Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-10-01 Sale | 2026-10-02 4:38 pm | HALOZYME THERAPEUTICS INC. | HALO | Posard Matthew L. Director | 5,230 | $108.54 | $567,661 | 53,609 (Direct) | View |
| 2026-09-16 Sale | 2026-09-17 5:19 pm | HALOZYME THERAPEUTICS INC. | HALO | Posard Matthew L. Director | 18,996 | $107.74 | $2,046,581 | 58,839 (Direct) | View |
| 2026-09-09 Sale | 2026-09-11 8:35 pm | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 60,000 | $107.28 | $6,436,711 | 1,072,436 (Direct) | View |
| 2026-08-17 Sale | 2026-08-19 8:01 pm | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 60,000 | $104.59 | $6,275,592 | 1,252,436 (Direct) | View |
| 2026-08-10 Sale | 2026-08-11 5:43 pm | HALOZYME THERAPEUTICS INC. | HALO | Connaughton Bernadette Director | 1,626 | $102.8 | $167,153 | 40,418 (Direct) | View |
| 2026-07-08 Sale | 2026-07-09 5:19 pm | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 1,923 | $79.77 | $153,391 | 767,780 (Direct) | View |
| 2026-07-01 Sale | 2026-07-02 4:42 pm | HALOZYME THERAPEUTICS INC. | HALO | Connaughton Bernadette Director | 1,625 | $76.71 | $124,651 | 42,044 (Direct) | View |
| 2026-06-29 Sale | 2026-06-30 5:25 pm | HALOZYME THERAPEUTICS INC. | HALO | Krishnan Mahesh Director | 7,304 | $75 | $547,800 | 15,962 (Direct) | View |
| 2026-06-01 Sale | 2026-06-03 8:06 pm | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 50,000 | $67.4 | $3,370,008 | 813,549 (Direct) | View |
| 2026-06-01 Sale | 2026-06-02 5:20 pm | HALOZYME THERAPEUTICS INC. | HALO | Connaughton Bernadette Director | 1,625 | $66.21 | $107,591 | 43,669 (Direct) | View |
| 2026-05-11 Sale | 2026-05-13 5:50 pm | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 50,000 | $68.68 | $3,433,875 | 963,549 (Direct) | View |
| 2026-05-01 Sale | 2026-05-05 5:05 pm | HALOZYME THERAPEUTICS INC. | HALO | Connaughton Bernadette Director | 1,625 | $63.48 | $103,155 | 38,498 (Direct) | View |
| 2026-04-06 Sale | 2026-04-07 5:13 pm | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 10,000 | $63.5 | $634,982 | 869,703 (Direct) | View |
| 2026-04-01 Sale | 2026-04-02 6:28 pm | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 40,000 | $64.81 | $2,592,237 | 1,011,626 (Direct) | View |
| 2026-03-09 Sale | 2026-03-10 7:18 pm | HALOZYME THERAPEUTICS INC. | HALO | Caudill Cortney SVP, CHIEF OPERATING OFFICER | 28,857 | $67.75 | $1,955,160 | 143,957 (Direct) | View |
| 2026-03-02 Sale | 2026-03-04 6:56 pm | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 50,000 | $69.52 | $3,476,157 | 1,263,549 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-10-01 Option Award | 2026-10-02 4:43 pm | N/A 2036-10-01 | HALOZYME THERAPEUTICS INC. | HALO | Daly James M Director | 2,944 | $0 | 2,944 (Direct) | View |
| 2026-09-09 Exercise | 2026-09-11 8:35 pm | N/A 2028-02-14 | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 60,000 | $18.41 | 1,072,436 (Direct) | View |
| 2026-09-01 Option Award | 2026-09-02 4:59 pm | N/A 2036-09-01 | HALOZYME THERAPEUTICS INC. | HALO | Appelhans Dannielle Director | 2,939 | $0 | 2,939 (Direct) | View |
| 2026-08-17 Exercise | 2026-08-19 8:01 pm | N/A 2028-02-14 | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 60,000 | $18.41 | 1,252,436 (Direct) | View |
| 2026-07-08 Exercise | 2026-07-09 5:19 pm | N/A 2027-02-22 | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 1,923 | $12.07 | 767,780 (Direct) | View |
