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 69 sales across 1 company.

HALO is the most-traded position with 69 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+1.8%68%79
90 days-4.7%49%67
120 days-2.1%62%61

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.

DATETICKERTYPESHARESPRICEVALUEΔ OWNEDROLEFILING
May 13, 2026
HALOSell3,350$68.88$231K−0.4%CEO
May 13, 2026
HALOSell3,950$69.79$276K−0.5%CEO
May 13, 2026
HALOSell600$70.81$42K−0.1%CEO
May 13, 2026
HALOSell2,100$68.10$143K−0.3%CEO
May 12, 2026
HALOSell1,398$70.29$98K−0.2%CEO
May 12, 2026
HALOSell9,802$71.37$700K−1.2%CEO
May 12, 2026
HALOSell5,900$72.15$426K−0.8%CEO
May 12, 2026
HALOSell2,800$73.12$205K−0.4%CEO
May 12, 2026
HALOSell100$67.85$7K−0.0%CEO
May 11, 2026
HALOSell9,725$64.63$629K−1.2%CEO
May 11, 2026
HALOSell6,700$66.33$444K−0.9%CEO
May 11, 2026
HALOSell3,575$65.46$234K−0.5%CEO
Apr 6, 2026
HALOSell5,900$63.14$373K−0.8%CEO
Apr 6, 2026
HALOSell4,100$64.02$262K−0.5%CEO
Apr 2, 2026
HALOSell15,800$64.06$1.0M−2.0%CEO
Apr 2, 2026
HALOSell4,200$64.89$273K−0.5%CEO
Apr 1, 2026
HALOSell19,000$65.36$1.2M−2.4%CEO
Apr 1, 2026
HALOSell1,000$65.71$66K−0.1%CEO
Mar 4, 2026
HALOSell7,329$69.94$513K−0.9%CEO
Mar 4, 2026
HALOSell2,671$70.94$189K−0.3%CEO
Mar 3, 2026
HALOSell6,519$69.33$452K−0.8%CEO
Mar 3, 2026
HALOSell13,481$68.85$928K−1.7%CEO
Mar 2, 2026
HALOSell4,100$69.20$284K−0.5%CEO
Mar 2, 2026
HALOSell15,322$69.80$1.1M−2.0%CEO
Mar 2, 2026
HALOSell578$70.46$41K−0.1%CEO
Feb 5, 2026
HALOSell4,624$78.94$365K−0.6%CEO
Feb 5, 2026
HALOSell5,376$78.38$421K−0.7%CEO
Feb 4, 2026
HALOSell9,900$76.94$762K−1.4%CEO
Feb 4, 2026
HALOSell10,100$77.54$783K−1.4%CEO
Feb 3, 2026
HALOSell2,551$74.88$191K−0.4%CEO
Feb 3, 2026
HALOSell9,659$75.94$734K−1.3%CEO
Feb 3, 2026
HALOSell7,790$76.73$598K−1.1%CEO
Dec 1, 2025
HALOSell10,406$68.51$713K−1.4%CEO
Dec 1, 2025
HALOSell5,402$69.44$375K−0.8%CEO
Dec 1, 2025
HALOSell500$70.36$35K−0.1%CEO
Dec 1, 2025
HALOSell261$71.60$19K−0.0%CEO
Nov 12, 2025
HALOSell498$71.67$36K−0.1%CEO
Nov 12, 2025
HALOSell6,784$71.09$482K−0.9%CEO
Nov 12, 2025
HALOSell12,718$70.22$893K−1.7%CEO
Nov 11, 2025
HALOSell4,000$68.80$275K−0.5%CEO
Nov 11, 2025
HALOSell4,500$67.89$306K−0.6%CEO
Nov 11, 2025
HALOSell11,500$69.73$802K−1.5%CEO
Nov 10, 2025
HALOSell100$69.30$7K−0.0%CEO
Nov 10, 2025
HALOSell19,900$68.71$1.4M−2.6%CEO
Oct 3, 2025
HALOSell724$71.67$52K−0.1%CEO
Oct 3, 2025
HALOSell14,235$68.47$975K−1.9%CEO
Oct 3, 2025
HALOSell2,334$69.83$163K−0.3%CEO
Oct 3, 2025
HALOSell2,707$70.58$191K−0.4%CEO
Oct 2, 2025
HALOSell6,600$70.51$465K−0.9%CEO
Oct 2, 2025
HALOSell10,200$71.28$727K−1.4%CEO

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
HALOHALOZYME THERAPEUTICS, INC.79$38.4M

Other insiders at HALOZYME THERAPEUTICS, INC.

3 other tracked filers at HALO.