Rein Therapeutics, Inc. SEC filings RNTX
Rein Therapeutics, Inc. has 525 filings in SEC EDGAR's recent list, going back to Dec 3, 2007. Its latest annual report, Form ARS, was filed on Jun 8, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 4, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 14, 2026 | — |
| 4 | Insider transaction | May 28, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 13, 2026 | Apr 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 8, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 8, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 7, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 6, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Oct 28, 2025 | Oct 24, 2025 |
| 3 | Initial insider ownership | Oct 3, 2025 | Sep 24, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Sep 26, 2025 | — |
| 4 | Insider transaction | Jul 23, 2025 | Jul 23, 2025 |
| 4 | Insider transaction | Jul 23, 2025 | Jul 23, 2025 |
| 4 | Insider transaction | Jul 23, 2025 | Jul 23, 2025 |
| 4 | Insider transaction | Jul 23, 2025 | Jul 23, 2025 |
| 4 | Insider transaction | Jul 23, 2025 | Jul 23, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2024 | — |
| 4 | Insider transaction | Aug 22, 2024 | Aug 20, 2024 |
| 4 | Insider transaction | Aug 22, 2024 | Aug 20, 2024 |
| 4 | Insider transaction | Aug 22, 2024 | Aug 20, 2024 |
| 4 | Insider transaction | Aug 22, 2024 | Aug 20, 2024 |
| 4 | Insider transaction | Aug 22, 2024 | Aug 20, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 12, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 3 | Initial insider ownership | May 16, 2024 | May 16, 2024 |
| 4/A | Primary document | May 14, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 1, 2024 | May 1, 2024 |
| 3 | Initial insider ownership | Apr 30, 2024 | Feb 28, 2024 |
| 144 | Notice of proposed sale | Apr 29, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 16, 2024 | — |
| 4/A | Filing | Apr 10, 2024 | Feb 28, 2024 |
| 4/A | Filing | Apr 10, 2024 | Feb 28, 2024 |
| 3 | Initial insider ownership | Apr 2, 2024 | Mar 25, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 5, 2024 |
| SC 13G | Ownership over 5% (passive) | Mar 5, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 5, 2024 | — |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2024 | — |
| 4 | Insider transaction | Dec 18, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Nov 21, 2023 | Nov 20, 2023 |
| SC 13G | Ownership over 5% (passive) | Nov 13, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 3, 2023 | — |
| 4 | Insider transaction | Nov 2, 2023 | Oct 31, 2023 |
| 4 | Insider transaction | Nov 2, 2023 | Oct 31, 2023 |
| 3 | Initial insider ownership | Nov 2, 2023 | Oct 31, 2023 |
| 3 | Initial insider ownership | Nov 2, 2023 | Oct 31, 2023 |
| 3 | Initial insider ownership | Nov 2, 2023 | Oct 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 3 | Initial insider ownership | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2020 |
| 4/A | Form 4/a submission | Mar 30, 2022 | Mar 30, 2022 |
| 4/A | Form 4/a submission | Mar 30, 2022 | Mar 30, 2022 |
| 4/A | Form 4/a submission | Mar 30, 2022 | Mar 30, 2022 |
| 4/A | Form 4/a submission | Mar 30, 2022 | Mar 30, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 22, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 22, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 22, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 22, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Jan 19, 2021 | — |
| 4 | Insider transaction | Jan 8, 2021 | Jan 8, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 8, 2021 | — |
| 4 | Insider transaction | Jun 24, 2020 | Jun 23, 2020 |
| 4 | Insider transaction | Jun 18, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 18, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 18, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 18, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 18, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 18, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 17, 2020 | Jun 15, 2020 |
| 4 | Insider transaction | Jun 9, 2020 | Jun 8, 2020 |
| 4 | Insider transaction | Jun 9, 2020 | Jun 8, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 9, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Jun 8, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 16, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 13, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 18, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| 4 | Insider transaction | Feb 4, 2020 | Jan 31, 2020 |
| 4 | Insider transaction | Feb 4, 2020 | Jan 31, 2020 |
| 4 | Insider transaction | Feb 4, 2020 | Jan 31, 2020 |
| 4 | Insider transaction | Feb 4, 2020 | Jan 31, 2020 |
| 4 | Insider transaction | Feb 4, 2020 | Jan 31, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2020 | — |
| 4 | Insider transaction | Nov 18, 2019 | Nov 14, 2019 |