| 2026-07-01 Option Award | 2026-07-02 4:45 pm | 2027-07-01 N/A | HALOZYME THERAPEUTICS INC. | HALO | RAMSAY DAVID A EVP, PRESIDENT, DRUG DELIVERY | 56,055 | $0 | 60,647 (Direct) | View |
| 2026-06-30 Exercise | 2026-07-02 4:45 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | RAMSAY DAVID A EVP, PRESIDENT, DRUG DELIVERY | 10,000 | $0 | 60,647 (Direct) | View |
| 2026-06-30 Tax Withholding | 2026-07-02 4:45 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | RAMSAY DAVID A EVP, PRESIDENT, DRUG DELIVERY | 5,408 | $78.27 | 60,647 (Direct) | View |
| 2026-07-01 Option Award | 2026-07-02 4:44 pm | 2027-07-01 N/A | HALOZYME THERAPEUTICS INC. | HALO | Snellgrove Darren SVP, Chief Financial Officer | 168,986 | $0 | 168,986 (Direct) | View |
| 2026-06-29 Exercise | 2026-06-30 5:25 pm | N/A 2034-04-25 | HALOZYME THERAPEUTICS INC. | HALO | Krishnan Mahesh Director | 7,304 | $0 | 15,962 (Direct) | View |
| 2026-06-29 Exercise | 2026-06-30 5:25 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Krishnan Mahesh Director | 7,304 | $38.46 | 15,962 (Direct) | View |
| 2026-06-12 Exercise | 2026-06-15 4:09 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Snyder Mark Howard SVP, CHIEF LEGAL OFFICER | 5,034 | $0 | 59,997 (Direct) | View |
| 2026-06-12 Tax Withholding | 2026-06-15 4:09 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Snyder Mark Howard SVP, CHIEF LEGAL OFFICER | 2,715 | $69.5 | 59,997 (Direct) | View |
| 2026-06-01 Exercise | 2026-06-03 8:06 pm | N/A 2027-02-22 | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 50,000 | $12.07 | 813,549 (Direct) | View |
| 2026-05-11 Exercise | 2026-05-13 5:50 pm | N/A 2027-02-22 | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 50,000 | $12.07 | 963,549 (Direct) | View |
| 2026-05-05 Option Award | 2026-05-07 7:04 pm | N/A 2036-05-05 | HALOZYME THERAPEUTICS INC. | HALO | Posard Matthew L. Director | 9,836 | $0 | 83,875 (Direct) | View |
| 2026-05-05 Option Award | 2026-05-07 7:04 pm | N/A 2036-05-05 | HALOZYME THERAPEUTICS INC. | HALO | Krishnan Mahesh Director | 9,836 | $0 | 20,502 (Direct) | View |
| 2026-05-05 Option Award | 2026-05-07 7:03 pm | N/A 2036-05-05 | HALOZYME THERAPEUTICS INC. | HALO | Lang James Paul Director | 9,836 | $0 | 10,725 (Direct) | View |
| 2026-05-05 Option Award | 2026-05-07 7:02 pm | N/A 2036-05-05 | HALOZYME THERAPEUTICS INC. | HALO | Henderson Jeffrey William Director | 9,836 | $0 | 42,612 (Direct) | View |
| 2026-05-05 Option Award | 2026-05-07 7:02 pm | N/A 2036-05-05 | HALOZYME THERAPEUTICS INC. | HALO | DUNCAN BARBARA GAYLE Director | 9,836 | $0 | 29,755 (Direct) | View |
| 2026-05-05 Option Award | 2026-05-07 7:01 pm | N/A 2036-05-05 | HALOZYME THERAPEUTICS INC. | HALO | Connaughton Bernadette Director | 12,836 | $0 | 51,334 (Direct) | View |
| 2026-04-06 Exercise | 2026-04-07 5:13 pm | N/A 2027-02-22 | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 10,000 | $12.07 | 869,703 (Direct) | View |
| 2026-04-01 Option Award | 2026-04-02 6:29 pm | 2026-06-30 N/A | HALOZYME THERAPEUTICS INC. | HALO | RAMSAY DAVID A Interim CFO | 10,000 | $0 | 10,000 (Direct) | View |
| 2026-04-01 Exercise | 2026-04-02 6:28 pm | N/A 2027-02-22 | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 40,000 | $12.07 | 1,011,626 (Direct) | View |
| 2026-03-09 Exercise | 2026-03-10 7:18 pm | N/A 2033-11-01 | HALOZYME THERAPEUTICS INC. | HALO | Caudill Cortney SVP, CHIEF OPERATING OFFICER | 21,546 | $33.51 | 143,957 (Direct) | View |
