Cabaletta Bio, Inc. SEC filings CABA
Cabaletta Bio, Inc. has 448 filings in SEC EDGAR's recent list, going back to Dec 10, 2018. Its latest annual report, Form ARS, was filed on Apr 28, 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 Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2026 | — |
| SCHEDULE 13G/A | Amended 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 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 12, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 31, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 27, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 23, 2026 | — |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jun 5, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jun 4, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 18, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 4 | Insider transaction | Jan 21, 2026 | Jan 21, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 21, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 21, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 21, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 21, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 21, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 21, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 21, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 7, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 7, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 7, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2025 | — |
| 4 | Insider transaction | Oct 15, 2025 | Oct 13, 2025 |
| 3 | Initial insider ownership | Oct 15, 2025 | Oct 13, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 11, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 16, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 20, 2025 | — |
| 4 | Insider transaction | Jun 9, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 6, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 5, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 5, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 17, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Aug 22, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jun 10, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jun 6, 2024 | — |
| 4 | Insider transaction | Jun 4, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 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 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 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 24, 2024 | — |
| 4 | Insider transaction | Jan 19, 2024 | Jan 19, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 8, 2024 | — |
| 4 | Insider transaction | Dec 19, 2023 | Dec 19, 2023 |
| 4 | Insider transaction | Nov 21, 2023 | Nov 20, 2023 |
| 144 | Notice of proposed sale | Nov 20, 2023 | — |
| 4 | Insider transaction | Oct 19, 2023 | Oct 19, 2023 |
| 144 | Notice of proposed sale | Oct 19, 2023 | — |
| 4 | Insider transaction | Sep 20, 2023 | Sep 19, 2023 |
| 144 | Notice of proposed sale | Sep 19, 2023 | — |
| 4 | Insider transaction | Aug 22, 2023 | Aug 21, 2023 |
| 144 | Notice of proposed sale | Aug 21, 2023 | — |
| 4 | Insider transaction | Jul 24, 2023 | Jul 21, 2023 |
| 3 | Initial insider ownership | Jul 24, 2023 | Jul 21, 2023 |
| 4 | Insider transaction | Jul 19, 2023 | Jul 19, 2023 |
| 144 | Notice of proposed sale | Jul 19, 2023 | — |
| 4 | Insider transaction | Jun 21, 2023 | Jun 20, 2023 |
| 144 | Notice of proposed sale | Jun 20, 2023 | — |
| 144 | Notice of proposed sale | Jun 20, 2023 | — |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| SC 13G | Ownership over 5% (passive) | Jun 1, 2023 | — |
| SC 13G | Ownership over 5% (passive) | May 26, 2023 | — |
| 4 | Insider transaction | May 19, 2023 | May 19, 2023 |
| 144 | Notice of proposed sale | May 19, 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 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| 4 | Insider transaction | Jan 27, 2023 | Jan 18, 2023 |
| 4 | Insider transaction | Jan 27, 2023 | Jan 18, 2023 |
| 4 | Insider transaction | Jan 27, 2023 | Jan 18, 2023 |
| 4 | Insider transaction | Jan 27, 2023 | Jan 18, 2023 |
| 4 | Insider transaction | Jan 27, 2023 | Jan 18, 2023 |
| 4 | Insider transaction | Jan 27, 2023 | Jan 18, 2023 |
| SC 13G | Ownership over 5% (passive) | Jan 13, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Dec 23, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Nov 7, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Oct 31, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Oct 31, 2022 | — |
| 4 | Insider transaction | Oct 19, 2022 | Oct 19, 2022 |
| 4 | Insider transaction | Oct 18, 2022 | Oct 18, 2022 |
| 4 | Insider transaction | Oct 18, 2022 | Oct 18, 2022 |
| 4 | Insider transaction | Oct 18, 2022 | Oct 18, 2022 |
| 4 | Insider transaction | Oct 18, 2022 | Oct 18, 2022 |
| 4 | Insider transaction | Oct 18, 2022 | Oct 18, 2022 |
| SC 13G | Ownership over 5% (passive) | Aug 22, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 3, 2022 | — |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| 4 | Insider transaction | Feb 2, 2022 | Jan 31, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 18, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 18, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 18, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 18, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 18, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 18, 2022 |
| 3 | Initial insider ownership | Jan 13, 2022 | Jan 5, 2022 |
| 4 | Insider transaction | Nov 3, 2021 | Nov 1, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 3, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Nov 1, 2021 | — |
| 4 | Insider transaction | Sep 9, 2021 | Sep 7, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 9, 2021 | — |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 3 | Initial insider ownership | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Jun 28, 2021 | Jun 24, 2021 |
| 4/A | Form 4/a submission | Jun 28, 2021 | Jun 1, 2021 |
| 3 | Initial insider ownership | Jun 28, 2021 | Jun 24, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Mar 1, 2021 |
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
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- CABA (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Philadelphia, PA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1759138
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.