SEC Filings for Cytek Biosciences, Inc. (CTKB)

Last updated: 2026-03-26 23:11 UTC | Total filings: 416

Browse the latest SEC filings and forms submitted by Cytek Biosciences, Inc. (CTKB). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
SCHEDULE 13G/A March 26, 2026 - View Document
4 March 13, 2026 - View Document
4 March 12, 2026 - View Document
4 March 12, 2026 - View Document
4 March 12, 2026 - View Document
4 March 12, 2026 - View Document
4 March 12, 2026 - View Document
4 March 12, 2026 - View Document
4 March 12, 2026 - View Document
S-8 Feb. 27, 2026 S-8 View Document
10-K Feb. 26, 2026 10-K View Document
8-K Feb. 26, 2026 8-K View Document
4 Feb. 20, 2026 - View Document
4 Feb. 20, 2026 - View Document
4 Feb. 20, 2026 - View Document
8-K Jan. 13, 2026 8-K View Document
4 Nov. 20, 2025 - View Document
4 Nov. 20, 2025 - View Document
4 Nov. 20, 2025 - View Document
4 Nov. 20, 2025 - View Document
4 Nov. 20, 2025 - View Document
4 Nov. 20, 2025 - View Document
4 Nov. 20, 2025 - View Document
SCHEDULE 13G Nov. 17, 2025 - View Document
SCHEDULE 13G/A Nov. 12, 2025 - View Document
8-K Nov. 5, 2025 8-K View Document
10-Q Nov. 5, 2025 10-Q View Document
4 Aug. 20, 2025 - View Document
4 Aug. 20, 2025 - View Document
4 Aug. 20, 2025 - View Document
4 Aug. 20, 2025 - View Document
4 Aug. 20, 2025 - View Document
4 Aug. 20, 2025 - View Document
4 Aug. 20, 2025 - View Document
8-K Aug. 6, 2025 8-K View Document
10-Q Aug. 6, 2025 10-Q View Document
SCHEDULE 13G/A July 29, 2025 - View Document
8-K June 24, 2025 8-K View Document
4 June 20, 2025 - View Document
4 June 20, 2025 - View Document
4 June 20, 2025 - View Document
4 June 20, 2025 - View Document
4 June 20, 2025 - View Document
3 June 20, 2025 - View Document
4 June 9, 2025 - View Document
4 June 9, 2025 - View Document
4 June 9, 2025 - View Document
4 June 9, 2025 - View Document
4 June 3, 2025 - View Document
SD May 30, 2025 SD View Document
4 May 21, 2025 - View Document
4 May 21, 2025 - View Document
4 May 21, 2025 - View Document
4 May 21, 2025 - View Document
4 May 21, 2025 - View Document
4 May 21, 2025 - View Document
SCHEDULE 13G/A May 15, 2025 - View Document
8-K May 8, 2025 8-K View Document
10-Q May 8, 2025 10-Q View Document
SCHEDULE 13G/A April 30, 2025 - View Document
DEFA14A April 28, 2025 DEFA14A View Document
DEF 14A April 28, 2025 DEF 14A View Document
ARS April 28, 2025 ARS View Document
4 March 12, 2025 - View Document
4 March 12, 2025 - View Document
4 March 12, 2025 - View Document
4 March 12, 2025 - View Document
4 March 12, 2025 - View Document
4 March 6, 2025 - View Document
4 March 6, 2025 - View Document
4 March 6, 2025 - View Document
4 March 6, 2025 - View Document
4 March 6, 2025 - View Document
10-K Feb. 28, 2025 10-K View Document
S-8 Feb. 28, 2025 S-8 View Document
8-K Feb. 27, 2025 8-K View Document
4 Feb. 20, 2025 - View Document
4 Feb. 20, 2025 - View Document
4 Feb. 20, 2025 - View Document
SCHEDULE 13G/A Feb. 14, 2025 - View Document
8-K Jan. 15, 2025 8-K View Document
4 Nov. 20, 2024 - View Document
4 Nov. 20, 2024 - View Document
4 Nov. 20, 2024 - View Document