| 2026-03-02 Exercise | 2026-03-04 6:56 pm | N/A 2027-02-22 | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 50,000 | $12.07 | 1,263,549 (Direct) | View |
| 2026-02-20 Exercise | 2026-02-24 6:19 pm | 2026-02-20 N/A | HALOZYME THERAPEUTICS INC. | HALO | Caudill Cortney SVP, CHIEF OPERATING OFFICER | 2,666 | $0 | 22,364 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-24 6:19 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Caudill Cortney SVP, CHIEF OPERATING OFFICER | 1,037 | $70.98 | 22,364 (Direct) | View |
| 2026-02-23 Tax Withholding | 2026-02-24 6:16 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Snyder Mark Howard SVP, CHIEF LEGAL OFFICER | 3,782 | $70.64 | 77,627 (Direct) | View |
| 2026-02-20 Exercise | 2026-02-24 6:16 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Snyder Mark Howard SVP, CHIEF LEGAL OFFICER | 12,343 | $0 | 77,627 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-24 6:16 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Snyder Mark Howard SVP, CHIEF LEGAL OFFICER | 2,876 | $70.98 | 77,627 (Direct) | View |
| 2026-02-23 Tax Withholding | 2026-02-24 6:14 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | LaBrosse Nicole SVP, CHIEF FINANCIAL OFFICER | 3,608 | $70.64 | 90,846 (Direct) | View |
| 2026-02-20 Exercise | 2026-02-24 6:14 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | LaBrosse Nicole SVP, CHIEF FINANCIAL OFFICER | 12,020 | $0 | 90,846 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-24 6:14 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | LaBrosse Nicole SVP, CHIEF FINANCIAL OFFICER | 2,876 | $70.98 | 90,846 (Direct) | View |
| 2026-02-23 Tax Withholding | 2026-02-24 6:12 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 12,104 | $70.64 | 862,922 (Direct) | View |
| 2026-02-20 Exercise | 2026-02-24 6:12 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 39,193 | $0 | 862,922 (Direct) | View |
| 2026-02-20 Tax Withholding | 2026-02-24 6:12 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 9,040 | $70.98 | 862,922 (Direct) | View |
| 2026-02-16 Exercise | 2026-02-17 6:53 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Snyder Mark Howard SVP, CHIEF LEGAL OFFICER | 16,812 | $0 | 46,721 (Direct) | View |
| 2026-02-16 Tax Withholding | 2026-02-17 6:53 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Snyder Mark Howard SVP, CHIEF LEGAL OFFICER | 9,068 | $79.44 | 46,721 (Direct) | View |
| 2026-02-16 Exercise | 2026-02-17 6:52 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | LaBrosse Nicole SVP, CHIEF FINANCIAL OFFICER | 23,773 | $0 | 38,287 (Direct) | View |
| 2026-02-16 Tax Withholding | 2026-02-17 6:52 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | LaBrosse Nicole SVP, CHIEF FINANCIAL OFFICER | 12,894 | $79.44 | 38,287 (Direct) | View |
| 2026-02-16 Exercise | 2026-02-17 6:51 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 89,055 | $0 | 766,605 (Direct) | View |
| 2026-02-16 Tax Withholding | 2026-02-17 6:51 pm | N/A N/A | HALOZYME THERAPEUTICS INC. | HALO | Torley Helen PRESIDENT AND CEO | 48,043 | $79.44 | 766,605 (Direct) | View |
| 2026-02-09 Option Award | 2026-02-11 9:21 pm | 2027-02-09 2036-02-09 | HALOZYME THERAPEUTICS INC. | HALO | Caudill Cortney SVP, CHIEF OPERATING OFFICER | 44,248 | $0 | 55,731 (Direct) | View |