Enanta Pharmaceuticals Inc SEC filings ENTA
Enanta Pharmaceuticals Inc has 835 filings in SEC EDGAR's recent list, going back to Jun 21, 2002. 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 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (other events). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Oct 29, 2026 | Oct 29, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 28, 2026 | Oct 28, 2026 |
| 10-Q | Quarterly report | Aug 12, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2026 | Aug 10, 2026 |
| 8-K |
Current report
Material agreement
|
Jul 2, 2026 | Jul 2, 2026 |
| 424B5 | Prospectus supplement | Jul 2, 2026 | — |
| 8-K |
Current report
Other events
|
Jun 23, 2026 | Jun 23, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 18, 2026 | Jun 18, 2026 |
| S-8 | Employee stock plan registration | May 13, 2026 | — |
| 10-Q | Quarterly report | May 13, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 11, 2026 | May 11, 2026 |
| 8-K |
Current report
Other events
|
Mar 26, 2026 | Mar 20, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Mar 12, 2026 | Mar 11, 2026 |
| EFFECT | Filing | Feb 20, 2026 | — |
| CORRESP | Letter to the SEC | Feb 17, 2026 | — |
| UPLOAD | Letter from the SEC | Feb 17, 2026 | — |
| S-3 | Shelf registration | Feb 11, 2026 | — |
| 10-Q | Quarterly report | Feb 11, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 9, 2026 | Feb 9, 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 11, 2026 |
| 10-K | Annual report | Nov 19, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 17, 2025 | Nov 17, 2025 |
| 8-K |
Current report
Other events
|
Oct 1, 2025 | Sep 30, 2025 |
| 424B5 | Prospectus supplement | Oct 1, 2025 | — |
| 424B5 | Prospectus supplement | Sep 30, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 29, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 29, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 27, 2025 | Aug 26, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 20, 2025 | Aug 20, 2025 |
| 10-Q | Quarterly report | Aug 13, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2025 | Aug 11, 2025 |
| S-8 | Employee stock plan registration | May 14, 2025 | — |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 12, 2025 | May 12, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Mar 17, 2025 | Mar 13, 2025 |
| 10-Q | Quarterly report | Feb 12, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 10, 2025 | Feb 10, 2025 |
| ARS | Annual report to shareholders | Jan 27, 2025 | Sep 30, 2024 |
| DEFA14A | Additional proxy material | Jan 27, 2025 | — |
| DEF 14A | Proxy statement | Jan 27, 2025 | Mar 13, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 9, 2024 | Dec 9, 2024 |
| 10-K | Annual report | Nov 27, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 25, 2024 | Nov 25, 2024 |
| 10-Q | Quarterly report | Aug 7, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2024 | Aug 5, 2024 |
| S-8 | Employee stock plan registration | May 8, 2024 | — |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 6, 2024 | May 6, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Mar 12, 2024 | Mar 6, 2024 |
| UPLOAD | Letter from the SEC | Feb 26, 2024 | — |
| CORRESP | Letter to the SEC | Feb 14, 2024 | — |
| EFFECT | Filing | Feb 8, 2024 | — |
| 10-Q | Quarterly report | Feb 8, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2024 | Feb 7, 2024 |
| UPLOAD | Letter from the SEC | Feb 7, 2024 | — |
| CORRESP | Letter to the SEC | Feb 6, 2024 | — |
| ARS | Annual report to shareholders | Jan 26, 2024 | Sep 30, 2023 |
| DEFA14A | Additional proxy material | Jan 26, 2024 | — |
| DEF 14A | Proxy statement | Jan 26, 2024 | Mar 6, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 26, 2023 | Dec 19, 2023 |
| UPLOAD | Letter from the SEC | Nov 27, 2023 | — |
| S-3 | Shelf registration | Nov 22, 2023 | — |
| 10-K | Annual report | Nov 22, 2023 | Sep 30, 2023 |
| POSASR | Filing | Nov 22, 2023 | — |
| 8-K |
Current report
Results of operations
|
Nov 20, 2023 | Nov 20, 2023 |
