# Cytek Biosciences, Inc.: filings

CTKB · Nasdaq · CIK 1831915 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ctkb.md) · [Financials](/companies/ctkb/financials.md) · [Filings](/companies/ctkb/filings.md) · [Insiders](/companies/ctkb/insiders.md)

## Reports and events: 81 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 272, 8-K 46, 3 21, 144 19, 10-Q 16, SC 13G 9, SC 13G/A 9, SCHEDULE 13G/A 8, S-8 6, 10-K 5, DEF 14A 5, DEFA14A 5, ARS 4, CORRESP 3, SC 13D/A 3, SCHEDULE 13G 3, SD 3, UPLOAD 3, S-1/A 2, 10-Q/A 1, 424B4 1, 5 1, 8-A12B 1, 8-K/A 1, CERT 1, D 1, DRS 1, DRS/A 1, DRSLTR 1, EFFECT 1, NT 10-K 1, NT 10-Q 1, S-1 1, S-3ASR 1, SC 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-29 | 16:06 ET | [8-K](/filings/0001193125-26-407330.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001193125-26-407330 |
| 2026-08-24 | 06:01 ET | [8-K](/filings/0001193125-26-361705.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-361705 |
| 2026-08-05 | 17:06 ET | [10-Q](/filings/0001628280-26-053496.md) | Quarterly report, period 2026-06-30 | 0001628280-26-053496 |
| 2026-08-05 | 16:22 ET | [8-K](/filings/0001193125-26-335212.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-335212 |
| 2026-07-15 | 16:15 ET | [8-K](/filings/0001193125-26-304789.md) | 5.02 Departure or appointment of officers or directors | 0001193125-26-304789 |
| 2026-06-25 | 16:32 ET | [8-K](/filings/0001193125-26-282871.md) | 5.02 Departure or appointment of officers or directors | 0001193125-26-282871 |
| 2026-06-16 | 16:06 ET | [8-K](/filings/0001193125-26-272582.md) | 5.07 Shareholder vote results | 0001193125-26-272582 |
| 2026-06-02 | 16:15 ET | [8-K](/filings/0001193125-26-253538.md) | 5.02 Departure or appointment of officers or directors | 0001193125-26-253538 |
| 2026-05-07 | 17:03 ET | [10-Q](/filings/0001628280-26-032293.md) | Quarterly report, period 2026-03-31 | 0001628280-26-032293 |
| 2026-05-07 | 16:14 ET | [8-K](/filings/0001193125-26-211948.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-211948 |
| 2026-04-28 | 16:35 ET | [DEF 14A](/filings/0001140361-26-017479.md) | Proxy statement, period 2026-06-10 | 0001140361-26-017479 |
| 2026-02-26 | 16:37 ET | [10-K](/filings/0001628280-26-012352.md) | Annual report, period 2025-12-31 | 0001628280-26-012352 |
| 2026-02-26 | 16:17 ET | [8-K](/filings/0001193125-26-076768.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-076768 |
| 2026-01-13 | 16:11 ET | [8-K](/filings/0001193125-26-011748.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-011748 |
| 2025-11-05 | 17:17 ET | [10-Q](/filings/0001628280-25-049697.md) | Quarterly report, period 2025-09-30 | 0001628280-25-049697 |
| 2025-11-05 | 16:15 ET | [8-K](/filings/0001193125-25-266973.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-266973 |
| 2025-08-06 | 17:17 ET | [10-Q](/filings/0001628280-25-038422.md) | Quarterly report, period 2025-06-30 | 0001628280-25-038422 |
| 2025-08-06 | 16:11 ET | [8-K](/filings/0001193125-25-174459.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-174459 |
| 2025-06-24 | 16:05 ET | [8-K](/filings/0001193125-25-145725.md) | 5.07 Shareholder vote results | 0001193125-25-145725 |
| 2025-05-08 | 17:21 ET | [10-Q](/filings/0001628280-25-023927.md) | Quarterly report, period 2025-03-31 | 0001628280-25-023927 |
| 2025-05-08 | 16:11 ET | [8-K](/filings/0001193125-25-115965.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-115965 |
| 2025-04-28 | 16:18 ET | [DEF 14A](/filings/0001140361-25-016032.md) | Proxy statement, period 2025-06-18 | 0001140361-25-016032 |
| 2025-02-28 | 17:35 ET | [10-K](/filings/0001628280-25-008780.md) | Annual report, period 2024-12-31 | 0001628280-25-008780 |
