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.

Enanta Pharmaceuticals Inc SEC filings
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
SCHEDULE 13G Ownership over 5% (passive) Oct 27, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 14, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 14, 2026 —
10-Q Quarterly report Aug 12, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 10, 2026 Aug 10, 2026
4 Insider transaction Aug 10, 2026 Aug 8, 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
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 26, 2026 —
8-K Current report
Other events
Mar 26, 2026 Mar 20, 2026
4 Insider transaction Mar 13, 2026 Mar 11, 2026
4 Insider transaction Mar 13, 2026 Mar 11, 2026
4 Insider transaction Mar 13, 2026 Mar 11, 2026
4 Insider transaction Mar 13, 2026 Mar 11, 2026
4 Insider transaction Mar 13, 2026 Mar 11, 2026
4 Insider transaction Mar 13, 2026 Mar 11, 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 —
4 Insider transaction Feb 13, 2026 Feb 12, 2026
4 Insider transaction Feb 13, 2026 Feb 12, 2026
4 Insider transaction Feb 13, 2026 Feb 12, 2026
4 Insider transaction Feb 13, 2026 Feb 12, 2026
4 Insider transaction Feb 13, 2026 Feb 12, 2026
4 Insider transaction Feb 13, 2026 Feb 12, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 13, 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
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 5, 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
SCHEDULE 13G/A Amended ownership over 5% (passive) Jan 20, 2026 —
4 Insider transaction Dec 5, 2025 Dec 5, 2025
4 Insider transaction Dec 5, 2025 Dec 5, 2025
4 Insider transaction Dec 5, 2025 Dec 5, 2025
4 Insider transaction Dec 5, 2025 Dec 5, 2025
4 Insider transaction Dec 5, 2025 Dec 5, 2025
4 Insider transaction Dec 5, 2025 Dec 5, 2025
4 Insider transaction Dec 5, 2025 Dec 5, 2025
144 Notice of proposed sale Dec 5, 2025 —
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Nov 26, 2025 Nov 25, 2025
4 Insider transaction Nov 26, 2025 Nov 25, 2025
4 Insider transaction Nov 26, 2025 Nov 25, 2025
4 Insider transaction Nov 26, 2025 Nov 25, 2025
4 Insider transaction Nov 26, 2025 Nov 25, 2025
4 Insider transaction Nov 26, 2025 Nov 25, 2025
4 Insider transaction Nov 26, 2025 Nov 25, 2025
4 Insider transaction Nov 26, 2025 Nov 25, 2025
10-K Annual report Nov 19, 2025 Sep 30, 2025
8-K Current report
Results of operations
Nov 17, 2025 Nov 17, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Nov 13, 2025 —
SCHEDULE 13G Ownership over 5% (passive) Nov 7, 2025 —
SCHEDULE 13G Ownership over 5% (passive) Oct 9, 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
3 Initial insider ownership Sep 8, 2025 Aug 26, 2025
3 Initial insider ownership Sep 8, 2025 Aug 26, 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
4 Insider transaction Aug 8, 2025 Aug 8, 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
SCHEDULE 13G/A Amended ownership over 5% (passive) Apr 17, 2025 —
8-K Current report
Officer or director change, Shareholder vote results
Mar 17, 2025 Mar 13, 2025
4 Insider transaction Mar 14, 2025 Mar 13, 2025
4 Insider transaction Mar 14, 2025 Mar 13, 2025
4 Insider transaction Mar 14, 2025 Mar 13, 2025
4 Insider transaction Mar 14, 2025 Mar 13, 2025
4 Insider transaction Mar 14, 2025 Mar 13, 2025
4 Insider transaction Mar 14, 2025 Mar 13, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Feb 14, 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 14, 2025 Feb 12, 2025
4 Insider transaction Feb 14, 2025 Feb 12, 2025
4 Insider transaction Feb 12, 2025 Feb 12, 2025
10-Q Quarterly report Feb 12, 2025 Dec 31, 2024
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 11, 2025 —
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
SCHEDULE 13G Ownership over 5% (passive) Jan 22, 2025 —
4 Insider transaction Dec 10, 2024 Dec 6, 2024
4 Insider transaction Dec 10, 2024 Dec 6, 2024
4 Insider transaction Dec 10, 2024 Dec 6, 2024
4 Insider transaction Dec 10, 2024 Dec 6, 2024
4 Insider transaction Dec 10, 2024 Dec 6, 2024
