Aldeyra Therapeutics, Inc. SEC filings ALDX
Aldeyra Therapeutics, Inc. has 647 filings in SEC EDGAR's recent list, going back to Oct 6, 2005. Its latest annual report, Form ARS, was filed on Apr 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Sep 29, 2026 (regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 29, 2026 | Sep 29, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 12, 2026 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Material agreement
|
Jul 30, 2026 | Jul 28, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 27, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 15, 2026 | Jul 14, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 3 | Initial insider ownership | Jun 11, 2026 | Jun 9, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
|
Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 1, 2026 | May 1, 2026 |
| ARS | Annual report to shareholders | Apr 27, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 27, 2026 | — |
| DEF 14A | Proxy statement | Apr 27, 2026 | Jun 10, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 20, 2026 | Apr 20, 2026 |
| 8-K |
Current report
Other events
|
Apr 1, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 27, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 20, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 17, 2026 | Mar 17, 2026 |
| S-8 | Employee stock plan registration | Feb 27, 2026 | — |
| 10-K | Annual report | Feb 27, 2026 | Dec 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Dec 31, 2025 | Dec 23, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 16, 2025 | Dec 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 13, 2025 | Nov 13, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Other events
|
Oct 28, 2025 | Oct 28, 2025 |
| 8-K | Current report | Aug 19, 2025 | Aug 19, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 4 | Insider transaction | Aug 13, 2025 | Aug 11, 2025 |
| 144 | Notice of proposed sale | Aug 12, 2025 | — |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Other events
|
Jul 17, 2025 | Jul 17, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 26, 2025 | Jun 26, 2025 |
| 8-K |
Current report
Other events
|
Jun 17, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2025 | Jun 10, 2025 |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 6, 2025 | May 5, 2025 |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 17, 2025 |
| 3 | Initial insider ownership | Apr 18, 2025 | Apr 17, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 17, 2025 | Apr 17, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 7, 2025 | — |
| 4 | Insider transaction | Apr 7, 2025 | Apr 3, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 3, 2025 | Apr 3, 2025 |
| 10-K/A | Amended annual report | Mar 28, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Mar 6, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 6, 2025 | Mar 4, 2025 |
| S-8 | Employee stock plan registration | Feb 28, 2025 | — |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Nov 18, 2024 | Nov 15, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 21, 2024 | May 3, 2021 |
| 8-K |
Current report
Other events
|
Oct 3, 2024 | Oct 3, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 2, 2024 | Sep 30, 2024 |
| 3 | Initial insider ownership | Sep 10, 2024 | Aug 31, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 3, 2024 | Aug 29, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 144 | Notice of proposed sale | Aug 12, 2024 | — |
| 144 | Notice of proposed sale | Aug 12, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 8, 2024 | Aug 8, 2024 |
| 424B5 | Prospectus supplement | Aug 1, 2024 | — |
| 8-K |
Current report
Material agreement
|
Aug 1, 2024 | Aug 1, 2024 |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Other events
|
Jun 20, 2024 | Jun 20, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 13, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 25, 2024 | Apr 25, 2024 |
| EFFECT | Filing | Apr 24, 2024 | — |
| CORRESP | Letter to the SEC | Apr 22, 2024 | — |
| ARS | Annual report to shareholders | Apr 22, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 22, 2024 | — |
| DEF 14A | Proxy statement | Apr 22, 2024 | Jun 4, 2024 |
| 4/A | Filing | Apr 17, 2024 | Mar 12, 2024 |
| 4/A | Filing | Apr 17, 2024 | Mar 11, 2024 |
| 4 | Insider transaction | Apr 8, 2024 | Apr 4, 2024 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 28, 2024 | Mar 28, 2024 |
| UPLOAD | Letter from the SEC | Mar 13, 2024 | — |
| 4 | Insider transaction | Mar 12, 2024 | Mar 9, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 9, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 9, 2024 |
| 144 | Notice of proposed sale | Mar 12, 2024 | — |
| 144 | Notice of proposed sale | Mar 11, 2024 | — |
| 144 | Notice of proposed sale | Mar 11, 2024 | — |
| 144 | Notice of proposed sale | Mar 11, 2024 | — |
