Halozyme Therapeutics, Inc. SEC filings HALO
Halozyme Therapeutics, Inc. has 1,003 filings in SEC EDGAR's recent list, going back to Dec 12, 2011. Its latest annual report, Form ARS, was filed on Mar 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 8, 2026 | Oct 6, 2026 |
| 4/A | Form 4/a | Oct 8, 2026 | May 5, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 3 | Initial insider ownership | Oct 2, 2026 | Sep 28, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Sep 17, 2026 | Sep 16, 2026 |
| 144 | Notice of proposed sale | Sep 16, 2026 | — |
| 4 | Insider transaction | Sep 11, 2026 | Sep 9, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 3 | Initial insider ownership | Aug 21, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 144 | Notice of proposed sale | Aug 17, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 4 | Insider transaction | Aug 11, 2026 | Aug 10, 2026 |
| 144 | Notice of proposed sale | Aug 10, 2026 | — |
| 4 | Insider transaction | Jul 9, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jun 30, 2026 | Jun 29, 2026 |
| 144 | Notice of proposed sale | Jun 29, 2026 | — |
| 4 | Insider transaction | Jun 15, 2026 | Jun 12, 2026 |
| 3 | Initial insider ownership | Jun 9, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 144 | Notice of proposed sale | May 11, 2026 | — |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 144 | Notice of proposed sale | May 1, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| 4 | Insider transaction | Apr 7, 2026 | Apr 6, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 3 | Initial insider ownership | Mar 23, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 9, 2026 |
| 144 | Notice of proposed sale | Mar 10, 2026 | — |
| 144 | Notice of proposed sale | Mar 9, 2026 | — |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 3, 2026 |
| 3 | Initial insider ownership | Jan 5, 2026 | Dec 4, 2025 |
| 144 | Notice of proposed sale | Jan 5, 2026 | — |
| 4 | Insider transaction | Dec 19, 2025 | Nov 1, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 26, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Oct 6, 2025 | Oct 3, 2025 |
| 3 | Initial insider ownership | Oct 6, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Oct 1, 2025 |
| 144 | Notice of proposed sale | Oct 1, 2025 | — |
| 4 | Insider transaction | Sep 23, 2025 | Sep 22, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 10, 2025 |
| 144 | Notice of proposed sale | Sep 10, 2025 | — |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 2, 2025 | Sep 2, 2025 |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| 4 | Insider transaction | Aug 13, 2025 | Aug 11, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 17, 2025 | — |
| 4 | Insider transaction | Jul 10, 2025 | Jul 8, 2025 |
| 4 | Insider transaction | Jun 24, 2025 | Jun 20, 2025 |
| 144 | Notice of proposed sale | Jun 20, 2025 | — |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2025 | — |
| 4 | Insider transaction | May 2, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 2, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 2, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 2, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 2, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 2, 2025 | May 1, 2025 |
| 4 | Insider transaction | Apr 28, 2025 | Apr 28, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 28, 2025 | — |
| 4 | Insider transaction | Apr 1, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 144 | Notice of proposed sale | Feb 25, 2025 | — |
| 4 | Insider transaction | Feb 24, 2025 | Feb 23, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 23, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 23, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 23, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 15, 2025 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 16, 2025 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 15, 2025 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 15, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Feb 3, 2025 |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 4 | Insider transaction | Jan 7, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 3, 2025 |
