Outlook Therapeutics, Inc. SEC filings OTLK
Outlook Therapeutics, Inc. has 833 filings in SEC EDGAR's recent list, going back to Aug 10, 2015. Its latest annual report, Form ARS, was filed on Jan 26, 2026 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 18, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 30, 2026 (listing notice). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 13, 2026 | — |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 3 | Initial insider ownership | Sep 2, 2026 | Sep 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 19, 2026 | — |
| 4 | Insider transaction | Aug 14, 2026 | Aug 14, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 14, 2026 | Aug 12, 2026 |
| 4 | Insider transaction | Aug 14, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Jul 29, 2026 | Jul 29, 2026 |
| 4 | Insider transaction | Jul 23, 2026 | Jul 21, 2026 |
| 4 | Insider transaction | Jul 23, 2026 | Jul 21, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 1, 2026 | — |
| 4 | Insider transaction | Jun 1, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 24, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 21, 2025 | — |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 31, 2025 | — |
| 4 | Insider transaction | Jul 9, 2025 | Jul 1, 2025 |
| 3 | Initial insider ownership | Jul 9, 2025 | Jul 1, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 28, 2025 | — |
| 4 | Insider transaction | May 28, 2025 | May 27, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 10, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 12, 2025 | — |
| 4/A | Filing | Mar 12, 2025 | Jan 17, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 3, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 22, 2025 | — |
| 4 | Insider transaction | Jan 22, 2025 | Jan 17, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 7, 2024 | — |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Sep 30, 2024 | Sep 26, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 17, 2024 | — |
| 4 | Insider transaction | Apr 17, 2024 | Apr 15, 2024 |
| SC 13G | Ownership over 5% (passive) | Apr 8, 2024 | — |
| 4 | Insider transaction | Mar 29, 2024 | Mar 28, 2024 |
| SC 13G | Ownership over 5% (passive) | Mar 28, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Mar 28, 2024 | — |
| 4 | Insider transaction | Mar 22, 2024 | Mar 20, 2024 |
| 4 | Insider transaction | Mar 22, 2024 | Mar 20, 2024 |
| 4 | Insider transaction | Mar 22, 2024 | Mar 20, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 20, 2024 | — |
| 4 | Insider transaction | Mar 20, 2024 | Mar 18, 2024 |
| 4 | Insider transaction | Mar 11, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 31, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 29, 2023 | — |
| 4 | Insider transaction | Oct 6, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Oct 5, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Oct 5, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Oct 5, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Oct 5, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Oct 5, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Oct 5, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Apr 21, 2023 | Apr 20, 2023 |
| 4 | Insider transaction | Apr 19, 2023 | Apr 17, 2023 |
| 4 | Insider transaction | Apr 19, 2023 | Apr 17, 2023 |
| 4 | Insider transaction | Apr 19, 2023 | Apr 17, 2023 |
| 4 | Insider transaction | Mar 31, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 31, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 31, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 31, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 31, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 31, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 31, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 31, 2023 | Mar 29, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 21, 2023 | — |
| 4 | Insider transaction | Jan 24, 2023 | Jan 20, 2023 |
| 4 | Insider transaction | Jan 19, 2023 | Jan 17, 2023 |
| 4 | Insider transaction | Dec 29, 2022 | Dec 28, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 29, 2022 | — |
| 4 | Insider transaction | Oct 11, 2022 | Oct 7, 2022 |
| 4 | Insider transaction | Oct 11, 2022 | Oct 6, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 5, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 5, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 5, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 5, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 5, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 5, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 5, 2022 |