4 Insider transaction Dec 10, 2024 Dec 6, 2024
8-K Current report
Regulation FD disclosure, Other events
Dec 9, 2024 Dec 9, 2024
4 Insider transaction Dec 3, 2024 Dec 1, 2024
4 Insider transaction Dec 3, 2024 Dec 1, 2024
4 Insider transaction Dec 3, 2024 Dec 1, 2024
4 Insider transaction Dec 3, 2024 Dec 1, 2024
4 Insider transaction Dec 3, 2024 Dec 1, 2024
4 Insider transaction Nov 27, 2024 Nov 27, 2024
4 Insider transaction Nov 27, 2024 Nov 27, 2024
4 Insider transaction Nov 27, 2024 Nov 27, 2024
4 Insider transaction Nov 27, 2024 Nov 27, 2024
4 Insider transaction Nov 27, 2024 Nov 27, 2024
4 Insider transaction Nov 27, 2024 Nov 27, 2024
4 Insider transaction Nov 27, 2024 Nov 27, 2024
10-K Annual report Nov 27, 2024 Sep 30, 2024
8-K Current report
Results of operations
Nov 25, 2024 Nov 25, 2024
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Oct 17, 2024 —
4 Insider transaction Aug 9, 2024 Aug 8, 2023
10-Q Quarterly report Aug 7, 2024 Jun 30, 2024
8-K Current report
Results of operations
Aug 5, 2024 Aug 5, 2024
4 Insider transaction Jul 15, 2024 Jul 11, 2024
144 Notice of proposed sale Jul 11, 2024 —
4 Insider transaction Jun 17, 2024 Jun 17, 2024
144 Notice of proposed sale Jun 17, 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
4 Insider transaction May 1, 2024 Apr 29, 2024
3 Initial insider ownership May 1, 2024 Apr 29, 2024
8-K Current report
Officer or director change, Shareholder vote results
Mar 12, 2024 Mar 6, 2024
4 Insider transaction Mar 8, 2024 Mar 6, 2024
4 Insider transaction Mar 8, 2024 Mar 6, 2024
4 Insider transaction Mar 8, 2024 Mar 6, 2024
4 Insider transaction Mar 8, 2024 Mar 6, 2024
4 Insider transaction Mar 8, 2024 Mar 6, 2024
4 Insider transaction Mar 8, 2024 Mar 6, 2024
4 Insider transaction Feb 27, 2024 Feb 26, 2024
SCHEDULE 13G Ownership over 5% (passive) Feb 27, 2024 —
UPLOAD Letter from the SEC Feb 26, 2024 —
4 Insider transaction Feb 14, 2024 Feb 12, 2024
4 Insider transaction Feb 14, 2024 Feb 12, 2024
4 Insider transaction Feb 14, 2024 Feb 12, 2024
4 Insider transaction Feb 14, 2024 Feb 12, 2024
4 Insider transaction Feb 14, 2024 Feb 12, 2024
4 Insider transaction Feb 14, 2024 Feb 12, 2024
4 Insider transaction Feb 14, 2024 Feb 12, 2024
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2024 —
CORRESP Letter to the SEC Feb 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 13, 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
SC 13G/A Amended ownership over 5% (passive) Jan 26, 2024 —
SC 13G/A Amended ownership over 5% (passive) Jan 24, 2024 —
SC 13G/A Amended ownership over 5% (passive) Jan 22, 2024 —
SC 13G Ownership over 5% (passive) Jan 11, 2024 —
8-K Current report
Officer or director change
Dec 26, 2023 Dec 19, 2023
4 Insider transaction Dec 15, 2023 Dec 13, 2023
144 Notice of proposed sale Dec 12, 2023 —
4 Insider transaction Dec 6, 2023 Dec 5, 2023
4 Insider transaction Dec 6, 2023 Dec 5, 2023
4 Insider transaction Dec 6, 2023 Dec 5, 2023
4 Insider transaction Dec 6, 2023 Dec 5, 2023
4 Insider transaction Dec 6, 2023 Dec 5, 2023
4 Insider transaction Dec 6, 2023 Dec 5, 2023
4 Insider transaction Dec 6, 2023 Dec 5, 2023
4 Insider transaction Dec 5, 2023 Dec 1, 2023
4 Insider transaction Dec 5, 2023 Dec 1, 2023
4 Insider transaction Dec 5, 2023 Dec 1, 2023
4 Insider transaction Dec 5, 2023 Dec 1, 2023
4 Insider transaction Dec 5, 2023 Dec 1, 2023
4 Insider transaction Dec 5, 2023 Dec 1, 2023
UPLOAD Letter from the SEC Nov 27, 2023 —
4 Insider transaction Nov 22, 2023 Nov 22, 2023
4 Insider transaction Nov 22, 2023 Nov 22, 2023
4 Insider transaction Nov 22, 2023 Nov 22, 2023
4 Insider transaction Nov 22, 2023 Nov 22, 2023
4 Insider transaction Nov 22, 2023 Nov 22, 2023
4 Insider transaction Nov 22, 2023 Nov 22, 2023
4 Insider transaction Nov 22, 2023 Nov 22, 2023
S-3 Shelf registration Nov 22, 2023 —
10-K Annual report Nov 22, 2023 Sep 30, 2023

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.

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

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.