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 |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 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 |
| 8-K |
Current report
Officer or director change
|
Sep 30, 2026 | Sep 28, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Sep 22, 2026 | Sep 22, 2026 |
| 8-K |
Current report
Other events
|
Sep 18, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 17, 2026 | Sep 16, 2026 |
| 144 | Notice of proposed sale | Sep 16, 2026 | — |
| 8-K |
Current report
Other events
|
Sep 16, 2026 | 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 |
| 8-K |
Current report
Officer or director change
|
Aug 18, 2026 | Aug 14, 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 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 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 |
| 8-K |
Current report
Officer or director change
|
Jul 2, 2026 | Jun 30, 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 | — |
| 10-Q | Quarterly report | May 11, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 11, 2026 | 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 |
| 8-K |
Current report
Shareholder vote results
|
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 | — |
| 8-K |
Current report
Officer or director change
|
Apr 30, 2026 | Apr 30, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Apr 24, 2026 | Apr 22, 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 |
| ARS | Annual report to shareholders | Mar 23, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 23, 2026 | — |
| DEF 14A | Proxy statement | Mar 23, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 12, 2026 | Mar 12, 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 |
| 10-K | Annual report | Feb 17, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 17, 2026 | Feb 17, 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 | — |
| 8-K |
Current report
Results of operations
|
Jan 28, 2026 | Jan 28, 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 |
| 8-K |
Current report
Officer or director change
|
Dec 9, 2025 | Dec 4, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 8, 2025 | Dec 4, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 26, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 24, 2025 | Nov 18, 2025 |
| S-8 | Employee stock plan registration | Nov 18, 2025 | — |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Nov 12, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Other events
|
Nov 7, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Nov 5, 2025 | Nov 5, 2025 |
| 10-Q | Quarterly report | Nov 3, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Nov 3, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 14, 2025 | Oct 14, 2025 |
| 4 | Insider transaction | Oct 6, 2025 | Oct 3, 2025 |
| 3 | Initial insider ownership | Oct 6, 2025 | Oct 1, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 6, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 8-K |
Current report
Material agreement
|
Oct 3, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Oct 1, 2025 |
| 144 | Notice of proposed sale | Oct 1, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 1, 2025 | Sep 30, 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 |
| 10-Q | Quarterly report | Aug 5, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2025 | Aug 5, 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 | — |
| 10-Q | Quarterly report | May 6, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 6, 2025 | May 6, 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 |
| 8-K |
Current report
Shareholder vote results
|
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 |
| 8-K |
Current report
Officer or director change
|
Mar 21, 2025 | Mar 17, 2025 |
| ARS | Annual report to shareholders | Mar 18, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 18, 2025 | — |
| DEF 14A | Proxy statement | Mar 18, 2025 | Dec 31, 2024 |
| 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 |
| 10-K | Annual report | Feb 18, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 18, 2025 | Feb 18, 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 |
| 8-K |
Current report
Officer or director change
|
Feb 13, 2025 | Feb 11, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Feb 3, 2025 |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 8-K |
Current report
Results of operations
|
Jan 8, 2025 | Jan 8, 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 | — |
| 10-Q | Quarterly report | Oct 31, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2024 | Oct 31, 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 | — |
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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.