HALOZYME THERAPEUTICS, INC.
HALO
42 insider filings · Latest: Oct 6, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | Oct 8 11:56 PM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 20,000 | $109.40 | $2.2M | 767,780(D) | View → |
| Oct 7, 2026 | Oct 8 11:56 PM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 20,000 | $111.55 | $2.2M | 767,780(D) | View → |
| Oct 6, 2026 | Oct 8 11:56 PM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 20,000 | $109.58 | $2.2M | 767,780(D) | View → |
| Oct 1, 2026 | Oct 2 8:38 PM | Matthew L. PosardDirector | Sale | 5,230 | $108.54 | $567.7K | 53,609(D) | View → |
| Sep 16, 2026 | Sep 17 9:19 PM | Matthew L. PosardDirector | Sale | 18,996 | $107.74 | $2.0M | 58,839(D) | View → |
| Sep 16, 2026 | Sep 16 8:41 PM | MATTHEW POSARD | Proposed Sale | 34,226 | $106.25 | $3.6M | — | View → |
| Sep 11, 2026 | Sep 12 12:35 AM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 20,000 | $107.24 | $2.1M | 767,780(D) | View → |
| Sep 10, 2026 | Sep 12 12:35 AM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 20,000 | $107.17 | $2.1M | 767,780(D) | View → |
| Sep 9, 2026 | Sep 12 12:35 AM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 20,000 | $107.43 | $2.1M | 767,780(D) | View → |
| Aug 19, 2026 | Aug 20 12:01 AM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 20,000 | $107.00 | $2.1M | 767,780(D) | View → |
| Aug 18, 2026 | Aug 20 12:01 AM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 20,000 | $104.18 | $2.1M | 767,780(D) | View → |
| Aug 17, 2026 | Aug 20 12:01 AM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 20,000 | $102.60 | $2.1M | 767,780(D) | View → |
| Aug 17, 2026 | Aug 17 9:16 PM | Helen Torley | Proposed Sale | 240,000 | $98.66 | $23.7M | — | View → |
| Aug 11, 2026 | Aug 11 9:57 PM | CORTNEY A CAUDILL | Proposed Sale | 41,702 | $103.17 | $4.3M | — | View → |
| Aug 10, 2026 | Aug 11 9:43 PM | Bernadette ConnaughtonDirector | Sale | 1,626 | $102.80 | $167.2K | 40,418(D) | View → |
| Aug 10, 2026 | Aug 10 8:34 PM | BERNADETTE CONNAUGHTON | Proposed Sale | 1,626 | $103.12 | $167.7K | — | View → |
| Jul 8, 2026 | Jul 9 9:19 PM | Helen TorleyDirector, PRESIDENT AND CEO | Sale | 1,923 | $79.77 | $153.4K | 767,780(D) | View → |
| Jul 1, 2026 | Jul 2 8:42 PM | Bernadette ConnaughtonDirector | Sale | 1,625 | $76.71 | $124.7K | 42,044(D) | View → |
| Jun 29, 2026 | Jun 30 9:25 PM | Mahesh KrishnanDirector | Sale | 7,304 | $75.00 | $547.8K | 14,462(D) | View → |
| Jun 29, 2026 | Jun 29 8:41 PM | MAHESH KRISHNAN | Proposed Sale | 7,304 | $74.96 | $547.5K | — | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| May 13, 2026 | May 13 9:50 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 10,000 | $12.07 | 51,923(D) | View → |
| May 12, 2026 | May 13 9:50 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $12.07 | 61,923(D) | View → |
| May 11, 2026 | May 13 9:50 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $12.07 | 81,923(D) | View → |
| May 5, 2026 | May 7 11:04 PM | Matthew L. PosardDirector | Grant/Award | 6,040 | $65.87 | 6,040(D) | View → |
| May 5, 2026 | May 7 11:04 PM | Mahesh KrishnanDirector | Grant/Award | 6,040 | $65.87 | 6,040(D) | View → |
| May 5, 2026 | May 7 11:03 PM | James Paul LangDirector | Grant/Award | 6,040 | $65.87 | 6,040(D) | View → |
| May 5, 2026 | May 7 11:02 PM | Jeffrey William HendersonDirector | Grant/Award | 6,040 | $65.87 | 6,040(D) | View → |
| May 5, 2026 | May 7 11:02 PM | Barbara Gayle DuncanDirector | Grant/Award | 6,040 | $65.87 | 6,040(D) | View → |
| May 5, 2026 | May 7 11:01 PM | Bernadette ConnaughtonDirector | Grant/Award | 6,040 | $65.87 | 6,040(D) | View → |
| Apr 6, 2026 | Apr 7 9:13 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 10,000 | $12.07 | 101,923(D) | View → |
| Apr 1, 2026 | Apr 2 10:29 PM | David A RamsayInterim CFO | Grant/Award | 10,000 | $0.00 | 10,000(D) | View → |
| Apr 2, 2026 | Apr 2 10:28 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $12.07 | 111,923(D) | View → |
| Apr 1, 2026 | Apr 2 10:28 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $12.07 | 131,923(D) | View → |
| Mar 10, 2026 | Mar 10 11:18 PM | Cortney CaudillSVP, CHIEF OPERATING OFFICER | Option Exercise | 1,546 | $33.51 | 67,678(D) | View → |
| Mar 9, 2026 | Mar 10 11:18 PM | Cortney CaudillSVP, CHIEF OPERATING OFFICER | Option Exercise | 20,000 | $33.51 | 69,224(D) | View → |
| Mar 4, 2026 | Mar 4 11:56 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 10,000 | $12.07 | 151,923(D) | View → |
| Mar 3, 2026 | Mar 4 11:56 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $12.07 | 161,923(D) | View → |
| Mar 2, 2026 | Mar 4 11:56 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $12.07 | 181,923(D) | View → |
| Feb 20, 2026 | Feb 24 11:19 PM | Cortney CaudillSVP, CHIEF OPERATING OFFICER | Option Exercise | 2,666 | $0.00 | 7,998(D) | View → |
| Feb 23, 2026 | Feb 24 11:16 PM | Mark Howard SnyderSVP, CHIEF LEGAL OFFICER | Option Exercise | 7,011 | $0.00 | 14,022(D) | View → |