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 |
|---|---|---|---|
| 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
Officer or director change
|
Jul 20, 2026 | Jul 14, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 17, 2026 | Jul 17, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 6, 2026 | Jul 3, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2026 | Jun 3, 2026 |
| 10-Q | Quarterly report | May 12, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 12, 2026 | May 12, 2026 |
| ARS | Annual report to shareholders | Apr 24, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 24, 2026 | — |
| DEF 14A | Proxy statement | Apr 24, 2026 | Jun 3, 2026 |
| EFFECT | Filing | Apr 13, 2026 | — |
| EFFECT | Filing | Apr 13, 2026 | — |
| 424B3 | Prospectus | Apr 13, 2026 | — |
| 424B3 | Prospectus | Apr 13, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Apr 10, 2026 | Apr 8, 2026 |
| CORRESP | Letter to the SEC | Apr 9, 2026 | — |
| CORRESP | Letter to the SEC | Apr 9, 2026 | — |
| UPLOAD | Letter from the SEC | Apr 8, 2026 | — |
| UPLOAD | Letter from the SEC | Apr 8, 2026 | — |
| S-3 | Shelf registration | Apr 3, 2026 | — |
| S-3 | Shelf registration | Apr 3, 2026 | — |
| S-8 | Employee stock plan registration | Mar 17, 2026 | — |
| 10-K | Annual report | Mar 17, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 17, 2026 | Mar 17, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 9, 2026 | Mar 9, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Dec 18, 2025 | Dec 17, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 17, 2025 | Dec 17, 2025 |
| 10-Q | Quarterly report | Nov 12, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2025 | Nov 12, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 3, 2025 | Oct 28, 2025 |
| 10-Q | Quarterly report | Aug 13, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Aug 13, 2025 | Aug 12, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2025 | Aug 13, 2025 |
| ARS | Annual report to shareholders | Jul 1, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Jul 1, 2025 | — |
| DEF 14A | Proxy statement | Jul 1, 2025 | Aug 12, 2025 |
| 8-K |
Current report
Other events
|
Jun 20, 2025 | Jun 19, 2025 |
| S-8 | Employee stock plan registration | Jun 4, 2025 | — |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 14, 2025 | May 14, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 16, 2025 | Apr 10, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 4, 2025 | Apr 3, 2025 |
| 8-K |
Current report
Acquisition or sale of assets, Results of operations, Change in control, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Mar 18, 2025 | Mar 18, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Mar 12, 2025 | Mar 12, 2025 |
| 10-K | Annual report | Mar 7, 2025 | Dec 31, 2024 |
| 424B3 | Prospectus | Feb 28, 2025 | — |
| SEC STAFF LETTER | Filing | Feb 10, 2025 | — |
| EFFECT | Filing | Feb 10, 2025 | — |
| 424B3 | Prospectus | Feb 10, 2025 | — |
| CORRESP | Letter to the SEC | Feb 6, 2025 | — |
| CORRESP | Letter to the SEC | Feb 3, 2025 | — |
| S-4/A | Filing | Feb 3, 2025 | — |
| UPLOAD | Letter from the SEC | Jan 28, 2025 | — |
| CORRESP | Letter to the SEC | Jan 17, 2025 | — |
| S-4/A | Filing | Jan 17, 2025 | — |
| 425 | Filing | Jan 15, 2025 | — |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Jan 15, 2025 | Jan 15, 2025 |
| 425 | Filing | Jan 10, 2025 | — |
| 8-K |
Current report
Other events
|
Jan 10, 2025 | Jan 9, 2025 |
| 425 | Filing | Jan 10, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Jan 10, 2025 | Jan 9, 2025 |
| SEC STAFF LETTER | Filing | Jan 7, 2025 | — |
| UPLOAD | Letter from the SEC | Jan 6, 2025 | — |
| 425 | Filing | Dec 20, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Dec 20, 2024 | Dec 19, 2024 |
| S-4 | Registration for a merger or exchange | Dec 9, 2024 | — |
| 425 | Filing | Dec 9, 2024 | — |
| DEF 14A | Proxy statement | Dec 6, 2024 | Jan 9, 2025 |
| PRE 14A | Preliminary proxy statement | Nov 26, 2024 | Nov 26, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 425 | Filing | Nov 8, 2024 | — |
| 425 | Filing | Nov 8, 2024 | — |
| 425 | Filing | Nov 8, 2024 | — |
| 425 | Filing | Nov 8, 2024 | — |
| 425 | Filing | Nov 8, 2024 | — |
| 425 | Filing | Nov 8, 2024 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Nov 8, 2024 | Nov 7, 2024 |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Agreement ended
|
Jul 2, 2024 | Jul 1, 2024 |
| 8-K |
Current report
Agreement ended
|
Jun 11, 2024 | Jun 5, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2024 | Jun 6, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 3, 2024 | May 31, 2024 |
| 10-Q | Quarterly report | May 13, 2024 | Mar 31, 2024 |
| ARS | Annual report to shareholders | Apr 23, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 23, 2024 | — |
| DEF 14A | Proxy statement | Apr 23, 2024 | Jun 6, 2024 |
| 10-K | Annual report | Mar 15, 2024 | Dec 31, 2023 |
| RW | Filing | Feb 15, 2024 | — |
| 8-K |
Current report
Listing notice
|
Feb 12, 2024 | Feb 9, 2024 |
| 8-K |
Current report
Exit or restructuring costs
|
Jan 4, 2024 | Jan 1, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 22, 2023 | Dec 22, 2023 |
| 10-Q | Quarterly report | Nov 2, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 26, 2023 | Jun 21, 2023 |
