Taysha Gene Therapies, Inc. SEC filings TSHA
Taysha Gene Therapies, Inc. has 401 filings in SEC EDGAR's recent list, going back to May 4, 2020. Its latest annual report, Form ARS, was filed on Apr 22, 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). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Aug 11, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2026 | Aug 11, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 25, 2026 | Jun 24, 2026 |
| 424B5 | Prospectus supplement | Jun 25, 2026 | — |
| 424B5 | Prospectus supplement | Jun 24, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 22, 2026 | Jun 22, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 2, 2026 | Jun 1, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| ARS | Annual report to shareholders | Apr 22, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 22, 2026 | — |
| DEF 14A | Proxy statement | Apr 22, 2026 | Jun 1, 2026 |
| 10-K | Annual report | Mar 19, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 19, 2026 | Mar 19, 2026 |
| S-8 | Employee stock plan registration | Jan 6, 2026 | — |
| S-3ASR | Automatic shelf registration | Nov 4, 2025 | — |
| 8-K |
Current report
Material agreement, Results of operations
|
Nov 4, 2025 | Nov 4, 2025 |
| 10-Q | Quarterly report | Nov 4, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Other events
|
Oct 16, 2025 | Oct 16, 2025 |
| 8-K |
Current report
Other events
|
Oct 9, 2025 | Oct 9, 2025 |
| 8-K |
Current report
Other events
|
Oct 2, 2025 | Oct 2, 2025 |
| 10-Q | Quarterly report | Aug 12, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2025 | Aug 12, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 3, 2025 | Jun 2, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
May 29, 2025 | May 28, 2025 |
| 424B5 | Prospectus supplement | May 29, 2025 | — |
| 8-K/A |
Amended current report
Regulation FD disclosure, Other events
|
May 29, 2025 | May 28, 2025 |
| 424B5 | Prospectus supplement | May 28, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 28, 2025 | May 28, 2025 |
| 10-Q | Quarterly report | May 15, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 15, 2025 | May 15, 2025 |
| DEFR14A | Filing | May 9, 2025 | — |
| ARS | Annual report to shareholders | Apr 21, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 21, 2025 | — |
| DEF 14A | Proxy statement | Apr 21, 2025 | Jun 2, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 10, 2025 | Jun 2, 2025 |
| 10-K | Annual report | Feb 26, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| S-8 | Employee stock plan registration | Jan 7, 2025 | — |
| EFFECT | Filing | Dec 20, 2024 | — |
| CORRESP | Letter to the SEC | Dec 20, 2024 | — |
| CORRESP | Letter to the SEC | Dec 19, 2024 | — |
| UPLOAD | Letter from the SEC | Dec 18, 2024 | — |
| S-3 | Shelf registration | Dec 13, 2024 | — |
| 10-Q | Quarterly report | Nov 13, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2024 | Nov 13, 2024 |
| 10-Q | Quarterly report | Aug 12, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2024 | Aug 12, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 26, 2024 | Jun 26, 2024 |
| 424B5 | Prospectus supplement | Jun 26, 2024 | — |
| 8-K |
Current report
Results of operations, Other events
|
Jun 26, 2024 | Jun 25, 2024 |
| 424B5 | Prospectus supplement | Jun 26, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 18, 2024 | Jun 18, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 30, 2024 | May 29, 2024 |
| 8-K |
Current report
Results of operations
|
May 14, 2024 | May 14, 2024 |
| 10-Q | Quarterly report | May 14, 2024 | Mar 31, 2024 |
| DEFA14A | Additional proxy material | Apr 18, 2024 | — |
| ARS | Annual report to shareholders | Apr 18, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 18, 2024 | May 29, 2024 |
| S-8 | Employee stock plan registration | Mar 19, 2024 | — |
| 8-K |
Current report
Results of operations
|
Mar 19, 2024 | Mar 19, 2024 |
| 10-K | Annual report | Mar 19, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 10, 2024 | Jan 10, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 20, 2023 | Dec 14, 2023 |
