$35KCEO
Dec 1, 2025HALOSell261$71.60$19KCEO
Nov 12, 2025HALOSell498$71.67$36KCEO
Nov 12, 2025HALOSell6,784$71.09$482KCEO
Nov 12, 2025HALOSell12,718$70.22$893KCEO
Nov 11, 2025HALOSell4,000$68.80$275KCEO
Nov 11, 2025HALOSell4,500$67.89$306KCEO
Nov 11, 2025HALOSell11,500$69.73$802KCEO
Nov 10, 2025HALOSell100$69.30$7KCEO
Nov 10, 2025HALOSell19,900$68.71$1.4MCEO
Oct 3, 2025HALOSell724$71.67$52KCEO
Oct 3, 2025HALOSell14,235$68.47$975KCEO
Oct 3, 2025HALOSell2,334$69.83$163KCEO
Oct 3, 2025HALOSell2,707$70.58$191KCEO
Oct 2, 2025HALOSell6,600$70.51$465KCEO
Oct 2, 2025HALOSell10,200$71.28$727KCEO

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
HALOHALOZYME THERAPEUTICS, INC.79$38.4M

Other insiders at HALOZYME THERAPEUTICS, INC.

3 other tracked filers at HALO.

Connaughton Bernadette

Director

9

Trades

Caudill Cortney

COO

4

Trades

Labrosse Nicole

CFO

4

Trades