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 |
|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | Oct 8 11:56 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $18.41 | 21,552(D) | View → |
| Oct 7, 2026 | Oct 8 11:56 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $18.41 | 41,552(D) | View → |
| Oct 6, 2026 | Oct 8 11:56 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $18.41 | 61,552(D) | View → |
| Oct 1, 2026 | Oct 2 8:43 PM | James M DalyDirector | Grant/Award | 1,775 | $106.94 | 1,775(D) | View → |
| Sep 11, 2026 | Sep 12 12:35 AM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $18.41 | 81,552(D) | View → |
| Sep 10, 2026 | Sep 12 12:35 AM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $18.41 | 101,552(D) | View → |
| Sep 9, 2026 | Sep 12 12:35 AM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $18.41 | 121,552(D) | View → |
| Sep 1, 2026 | Sep 2 8:59 PM | Dannielle AppelhansDirector | Grant/Award | 1,778 | $107.72 | 1,778(D) | View → |
| Aug 19, 2026 | Aug 20 12:01 AM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $18.41 | 141,552(D) | View → |
| Aug 18, 2026 | Aug 20 12:01 AM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $18.41 | 161,552(D) | View → |
| Aug 17, 2026 | Aug 20 12:01 AM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $18.41 | 181,552(D) | View → |
| Jul 8, 2026 | Jul 9 9:19 PM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 1,923 | $12.07 | 0(D) | View → |
| Jul 1, 2026 | Jul 2 8:45 PM | David A RamsayEVP, PRESIDENT, DRUG DELIVERY | Grant/Award | 56,055 | $77.01 | 39,823(D) | View → |
| Jun 30, 2026 | Jul 2 8:45 PM | David A RamsayEVP, PRESIDENT, DRUG DELIVERY | Option Exercise | 10,000 | $0.00 | 0(D) | View → |
| Jul 1, 2026 | Jul 2 8:44 PM | Darren SnellgroveSVP, Chief Financial Officer | Grant/Award | 168,986 | $77.01 | 127,432(D) | View → |
| Jun 29, 2026 | Jun 30 9:25 PM | Mahesh KrishnanDirector | Option Exercise | 7,304 | $38.46 | 1,500(D) | View → |
| Jun 12, 2026 | Jun 15 8:09 PM | Mark Howard SnyderSVP, CHIEF LEGAL OFFICER | Option Exercise | 5,034 | $0.00 | 10,068(D) | View → |
| Jun 3, 2026 | Jun 4 12:06 AM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 10,000 | $12.07 | 1,923(D) | View → |
| Jun 2, 2026 | Jun 4 12:06 AM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $12.07 | 11,923(D) | View → |
| Jun 1, 2026 | Jun 4 12:06 AM | Helen TorleyDirector, PRESIDENT AND CEO | Option Exercise | 20,000 | $12.07 | 31,923(D) | View → |
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