| S-8 | Employee stock plan registration | Aug 8, 2023 | — |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2023 | Aug 7, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 7, 2023 | Jun 7, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 8, 2023 | May 8, 2023 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Apr 27, 2023 | Apr 25, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2023 | Mar 10, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Mar 7, 2023 | Mar 2, 2023 |
| 10-Q | Quarterly report | Feb 8, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2023 | Feb 7, 2023 |
| ARS | Annual report to shareholders | Feb 7, 2023 | Sep 30, 2022 |
| DEFA14A | Additional proxy material | Jan 20, 2023 | — |
| DEF 14A | Proxy statement | Jan 20, 2023 | Mar 2, 2023 |
| 10-K | Annual report | Nov 23, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 21, 2022 | Nov 21, 2022 |
| 8-K |
Current report
Material agreement
|
Aug 26, 2022 | Aug 26, 2022 |
| 424B5 | Prospectus supplement | Aug 26, 2022 | — |
| 10-Q | Quarterly report | Aug 8, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2022 | Aug 8, 2022 |
| 8-K |
Current report
Other events
|
Jun 22, 2022 | Jun 21, 2022 |
| 8-K |
Current report
Material agreement
|
May 17, 2022 | May 12, 2022 |
| S-8 | Employee stock plan registration | May 9, 2022 | — |
| 10-Q | Quarterly report | May 9, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 9, 2022 | May 9, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 9, 2022 | Mar 3, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Mar 8, 2022 | Mar 3, 2022 |
| NT 10-Q | Filing | Feb 10, 2022 | Dec 31, 2021 |
| 10-Q | Quarterly report | Feb 10, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 8, 2022 | Feb 8, 2022 |
| DEFA14A | Additional proxy material | Jan 21, 2022 | — |
| DEF 14A | Proxy statement | Jan 21, 2022 | Mar 3, 2022 |
| 10-K | Annual report | Nov 24, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 22, 2021 | Nov 22, 2021 |
| 8-K |
Current report
Officer or director change
|
Aug 23, 2021 | Aug 19, 2021 |
| S-3ASR | Automatic shelf registration | Aug 9, 2021 | — |
| 10-Q | Quarterly report | Aug 9, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 8-K |
Current report
Officer or director change
|
Jul 16, 2021 | Jul 14, 2021 |
| S-8 | Employee stock plan registration | May 10, 2021 | — |
| 10-Q | Quarterly report | May 10, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Mar 5, 2021 | Mar 2, 2021 |
| 10-Q | Quarterly report | Feb 9, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 8, 2021 | Feb 8, 2021 |
| 8-K |
Current report
Other events
|
Feb 5, 2021 | Feb 5, 2021 |
| DEFR14A | Filing | Jan 28, 2021 | — |
| DEF 14A | Proxy statement | Jan 21, 2021 | Mar 2, 2021 |
| DEFA14A | Additional proxy material | Jan 21, 2021 | — |
| 8-K |
Current report
Officer or director change
|
Dec 4, 2020 | Dec 1, 2020 |
| 10-K | Annual report | Nov 25, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 23, 2020 | Nov 23, 2020 |
| 10-Q | Quarterly report | Aug 10, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2020 | Aug 4, 2020 |
| 8-K |
Current report
Officer or director change
|
Jun 30, 2020 | Jun 29, 2020 |
| 10-Q | Quarterly report | May 11, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Mar 2, 2020 | Feb 26, 2020 |
| 10-Q | Quarterly report | Feb 10, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2020 | Feb 6, 2020 |
| DEFA14A | Additional proxy material | Jan 17, 2020 | — |
| DEF 14A | Proxy statement | Jan 17, 2020 | Feb 26, 2020 |
| 10-K | Annual report | Nov 27, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 21, 2019 | Nov 21, 2019 |
| 10-Q | Quarterly report | Aug 9, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2019 | Aug 6, 2019 |
| S-8 | Employee stock plan registration | May 10, 2019 | — |
| S-8 | Employee stock plan registration | May 10, 2019 | — |
| 10-Q | Quarterly report | May 10, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
May 7, 2019 | May 7, 2019 |
| 8-K/A |
Amended current report
Officer or director change
|
Mar 7, 2019 | Feb 28, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Mar 6, 2019 | Feb 28, 2019 |