| S-3 | Shelf registration | Mar 7, 2024 | — |
| S-8 | Employee stock plan registration | Mar 7, 2024 | — |
| S-8 POS | Filing | Mar 7, 2024 | — |
| 10-K | Annual report | Mar 7, 2024 | Dec 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 13, 2024 | Feb 13, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 29, 2024 | — |
| 8-K |
Current report
Other events
|
Jan 4, 2024 | Jan 4, 2024 |
| 8-K |
Current report
Other events
|
Dec 21, 2023 | Dec 21, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 19, 2023 | Dec 19, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 28, 2023 | Nov 27, 2023 |
| S-8 | Employee stock plan registration | Nov 3, 2023 | — |
| 10-Q | Quarterly report | Nov 3, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Material agreement
|
Nov 1, 2023 | Oct 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 19, 2023 | — |
| 4 | Insider transaction | Oct 18, 2023 | Oct 16, 2023 |
| 8-K |
Current report
Other events
|
Oct 16, 2023 | Oct 10, 2023 |
| SC 13G | Ownership over 5% (passive) | Oct 4, 2023 | — |
| 4 | Insider transaction | Sep 11, 2023 | Sep 7, 2023 |
| 4 | Insider transaction | Sep 11, 2023 | Sep 7, 2023 |
| 4 | Insider transaction | Aug 24, 2023 | Aug 22, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jul 3, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jun 29, 2023 | Jun 27, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 29, 2023 | Jun 29, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 27, 2023 | Jun 27, 2023 |
| 8-K |
Current report
Other events
|
Jun 21, 2023 | Jun 21, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 15, 2023 | Jun 15, 2023 |
| ARS | Annual report to shareholders | May 24, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | May 23, 2023 | Jun 30, 2023 |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
May 4, 2023 | May 4, 2023 |
| 10-K/A | Amended annual report | Apr 28, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2023 | Mar 10, 2023 |
| S-8 | Employee stock plan registration | Mar 9, 2023 | — |
| 10-K | Annual report | Mar 9, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Mar 9, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Feb 28, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Feb 28, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Feb 28, 2023 |
| 8-K |
Current report
Other events
|
Mar 2, 2023 | Mar 2, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 8-K |
Current report
Other events
|
Feb 7, 2023 | Feb 7, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2023 | — |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Dec 27, 2022 | Dec 22, 2022 |
| 8-K |
Current report
Other events
|
Dec 21, 2022 | Dec 21, 2022 |
| 8-K |
Current report
Other events
|
Dec 1, 2022 | Dec 1, 2022 |
| 8-K |
Current report
Other events
|
Nov 29, 2022 | Nov 29, 2022 |
| 10-Q | Quarterly report | Nov 10, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 10, 2022 | Nov 10, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 6, 2022 | Oct 6, 2022 |
| 8-K |
Current report
Other events
|
Sep 14, 2022 | Sep 14, 2022 |
| 4 | Insider transaction | Aug 11, 2022 | Aug 9, 2022 |
| 4 | Insider transaction | Aug 10, 2022 | Aug 8, 2022 |
| 4 | Insider transaction | Aug 9, 2022 | Aug 5, 2022 |
| 4 | Insider transaction | Aug 8, 2022 | Aug 4, 2022 |
| 4 | Insider transaction | Aug 5, 2022 | Aug 3, 2022 |
| 10-Q | Quarterly report | Aug 5, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 5, 2022 | Aug 5, 2022 |
| 4 | Insider transaction | Aug 4, 2022 | Aug 2, 2022 |
| 4 | Insider transaction | Aug 3, 2022 | Aug 1, 2022 |
| 4 | Insider transaction | Aug 2, 2022 | Jul 29, 2022 |
| 4 | Insider transaction | Aug 1, 2022 | Jul 28, 2022 |
| 4 | Insider transaction | Jul 19, 2022 | Jul 15, 2022 |
| 4 | Insider transaction | Jul 19, 2022 | Jul 15, 2022 |
| 4 | Insider transaction | Jul 19, 2022 | Jul 15, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 12, 2022 | Jul 12, 2022 |
| SC 13G | Ownership over 5% (passive) | Jul 8, 2022 | — |
| 4 | Insider transaction | Jun 27, 2022 | Jun 23, 2022 |
| 4 | Insider transaction | Jun 27, 2022 | Jun 23, 2022 |
| 4 | Insider transaction | Jun 9, 2022 | Jun 7, 2022 |
| 4 | Insider transaction | Jun 9, 2022 | Jun 7, 2022 |
| 4 | Insider transaction | Jun 9, 2022 | Jun 7, 2022 |
| 4 | Insider transaction | Jun 9, 2022 | Jun 7, 2022 |
| 4 | Insider transaction | Jun 9, 2022 | Jun 7, 2022 |
| 4 | Insider transaction | Jun 9, 2022 | Jun 7, 2022 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure, Other events
|
Jun 8, 2022 | Jun 7, 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ALDX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Concord, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1341235
- Former names
- Aldexa Therapeutics, Inc. (until Mar 4, 2014); Neuron Systems Inc (until Aug 1, 2008)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.