| 144 | Notice of proposed sale | Jan 6, 2025 | — |
| 4 | Insider transaction | Dec 3, 2024 | Nov 29, 2024 |
| 4 | Insider transaction | Dec 3, 2024 | Nov 29, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 17, 2024 | — |
| 4 | Insider transaction | Oct 16, 2024 | Oct 15, 2024 |
| 144 | Notice of proposed sale | Oct 16, 2024 | — |
| 144 | Notice of proposed sale | Oct 15, 2024 | — |
| 4 | Insider transaction | Oct 9, 2024 | Oct 8, 2024 |
| 144 | Notice of proposed sale | Oct 9, 2024 | — |
| 144 | Notice of proposed sale | Oct 8, 2024 | — |
| 4 | Insider transaction | Sep 26, 2024 | Sep 24, 2024 |
| 144 | Notice of proposed sale | Sep 26, 2024 | — |
| 144 | Notice of proposed sale | Sep 25, 2024 | — |
| 144 | Notice of proposed sale | Sep 24, 2024 | — |
| 4 | Insider transaction | Sep 18, 2024 | Sep 17, 2024 |
| 144 | Notice of proposed sale | Sep 18, 2024 | — |
| 144 | Notice of proposed sale | Sep 17, 2024 | — |
| 4 | Insider transaction | Sep 12, 2024 | Sep 10, 2024 |
| 144 | Notice of proposed sale | Sep 12, 2024 | — |
| 144 | Notice of proposed sale | Sep 11, 2024 | — |
| 144 | Notice of proposed sale | Sep 10, 2024 | — |
| 4 | Insider transaction | Aug 27, 2024 | Aug 27, 2024 |
| 4 | Insider transaction | Aug 21, 2024 | Aug 20, 2024 |
| 144 | Notice of proposed sale | Aug 21, 2024 | — |
| 144 | Notice of proposed sale | Aug 20, 2024 | — |
| 4 | Insider transaction | Aug 15, 2024 | Aug 13, 2024 |
| 144 | Notice of proposed sale | Aug 15, 2024 | — |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 144 | Notice of proposed sale | Aug 14, 2024 | — |
| 144 | Notice of proposed sale | Aug 13, 2024 | — |
| 144 | Notice of proposed sale | Aug 7, 2024 | — |
| 4 | Insider transaction | Jul 24, 2024 | Jul 23, 2024 |
| 144 | Notice of proposed sale | Jul 24, 2024 | — |
| 4 | Insider transaction | Jul 23, 2024 | Jul 22, 2024 |
| 144 | Notice of proposed sale | Jul 23, 2024 | — |
| 144 | Notice of proposed sale | Jul 22, 2024 | — |
| 144 | Notice of proposed sale | Jun 28, 2024 | — |
| 4 | Insider transaction | Jun 28, 2024 | Jun 26, 2024 |
| 144 | Notice of proposed sale | Jun 27, 2024 | — |
| 144 | Notice of proposed sale | Jun 26, 2024 | — |
| 4 | Insider transaction | Jun 20, 2024 | Jun 18, 2024 |
| 144 | Notice of proposed sale | Jun 18, 2024 | — |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 144 | Notice of proposed sale | Jun 11, 2024 | — |
| 4 | Insider transaction | May 22, 2024 | May 21, 2024 |
| 144 | Notice of proposed sale | May 22, 2024 | — |
| 144 | Notice of proposed sale | May 21, 2024 | — |
| 4 | Insider transaction | Apr 29, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 25, 2024 |
| 3 | Initial insider ownership | Apr 25, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 144 | Notice of proposed sale | Apr 17, 2024 | — |
| 144 | Notice of proposed sale | Apr 16, 2024 | — |
| 4 | Insider transaction | Mar 26, 2024 | Mar 26, 2024 |
| 4 | Insider transaction | Mar 13, 2024 | Mar 12, 2024 |
| 144 | Notice of proposed sale | Mar 13, 2024 | — |
| 144 | Notice of proposed sale | Mar 12, 2024 | — |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 144 | Notice of proposed sale | Feb 28, 2024 | — |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 144 | Notice of proposed sale | Feb 27, 2024 | — |
| 4 | Insider transaction | Feb 20, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 16, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 16, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 16, 2024 | Feb 15, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Feb 13, 2024 | Feb 10, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- HALO (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Diego, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1159036
- Former names
- HALOZYME THERAPEUTICS INC (until Jul 3, 2019); GLOBAL YACHT SERVICES INC (until Mar 12, 2004)
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.