Cytek Biosciences, Inc. SEC filings CTKB
Cytek Biosciences, Inc. has 464 filings in SEC EDGAR's recent list, going back to Nov 10, 2020. 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 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 29, 2026 | Sep 23, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 24, 2026 | Aug 21, 2026 |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 15, 2026 | Jul 9, 2026 |
| 8-K |
Current report
Officer or director change
|
Jun 25, 2026 | Jun 18, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2026 | Jun 10, 2026 |
| 8-K |
Current report
Officer or director change
|
Jun 2, 2026 | May 27, 2026 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2026 | — |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| ARS | Annual report to shareholders | Apr 28, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| DEF 14A | Proxy statement | Apr 28, 2026 | Jun 10, 2026 |
| S-8 | Employee stock plan registration | Feb 27, 2026 | — |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 13, 2026 | Jan 12, 2026 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 24, 2025 | Jun 18, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| ARS | Annual report to shareholders | Apr 28, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 28, 2025 | — |
| DEF 14A | Proxy statement | Apr 28, 2025 | Jun 18, 2025 |
| S-8 | Employee stock plan registration | Feb 28, 2025 | — |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 15, 2025 | Jan 15, 2025 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2024 | Nov 5, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 12, 2024 | Sep 9, 2024 |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2024 | Aug 6, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2024 | Jun 5, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2024 | — |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 8, 2024 | May 8, 2024 |
| ARS | Annual report to shareholders | Apr 25, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 25, 2024 | — |
| DEF 14A | Proxy statement | Apr 25, 2024 | Jun 5, 2024 |
| 8-K |
Current report
Officer or director change
|
Mar 19, 2024 | Mar 17, 2024 |
| S-8 | Employee stock plan registration | Mar 14, 2024 | — |
| 10-K | Annual report | Mar 13, 2024 | Dec 31, 2023 |
| NT 10-K | Filing | Mar 1, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 27, 2024 | Feb 20, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 9, 2024 | Jan 8, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 28, 2023 | Nov 28, 2023 |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| NT 10-Q | Filing | Nov 13, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 20, 2023 | Jun 14, 2023 |
| 8-K/A | Amended current report | May 15, 2023 | Feb 28, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | Jun 14, 2023 |
| S-8 | Employee stock plan registration | Mar 2, 2023 | — |
| 10-K | Annual report | Mar 1, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2023 | Feb 28, 2023 |
| 8-K |
Current report
Acquisition or sale of assets
|
Feb 28, 2023 | Feb 28, 2023 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Feb 13, 2023 | Feb 13, 2023 |
| 10-Q | Quarterly report | Nov 9, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2022 | Nov 9, 2022 |
| 8-K |
Current report
Officer or director change
|
Nov 1, 2022 | Oct 31, 2022 |
| S-3ASR | Automatic shelf registration | Aug 26, 2022 | — |
| 10-Q | Quarterly report | Aug 10, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2022 | Aug 10, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 6, 2022 | Jun 1, 2022 |
| 10-Q | Quarterly report | May 12, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 11, 2022 | May 11, 2022 |
| DEFA14A | Additional proxy material | Apr 14, 2022 | — |
| DEF 14A | Proxy statement | Apr 14, 2022 | Jun 1, 2022 |
| S-8 | Employee stock plan registration | Mar 17, 2022 | — |
| 10-K | Annual report | Mar 17, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Mar 2, 2022 | Feb 25, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 23, 2022 | Feb 23, 2022 |
| 8-K |
Current report
Officer or director change
|
Jan 6, 2022 | Dec 31, 2021 |
| 10-Q | Quarterly report | Nov 12, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2021 | Nov 8, 2021 |
| 10-Q/A | Amended quarterly report | Sep 8, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Sep 3, 2021 | Sep 2, 2021 |
| 10-Q | Quarterly report | Sep 3, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Material agreement
|
Aug 30, 2021 | Aug 25, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Jul 27, 2021 | Jul 27, 2021 |
| S-8 | Employee stock plan registration | Jul 23, 2021 | — |
| 424B4 | Prospectus | Jul 23, 2021 | — |
| EFFECT | Filing | Jul 22, 2021 | — |
| CERT | Filing | Jul 21, 2021 | — |
| CORRESP | Letter to the SEC | Jul 20, 2021 | — |
| 8-A12B | Filing | Jul 19, 2021 | — |
| S-1/A | Amended registration statement | Jul 19, 2021 | — |
| S-1/A | Amended registration statement | Jul 14, 2021 | — |
| CORRESP | Letter to the SEC | Jul 13, 2021 | — |
| UPLOAD | Letter from the SEC | Jul 12, 2021 | — |
| CORRESP | Letter to the SEC | Jul 2, 2021 | — |
| S-1 | Registration statement | Jul 2, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 28, 2021 | — |
| DRSLTR | Filing | Jun 14, 2021 | — |
| DRS/A | Filing | Jun 14, 2021 | — |
| UPLOAD | Letter from the SEC | May 18, 2021 | — |
| DRS | Filing | Apr 22, 2021 | — |
| D | Filing | Nov 10, 2020 | — |
Showing 114 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
- Laboratory Analytical Instruments (SIC 3826)
- Listed as
- CTKB (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Fremont, CA
- SEC filer status
- Accelerated filer
- SEC CIK
- 1831915
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.