Helen Torley Insider Trading Activity
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.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 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
Pro: Trade MarkersHALO · HALOZYME THERAPEUTICS, INC.
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Showing the 50 most recent of 79 disclosed trades.
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 13, 2026 | HALO | Sell | 3,350 | $68.88 | $231K | −0.4% | CEO | |
May 13, 2026 | HALO | Sell | 3,950 | $69.79 | $276K | −0.5% | CEO | |
May 13, 2026 | HALO | Sell | 600 | $70.81 | $42K | −0.1% | CEO | |
May 13, 2026 | HALO | Sell | 2,100 | $68.10 | $143K | −0.3% | CEO | |
May 12, 2026 | HALO | Sell | 1,398 | $70.29 | $98K | −0.2% | CEO | |
May 12, 2026 | HALO | Sell | 9,802 | $71.37 | $700K | −1.2% | CEO | |
May 12, 2026 | HALO | Sell | 5,900 | $72.15 | $426K | −0.8% | CEO | |
May 12, 2026 | HALO | Sell | 2,800 | $73.12 | $205K | −0.4% | CEO | |
May 12, 2026 | HALO | Sell | 100 | $67.85 | $7K | −0.0% | CEO | |
May 11, 2026 | HALO | Sell | 9,725 | $64.63 | $629K | −1.2% | CEO | |
May 11, 2026 | HALO | Sell | 6,700 | $66.33 | $444K | −0.9% | CEO | |
May 11, 2026 | HALO | Sell | 3,575 | $65.46 | $234K | −0.5% | CEO | |
Apr 6, 2026 | HALO | Sell | 5,900 | $63.14 | $373K | −0.8% | CEO | |
Apr 6, 2026 | HALO | Sell | 4,100 | $64.02 | $262K | −0.5% | CEO | |
Apr 2, 2026 | HALO | Sell | 15,800 | $64.06 | $1.0M | −2.0% | CEO | |
Apr 2, 2026 | HALO | Sell | 4,200 | $64.89 | $273K | −0.5% | CEO | |
Apr 1, 2026 | HALO | Sell | 19,000 | $65.36 | $1.2M | −2.4% | CEO | |
Apr 1, 2026 | HALO | Sell | 1,000 | $65.71 | $66K | −0.1% | CEO | |
Mar 4, 2026 | HALO | Sell | 7,329 | $69.94 | $513K | −0.9% | CEO | |
Mar 4, 2026 | HALO | Sell | 2,671 | $70.94 | $189K | −0.3% | CEO | |
Mar 3, 2026 | HALO | Sell | 6,519 | $69.33 | $452K | −0.8% | CEO | |
Mar 3, 2026 | HALO | Sell | 13,481 | $68.85 | $928K | −1.7% | CEO | |
Mar 2, 2026 | HALO | Sell | 4,100 | $69.20 | $284K | −0.5% | CEO | |
Mar 2, 2026 | HALO | Sell | 15,322 | $69.80 | $1.1M | −2.0% | CEO | |
Mar 2, 2026 | HALO | Sell | 578 | $70.46 | $41K | −0.1% | CEO | |
Feb 5, 2026 | HALO | Sell | 4,624 | $78.94 | $365K | −0.6% | CEO | |
Feb 5, 2026 | HALO | Sell | 5,376 | $78.38 | $421K | −0.7% | CEO | |
Feb 4, 2026 | HALO | Sell | 9,900 | $76.94 | $762K | −1.4% | CEO | |
Feb 4, 2026 | HALO | Sell | 10,100 | $77.54 | $783K | −1.4% | CEO | |
Feb 3, 2026 | HALO | Sell | 2,551 | $74.88 | $191K | −0.4% | CEO | |
Feb 3, 2026 | HALO | Sell | 9,659 | $75.94 | $734K | −1.3% | CEO | |
Feb 3, 2026 | HALO | Sell | 7,790 | $76.73 | $598K | −1.1% | CEO | |
Dec 1, 2025 | HALO | Sell | 10,406 | $68.51 | $713K | −1.4% | CEO | |
Dec 1, 2025 | HALO | Sell | 5,402 | $69.44 | $375K | −0.8% | CEO | |
Dec 1, 2025 | HALO | Sell | 500 | $70.36 | $35K | −0.1% | CEO | |
Dec 1, 2025 | HALO | Sell | 261 | $71.60 | $19K | −0.0% | CEO | |
Nov 12, 2025 | HALO | Sell | 498 | $71.67 | $36K | −0.1% | CEO | |
Nov 12, 2025 | HALO | Sell | 6,784 | $71.09 | $482K | −0.9% | CEO | |
Nov 12, 2025 | HALO | Sell | 12,718 | $70.22 | $893K | −1.7% | CEO | |
Nov 11, 2025 | HALO | Sell | 4,000 | $68.80 | $275K | −0.5% | CEO | |
Nov 11, 2025 | HALO | Sell | 4,500 | $67.89 | $306K | −0.6% | CEO | |
Nov 11, 2025 | HALO | Sell | 11,500 | $69.73 | $802K | −1.5% | CEO | |
Nov 10, 2025 | HALO | Sell | 100 | $69.30 | $7K | −0.0% | CEO | |
Nov 10, 2025 | HALO | Sell | 19,900 | $68.71 | $1.4M | −2.6% | CEO | |
Oct 3, 2025 | HALO | Sell | 724 | $71.67 | $52K | −0.1% | CEO | |
Oct 3, 2025 | HALO | Sell | 14,235 | $68.47 | $975K | −1.9% | CEO | |
Oct 3, 2025 | HALO | Sell | 2,334 | $69.83 | $163K | −0.3% | CEO | |
Oct 3, 2025 | HALO | Sell | 2,707 | $70.58 | $191K | −0.4% | CEO | |
Oct 2, 2025 | HALO | Sell | 6,600 | $70.51 | $465K | −0.9% | CEO | |
Oct 2, 2025 | HALO | Sell | 10,200 | $71.28 | $727K | −1.4% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| HALO | HALOZYME THERAPEUTICS, INC. | 79 | $38.4M |
Other insiders at HALOZYME THERAPEUTICS, INC.
3 other tracked filers at HALO.