HALO HALOZYME THERAPEUTICS, INC.
Nasdaq · SEC CIK 1159036 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $45.67M 24 sales by 5 insiders
- Filings on record
- 206 since 2021-07-06, latest 2026-09-17 17:19
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Torley Helen | Pres AND CEO, Dir | — | $39.85M |
| Caudill Cortney | SVP, COO | — | $2.23M |
| Posard Matthew L. | Dir | — | $2.05M |
| Connaughton Bernadette | Dir | — | $989.9K |
| Krishnan Mahesh | Dir | — | $547.8K |
| LaBrosse Nicole | SVP, CFO | — | — |
| Snyder Mark Howard | SVP, CLO | — | — |
| Appelhans Dannielle | Dir | — | — |
| Lang James Paul | Dir | — | — |
| DUNCAN BARBARA GAYLE | Dir | — | — |
Transactions 295
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-17 17:19 | 2026-09-16 | HALO | Posard Matthew L. | Dir | S - Sale | $107.74 | -19.0K | 58.8K | -24% | -$2.05M |
| DMT | 2026-09-11 20:35 | 2026-09-09+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $18.41 | +60.0K | 787.8K | +8% | +$1.10M |
| DMT | 2026-09-11 20:35 | 2026-09-09+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $107.28 | -60.0K | 767.8K | -7% | -$6.44M |
| D | 2026-09-02 16:59 | 2026-09-01 | HALO | Appelhans Dannielle | Dir | A - Grant | $0.00 | +1,161 | 1,161 | New | $0 |
| DMT | 2026-08-19 20:01 | 2026-08-17+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $18.41 | +60.0K | 787.8K | +8% | +$1.10M |
| DMT | 2026-08-19 20:01 | 2026-08-17+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $104.59 | -60.0K | 767.8K | -7% | -$6.28M |
| T | 2026-08-11 17:43 | 2026-08-10 | HALO | Connaughton Bernadette | Dir | S - Sale | $102.80 | -1,626 | 40.4K | -4% | -$167.2K |
| DT | 2026-07-09 17:19 | 2026-07-08 | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $12.07 | +1,923 | 769.7K | +0.3% | +$23.2K |
| DMT | 2026-07-09 17:19 | 2026-07-08 | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $79.77 | -1,923 | 767.8K | -0.2% | -$153.4K |
| D | 2026-07-02 16:45 | 2026-06-30 | HALO | RAMSAY DAVID A | EVP, Pres, DRUG DELIVERY | M - OptEx | $0.00 | +10.0K | 10.0K | New | $0 |
| D | 2026-07-02 16:45 | 2026-06-30 | HALO | RAMSAY DAVID A | EVP, Pres, DRUG DELIVERY | F - Tax | $78.27 | -5,408 | 4,592 | -54% | -$423.3K |
| MT | 2026-07-02 16:42 | 2026-07-01 | HALO | Connaughton Bernadette | Dir | S - Sale | $76.71 | -1,625 | 42.0K | -4% | -$124.7K |
| DT | 2026-06-30 17:25 | 2026-06-29 | HALO | Krishnan Mahesh | Dir | M - OptEx | $38.46 | +7,304 | 21.8K | +51% | +$280.9K |
| DT | 2026-06-30 17:25 | 2026-06-29 | HALO | Krishnan Mahesh | Dir | S - Sale+OE | $75.00 | -7,304 | 14.5K | -34% | -$547.8K |
| D | 2026-06-15 16:09 | 2026-06-12 | HALO | Snyder Mark Howard | SVP, CLO | M - OptEx | $0.00 | +5,034 | 52.6K | +11% | $0 |
| D | 2026-06-15 16:09 | 2026-06-12 | HALO | Snyder Mark Howard | SVP, CLO | F - Tax | $69.50 | -2,715 | 49.9K | -5% | -$188.7K |
| DMT | 2026-06-03 20:06 | 2026-06-01+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $12.07 | +50.0K | 777.8K | +7% | +$603.5K |
| DMT | 2026-06-03 20:06 | 2026-06-01+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $67.40 | -50.0K | 767.8K | -6% | -$3.37M |
| T | 2026-06-02 17:20 | 2026-06-01 | HALO | Connaughton Bernadette | Dir | S - Sale | $66.21 | -1,625 | 43.7K | -4% | -$107.6K |
| DMT | 2026-05-13 17:50 | 2026-05-11+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $12.07 | +50.0K | 777.8K | +7% | +$603.5K |
