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 |
|---|---|---|---|
| 8-K |
Current report
Listing notice
|
Sep 30, 2026 | Sep 25, 2026 |
| 8-K |
Current report
Other events
|
Sep 18, 2026 | Sep 16, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 27, 2026 | Aug 23, 2026 |
| 10-Q | Quarterly report | Aug 18, 2026 | Jun 30, 2026 |
| NT 10-Q | Filing | Aug 17, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Other events
|
Aug 14, 2026 | Aug 12, 2026 |
| 424B5 | Prospectus supplement | Aug 14, 2026 | — |
| 8-K |
Current report
Results of operations
|
Aug 14, 2026 | Aug 14, 2026 |
| 424B5 | Prospectus supplement | Aug 12, 2026 | — |
| 8-K |
Current report
Results of operations, Other events
|
Aug 12, 2026 | Aug 12, 2026 |
| 8-K |
Current report
Other events
|
Jul 24, 2026 | Jul 24, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 24, 2026 | Jul 21, 2026 |
| EFFECT | Filing | Jul 21, 2026 | — |
| 424B3 | Prospectus | Jul 21, 2026 | — |
| S-3 | Shelf registration | Jul 17, 2026 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jul 16, 2026 | Jul 16, 2026 |
| DEFA14A | Additional proxy material | Jul 10, 2026 | — |
| DRS | Filing | Jul 8, 2026 | — |
| 8-K |
Current report
Listing notice
|
Jun 26, 2026 | Jun 26, 2026 |
| 8-K |
Current report
Other events
|
Jun 16, 2026 | Jun 16, 2026 |
| DEFA14A | Additional proxy material | Jun 1, 2026 | — |
| DEF 14A | Proxy statement | Jun 1, 2026 | Jul 16, 2026 |
| 8-K |
Current report
Other events
|
Jun 1, 2026 | Jun 1, 2026 |
| 8-K |
Current report
Other events
|
May 29, 2026 | May 29, 2026 |
| 424B5 | Prospectus supplement | May 29, 2026 | — |
| 8-K |
Current report
Other events
|
May 28, 2026 | May 28, 2026 |
| 8-K |
Current report
Other events
|
May 26, 2026 | May 26, 2026 |
| PRE 14A | Preliminary proxy statement | May 22, 2026 | Jul 16, 2026 |
| 8-K |
Current report
Results of operations
|
May 18, 2026 | May 15, 2026 |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| 424B5 | Prospectus supplement | May 13, 2026 | — |
| 8-K |
Current report
Material agreement, Agreement ended, Results of operations
|
May 13, 2026 | May 12, 2026 |
| D | Filing | May 7, 2026 | — |
| 8-K |
Current report
Unregistered share sale, Other events
|
Apr 23, 2026 | Apr 22, 2026 |
| 424B5 | Prospectus supplement | Apr 23, 2026 | — |
| 8-K |
Current report
Other events
|
Apr 21, 2026 | Apr 21, 2026 |
| 8-K |
Current report
Other events
|
Apr 7, 2026 | Apr 7, 2026 |
| 8-K |
Current report
Other events
|
Mar 25, 2026 | Mar 23, 2026 |
| 424B5 | Prospectus supplement | Mar 25, 2026 | — |
| 424B5 | Prospectus supplement | Mar 23, 2026 | — |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Mar 16, 2026 | Mar 13, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 11, 2026 | Mar 6, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Mar 10, 2026 | Mar 10, 2026 |
| 8-K |
Current report
Other events
|
Mar 5, 2026 | Mar 5, 2026 |
| 8-K |
Current report
Listing notice
|
Feb 18, 2026 | Feb 18, 2026 |
| 10-Q | Quarterly report | Feb 17, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 17, 2026 | Feb 17, 2026 |
| 8-K |
Current report
Other events
|
Feb 11, 2026 | Feb 11, 2026 |
| ARS | Annual report to shareholders | Jan 26, 2026 | Sep 30, 2025 |
| DEFA14A | Additional proxy material | Jan 26, 2026 | — |
| DEF 14A | Proxy statement | Jan 26, 2026 | Mar 10, 2026 |
| 8-K |
Current report
Other events
|
Jan 2, 2026 | Dec 31, 2025 |
| 10-K | Annual report | Dec 19, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Dec 19, 2025 | Dec 19, 2025 |
| 8-K |
Current report
Other events
|
Nov 13, 2025 | Nov 13, 2025 |
| 8-K |
Current report
Other events
|
Nov 3, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Other events
|
Sep 29, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 5, 2025 | Sep 5, 2025 |
| 8-K |
Current report
Other events
|
Sep 2, 2025 | Aug 28, 2025 |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2025 | Aug 14, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 1, 2025 | Jun 28, 2025 |
| 8-K |
Current report
Other events
|
Jun 2, 2025 | Jun 2, 2025 |
| 424B5 | Prospectus supplement | May 23, 2025 | — |
| 8-K |
Current report
Other events
|
May 23, 2025 | May 22, 2025 |
| 424B5 | Prospectus supplement | May 22, 2025 | — |
