Maxcyte, Inc. SEC filings MXCT
Maxcyte, Inc. has 336 filings in SEC EDGAR's recent list, going back to Apr 14, 2004. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 14, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13D | Ownership over 5% (active) | Nov 2, 2026 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Oct 15, 2026 | — |
| 8-K |
Current report
Results of operations
|
Oct 14, 2026 | Oct 14, 2026 |
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 12, 2026 | Aug 12, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Aug 4, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 17, 2026 | Jun 17, 2026 |
| 8-K |
Current report
Listing notice
|
Jun 16, 2026 | Jun 10, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | May 14, 2026 | — |
| 10-Q | Quarterly report | May 13, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 12, 2026 | May 12, 2026 |
| ARS | Annual report to shareholders | Apr 29, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 29, 2026 | — |
| DEF 14A | Proxy statement | Apr 29, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 15, 2026 |
| S-8 | Employee stock plan registration | Apr 15, 2026 | — |
| 4 | Insider transaction | Apr 10, 2026 | Mar 30, 2026 |
| 3 | Initial insider ownership | Apr 10, 2026 | Mar 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 10, 2026 | — |
| 4 | Insider transaction | Mar 31, 2026 | Mar 27, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2026 | Mar 23, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 10-K | Annual report | Mar 25, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 24, 2026 | Mar 24, 2026 |
| 8-K |
Current report
Listing notice
|
Mar 20, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 5, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jan 12, 2026 | Jan 12, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 10-Q | Quarterly report | Nov 13, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 12, 2025 | Nov 12, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 4, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 3, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Oct 24, 2025 | — |
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure
|
Sep 22, 2025 | Sep 22, 2025 |
| 4 | Insider transaction | Aug 27, 2025 | Jun 25, 2025 |
| S-8 | Employee stock plan registration | Aug 26, 2025 | — |
| 4 | Insider transaction | Aug 13, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 13, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 11, 2025 | Aug 11, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Other events
|
Jun 25, 2025 | Jun 25, 2025 |
| 144 | Notice of proposed sale | Jun 25, 2025 | — |
| 4 | Insider transaction | Jun 23, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 18, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 18, 2025 | Jun 18, 2025 |
| DEFA14A | Additional proxy material | May 29, 2025 | — |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 7, 2025 | May 7, 2025 |
| ARS | Annual report to shareholders | Apr 28, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 28, 2025 | Jun 18, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 15, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 10-K | Annual report | Mar 11, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 11, 2025 | Mar 11, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 30, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 27, 2025 |
| 4 | Insider transaction | Jan 14, 2025 | Jan 13, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 13, 2025 | Jan 13, 2025 |
| 4 | Insider transaction | Dec 30, 2024 | Dec 26, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 27, 2024 | Dec 22, 2024 |
| 144 | Notice of proposed sale | Dec 26, 2024 | — |
| 4 | Insider transaction | Dec 10, 2024 | Dec 6, 2024 |
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure
|
Dec 9, 2024 | Dec 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 6, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 5, 2024 | Nov 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 31, 2024 | — |
| 4 | Insider transaction | Oct 30, 2024 | Oct 28, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 21, 2024 | — |
| 4 | Insider transaction | Oct 16, 2024 | Oct 14, 2024 |
| 3 | Initial insider ownership | Oct 16, 2024 | Oct 14, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 15, 2024 | Oct 14, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Sep 30, 2024 | Sep 26, 2024 |
| 144 | Notice of proposed sale | Sep 26, 2024 | — |
| 4 | Insider transaction | Sep 18, 2024 | Sep 16, 2024 |
| 3 | Initial insider ownership | Sep 18, 2024 | Sep 11, 2024 |
| 4 | Insider transaction | Sep 5, 2024 | Sep 3, 2024 |
| 144 | Notice of proposed sale | Sep 3, 2024 | — |
| 4 | Insider transaction | Aug 28, 2024 | Aug 26, 2024 |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2024 | Aug 6, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Jul 30, 2024 | Jul 26, 2024 |
| 4 | Insider transaction | Jul 10, 2024 | Jul 8, 2024 |
| 4 | Insider transaction | Jul 1, 2024 | Jun 27, 2024 |
| 144 | Notice of proposed sale | Jun 27, 2024 | — |
| 4 | Insider transaction | Jun 24, 2024 | Jun 20, 2024 |
| 144 | Notice of proposed sale | Jun 20, 2024 | — |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 12, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 7, 2024 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 7, 2024 | May 7, 2024 |
| ARS | Annual report to shareholders | May 1, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Mar 28, 2024 | Mar 26, 2024 |
| SC 13G | Ownership over 5% (passive) | Mar 25, 2024 | — |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 10-K | Annual report | Mar 12, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2024 | Mar 12, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 5, 2024 | Mar 4, 2024 |
| 3 | Initial insider ownership | Mar 4, 2024 | Feb 22, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 144 | Notice of proposed sale | Feb 26, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2024 | — |
| 4 | Insider transaction | Jan 30, 2024 | Jan 26, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 26, 2024 | Jan 23, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2024 | — |
| 8-K |
Current report
Results of operations
|
Jan 8, 2024 | Jan 8, 2024 |
| 4 | Insider transaction | Jan 4, 2024 | Jan 3, 2024 |
| 4 | Insider transaction | Dec 28, 2023 | Dec 26, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 11, 2023 | Dec 10, 2023 |
| 4 | Insider transaction | Dec 6, 2023 | Dec 4, 2023 |
| 4 | Insider transaction | Dec 1, 2023 | Nov 29, 2023 |
| 4 | Insider transaction | Nov 29, 2023 | Nov 27, 2023 |
| 144 | Notice of proposed sale | Nov 29, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Nov 17, 2023 | — |
| 4 | Insider transaction | Nov 16, 2023 | Nov 14, 2023 |
| 144 | Notice of proposed sale | Nov 14, 2023 | — |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2023 | Nov 8, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 4, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Aug 30, 2023 | Aug 28, 2023 |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 4 | Insider transaction | Jul 28, 2023 | Jul 26, 2023 |
| 4 | Insider transaction | Jul 12, 2023 | Jul 10, 2023 |
| 144 | Notice of proposed sale | Jul 10, 2023 | — |
| 4 | Insider transaction | Jun 28, 2023 | Jun 26, 2023 |
| 144 | Notice of proposed sale | Jun 26, 2023 | — |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 10-Q | Quarterly report | May 10, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 10, 2023 | May 10, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 3, 2023 |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Apr 28, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Apr 12, 2023 | Apr 10, 2023 |
| 4 | Insider transaction | Apr 12, 2023 | Apr 10, 2023 |
| 4 | Insider transaction | Apr 7, 2023 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 7, 2023 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 4, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 4, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Mar 30, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 27, 2023 |
| 3 | Initial insider ownership | Mar 28, 2023 | Mar 27, 2023 |
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
- Services-Commercial Physical & Biological Research (SIC 8731)
- Listed as
- MXCT (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Rockville, MD
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1287098
- Former names
- MAXCYTE INC (until Sep 18, 2008)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.