| 2025-02-27 | 16:09 ET | [8-K](/filings/0001193125-25-039225.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-039225 |
| 2025-01-15 | 08:30 ET | [8-K](/filings/0001193125-25-006599.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-006599 |
| 2024-11-07 | 17:38 ET | [10-Q](/filings/0001628280-24-045834.md) | Quarterly report, period 2024-09-30 | 0001628280-24-045834 |
| 2024-11-05 | 16:25 ET | [8-K](/filings/0001193125-24-251268.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-251268 |
| 2024-09-12 | 06:04 ET | [8-K](/filings/0001193125-24-217558.md) | 5.02 Departure or appointment of officers or directors | 0001193125-24-217558 |
| 2024-08-06 | 17:16 ET | [10-Q](/filings/0001628280-24-035264.md) | Quarterly report, period 2024-06-30 | 0001628280-24-035264 |
| 2024-08-06 | 16:16 ET | [8-K](/filings/0001193125-24-194907.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-194907 |
| 2024-06-11 | 16:02 ET | [8-K](/filings/0001193125-24-159094.md) | 5.07 Shareholder vote results | 0001193125-24-159094 |
| 2024-05-08 | 16:35 ET | [10-Q](/filings/0001628280-24-021723.md) | Quarterly report, period 2024-03-31 | 0001628280-24-021723 |
| 2024-05-08 | 16:20 ET | [8-K](/filings/0001193125-24-134238.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-134238 |
| 2024-04-25 | 16:23 ET | [DEF 14A](/filings/0001140361-24-022063.md) | Proxy statement, period 2024-06-05 | 0001140361-24-022063 |
| 2024-03-19 | 17:00 ET | [8-K](/filings/0001193125-24-071467.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-071467 |
| 2024-03-13 | 16:42 ET | [10-K](/filings/0001628280-24-010933.md) | Annual report, period 2023-12-31 | 0001628280-24-010933 |
| 2024-03-01 | 06:06 ET | [8-K](/filings/0001193125-24-054312.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-054312 |
| 2024-02-27 | 06:06 ET | [8-K](/filings/0001193125-24-046891.md) | 5.02 Departure or appointment of officers or directors | 0001193125-24-046891 |
| 2024-01-09 | 06:05 ET | [8-K](/filings/0001193125-24-004805.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-004805 |
| 2023-11-28 | 07:00 ET | [8-K](/filings/0001193125-23-283662.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-23-283662 |
| 2023-11-14 | 16:39 ET | [10-Q](/filings/0001628280-23-038974.md) | Quarterly report, period 2023-09-30 | 0001628280-23-038974 |
| 2023-11-09 | 06:06 ET | [8-K](/filings/0001193125-23-274005.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-23-274005 |
| 2023-11-07 | 16:45 ET | [8-K](/filings/0001193125-23-272504.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-23-272504 |
| 2023-09-19 | 17:25 ET | [SC 13D/A](/filings/0001104659-23-101999.md) | Ownership report, active investor, amended | 0001104659-23-101999 |
| 2023-08-08 | 16:34 ET | [10-Q](/filings/0000950170-23-039899.md) | Quarterly report, period 2023-06-30 | 0000950170-23-039899 |
| 2023-08-08 | 16:17 ET | [8-K](/filings/0001193125-23-206235.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-23-206235 |
| 2023-06-20 | 06:12 ET | [8-K](/filings/0001193125-23-169513.md) | 5.07 Shareholder vote results | 0001193125-23-169513 |
| 2023-05-15 | 16:03 ET | [8-K/A](/filings/0001193125-23-144952.md) | 9.01 Financial statements and exhibits | 0001193125-23-144952 |
| 2023-05-09 | 16:38 ET | [10-Q](/filings/0000950170-23-019777.md) | Quarterly report, period 2023-03-31 | 0000950170-23-019777 |
| 2023-05-09 | 16:24 ET | [8-K](/filings/0001193125-23-139445.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-23-139445 |

Page 1 of 2. [Older](/companies/ctkb/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:15 ET. No prices; not investment advice.