4 Nov. 20, 2024 - View Document
4 Nov. 20, 2024 - View Document
4 Nov. 20, 2024 - View Document
SC 13G Nov. 14, 2024 CYTEK BIOSCIENCES, INC. View Document
SC 13G/A Nov. 14, 2024 - View Document
10-Q Nov. 7, 2024 10-Q View Document
8-K Nov. 5, 2024 8-K View Document
4 Sept. 16, 2024 - View Document
8-K Sept. 12, 2024 8-K View Document
4 Aug. 21, 2024 - View Document
4 Aug. 21, 2024 - View Document
4 Aug. 21, 2024 - View Document
4 Aug. 21, 2024 - View Document
4 Aug. 21, 2024 - View Document
4 Aug. 21, 2024 - View Document
4 Aug. 21, 2024 - View Document
10-Q Aug. 6, 2024 10-Q View Document
8-K Aug. 6, 2024 8-K View Document
8-K June 11, 2024 8-K View Document
4 June 7, 2024 - View Document
3 June 7, 2024 - View Document
4 June 7, 2024 - View Document
4 June 7, 2024 - View Document
4 June 7, 2024 - View Document
4 June 7, 2024 - View Document
SD May 31, 2024 SD View Document
4 May 22, 2024 - View Document
4 May 22, 2024 - View Document
4 May 22, 2024 - View Document
4 May 22, 2024 - View Document
4 May 22, 2024 - View Document
4 May 22, 2024 - View Document
4 May 15, 2024 - View Document
10-Q May 8, 2024 10-Q View Document
8-K May 8, 2024 8-K View Document
DEFA14A April 25, 2024 DEFA14A View Document
DEF 14A April 25, 2024 DEF 14A View Document
ARS April 25, 2024 ARS View Document
4 April 23, 2024 - View Document
4 April 11, 2024 - View Document
144 April 9, 2024 - View Document
4 March 21, 2024 - View Document
3 March 20, 2024 - View Document
8-K March 19, 2024 8-K View Document
4 March 19, 2024 - View Document
144 March 18, 2024 - View Document
S-8 March 14, 2024 S-8 View Document
4 March 13, 2024 - View Document
4 March 13, 2024 - View Document
4 March 13, 2024 - View Document
10-K March 13, 2024 10-K View Document
4 March 13, 2024 - View Document
4 March 13, 2024 - View Document
4 March 13, 2024 - View Document
4 March 8, 2024 - View Document
4 March 8, 2024 - View Document
4 March 8, 2024 - View Document
4 March 8, 2024 - View Document
4 March 8, 2024 - View Document
4 March 8, 2024 - View Document
NT 10-K March 1, 2024 NT 10-K View Document
8-K March 1, 2024 8-K View Document
8-K Feb. 27, 2024 8-K View Document
4 Feb. 22, 2024 - View Document
SC 13G Feb. 22, 2024 SC 13G View Document
4 Feb. 22, 2024 - View Document
4 Feb. 22, 2024 - View Document
4 Feb. 22, 2024 - View Document
4 Feb. 22, 2024 - View Document
4 Feb. 22, 2024 - View Document
SC 13G/A Feb. 14, 2024 CYTEK BIOSCIENCES, INC. View Document
SC 13G Feb. 14, 2024 - View Document
SC 13G/A Feb. 14, 2024 SC 13G/A View Document
SC 13G/A Feb. 14, 2024 SC 13G/A View Document
SC 13G/A Feb. 13, 2024 SCHEDULE 13G/A View Document
SC 13G/A Jan. 23, 2024 - View Document
8-K Jan. 9, 2024 8-K View Document
4 Dec. 27, 2023 FORM 4 SUBMISSION View Document
4 Dec. 21, 2023 FORM 4 SUBMISSION View Document
144 Dec. 19, 2023 - View Document
8-K Nov. 28, 2023 8-K View Document
4 Nov. 27, 2023 FORM 4 SUBMISSION View Document
4 Nov. 27, 2023 FORM 4 SUBMISSION View Document
4 Nov. 21, 2023 FORM 4 SUBMISSION View Document
4 Nov. 21, 2023 FORM 4 SUBMISSION View Document
4 Nov. 21, 2023 FORM 4 SUBMISSION View Document