| 4 | Insider transaction | Nov 14, 2019 | Nov 12, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2019 | — |
| 4 | Insider transaction | Sep 16, 2019 | Sep 12, 2019 |
| 4 | Insider transaction | Sep 5, 2019 | Sep 4, 2019 |
| 4 | Insider transaction | Sep 4, 2019 | Aug 30, 2019 |
| 4 | Insider transaction | Sep 3, 2019 | Aug 29, 2019 |
| 4 | Insider transaction | Aug 20, 2019 | Aug 16, 2019 |
| 4 | Insider transaction | Aug 15, 2019 | Aug 13, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 13, 2019 | — |
| 4 | Insider transaction | Jun 24, 2019 | Jun 19, 2019 |
| 4 | Insider transaction | Jun 24, 2019 | Jun 19, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 19, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 19, 2019 |
| 4 | Insider transaction | Jun 21, 2019 | Jun 19, 2019 |
| 4 | Insider transaction | Jun 21, 2019 | Jun 19, 2019 |
| 4 | Insider transaction | Jun 21, 2019 | Jun 19, 2019 |
| 4 | Insider transaction | Jun 21, 2019 | Jun 19, 2019 |
| 4 | Insider transaction | Jun 21, 2019 | Jun 19, 2019 |
| SC 13G | Ownership over 5% (passive) | Apr 26, 2019 | — |
| 4 | Insider transaction | Apr 17, 2019 | Apr 15, 2019 |
| 4 | Insider transaction | Apr 17, 2019 | Apr 15, 2019 |
| 4 | Insider transaction | Apr 17, 2019 | Apr 15, 2019 |
| 4 | Insider transaction | Apr 17, 2019 | Apr 15, 2019 |
| 4 | Insider transaction | Apr 17, 2019 | Apr 15, 2019 |
| 4 | Insider transaction | Apr 17, 2019 | Apr 15, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 11, 2019 | — |
| SC 13D | Ownership over 5% (active) | Apr 10, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Apr 9, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Apr 8, 2019 | — |
| 4 | Insider transaction | Apr 3, 2019 | Apr 2, 2019 |
| 3 | Initial insider ownership | Apr 3, 2019 | Apr 2, 2019 |
| 3 | Initial insider ownership | Apr 3, 2019 | Mar 27, 2019 |
| 3 | Initial insider ownership | Apr 3, 2019 | Apr 2, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 3, 2019 | — |
| 4 | Insider transaction | Apr 2, 2019 | Mar 29, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 18, 2019 | — |
| 4 | Insider transaction | Mar 15, 2019 | Mar 13, 2019 |
| 4 | Insider transaction | Feb 25, 2019 | Feb 25, 2019 |
| 3 | Initial insider ownership | Feb 25, 2019 | Feb 25, 2019 |
| 4 | Insider transaction | Nov 6, 2018 | Nov 5, 2018 |
| 3 | Initial insider ownership | Nov 6, 2018 | Nov 3, 2018 |
| 3 | Initial insider ownership | Nov 6, 2018 | Nov 5, 2018 |
| 4 | Insider transaction | Sep 7, 2018 | Sep 6, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 22, 2018 | — |
| 4 | Insider transaction | Aug 22, 2018 | Aug 20, 2018 |
| 4 | Insider transaction | Aug 20, 2018 | Aug 16, 2018 |
| 4 | Insider transaction | Aug 16, 2018 | Aug 14, 2018 |
| 4 | Insider transaction | Aug 14, 2018 | Aug 10, 2018 |
| 4 | Insider transaction | Aug 14, 2018 | Aug 10, 2018 |
| 4/A | Form 4/a submission | Aug 14, 2018 | Jul 5, 2017 |
| 4 | Insider transaction | Aug 10, 2018 | Aug 8, 2018 |
| 4 | Insider transaction | Aug 8, 2018 | Aug 6, 2018 |
| 4 | Insider transaction | Aug 6, 2018 | Aug 2, 2018 |
| 4 | Insider transaction | Aug 2, 2018 | Jul 31, 2018 |
| 4 | Insider transaction | Jul 31, 2018 | Jul 27, 2018 |
| 4 | Insider transaction | Jul 27, 2018 | Jul 25, 2018 |
| 4 | Insider transaction | Jul 25, 2018 | Jul 23, 2018 |
| 4 | Insider transaction | Jul 18, 2018 | Jul 16, 2018 |
| 4 | Insider transaction | Jul 10, 2018 | Jul 6, 2018 |
| 4 | Insider transaction | Jul 10, 2018 | Jul 6, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 10, 2018 | — |
| 4 | Insider transaction | Jun 26, 2018 | Jun 22, 2018 |
| 4 | Insider transaction | Jun 25, 2018 | Jun 21, 2018 |
| 4 | Insider transaction | Jun 25, 2018 | Jun 21, 2018 |
| 4 | Insider transaction | Jun 25, 2018 | Jun 21, 2018 |
| 4 | Insider transaction | Jun 25, 2018 | Jun 21, 2018 |
| 4 | Insider transaction | Jun 25, 2018 | Jun 21, 2018 |
| 4 | Insider transaction | Jun 25, 2018 | Jun 21, 2018 |
| 4 | Insider transaction | Jun 21, 2018 | Jun 20, 2018 |
| 4 | Insider transaction | Jun 19, 2018 | Jun 15, 2018 |
| 4 | Insider transaction | Jun 14, 2018 | Jun 12, 2018 |
| 4 | Insider transaction | Jun 12, 2018 | Jun 8, 2018 |
| 4 | Insider transaction | Jun 11, 2018 | Jun 7, 2018 |
| 4 | Insider transaction | Jun 8, 2018 | Jun 6, 2018 |
| 4 | Insider transaction | Jun 4, 2018 | Jun 1, 2018 |
| 4 | Insider transaction | May 17, 2018 | May 15, 2018 |
| 3 | Initial insider ownership | May 17, 2018 | May 15, 2018 |
| 4 | Insider transaction | Apr 19, 2018 | Apr 17, 2018 |
| 4 | Insider transaction | Mar 19, 2018 | Mar 15, 2018 |
| 3 | Initial insider ownership | Mar 19, 2018 | Mar 15, 2018 |
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
- RNTX (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Austin, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1420565
- Former names
- Aileron Therapeutics, Inc. (until Dec 9, 2024); AILERON THERAPEUTICS INC (until Mar 29, 2024)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.