| 8-K |
Current report
Results of operations
|
May 15, 2025 | May 15, 2025 |
| 10-Q | Quarterly report | May 15, 2025 | Mar 31, 2025 |
| 424B3 | Prospectus | May 14, 2025 | — |
| 424B3 | Prospectus | May 14, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Apr 11, 2025 | Apr 9, 2025 |
| 8-K |
Current report
Other events
|
Apr 8, 2025 | Apr 8, 2025 |
| EFFECT | Filing | Mar 28, 2025 | — |
| 424B3 | Prospectus | Mar 28, 2025 | — |
| CORRESP | Letter to the SEC | Mar 26, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 26, 2025 | — |
| S-3 | Shelf registration | Mar 20, 2025 | — |
| 8-K |
Current report
Agreement ended, Bylaw or fiscal year change, Shareholder vote results
|
Mar 14, 2025 | Mar 11, 2025 |
| EFFECT | Filing | Mar 7, 2025 | — |
| 424B3 | Prospectus | Mar 7, 2025 | — |
| CORRESP | Letter to the SEC | Mar 5, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 4, 2025 | — |
| S-3 | Shelf registration | Feb 28, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 28, 2025 | Feb 28, 2025 |
| 10-Q | Quarterly report | Feb 14, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2025 | Feb 14, 2025 |
| ARS | Annual report to shareholders | Feb 10, 2025 | Sep 30, 2024 |
| DEF 14A | Proxy statement | Feb 10, 2025 | Mar 11, 2025 |
| PRE 14A | Preliminary proxy statement | Jan 31, 2025 | Jan 31, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Officer or director change
|
Jan 31, 2025 | Jan 30, 2025 |
| D | Filing | Jan 27, 2025 | — |
| 10-K/A | Amended annual report | Jan 23, 2025 | Sep 30, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Other events
|
Jan 16, 2025 | Jan 16, 2025 |
| 10-K | Annual report | Dec 27, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Dec 27, 2024 | Dec 27, 2024 |
| 8-K |
Current report
Exit or restructuring costs
|
Dec 16, 2024 | Dec 10, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 4, 2024 | Dec 3, 2024 |
| 8-K |
Current report
Other events
|
Nov 27, 2024 | Nov 27, 2024 |
| S-8 | Employee stock plan registration | Aug 14, 2024 | — |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2024 | Aug 14, 2024 |
| 8-K |
Current report
Other events
|
Jul 8, 2024 | Jul 8, 2024 |
| DEF 14A | Proxy statement | Jun 26, 2024 | Aug 12, 2024 |
| PRE 14A | Preliminary proxy statement | Jun 14, 2024 | Aug 12, 2024 |
| 8-K |
Current report
Other events
|
May 28, 2024 | May 28, 2024 |
| 8-K |
Current report
Results of operations
|
May 15, 2024 | May 15, 2024 |
| 10-Q | Quarterly report | May 15, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Other events
|
May 13, 2024 | May 13, 2024 |
| EFFECT | Filing | May 6, 2024 | — |
| 424B3 | Prospectus | May 6, 2024 | — |
| CORRESP | Letter to the SEC | May 2, 2024 | — |
| UPLOAD | Letter from the SEC | May 1, 2024 | — |
| 8-K |
Current report
Other events
|
May 1, 2024 | May 1, 2024 |
| S-3 | Shelf registration | Apr 26, 2024 | — |
| D | Filing | Apr 16, 2024 | — |
| 8-K |
Current report
Unregistered share sale
|
Apr 15, 2024 | Apr 15, 2024 |
| 424B5 | Prospectus supplement | Apr 12, 2024 | — |
| 8-K |
Current report
Other events
|
Apr 12, 2024 | Apr 12, 2024 |
| EFFECT | Filing | Apr 5, 2024 | — |
| CORRESP | Letter to the SEC | Apr 3, 2024 | — |
| UPLOAD | Letter from the SEC | Apr 3, 2024 | — |
| 8-K |
Current report
Other events
|
Apr 2, 2024 | Apr 1, 2024 |
| EFFECT | Filing | Apr 1, 2024 | — |
| 424B3 | Prospectus | Apr 1, 2024 | — |
| D | Filing | Mar 29, 2024 | — |
| S-8 | Employee stock plan registration | Mar 28, 2024 | — |
| S-3 | Shelf registration | Mar 28, 2024 | — |
| CORRESP | Letter to the SEC | Mar 28, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 28, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Mar 26, 2024 | Mar 20, 2024 |
| S-3 | Shelf registration | Mar 25, 2024 | — |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change
|
Mar 18, 2024 | Mar 13, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Mar 7, 2024 | Mar 7, 2024 |
| 10-Q | Quarterly report | Feb 14, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2024 | Feb 14, 2024 |
| ARS | Annual report to shareholders | Feb 8, 2024 | Sep 30, 2023 |
| DEF 14A | Proxy statement | Feb 8, 2024 | Mar 7, 2024 |
| PRE 14A | Preliminary proxy statement | Jan 29, 2024 | Jan 29, 2024 |