4 Nov. 21, 2023 FORM 4 SUBMISSION View Document
4 Nov. 21, 2023 FORM 4 SUBMISSION View Document
4 Nov. 21, 2023 FORM 4 SUBMISSION View Document
144 Nov. 15, 2023 - View Document
10-Q Nov. 14, 2023 10-Q View Document
NT 10-Q Nov. 13, 2023 NT 10-Q View Document
8-K Nov. 9, 2023 8-K View Document
4 Nov. 8, 2023 FORM 4 SUBMISSION View Document
8-K Nov. 7, 2023 8-K View Document
4 Oct. 25, 2023 FORM 4 SUBMISSION View Document
144 Oct. 24, 2023 - View Document
4 Oct. 23, 2023 FORM 4 SUBMISSION View Document
144 Oct. 19, 2023 - View Document
4 Oct. 11, 2023 FORM 4 SUBMISSION View Document
4 Oct. 5, 2023 FORM 4 SUBMISSION View Document
4 Sept. 26, 2023 FORM 4 SUBMISSION View Document
4 Sept. 20, 2023 FORM 4 SUBMISSION View Document
SC 13D/A Sept. 19, 2023 SC 13D/A View Document
4 Sept. 8, 2023 FORM 4 SUBMISSION View Document
144 Sept. 7, 2023 - View Document
3 Aug. 29, 2023 FORM 3 SUBMISSION View Document
4 Aug. 28, 2023 FORM 4 SUBMISSION View Document
4 Aug. 21, 2023 FORM 4 SUBMISSION View Document
4 Aug. 21, 2023 FORM 4 SUBMISSION View Document
4 Aug. 21, 2023 FORM 4 SUBMISSION View Document
4 Aug. 21, 2023 FORM 4 SUBMISSION View Document
4 Aug. 21, 2023 FORM 4 SUBMISSION View Document
4 Aug. 21, 2023 FORM 4 SUBMISSION View Document
144 Aug. 21, 2023 - View Document
4 Aug. 21, 2023 FORM 4 SUBMISSION View Document
144 Aug. 14, 2023 - View Document
8-K Aug. 8, 2023 8-K View Document
4 Aug. 8, 2023 FORM 4 SUBMISSION View Document
10-Q Aug. 8, 2023 10-Q View Document
4 July 25, 2023 FORM 4 SUBMISSION View Document
144 July 24, 2023 - View Document
4 July 20, 2023 FORM 4 SUBMISSION View Document
4 July 7, 2023 FORM 4 SUBMISSION View Document
4 June 27, 2023 FORM 4 SUBMISSION View Document
4 June 21, 2023 FORM 4 SUBMISSION View Document
8-K June 20, 2023 8-K View Document
144 June 20, 2023 - View Document
4 June 16, 2023 FORM 4 SUBMISSION View Document
4 June 16, 2023 FORM 4 SUBMISSION View Document
4 June 16, 2023 FORM 4 SUBMISSION View Document
4 June 16, 2023 FORM 4 SUBMISSION View Document
4 June 16, 2023 FORM 4 SUBMISSION View Document
144 June 7, 2023 - View Document
4 June 7, 2023 FORM 4 SUBMISSION View Document
4 May 25, 2023 FORM 4 SUBMISSION View Document
4 May 19, 2023 FORM 4 SUBMISSION View Document
4 May 19, 2023 FORM 4 SUBMISSION View Document
4 May 19, 2023 FORM 4 SUBMISSION View Document
4 May 19, 2023 FORM 4 SUBMISSION View Document
4 May 19, 2023 FORM 4 SUBMISSION View Document
4 May 19, 2023 FORM 4 SUBMISSION View Document
4 May 19, 2023 FORM 4 SUBMISSION View Document
144 May 15, 2023 - View Document
8-K/A May 15, 2023 8-K/A View Document
4 May 10, 2023 FORM 4 SUBMISSION View Document
10-Q May 9, 2023 10-Q View Document
8-K May 9, 2023 8-K View Document
144 May 8, 2023 - View Document
SC 13G/A May 5, 2023 - View Document
DEFA14A April 28, 2023 DEFA14A View Document
ARS April 28, 2023 FORM ARS View Document
DEF 14A April 28, 2023 DEF14A View Document
4 April 25, 2023 FORM 4 SUBMISSION View Document
144 April 24, 2023 - View Document
4 April 20, 2023 FORM 4 SUBMISSION View Document
144 April 19, 2023 - View Document
4 April 11, 2023 FORM 4 SUBMISSION View Document
