Autolus Therapeutics plc SEC filings AUTL

Autolus Therapeutics plc has 336 filings in SEC EDGAR's recent list, going back to Feb 9, 2018. Its latest annual report, Form 10-K, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 11, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.

Autolus Therapeutics plc SEC filings
Form Description Filed Period
EFFECT Filing Sep 22, 2026 —
424B3 Prospectus Sep 22, 2026 —
DEL AM Filing Sep 15, 2026 —
S-3 Shelf registration Sep 14, 2026 —
4 Insider transaction Sep 3, 2026 Sep 1, 2026
144 Notice of proposed sale Sep 2, 2026 —
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 28, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 14, 2026 —
10-Q Quarterly report Aug 11, 2026 Jun 30, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Aug 11, 2026 Aug 11, 2026
8-K Current report
Regulation FD disclosure, Other events
Aug 3, 2026 Aug 3, 2026
8-K Current report
Material agreement, New debt, Unregistered share sale
Aug 3, 2026 Jul 30, 2026
4 Insider transaction Jul 1, 2026 Jun 29, 2026
4 Insider transaction Jul 1, 2026 Jun 29, 2026
4 Insider transaction Jul 1, 2026 Jun 29, 2026
4 Insider transaction Jul 1, 2026 Jun 29, 2026
4 Insider transaction Jul 1, 2026 Jun 29, 2026
4 Insider transaction Jul 1, 2026 Jun 29, 2026
4 Insider transaction Jul 1, 2026 Jun 29, 2026
4 Insider transaction Jul 1, 2026 Jun 29, 2026
4 Insider transaction Jul 1, 2026 Jun 29, 2026
8-K Current report
Shareholder vote results
Jun 29, 2026 Jun 29, 2026
8-K Current report
Other events
Jun 9, 2026 Jun 5, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) May 15, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) May 15, 2026 —
10-Q Quarterly report May 14, 2026 Mar 31, 2026
8-K Current report
Results of operations, Regulation FD disclosure
May 14, 2026 May 14, 2026
EFFECT Filing May 5, 2026 —
EFFECT Filing May 5, 2026 —
CORRESP Letter to the SEC May 1, 2026 —
CORRESP Letter to the SEC May 1, 2026 —
8-K Current report
Exit or restructuring costs, Regulation FD disclosure
Apr 29, 2026 Apr 29, 2026
8-K Current report
Auditor change
Apr 16, 2026 Apr 14, 2026
UPLOAD Letter from the SEC Apr 15, 2026 —
UPLOAD Letter from the SEC Apr 15, 2026 —
DEL AM Filing Apr 15, 2026 —
DEL AM Filing Apr 15, 2026 —
S-3 Shelf registration Apr 13, 2026 —
S-3 Shelf registration Apr 13, 2026 —
8-K Current report
Regulation FD disclosure
Apr 8, 2026 Apr 8, 2026
10-K Annual report Mar 27, 2026 Dec 31, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Mar 27, 2026 Mar 27, 2026
3 Initial insider ownership Mar 23, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
3 Initial insider ownership Mar 18, 2026 Mar 18, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 17, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 13, 2026 —
424B3 Prospectus Jan 26, 2026 —
8-K Current report
Material agreement
Jan 26, 2026 Jan 21, 2026
424B3 Prospectus Jan 12, 2026 —
8-K Current report
Regulation FD disclosure, Other events
Jan 12, 2026 Jan 12, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Dec 3, 2025 —
424B3 Prospectus Dec 2, 2025 —
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 2, 2025 Dec 1, 2025
S-8 Employee stock plan registration Nov 18, 2025 —
SCHEDULE 13G Ownership over 5% (passive) Nov 14, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Nov 14, 2025 —
424B3 Prospectus Nov 12, 2025 —
10-Q Quarterly report Nov 12, 2025 Sep 30, 2025
8-K Current report
Results of operations, Officer or director change, Regulation FD disclosure