| S-8 | Employee stock plan registration | Dec 20, 2023 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Nov 15, 2023 | Nov 15, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2023 | Nov 14, 2023 |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 1, 2023 | Oct 30, 2023 |
| DEF 14A | Proxy statement | Oct 5, 2023 | Nov 15, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 26, 2023 | Sep 26, 2023 |
| PRE 14A | Preliminary proxy statement | Sep 21, 2023 | Nov 15, 2023 |
| 8-K |
Current report
Other events
|
Sep 19, 2023 | Sep 19, 2023 |
| 424B3 | Prospectus | Sep 11, 2023 | — |
| EFFECT | Filing | Sep 8, 2023 | — |
| CORRESP | Letter to the SEC | Sep 7, 2023 | — |
| UPLOAD | Letter from the SEC | Sep 6, 2023 | — |
| S-3 | Shelf registration | Aug 30, 2023 | — |
| 8-K |
Current report
Other events
|
Aug 29, 2023 | Aug 28, 2023 |
| D | Filing | Aug 25, 2023 | — |
| 8-K |
Current report
Other events
|
Aug 24, 2023 | Aug 24, 2023 |
| 10-Q | Quarterly report | Aug 14, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Material agreement, Results of operations, Unregistered share sale, Other events
|
Aug 14, 2023 | Aug 14, 2023 |
| 8-K |
Current report
Listing notice
|
Aug 4, 2023 | Aug 3, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 31, 2023 | Jul 31, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 28, 2023 | Jun 28, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2023 | Jun 22, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 22, 2023 | Jun 20, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 6, 2023 | May 31, 2023 |
| 8-K |
Current report
Other events
|
Jun 5, 2023 | Jun 5, 2023 |
| 8-K |
Current report
Other events
|
May 19, 2023 | May 19, 2023 |
| 8-K |
Current report
Results of operations
|
May 15, 2023 | May 11, 2023 |
| 10-Q | Quarterly report | May 11, 2023 | Mar 31, 2023 |
| ARS | Annual report to shareholders | May 8, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | May 8, 2023 | — |
| DEF 14A | Proxy statement | May 8, 2023 | Jun 22, 2023 |
| 424B3 | Prospectus | May 4, 2023 | — |
| EFFECT | Filing | May 1, 2023 | — |
| CORRESP | Letter to the SEC | Apr 27, 2023 | — |
| 8-K |
Current report
Listing notice, Officer or director change
|
Apr 27, 2023 | Apr 24, 2023 |
| PRE 14A | Preliminary proxy statement | Apr 27, 2023 | Jun 22, 2023 |
| 10-K/A | Amended annual report | Apr 27, 2023 | Dec 31, 2022 |
| UPLOAD | Letter from the SEC | Apr 7, 2023 | — |
| S-3 | Shelf registration | Apr 5, 2023 | — |
| 424B5 | Prospectus supplement | Mar 29, 2023 | — |
| S-8 | Employee stock plan registration | Mar 28, 2023 | — |
| 10-K | Annual report | Mar 28, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 28, 2023 | Mar 28, 2023 |
| 8-K/A |
Amended current report
Officer or director change
|
Mar 8, 2023 | Dec 16, 2022 |
| 8-K |
Current report
Other events
|
Jan 31, 2023 | Jan 31, 2023 |
| 8-K |
Current report
Officer or director change
|
Jan 19, 2023 | Jan 12, 2023 |
| 8-K/A |
Amended current report
Officer or director change
|
Jan 6, 2023 | Dec 16, 2022 |
| 8-K |
Current report
Officer or director change, Other events
|
Dec 22, 2022 | Dec 16, 2022 |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2022 | Nov 8, 2022 |
| D | Filing | Nov 7, 2022 | — |
| 8-K/A |
Amended current report
Material agreement, Unregistered share sale, Other events
|
Oct 31, 2022 | Oct 21, 2022 |
| 8-K |
Current report
Material agreement, Other events
|
Oct 27, 2022 | Oct 26, 2022 |
| 424B5 | Prospectus supplement | Oct 27, 2022 | — |
| 8-K |
Current report
Results of operations, Other events
|
Oct 25, 2022 | Oct 25, 2022 |
| 424B5 | Prospectus supplement | Oct 25, 2022 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Oct 25, 2022 | Oct 21, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 9, 2022 | Sep 9, 2022 |
| 10-Q | Quarterly report | Aug 11, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2022 | Aug 11, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 21, 2022 | Jun 17, 2022 |
| 10-Q | Quarterly report | May 16, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 16, 2022 | May 16, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2022 | — |