| 4 | Insider transaction | Oct 5, 2022 | Oct 4, 2022 |
| 4 | Insider transaction | Oct 3, 2022 | Sep 29, 2022 |
| 4 | Insider transaction | Aug 15, 2022 | Aug 11, 2022 |
| 3 | Initial insider ownership | Aug 15, 2022 | Aug 11, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 8, 2022 | — |
| 4/A | Filing | Jul 7, 2022 | Apr 21, 2022 |
| SC 13D | Ownership over 5% (active) | Jul 7, 2022 | — |
| 4 | Insider transaction | Jun 23, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 23, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Apr 22, 2022 | Apr 21, 2022 |
| 4 | Insider transaction | Apr 22, 2022 | Apr 21, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 22, 2022 | — |
| 4 | Insider transaction | Apr 4, 2022 | Mar 31, 2022 |
| 4 | Insider transaction | Apr 4, 2022 | Mar 31, 2022 |
| 4 | Insider transaction | Apr 4, 2022 | Mar 31, 2022 |
| SC 13G | Ownership over 5% (passive) | Apr 1, 2022 | — |
| 4 | Insider transaction | Mar 24, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 24, 2022 |
| 4 | Insider transaction | Feb 23, 2022 | Feb 22, 2022 |
| 4 | Insider transaction | Feb 1, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 1, 2022 | Feb 1, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 1, 2022 | — |
| 4 | Insider transaction | Dec 23, 2021 | Dec 21, 2021 |
| 4 | Insider transaction | Dec 23, 2021 | Dec 21, 2021 |
| 4 | Insider transaction | Dec 6, 2021 | Dec 6, 2021 |
| 4 | Insider transaction | Dec 6, 2021 | Dec 6, 2021 |
| 4 | Insider transaction | Dec 6, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Dec 3, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Dec 2, 2021 | Dec 2, 2021 |
| 4 | Insider transaction | Dec 2, 2021 | Dec 2, 2021 |
| 4 | Insider transaction | Dec 2, 2021 | Dec 2, 2021 |
| 4 | Insider transaction | Dec 1, 2021 | Nov 29, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 1, 2021 | — |
| 4 | Insider transaction | Oct 7, 2021 | Oct 5, 2021 |
| 4 | Insider transaction | Oct 7, 2021 | Oct 5, 2021 |
| 4 | Insider transaction | Oct 7, 2021 | Oct 5, 2021 |
| 4 | Insider transaction | Oct 7, 2021 | Oct 5, 2021 |
| 4 | Insider transaction | Oct 7, 2021 | Oct 5, 2021 |
| 4 | Insider transaction | Oct 7, 2021 | Oct 5, 2021 |
| 4 | Insider transaction | Jul 8, 2021 | Jul 6, 2021 |
| 3 | Initial insider ownership | Jul 8, 2021 | Jul 6, 2021 |
| 4 | Insider transaction | Apr 20, 2021 | Apr 19, 2021 |
| 4 | Insider transaction | Apr 20, 2021 | Apr 19, 2021 |
| 4 | Insider transaction | Apr 20, 2021 | Apr 20, 2021 |
| 4 | Insider transaction | Mar 26, 2021 | Mar 24, 2021 |
| 4 | Insider transaction | Mar 26, 2021 | Mar 24, 2021 |
| 4 | Insider transaction | Mar 26, 2021 | Mar 24, 2021 |
| 4 | Insider transaction | Mar 26, 2021 | Mar 24, 2021 |
| 4 | Insider transaction | Mar 26, 2021 | Mar 24, 2021 |
| 4 | Insider transaction | Mar 26, 2021 | Mar 24, 2021 |
| 4 | Insider transaction | Mar 26, 2021 | Mar 24, 2021 |
| 4 | Insider transaction | Feb 25, 2021 | Feb 23, 2021 |
| 4 | Insider transaction | Feb 25, 2021 | Feb 23, 2021 |
| 4 | Insider transaction | Feb 17, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 17, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 11, 2021 | Feb 10, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 5, 2021 | — |
| 4 | Insider transaction | Feb 4, 2021 | Feb 3, 2021 |
| 4 | Insider transaction | Feb 2, 2021 | Feb 2, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 2, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 5, 2021 | — |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 5, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 5, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 5, 2020 |
| 4 | Insider transaction | Sep 22, 2020 | Sep 22, 2020 |
| 4/A | Form 4/a submission | Sep 17, 2020 | Jul 17, 2020 |
| 4 | Insider transaction | Sep 17, 2020 | Sep 17, 2020 |
| 4 | Insider transaction | Sep 15, 2020 | Sep 14, 2020 |
| 4 | Insider transaction | Jul 28, 2020 | Jul 15, 2020 |
| 4 | Insider transaction | Jul 21, 2020 | Jul 17, 2020 |
| 4 | Insider transaction | Jul 21, 2020 | Jul 17, 2020 |
| 4 | Insider transaction | Jul 21, 2020 | Jul 17, 2020 |
| 4 | Insider transaction | Jul 21, 2020 | Jul 17, 2020 |
| 4 | Insider transaction | Jul 21, 2020 | Jul 17, 2020 |
| 4 | Insider transaction | Jul 21, 2020 | Jul 17, 2020 |
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
- OTLK (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- DE
- Headquarters
- Iselin, NJ
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1649989
- Former names
- Oncobiologics, Inc. (until Nov 13, 2018)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.