Nov 12, 2025 Nov 12, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Oct 6, 2025 —
424B3 Prospectus Aug 12, 2025 —
10-Q Quarterly report Aug 12, 2025 Jun 30, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Aug 12, 2025 Aug 12, 2025
424B3 Prospectus Jun 30, 2025 —
8-K Current report
Shareholder vote results
Jun 27, 2025 Jun 26, 2025
SCHEDULE 13G Ownership over 5% (passive) Jun 25, 2025 —
8-K Current report
Other events
Jun 2, 2025 Jun 2, 2025
424B3 Prospectus May 30, 2025 —
8-K Current report
Officer or director change
May 30, 2025 May 23, 2025
EFFECT Filing May 15, 2025 —
424B3 Prospectus May 15, 2025 —
CORRESP Letter to the SEC May 13, 2025 —
UPLOAD Letter from the SEC May 12, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) May 12, 2025 —
S-1 Registration statement May 8, 2025 —
10-Q Quarterly report May 8, 2025 Mar 31, 2025
8-K Current report
Results of operations, Regulation FD disclosure
May 8, 2025 May 8, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) May 7, 2025 —
8-K Current report
Regulation FD disclosure
Apr 23, 2025 Apr 23, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Apr 4, 2025 —
8-K Current report
Officer or director change
Apr 3, 2025 Feb 28, 2025
EFFECT Filing Mar 21, 2025 —
POS AM Filing Mar 20, 2025 —
10-K Annual report Mar 20, 2025 Dec 31, 2024
POSASR Filing Mar 20, 2025 —
8-K Current report
Results of operations, Regulation FD disclosure
Mar 20, 2025 Mar 20, 2025
8-K Current report
Regulation FD disclosure
Jan 13, 2025 Jan 13, 2025
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
S-8 Employee stock plan registration Nov 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
10-Q Quarterly report Nov 12, 2024 Sep 30, 2024
SC 13G Ownership over 5% (passive) Nov 12, 2024 —
8-K Current report
Results of operations, Regulation FD disclosure
Nov 12, 2024 Nov 12, 2024
8-K Current report
Regulation FD disclosure, Other events
Nov 12, 2024 Nov 8, 2024
SC 13G Ownership over 5% (passive) Nov 8, 2024 —
UPLOAD Letter from the SEC Nov 7, 2024 —
SC 13D/A Amended ownership over 5% (active) Oct 25, 2024 —
CORRESP Letter to the SEC Sep 30, 2024 —
8-K Current report
Regulation FD disclosure
Sep 26, 2024 Sep 26, 2024
UPLOAD Letter from the SEC Sep 19, 2024 —
8-K Current report
Other events
Sep 19, 2024 Sep 13, 2024
144 Notice of proposed sale Sep 16, 2024 —
8-K Current report
Material agreement
Sep 13, 2024 Sep 10, 2024
10-Q Quarterly report Aug 8, 2024 Jun 30, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Aug 8, 2024 Aug 8, 2024
8-K Current report
Shareholder vote results
Jun 28, 2024 Jun 28, 2024
8-K Current report
Other events
Jun 5, 2024 Jun 5, 2024
8-K Current report
Regulation FD disclosure
Jun 3, 2024 May 31, 2024
SC 13D/A Amended ownership over 5% (active) May 21, 2024 —
10-Q Quarterly report May 17, 2024 Mar 31, 2024
8-K Current report
Results of operations, Regulation FD disclosure
May 17, 2024 May 17, 2024
NT 10-Q Filing May 13, 2024 May 13, 2024
8-K Current report
Regulation FD disclosure
May 13, 2024 May 13, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
Apr 1, 2024 Mar 26, 2024
S-3ASR Automatic shelf registration Mar 28, 2024 —
SC 13D/A Amended ownership over 5% (active) Mar 25, 2024 —
10-K Annual report Mar 21, 2024 Dec 31, 2023
8-K Current report
Restatement
Mar 21, 2024 Mar 21, 2024
8-K/A Amended current report
Results of operations
Mar 15, 2024 Mar 14, 2024
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Mar 14, 2024 Mar 14, 2024
D Filing Feb 23, 2024 —
SC 13D Ownership over 5% (active) Feb 21, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2024 —