4 March 24, 2023 FORM 4 SUBMISSION View Document
144 March 24, 2023 - View Document
4 March 21, 2023 FORM 4 SUBMISSION View Document
144 March 20, 2023 - View Document
4 March 7, 2023 FORM 4 SUBMISSION View Document
4 March 7, 2023 FORM 4 SUBMISSION View Document
4 March 7, 2023 FORM 4 SUBMISSION View Document
4 March 7, 2023 FORM 4 SUBMISSION View Document
4 March 7, 2023 FORM 4 SUBMISSION View Document
4 March 7, 2023 FORM 4 SUBMISSION View Document
4 March 7, 2023 FORM 4 SUBMISSION View Document
S-8 March 2, 2023 S-8 View Document
10-K March 1, 2023 10-K View Document
4 Feb. 28, 2023 FORM 4 SUBMISSION View Document
8-K Feb. 28, 2023 8-K View Document
8-K Feb. 28, 2023 8-K View Document
4 Feb. 23, 2023 FORM 4 SUBMISSION View Document
4 Feb. 23, 2023 FORM 4 SUBMISSION View Document
4 Feb. 23, 2023 FORM 4 SUBMISSION View Document
4 Feb. 23, 2023 FORM 4 SUBMISSION View Document
4 Feb. 23, 2023 FORM 4 SUBMISSION View Document
4 Feb. 23, 2023 FORM 4 SUBMISSION View Document
SC 13G/A Feb. 14, 2023 CYTEK BIOSCIENCES, INC. View Document
8-K Feb. 13, 2023 8-K View Document
4 Feb. 10, 2023 FORM 4 SUBMISSION View Document
SC 13G Feb. 9, 2023 SCHEDULE 13G View Document
4 Feb. 8, 2023 FORM 4 SUBMISSION View Document
4 Feb. 7, 2023 FORM 4 SUBMISSION View Document
SC 13G Feb. 3, 2023 - View Document
4 Jan. 25, 2023 FORM 4 SUBMISSION View Document
4 Jan. 20, 2023 FORM 4 SUBMISSION View Document
4 Jan. 10, 2023 FORM 4 SUBMISSION View Document
4 Dec. 29, 2022 FORM 4 SUBMISSION View Document
4 Dec. 20, 2022 FORM 4 SUBMISSION View Document
4 Dec. 9, 2022 FORM 4 SUBMISSION View Document
4 Nov. 30, 2022 FORM 4 SUBMISSION View Document
4 Nov. 28, 2022 FORM 4 SUBMISSION View Document
4 Nov. 22, 2022 FORM 4 SUBMISSION View Document
4 Nov. 22, 2022 FORM 4 SUBMISSION View Document
4 Nov. 22, 2022 FORM 4 SUBMISSION View Document
4 Nov. 22, 2022 FORM 4 SUBMISSION View Document
4 Nov. 22, 2022 FORM 4 SUBMISSION View Document
4 Nov. 16, 2022 FORM 4 SUBMISSION View Document
8-K Nov. 9, 2022 8-K View Document
10-Q Nov. 9, 2022 10-Q View Document
4 Nov. 8, 2022 FORM 4 SUBMISSION View Document
4 Nov. 2, 2022 FORM 4 SUBMISSION View Document
3 Nov. 2, 2022 FORM 3 SUBMISSION View Document
8-K Nov. 1, 2022 8-K View Document
4 Oct. 25, 2022 FORM 4 SUBMISSION View Document
4 Oct. 20, 2022 FORM 4 SUBMISSION View Document
4 Oct. 11, 2022 FORM 4 SUBMISSION View Document
4 Sept. 28, 2022 FORM 4 SUBMISSION View Document
4 Sept. 20, 2022 FORM 4 SUBMISSION View Document
4 Sept. 9, 2022 FORM 4 SUBMISSION View Document
S-3ASR Aug. 26, 2022 S-3ASR View Document
4 Aug. 25, 2022 FORM 4 SUBMISSION View Document
4 Aug. 19, 2022 FORM 4 SUBMISSION View Document
4 Aug. 19, 2022 FORM 4 SUBMISSION View Document
4 Aug. 19, 2022 FORM 4 SUBMISSION View Document
4 Aug. 19, 2022 FORM 4 SUBMISSION View Document
4 Aug. 19, 2022 FORM 4 SUBMISSION View Document
10-Q Aug. 10, 2022 10-Q View Document
4 Aug. 10, 2022 FORM 4 SUBMISSION View Document
8-K Aug. 10, 2022 8-K View Document
SC 13G/A Aug. 3, 2022 - View Document
4 Aug. 3, 2022 FORM 4 SUBMISSION View Document
4 July 20, 2022 FORM 4 SUBMISSION View Document
4 July 8, 2022 FORM 4 SUBMISSION View Document