| DMT | 2026-05-13 17:50 | 2026-05-11+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $68.68 | -50.0K | 767.8K | -6% | -$3.43M |
| D | 2026-05-07 19:04 | 2026-05-05 | HALO | Posard Matthew L. | Dir | A - Grant | $0.00 | +3,796 | 77.8K | +5% | $0 |
| D | 2026-05-07 19:04 | 2026-05-05 | HALO | Krishnan Mahesh | Dir | A - Grant | $0.00 | +3,796 | 14.5K | +36% | $0 |
| D | 2026-05-07 19:03 | 2026-05-05 | HALO | Lang James Paul | Dir | A - Grant | $0.00 | +3,796 | 4,685 | +427% | $0 |
| D | 2026-05-07 19:02 | 2026-05-05 | HALO | Henderson Jeffrey William | Dir | A - Grant | $0.00 | +3,796 | 36.6K | +12% | $0 |
| D | 2026-05-07 19:02 | 2026-05-05 | HALO | DUNCAN BARBARA GAYLE | Dir | A - Grant | $0.00 | +3,796 | 23.7K | +19% | $0 |
| D | 2026-05-07 19:01 | 2026-05-05 | HALO | Connaughton Bernadette | Dir | A - Grant | $0.00 | +6,796 | 45.3K | +18% | $0 |
| T | 2026-05-05 17:05 | 2026-05-01 | HALO | Connaughton Bernadette | Dir | S - Sale | $63.48 | -1,625 | 38.5K | -4% | -$103.2K |
| DT | 2026-04-07 17:13 | 2026-04-06 | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $12.07 | +10.0K | 777.8K | +1% | +$120.7K |
| DMT | 2026-04-07 17:13 | 2026-04-06 | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $63.50 | -10.0K | 767.8K | -1% | -$635.0K |
| DMT | 2026-04-02 18:28 | 2026-04-01+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $12.07 | +40.0K | 787.8K | +5% | +$482.8K |
| DMT | 2026-04-02 18:28 | 2026-04-01+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $64.81 | -40.0K | 767.8K | -5% | -$2.59M |
| DM | 2026-03-10 | 2026-03-09+ | HALO | Caudill Cortney | SVP, COO | S - Sale+OE | $67.75 | -28.9K | 16.5K | -64% | -$1.96M |
| DM | 2026-03-10 | 2026-03-09+ | HALO | Caudill Cortney | SVP, COO | M - OptEx | $33.51 | +21.5K | 34.4K | +168% | +$722.0K |
| DM | 2026-03-04 | 2026-03-02+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $69.52 | -50.0K | 767.8K | -6% | -$3.48M |
| DM | 2026-03-04 | 2026-03-02+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $12.07 | +50.0K | 787.8K | +7% | +$603.5K |
| DM | 2026-02-24 | 2026-02-20+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $0.00 | +39.2K | 779.9K | +5% | $0 |
| DM | 2026-02-24 | 2026-02-20+ | HALO | Torley Helen | Pres AND CEO, Dir | F - Tax | $70.79 | -21.1K | 767.8K | -3% | -$1.50M |
| DM | 2026-02-24 | 2026-02-20+ | HALO | LaBrosse Nicole | SVP, CFO | F - Tax | $70.79 | -6,484 | 38.5K | -14% | -$459.0K |
| DM | 2026-02-24 | 2026-02-20+ | HALO | LaBrosse Nicole | SVP, CFO | M - OptEx | $0.00 | +12.0K | 38.3K | +46% | $0 |
| DM | 2026-02-24 | 2026-02-20+ | HALO | Snyder Mark Howard | SVP, CLO | M - OptEx | $0.00 | +12.3K | 51.4K | +32% | $0 |
| DM | 2026-02-24 | 2026-02-20+ | HALO | Snyder Mark Howard | SVP, CLO | F - Tax | $70.79 | -6,658 | 44.4K | -13% | -$471.3K |
| D | 2026-02-24 | 2026-02-20 | HALO | Caudill Cortney | SVP, COO | M - OptEx | $0.00 | +2,666 | 15.4K | +21% | $0 |
| D | 2026-02-24 | 2026-02-20 | HALO | Caudill Cortney | SVP, COO | F - Tax | $70.98 | -1,037 | 14.4K | -7% | -$73.6K |
| DM | 2026-02-17 | 2026-02-16 | HALO | Snyder Mark Howard | SVP, CLO | M - OptEx | $0.00 | +16.8K | 39.0K | +76% | $0 |
| DM | 2026-02-17 | 2026-02-16 | HALO | Snyder Mark Howard | SVP, CLO | F - Tax | $79.44 | -9,068 | 41.9K | -18% | -$720.4K |