8-K Current report
Regulation FD disclosure
Feb 13, 2024 Feb 13, 2024
424B5 Prospectus supplement Feb 9, 2024 —
8-K Current report
Material agreement, Regulation FD disclosure
Feb 8, 2024 Feb 8, 2024
8-K Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
Feb 8, 2024 Feb 6, 2024
S-3ASR Automatic shelf registration Feb 8, 2024 —
SC 13G/A Amended ownership over 5% (passive) Jan 31, 2024 —
8-K Current report
Regulation FD disclosure
Jan 26, 2024 Jan 22, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
Jan 10, 2024 Jan 9, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 22, 2023 Dec 19, 2023
8-K Current report
Regulation FD disclosure
Dec 11, 2023 Dec 9, 2023
8-K Current report
Regulation FD disclosure
Nov 27, 2023 Nov 27, 2023
10-Q Quarterly report Nov 9, 2023 Sep 30, 2023
8-K Current report
Regulation FD disclosure
Nov 9, 2023 Nov 9, 2023
S-8 Employee stock plan registration Nov 3, 2023 —
6-K Current report (foreign issuer) Nov 2, 2023 Sep 30, 2023
S-8 Employee stock plan registration Aug 7, 2023 —
6-K Current report (foreign issuer) Aug 3, 2023 Jun 30, 2023
6-K Current report (foreign issuer) Jul 21, 2023 Jul 21, 2023
SC 13G Ownership over 5% (passive) Jul 10, 2023 —
6-K/A Filing Jul 7, 2023 Jun 22, 2023
6-K Current report (foreign issuer) Jul 6, 2023 Jul 3, 2023
6-K Current report (foreign issuer) Jun 20, 2023 Jun 20, 2023
6-K Current report (foreign issuer) Jun 6, 2023 Jun 6, 2023
6-K Current report (foreign issuer) Jun 6, 2023 Jun 6, 2023
6-K Current report (foreign issuer) May 4, 2023 Mar 31, 2023
SC 13G Ownership over 5% (passive) Mar 20, 2023 —
6-K Current report (foreign issuer) Mar 14, 2023 Mar 14, 2023
20-F Annual report (foreign issuer) Mar 7, 2023 Dec 31, 2022
F-6EF Filing Mar 1, 2023 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2023 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2023 —
SC 13G Ownership over 5% (passive) Feb 14, 2023 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2023 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2023 —
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2023 —
6-K Current report (foreign issuer) Jan 23, 2023 Jan 23, 2023
6-K Current report (foreign issuer) Dec 21, 2022 Dec 21, 2022
SC 13G Ownership over 5% (passive) Dec 19, 2022 —
SC 13D/A Amended ownership over 5% (active) Dec 13, 2022 —
SC 13G Ownership over 5% (passive) Dec 13, 2022 —
6-K Current report (foreign issuer) Dec 12, 2022 Dec 9, 2022
424B5 Prospectus supplement Dec 12, 2022 —
6-K Current report (foreign issuer) Dec 8, 2022 Dec 8, 2022
424B5 Prospectus supplement Dec 8, 2022 —
6-K/A Filing Nov 21, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Nov 3, 2022 Sep 30, 2022
SC 13D/A Amended ownership over 5% (active) Oct 5, 2022 —
6-K Current report (foreign issuer) Aug 4, 2022 Jun 30, 2022
6-K Current report (foreign issuer) Jul 1, 2022 Jun 30, 2022
6-K Current report (foreign issuer) Jun 1, 2022 Jun 1, 2022
424B3 Prospectus May 18, 2022 —
EFFECT Filing May 17, 2022 —
CORRESP Letter to the SEC May 13, 2022 —
UPLOAD Letter from the SEC May 9, 2022 —

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
Biological Products, (No Diagnostic Substances) (SIC 2836)
Listed as
AUTL (Nasdaq)
Fiscal year ends
December 31
Incorporated in
United Kingdom
Headquarters
London, United Kingdom
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1730463
Former names
Autolus Therapeutics Ltd (until Jun 8, 2018)

Other Biological Products, (No Diagnostic Substances) companies

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