| 10-Q | Quarterly report | Feb 8, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2019 | Feb 6, 2019 |
| DEFA14A | Additional proxy material | Jan 18, 2019 | — |
| DEF 14A | Proxy statement | Jan 18, 2019 | Feb 28, 2019 |
| 10-K | Annual report | Nov 29, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 26, 2018 | Nov 26, 2018 |
| 10-Q | Quarterly report | Aug 9, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2018 | Aug 7, 2018 |
| 10-Q | Quarterly report | May 10, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 8, 2018 | May 8, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Mar 2, 2018 | Feb 28, 2018 |
| 10-Q | Quarterly report | Feb 9, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2018 | Feb 7, 2018 |
| DEFA14A | Additional proxy material | Jan 19, 2018 | — |
| DEF 14A | Proxy statement | Jan 19, 2018 | Feb 28, 2018 |
| S-8 | Employee stock plan registration | Dec 11, 2017 | — |
| 10-K | Annual report | Dec 11, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 20, 2017 | Nov 20, 2017 |
| 8-K |
Current report
Officer or director change
|
Sep 13, 2017 | Sep 13, 2017 |
| 10-Q | Quarterly report | Aug 9, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2017 | Aug 7, 2017 |
| 10-Q | Quarterly report | May 10, 2017 | Mar 31, 2017 |
| 8-K/A |
Amended current report
Results of operations
|
May 9, 2017 | May 9, 2017 |
| 8-K |
Current report
Results of operations
|
May 8, 2017 | May 8, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Feb 21, 2017 | Feb 16, 2017 |
| 10-Q | Quarterly report | Feb 9, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Results of operations
|
Feb 8, 2017 | Feb 8, 2017 |
| DEFA14A | Additional proxy material | Jan 6, 2017 | — |
| DEF 14A | Proxy statement | Jan 6, 2017 | Feb 16, 2017 |
| 10-K/A | Amended annual report | Jan 6, 2017 | Sep 30, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 6, 2017 | Jan 6, 2017 |
| S-8 | Employee stock plan registration | Dec 9, 2016 | — |
| 10-K | Annual report | Dec 9, 2016 | Sep 30, 2016 |
| 8-K |
Current report
Officer or director change
|
Nov 22, 2016 | Nov 18, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 21, 2016 | Nov 21, 2016 |
| 10-Q | Quarterly report | Aug 9, 2016 | Jun 30, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2016 | Aug 8, 2016 |
| 10-Q | Quarterly report | May 10, 2016 | Mar 31, 2016 |
| 8-K |
Current report
Results of operations
|
May 9, 2016 | May 9, 2016 |
| CT ORDER | Filing | Feb 17, 2016 | — |
| 8-K |
Current report
Shareholder vote results
|
Feb 16, 2016 | Feb 11, 2016 |
| S-8 | Employee stock plan registration | Feb 16, 2016 | — |
| 10-Q | Quarterly report | Feb 9, 2016 | Dec 31, 2015 |
| 8-K |
Current report
Results of operations
|
Feb 8, 2016 | Feb 8, 2016 |
| DEF 14A | Proxy statement | Jan 13, 2016 | Feb 11, 2016 |
| 8-K |
Current report
Other events
|
Dec 14, 2015 | Dec 9, 2015 |
| 10-K | Annual report | Dec 11, 2015 | Sep 30, 2015 |
| 8-K |
Current report
Results of operations
|
Nov 23, 2015 | Nov 23, 2015 |
| 8-K |
Current report
Other events
|
Nov 20, 2015 | Nov 19, 2015 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 18, 2015 | Aug 14, 2015 |
| 10-Q | Quarterly report | Aug 10, 2015 | Jun 30, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2015 | Aug 6, 2015 |
| 10-Q | Quarterly report | May 8, 2015 | Mar 31, 2015 |
| 8-K |
Current report
Results of operations
|
May 7, 2015 | May 7, 2015 |
| CT ORDER | Filing | Mar 16, 2015 | — |
| 8-K |
Current report
Shareholder vote results
|
Feb 25, 2015 | Feb 19, 2015 |
| S-8 | Employee stock plan registration | Feb 24, 2015 | — |
| 10-Q | Quarterly report | Feb 6, 2015 | Dec 31, 2014 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2015 | Feb 5, 2015 |
| DEF 14A | Proxy statement | Jan 15, 2015 | Feb 19, 2015 |
| 8-K |
Current report
Other events
|
Dec 22, 2014 | Dec 19, 2014 |
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
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ENTA (Nasdaq)
- Fiscal year ends
- September 30
- Headquarters
- Watertown, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1177648
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.