| DM | 2026-02-17 | 2026-02-16 | HALO | LaBrosse Nicole | SVP, CFO | F - Tax | $79.44 | -12.9K | 26.9K | -32% | -$1.02M |
| DM | 2026-02-17 | 2026-02-16 | HALO | LaBrosse Nicole | SVP, CFO | M - OptEx | $0.00 | +23.8K | 29.8K | +397% | $0 |
| DM | 2026-02-17 | 2026-02-16 | HALO | Torley Helen | Pres AND CEO, Dir | F - Tax | $79.44 | -48.0K | 726.2K | -6% | -$3.82M |
| DM | 2026-02-17 | 2026-02-16 | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $0.00 | +89.1K | 735.3K | +14% | $0 |
| DM | 2026-02-05 | 2026-02-03+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $77.07 | -50.0K | 708.7K | -7% | -$3.85M |
| DM | 2026-02-05 | 2026-02-03+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $12.07 | +50.0K | 728.7K | +7% | +$603.5K |
| 2026-01-06 | 2026-01-05 | HALO | Connaughton Bernadette | Dir | S - Sale | $70.25 | -2,000 | 40.1K | -5% | -$140.5K | |
| D | 2026-01-06 | 2026-01-03 | HALO | Snyder Mark Howard | SVP, CLO | F - Tax | $70.31 | -4,243 | 34.2K | -11% | -$298.3K |
| D | 2026-01-06 | 2026-01-03 | HALO | Snyder Mark Howard | SVP, CLO | M - OptEx | $0.00 | +7,611 | 38.4K | +25% | $0 |
| D | 2026-01-06 | 2026-01-02 | HALO | Lang James Paul | Dir | A - Grant | $0.00 | +889 | 889 | New | $0 |
| D | 2025-12-19 | 2025-11-01 | HALO | Caudill Cortney | SVP, COO | M - OptEx | $0.00 | +9,326 | 17.0K | +122% | $0 |
| D | 2025-12-19 | 2025-11-01 | HALO | Caudill Cortney | SVP, COO | S - Sale+OE | $65.19 | -4,263 | 12.7K | -25% | -$277.9K |
| 2025-12-01 | 2025-12-01 | HALO | Connaughton Bernadette | Dir | S - Sale | $71.60 | -829 | 42.1K | -2% | -$59.4K | |
| DM | 2025-12-01 | 2025-12-01 | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $68.92 | -16.6K | 709.0K | -2% | -$1.14M |
| D | 2025-12-01 | 2025-11-26 | HALO | Torley Helen | Pres AND CEO, Dir | G - Gift | $0.00 | -25.0K | 708.7K | -3% | $0 |
| D | 2025-12-01 | 2025-12-01 | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $8.11 | +16.6K | 725.3K | +2% | +$134.4K |
| DM | 2025-11-12 | 2025-11-10+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $69.46 | -60.0K | 733.8K | -8% | -$4.17M |
| DM | 2025-11-12 | 2025-11-10+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $8.11 | +60.0K | 753.7K | +9% | +$486.6K |
| 2025-11-12 | 2025-11-10 | HALO | Connaughton Bernadette | Dir | S - Sale | $68.48 | -2,000 | 43.0K | -4% | -$137.0K | |
| DM | 2025-10-03 | 2025-10-01+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $71.86 | -60.0K | 737.1K | -8% | -$4.31M |
| DM | 2025-10-03 | 2025-10-01+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $8.11 | +60.0K | 753.7K | +9% | +$486.6K |
| M | 2025-10-01 | 2025-10-01 | HALO | Connaughton Bernadette | Dir | S - Sale | $75.24 | -2,000 | 45.5K | -4% | -$150.5K |
| M | 2025-09-23 | 2025-09-22 | HALO | LaBrosse Nicole | SVP, CFO | S - Sale | $77.95 | -2,227 | 22.1K | -9% | -$173.6K |
| DM | 2025-09-11 | 2025-09-10 | HALO | LaBrosse Nicole | SVP, CFO | S - Sale+OE | $75.71 | -20.0K | 24.3K | -45% | -$1.51M |
| DM | 2025-09-11 | 2025-09-10 | HALO | LaBrosse Nicole | SVP, CFO | M - OptEx | $12.11 | +12.4K | 44.3K | +39% | +$150.2K |
| DM | 2025-09-04 | 2025-09-02+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $8.11 | +60.0K | 753.7K | +9% | +$486.6K |
| DM | 2025-09-04 | 2025-09-02+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $74.08 | -60.0K | 744.2K | -7% | -$4.44M |
| M | 2025-09-02 | 2025-09-02 | HALO | Connaughton Bernadette | Dir | S - Sale | $73.69 | -4,000 | 50.9K | -7% | -$294.7K |