| 424B5 | Prospectus supplement | Jun 22, 2023 | — |
| 424B5 | Prospectus supplement | Jun 21, 2023 | — |
| 8-K |
Current report
Other events
|
Jun 21, 2023 | Jun 21, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 16, 2023 | May 11, 2023 |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| ARS | Annual report to shareholders | May 1, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Mar 31, 2023 | — |
| DEF 14A | Proxy statement | Mar 31, 2023 | May 11, 2023 |
| PRE 14A | Preliminary proxy statement | Mar 21, 2023 | May 11, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 23, 2023 | Feb 23, 2023 |
| DEL AM | Filing | Feb 16, 2023 | — |
| S-8 | Employee stock plan registration | Feb 15, 2023 | — |
| S-3 | Shelf registration | Feb 15, 2023 | — |
| 10-K | Annual report | Feb 15, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 15, 2023 | Feb 15, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 9, 2023 | Jan 9, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 21, 2022 | Nov 21, 2022 |
| 10-Q | Quarterly report | Nov 3, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2022 | Aug 4, 2022 |
| 424B5 | Prospectus supplement | Jul 27, 2022 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jul 27, 2022 | Jul 26, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2022 | May 17, 2022 |
| 10-Q | Quarterly report | May 5, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| DEFA14A | Additional proxy material | Apr 6, 2022 | — |
| DEF 14A | Proxy statement | Apr 6, 2022 | May 17, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 31, 2022 | Mar 29, 2022 |
| 10-K/A | Amended annual report | Mar 30, 2022 | Dec 31, 2021 |
| EFFECT | Filing | Feb 28, 2022 | — |
| POS AM | Filing | Feb 18, 2022 | — |
| POS AM | Filing | Feb 10, 2022 | — |
| S-8 | Employee stock plan registration | Feb 10, 2022 | — |
| 10-K | Annual report | Feb 10, 2022 | Dec 31, 2021 |
| POSASR | Posasr (amendment no. 1) | Feb 10, 2022 | — |
| 8-K |
Current report
Results of operations
|
Feb 10, 2022 | Feb 10, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 10, 2022 | Jan 10, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 17, 2021 | Dec 16, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 13, 2021 | Dec 11, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 15, 2021 | Nov 15, 2021 |
| 10-Q | Quarterly report | Nov 5, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2021 | Nov 5, 2021 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 13, 2021 | Sep 8, 2021 |
| S-3ASR | Automatic shelf registration | Aug 6, 2021 | — |
| 10-Q | Quarterly report | Aug 6, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2021 | Aug 6, 2021 |
| 8-K |
Current report
Officer or director change
|
Jul 28, 2021 | Jul 22, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 25, 2021 | May 25, 2021 |
| 10-Q | Quarterly report | May 6, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| DEFA14A | Additional proxy material | Apr 12, 2021 | — |
| DEF 14A | Proxy statement | Apr 12, 2021 | May 25, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 22, 2021 | Mar 17, 2021 |
| S-8 | Employee stock plan registration | Feb 12, 2021 | — |
| 10-K | Annual report | Feb 12, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 11, 2021 | Feb 11, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 14, 2021 | Jan 14, 2021 |
| 8-K |
Current report
Other events
|
Dec 17, 2020 | Dec 17, 2020 |
| 8-K |
Current report
Other events
|
Dec 7, 2020 | Dec 7, 2020 |
| 8-K |
Current report
Other events
|
Dec 7, 2020 | Dec 5, 2020 |
| 8-K |
Current report
Material agreement
|
Dec 3, 2020 | Nov 30, 2020 |
| 10-Q | Quarterly report | Nov 10, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2020 | Nov 10, 2020 |
| 8-K |
Current report
Other events
|
Sep 17, 2020 | Sep 17, 2020 |
| 10-Q/A | Amended quarterly report | Sep 16, 2020 | Jun 30, 2020 |
| 10-Q | Quarterly report | Sep 2, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Sep 2, 2020 | Sep 2, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 3, 2020 | Aug 3, 2020 |
| S-8 | Employee stock plan registration | Jul 31, 2020 | — |
| 424B4 | Prospectus | Jul 30, 2020 | — |
| S-1MEF | Filing | Jul 30, 2020 | — |
| EFFECT | Filing | Jul 29, 2020 | — |
| CERT | Filing | Jul 29, 2020 | — |
| 8-A12B/A | Filing | Jul 29, 2020 | — |
| CORRESP | Letter to the SEC | Jul 28, 2020 | — |
| 8-A12B | Filing | Jul 27, 2020 | — |
| CORRESP | Letter to the SEC | Jul 27, 2020 | — |
| CORRESP | Letter to the SEC | Jul 27, 2020 | — |
| CORRESP | Letter to the SEC | Jul 27, 2020 | — |
| UPLOAD | Letter from the SEC | Jul 24, 2020 | — |
| CORRESP | Letter to the SEC | Jul 23, 2020 | — |
| S-1/A | Amended registration statement | Jul 23, 2020 | — |
| CORRESP | Letter to the SEC | Jul 20, 2020 | — |
| CORRESP | Letter to the SEC | Jul 17, 2020 | — |
| UPLOAD | Letter from the SEC | Jul 14, 2020 | — |
| CORRESP | Letter to the SEC | Jul 6, 2020 | — |
| S-1 | Registration statement | Jul 6, 2020 | — |
| UPLOAD | Letter from the SEC | Jun 30, 2020 | — |
| DRS | Filing | Jun 3, 2020 | — |
| D | Filing | May 22, 2019 | — |
| D | Filing | Oct 2, 2018 | — |
Showing 190 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
- 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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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.