Kalaris Therapeutics, Inc. SEC filings KLRS
Kalaris Therapeutics, Inc. has 699 filings in SEC EDGAR's recent list, going back to Oct 2, 2018. Its latest annual report, Form ARS, was filed on Apr 24, 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 |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 26, 2026 | — |
| 4 | Insider transaction | Aug 28, 2026 | Aug 27, 2026 |
| 4 | Insider transaction | Aug 3, 2026 | Aug 1, 2026 |
| 3 | Initial insider ownership | Aug 3, 2026 | Aug 1, 2026 |
| 3 | Initial insider ownership | Jul 27, 2026 | Jul 27, 2026 |
| 4 | Insider transaction | Jul 20, 2026 | Jul 20, 2026 |
| 3 | Initial insider ownership | Jul 20, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 3, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 22, 2026 | — |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 144 | Notice of proposed sale | Mar 20, 2026 | — |
| 4 | Insider transaction | Mar 20, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Dec 18, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 22, 2025 | — |
| 4 | Insider transaction | Dec 22, 2025 | Dec 22, 2025 |
| 4 | Insider transaction | Nov 3, 2025 | Nov 3, 2025 |
| 3 | Initial insider ownership | Nov 3, 2025 | Nov 3, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 3 | Initial insider ownership | Apr 4, 2025 | Apr 3, 2025 |
| 4 | Insider transaction | Mar 27, 2025 | Mar 26, 2025 |
| 3/A | Filing | Mar 26, 2025 | Mar 18, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Mar 25, 2025 | — |
| 3 | Initial insider ownership | Mar 25, 2025 | Mar 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 20, 2025 | — |
| 4 | Insider transaction | Mar 18, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 18, 2025 |
| 3 | Initial insider ownership | Mar 18, 2025 | Mar 18, 2025 |
| 3 | Initial insider ownership | Mar 18, 2025 | Mar 18, 2025 |
| 3 | Initial insider ownership | Mar 18, 2025 | Mar 18, 2025 |
| 3 | Initial insider ownership | Mar 18, 2025 | Mar 18, 2025 |
| 3 | Initial insider ownership | Mar 18, 2025 | Mar 18, 2025 |
| 3 | Initial insider ownership | Mar 18, 2025 | Mar 18, 2025 |
| 3 | Initial insider ownership | Mar 18, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 21, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 21, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 21, 2025 |
| 144 | Notice of proposed sale | Feb 24, 2025 | — |
| 144 | Notice of proposed sale | Feb 24, 2025 | — |
| 144 | Notice of proposed sale | Feb 24, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 144 | Notice of proposed sale | Jan 24, 2025 | — |
| 144 | Notice of proposed sale | Jan 24, 2025 | — |
| 144 | Notice of proposed sale | Jan 24, 2025 | — |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 144 | Notice of proposed sale | Jan 10, 2025 | — |
| 144 | Notice of proposed sale | Jan 10, 2025 | — |
| 144 | Notice of proposed sale | Jan 10, 2025 | — |
| 4 | Insider transaction | Dec 11, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Nov 20, 2024 | Nov 19, 2024 |
| 4 | Insider transaction | Nov 20, 2024 | Nov 19, 2024 |
| 4 | Insider transaction | Nov 20, 2024 | Nov 19, 2024 |
| 4 | Insider transaction | Nov 20, 2024 | Nov 19, 2024 |
| 144 | Notice of proposed sale | Nov 19, 2024 | — |
| 144 | Notice of proposed sale | Nov 19, 2024 | — |
| 144 | Notice of proposed sale | Nov 19, 2024 | — |
| 144 | Notice of proposed sale | Nov 19, 2024 | — |
| 4 | Insider transaction | Nov 6, 2024 | Nov 5, 2024 |
| 4 | Insider transaction | Nov 6, 2024 | Nov 5, 2024 |
| 4 | Insider transaction | Nov 6, 2024 | Nov 5, 2024 |
| 4 | Insider transaction | Nov 6, 2024 | Nov 5, 2024 |
| 144 | Notice of proposed sale | Nov 5, 2024 | — |
| 144 | Notice of proposed sale | Nov 5, 2024 | — |
| 144 | Notice of proposed sale | Nov 5, 2024 | — |
| 144 | Notice of proposed sale | Nov 5, 2024 | — |
| 4 | Insider transaction | Oct 23, 2024 | Oct 21, 2024 |
| 4 | Insider transaction | Oct 23, 2024 | Oct 21, 2024 |
| 4 | Insider transaction | Oct 23, 2024 | Oct 21, 2024 |
| 4 | Insider transaction | Oct 23, 2024 | Oct 21, 2024 |
| 144 | Notice of proposed sale | Oct 22, 2024 | — |
| 144 | Notice of proposed sale | Oct 22, 2024 | — |
| 144 | Notice of proposed sale | Oct 22, 2024 | — |
| 144 | Notice of proposed sale | Oct 21, 2024 | — |
| 144 | Notice of proposed sale | Oct 21, 2024 | — |
| 144 | Notice of proposed sale | Oct 21, 2024 | — |