| DM | 2025-08-13 | 2025-08-11+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $63.62 | -60.0K | 735.0K | -8% | -$3.82M |
| DM | 2025-08-13 | 2025-08-11+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $8.11 | +60.0K | 753.7K | +9% | +$486.6K |
| DM | 2025-07-10 | 2025-07-08+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $56.46 | -60.0K | 733.9K | -8% | -$3.39M |
| DM | 2025-07-10 | 2025-07-08+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $8.11 | +60.0K | 753.7K | +9% | +$486.6K |
| DM | 2025-06-24 | 2025-06-20+ | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $8.11 | +60.0K | 753.7K | +9% | +$486.6K |
| DM | 2025-06-24 | 2025-06-20+ | HALO | Torley Helen | Pres AND CEO, Dir | S - Sale+OE | $53.09 | -60.0K | 733.7K | -8% | -$3.19M |
| D | 2025-06-13 | 2025-06-12 | HALO | Snyder Mark Howard | SVP, CLO | F - Tax | $54.54 | -2,711 | 30.8K | -8% | -$147.9K |
| D | 2025-06-13 | 2025-06-12 | HALO | Snyder Mark Howard | SVP, CLO | M - OptEx | $0.00 | +5,035 | 33.5K | +18% | $0 |
| D | 2025-05-02 | 2025-05-01 | HALO | Henderson Jeffrey William | Dir | A - Grant | $0.00 | +4,165 | 32.8K | +15% | $0 |
| D | 2025-05-02 | 2025-05-01 | HALO | Duncan Barbara Gayle | Dir | A - Grant | $0.00 | +4,165 | 19.9K | +26% | $0 |
| D | 2025-05-02 | 2025-05-01 | HALO | Connaughton Bernadette | Dir | A - Grant | $0.00 | +4,165 | 51.0K | +9% | $0 |
| D | 2025-05-02 | 2025-05-01 | HALO | Krishnan Mahesh | Dir | A - Grant | $0.00 | +4,165 | 10.7K | +64% | $0 |
| D | 2025-05-02 | 2025-05-01 | HALO | Posard Matthew L. | Dir | A - Grant | $0.00 | +4,165 | 74.0K | +6% | $0 |
| D | 2025-05-02 | 2025-05-01 | HALO | Miyashita Akiko Moni | Dir | A - Grant | $0.00 | +4,165 | 24.9K | +20% | $0 |
| M | 2025-04-28 | 2025-04-28 | HALO | Henderson Jeffrey William | Dir | S - Sale | $60.37 | -4,497 | 28.6K | -14% | -$271.5K |
| 2025-04-01 | 2025-04-01 | HALO | Henderson Jeffrey William | Dir | S - Sale | $64.05 | -503 | 33.1K | -1% | -$32.2K | |
| M | 2025-03-03 | 2025-03-03 | HALO | Henderson Jeffrey William | Dir | S - Sale | $58.69 | -5,000 | 36.8K | -12% | -$293.5K |
| M | 2025-02-27 | 2025-02-25+ | HALO | LaBarre Michael J. | SVP, Chief TECHNICAL Off | S - Sale | $58.10 | -21.7K | 173.8K | -11% | -$1.26M |
| D | 2025-02-24 | 2025-02-23 | HALO | Torley Helen | Pres AND CEO, Dir | F - Tax | $57.75 | -12.1K | 733.7K | -2% | -$697.7K |
| D | 2025-02-24 | 2025-02-23 | HALO | Torley Helen | Pres AND CEO, Dir | M - OptEx | $0.00 | +22.4K | 745.8K | +3% | $0 |
| D | 2025-02-24 | 2025-02-23 | HALO | LaBarre Michael J. | SVP, Chief TECHNICAL Off | F - Tax | $57.75 | -2,410 | 195.5K | -1% | -$139.2K |
| D | 2025-02-24 | 2025-02-23 | HALO | LaBarre Michael J. | SVP, Chief TECHNICAL Off | M - OptEx | $0.00 | +4,747 | 197.9K | +2% | $0 |
| D | 2025-02-24 | 2025-02-23 | HALO | Snyder Mark Howard | SVP, CLO | M - OptEx | $0.00 | +7,012 | 32.3K | +28% | $0 |
| D | 2025-02-24 | 2025-02-23 | HALO | Snyder Mark Howard | SVP, CLO | F - Tax | $57.75 | -3,775 | 28.5K | -12% | -$218.0K |
| D | 2025-02-24 | 2025-02-23 | HALO | LaBrosse Nicole | SVP, CFO | F - Tax | $57.75 | -3,601 | 31.9K | -10% | -$208.0K |
| D | 2025-02-24 | 2025-02-23 | HALO | LaBrosse Nicole | SVP, CFO | M - OptEx | $0.00 | +6,688 | 35.5K | +23% | $0 |
Purchase Sale Sale after option exercise All abbreviations