| 10-K/A | Amended annual report | Jan 24, 2024 | Sep 30, 2023 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Jan 24, 2024 | Jan 22, 2024 |
| 10-K | Annual report | Dec 22, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Dec 22, 2023 | Dec 22, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 6, 2023 | Nov 30, 2023 |
| 8-K |
Current report
Other events
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Listing notice
|
Oct 20, 2023 | Oct 16, 2023 |
| 8-K |
Current report
Other events
|
Aug 30, 2023 | Aug 30, 2023 |
| EFFECT | Filing | Aug 25, 2023 | — |
| 424B5 | Prospectus supplement | Aug 25, 2023 | — |
| CORRESP | Letter to the SEC | Aug 23, 2023 | — |
| UPLOAD | Letter from the SEC | Aug 22, 2023 | — |
| S-3 | Shelf registration | Aug 14, 2023 | — |
| 10-Q | Quarterly report | Aug 14, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2023 | Aug 14, 2023 |
| 424B5 | Prospectus supplement | May 16, 2023 | — |
| 8-K |
Current report
Material agreement, Agreement ended
|
May 16, 2023 | May 15, 2023 |
| 10-Q | Quarterly report | May 15, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 15, 2023 | May 15, 2023 |
| 8-K/A |
Amended current report
Bylaw or fiscal year change, Shareholder vote results
|
Apr 3, 2023 | Mar 30, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Mar 30, 2023 | Mar 29, 2023 |
| ARS | Annual report to shareholders | Feb 15, 2023 | Sep 30, 2022 |
| DEF 14A | Proxy statement | Feb 15, 2023 | Mar 29, 2023 |
| S-8 | Employee stock plan registration | Feb 14, 2023 | — |
| 10-Q | Quarterly report | Feb 14, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2023 | Feb 14, 2023 |
| PRE 14A | Preliminary proxy statement | Jan 27, 2023 | Mar 29, 2023 |
| 10-K/A | Amended annual report | Jan 24, 2023 | Sep 30, 2022 |
| D | Filing | Jan 6, 2023 | — |
| D | Filing | Jan 6, 2023 | — |
| 10-K | Annual report | Dec 29, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Dec 29, 2022 | Dec 29, 2022 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Dec 23, 2022 | Dec 23, 2022 |
| 424B5 | Prospectus supplement | Dec 23, 2022 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Dec 22, 2022 | Dec 22, 2022 |
| 8-K |
Current report
Officer or director change
|
Nov 23, 2022 | Nov 18, 2022 |
| 8-K |
Current report
Officer or director change
|
Aug 15, 2022 | Aug 11, 2022 |
| 10-Q | Quarterly report | Aug 10, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2022 | Aug 10, 2022 |
| 424B5 | Prospectus supplement | Jun 17, 2022 | — |
| 8-K |
Current report
Other events
|
Jun 17, 2022 | Jun 17, 2022 |
| 8-K |
Current report
Officer or director change
|
Jun 7, 2022 | Jun 2, 2022 |
| 8-K |
Current report
Other events
|
May 31, 2022 | May 31, 2022 |
| 10-Q | Quarterly report | May 13, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 13, 2022 | May 13, 2022 |
| 8-K |
Current report
Material agreement
|
Apr 22, 2022 | Apr 21, 2022 |
| 8-K |
Current report
Other events
|
Mar 31, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Mar 25, 2022 | Mar 21, 2022 |
| 25-NSE | Delisting notice | Feb 16, 2022 | — |
| S-8 | Employee stock plan registration | Feb 15, 2022 | — |
| 10-Q | Quarterly report | Feb 14, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2022 | Feb 14, 2022 |
| DEF 14A | Proxy statement | Jan 27, 2022 | Mar 23, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 23, 2021 | Dec 21, 2021 |
| 10-K | Annual report | Dec 23, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Dec 22, 2021 | Dec 22, 2021 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Nov 29, 2021 | Nov 23, 2021 |
| 424B5 | Prospectus supplement | Nov 24, 2021 | — |
| FWP | Free writing prospectus | Nov 24, 2021 | — |
| FWP | Free writing prospectus | Nov 23, 2021 | — |
| 424B5 | Prospectus supplement | Nov 23, 2021 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Nov 16, 2021 | Nov 16, 2021 |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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)
Other Biological Products, (No Diagnostic Substances) companies
- Amgen Inc AMGN
- Gilead Sciences, Inc. GILD
- Moderna, Inc. MRNA
- Argenx SE ARGX
- Revolution Medicines, Inc. RVMD
- Biogen Inc. BIIB
- BioNTech SE BNTX
- Exelixis, Inc. EXEL
All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.