| 144 | Notice of proposed sale | Oct 21, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 11, 2024 | — |
| 4 | Insider transaction | Oct 4, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 3, 2024 |
| 144 | Notice of proposed sale | Oct 3, 2024 | — |
| 144 | Notice of proposed sale | Oct 3, 2024 | — |
| 144 | Notice of proposed sale | Oct 3, 2024 | — |
| 144 | Notice of proposed sale | Oct 3, 2024 | — |
| 4 | Insider transaction | Aug 22, 2024 | Aug 20, 2024 |
| 144 | Notice of proposed sale | Aug 21, 2024 | — |
| 4 | Insider transaction | Aug 20, 2024 | Aug 19, 2024 |
| 4 | Insider transaction | Aug 20, 2024 | Aug 19, 2024 |
| 4 | Insider transaction | Aug 20, 2024 | Aug 19, 2024 |
| 4 | Insider transaction | Aug 20, 2024 | Aug 19, 2024 |
| 144 | Notice of proposed sale | Aug 19, 2024 | — |
| 144 | Notice of proposed sale | Aug 19, 2024 | — |
| 144 | Notice of proposed sale | Aug 19, 2024 | — |
| 144 | Notice of proposed sale | Aug 19, 2024 | — |
| 4 | Insider transaction | Aug 7, 2024 | Aug 5, 2024 |
| 4 | Insider transaction | Aug 7, 2024 | Aug 5, 2024 |
| 4 | Insider transaction | Aug 7, 2024 | Aug 5, 2024 |
| 4 | Insider transaction | Aug 7, 2024 | Aug 5, 2024 |
| 144 | Notice of proposed sale | Aug 6, 2024 | — |
| 144 | Notice of proposed sale | Aug 6, 2024 | — |
| 144 | Notice of proposed sale | Aug 6, 2024 | — |
| 144 | Notice of proposed sale | Aug 6, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 2, 2024 | — |
| 4 | Insider transaction | Jul 23, 2024 | Jul 19, 2024 |
| 4 | Insider transaction | Jul 23, 2024 | Jul 19, 2024 |
| 4 | Insider transaction | Jul 23, 2024 | Jul 19, 2024 |
| 4 | Insider transaction | Jul 23, 2024 | Jul 19, 2024 |
| 144 | Notice of proposed sale | Jul 22, 2024 | — |
| 144 | Notice of proposed sale | Jul 22, 2024 | — |
| 144 | Notice of proposed sale | Jul 22, 2024 | — |
| 144 | Notice of proposed sale | Jul 19, 2024 | — |
| 144 | Notice of proposed sale | Jul 19, 2024 | — |
| 144 | Notice of proposed sale | Jul 19, 2024 | — |
| 144 | Notice of proposed sale | Jul 19, 2024 | — |
| 4 | Insider transaction | Jul 3, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 2, 2024 |
| 144 | Notice of proposed sale | Jul 2, 2024 | — |
| 144 | Notice of proposed sale | Jul 2, 2024 | — |
| 144 | Notice of proposed sale | Jul 2, 2024 | — |
| 144 | Notice of proposed sale | Jul 2, 2024 | — |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 21, 2024 |
| 144 | Notice of proposed sale | May 21, 2024 | — |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 144 | Notice of proposed sale | May 17, 2024 | — |
| 144 | Notice of proposed sale | May 17, 2024 | — |
| 144 | Notice of proposed sale | May 17, 2024 | — |
| 144 | Notice of proposed sale | May 17, 2024 | — |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 3, 2024 |
| 144 | Notice of proposed sale | May 3, 2024 | — |
| 144 | Notice of proposed sale | May 3, 2024 | — |
| 144 | Notice of proposed sale | May 3, 2024 | — |
| 144 | Notice of proposed sale | May 3, 2024 | — |
| 4 | Insider transaction | Apr 23, 2024 | Apr 19, 2024 |
| 4 | Insider transaction | Apr 23, 2024 | Apr 19, 2024 |
| 4 | Insider transaction | Apr 23, 2024 | Apr 19, 2024 |
| 4 | Insider transaction | Apr 23, 2024 | Apr 19, 2024 |
| 144 | Notice of proposed sale | Apr 22, 2024 | — |
| 144 | Notice of proposed sale | Apr 22, 2024 | — |
| 144 | Notice of proposed sale | Apr 22, 2024 | — |
| 144 | Notice of proposed sale | Apr 19, 2024 | — |
| 144 | Notice of proposed sale | Apr 19, 2024 | — |
| 144 | Notice of proposed sale | Apr 19, 2024 | — |
| 144 | Notice of proposed sale | Apr 19, 2024 | — |
| 4 | Insider transaction | Apr 4, 2024 | Apr 2, 2024 |
| 4 | Insider transaction | Apr 4, 2024 | Apr 2, 2024 |
| 4 | Insider transaction | Apr 4, 2024 | Apr 2, 2024 |
| 4 | Insider transaction | Apr 4, 2024 | Apr 2, 2024 |
| 144 | Notice of proposed sale | Apr 2, 2024 | — |
| 144 | Notice of proposed sale | Apr 2, 2024 | — |
| 144 | Notice of proposed sale | Apr 2, 2024 | — |
| 144 | Notice of proposed sale | Apr 2, 2024 | — |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- KLRS (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Berkeley Heights, NJ
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1754068
- Former names
- Allovir, Inc. (until Mar 12, 2025); ViraCyte, Inc. (until Oct 2, 2018)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.