| DEF 14A | Proxy statement | Apr 28, 2022 | Jun 17, 2022 |
| 424B5 | Prospectus supplement | Mar 31, 2022 | — |
| S-8 | Employee stock plan registration | Mar 31, 2022 | — |
| 10-K | Annual report | Mar 31, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Other events
|
Jan 31, 2022 | Jan 31, 2022 |
| 8-K |
Current report
Other events
|
Jan 27, 2022 | Jan 27, 2022 |
| 10-Q | Quarterly report | Nov 10, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2021 | Nov 10, 2021 |
| EFFECT | Filing | Oct 14, 2021 | — |
| CORRESP | Letter to the SEC | Oct 12, 2021 | — |
| UPLOAD | Letter from the SEC | Oct 12, 2021 | — |
| S-3 | Shelf registration | Oct 5, 2021 | — |
| 8-K |
Current report
Other events
|
Oct 5, 2021 | Oct 5, 2021 |
| 10-Q | Quarterly report | Aug 16, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 16, 2021 | Aug 16, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 29, 2021 | Jun 29, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 28, 2021 | Jun 28, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 17, 2021 | Jun 17, 2021 |
| S-8 | Employee stock plan registration | May 11, 2021 | — |
| 10-Q | Quarterly report | May 11, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 11, 2021 | May 11, 2021 |
| DEF 14A | Proxy statement | Apr 29, 2021 | Jun 17, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 14, 2021 | Apr 14, 2021 |
| 8-K |
Current report
Other events
|
Apr 12, 2021 | Apr 12, 2021 |
| 8-K |
Current report
Other events
|
Mar 9, 2021 | Mar 9, 2021 |
| 8-K/A |
Amended current report
Results of operations
|
Mar 5, 2021 | Nov 12, 2020 |
| 10-K | Annual report | Mar 3, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2021 | Mar 3, 2021 |
| 8-K |
Current report
Other events
|
Feb 12, 2021 | Feb 9, 2021 |
| 8-K |
Current report
Other events
|
Feb 1, 2021 | Feb 1, 2021 |
| 8-K |
Current report
Other events
|
Jan 19, 2021 | Jan 19, 2021 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 15, 2021 | Jan 11, 2021 |
| 8-K |
Current report
Other events
|
Dec 21, 2020 | Dec 21, 2020 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Dec 17, 2020 | Dec 17, 2020 |
| 8-K |
Current report
Other events
|
Dec 3, 2020 | Dec 3, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 24, 2020 | Nov 23, 2020 |
| 10-Q | Quarterly report | Nov 12, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Acquisition or sale of assets
|
Nov 12, 2020 | Nov 12, 2020 |
| 8-K |
Current report
Other events
|
Nov 5, 2020 | Nov 5, 2020 |
| 8-K |
Current report
Material agreement
|
Nov 4, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Other events
|
Oct 27, 2020 | Oct 27, 2020 |
| 8-K |
Current report
Other events
|
Oct 14, 2020 | Oct 14, 2020 |
| 8-K |
Current report
Other events
|
Oct 7, 2020 | Oct 6, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 29, 2020 | Sep 28, 2020 |
| S-8 | Employee stock plan registration | Sep 29, 2020 | — |
| 424B4 | Prospectus | Sep 25, 2020 | — |
| SEC STAFF LETTER | Filing | Sep 23, 2020 | — |
| EFFECT | Filing | Sep 23, 2020 | — |
| S-1MEF | Filing | Sep 23, 2020 | — |
| CERT | Filing | Sep 23, 2020 | — |
| CORRESP | Letter to the SEC | Sep 21, 2020 | — |
| CORRESP | Letter to the SEC | Sep 21, 2020 | — |
| 8-A12B | Filing | Sep 18, 2020 | — |
| S-1/A | Amended registration statement | Sep 18, 2020 | — |
| CORRESP | Letter to the SEC | Sep 17, 2020 | — |
| S-1/A | Amended registration statement | Sep 17, 2020 | — |
| UPLOAD | Letter from the SEC | Sep 16, 2020 | — |
| SEC STAFF LETTER | Filing | Sep 11, 2020 | — |
| CORRESP | Letter to the SEC | Sep 8, 2020 | — |
| S-1/A | Amended registration statement | Sep 8, 2020 | — |
| S-1 | Registration statement | Sep 2, 2020 | — |
| UPLOAD | Letter from the SEC | Sep 2, 2020 | — |
| D | Filing | Aug 18, 2020 | — |
| DRS | Filing | Aug 3, 2020 | — |
| D | Filing | May 4, 2020 | — |
Showing 195 filings. 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
- TSHA (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Dallas, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1806310
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.