4 June 22, 2022 FORM 4 SUBMISSION View Document
4 June 9, 2022 FORM 4 SUBMISSION View Document
8-K June 6, 2022 8-K View Document
3 June 3, 2022 FORM 3 SUBMISSION View Document
4 June 3, 2022 FORM 4 SUBMISSION View Document
4 June 3, 2022 FORM 4 SUBMISSION View Document
4 June 3, 2022 FORM 4 SUBMISSION View Document
4 June 3, 2022 FORM 4 SUBMISSION View Document
3 June 3, 2022 FORM 3 SUBMISSION View Document
4 June 3, 2022 FORM 4 SUBMISSION View Document
4 May 20, 2022 FORM 4 SUBMISSION View Document
4 May 20, 2022 FORM 4 SUBMISSION View Document
4 May 20, 2022 FORM 4 SUBMISSION View Document
4 May 20, 2022 FORM 4 SUBMISSION View Document
4 May 20, 2022 FORM 4 SUBMISSION View Document
4 May 12, 2022 FORM 4 SUBMISSION View Document
10-Q May 12, 2022 10-Q View Document
8-K May 11, 2022 8-K View Document
3 April 27, 2022 FORM 3 SUBMISSION View Document
4 April 27, 2022 FORM 4 SUBMISSION View Document
4 April 21, 2022 FORM 4 SUBMISSION View Document
DEFA14A April 14, 2022 DEFA14A View Document
DEF 14A April 14, 2022 FORM DEF 14A View Document
4 April 8, 2022 FORM 4 SUBMISSION View Document
4 March 23, 2022 FORM 4 SUBMISSION View Document
S-8 March 17, 2022 S-8 View Document
10-K March 17, 2022 10-K View Document
4 March 16, 2022 OWNERSHIP DOCUMENT View Document
SC 13D/A March 14, 2022 CYTEK BIOSCIENCES, INC. View Document
4 March 11, 2022 OWNERSHIP DOCUMENT View Document
4 March 8, 2022 FORM 4 SUBMISSION View Document
4 March 8, 2022 OWNERSHIP DOCUMENT View Document
4 March 8, 2022 FORM 4 SUBMISSION View Document
4 March 8, 2022 FORM 4 SUBMISSION View Document
4 March 2, 2022 FORM 4 SUBMISSION View Document
4 March 2, 2022 FORM 4 SUBMISSION View Document
4 March 2, 2022 OWNERSHIP DOCUMENT View Document
8-K March 2, 2022 FORM 8-K View Document
4 March 2, 2022 FORM 4 SUBMISSION View Document
4 March 2, 2022 FORM 4 SUBMISSION View Document
4 March 2, 2022 FORM 4 SUBMISSION View Document
SC 13D/A Feb. 28, 2022 SC 13D/A View Document
4 Feb. 25, 2022 OWNERSHIP DOCUMENT View Document
4 Feb. 24, 2022 FORM 4 SUBMISSION View Document
8-K Feb. 23, 2022 8-K View Document
4 Feb. 22, 2022 OWNERSHIP DOCUMENT View Document
SC 13G Feb. 17, 2022 - View Document
4 Feb. 16, 2022 OWNERSHIP DOCUMENT View Document
SC 13G Feb. 14, 2022 SC 13G View Document
4 Feb. 14, 2022 FORM 4 SUBMISSION View Document
5 Feb. 14, 2022 FORM 5 SUBMISSION View Document
SC 13G Feb. 14, 2022 CYTEK BIOSCIENCES, INC. View Document
SC 13G Feb. 14, 2022 SC 13G View Document
4 Feb. 9, 2022 FORM 4 SUBMISSION View Document
4 Jan. 6, 2022 FORM 4 SUBMISSION View Document
8-K Jan. 6, 2022 8-K View Document
3 Jan. 6, 2022 FORM 3 SUBMISSION View Document
10-Q Nov. 12, 2021 10-Q View Document
8-K Nov. 8, 2021 8-K View Document
10-Q/A Sept. 8, 2021 10-Q/A View Document
10-Q Sept. 3, 2021 10-Q View Document
8-K Sept. 3, 2021 8-K View Document
8-K Aug. 30, 2021 8-K View Document
SC 13D Aug. 6, 2021 SC 13D View Document
4 July 29, 2021 OWNERSHIP DOCUMENT View Document
4 July 27, 2021 FORM 4 SUBMISSION View Document
4 July 27, 2021 FORM 4 SUBMISSION View Document
4 July 27, 2021 FORM 4 SUBMISSION View Document
4 July 27, 2021 FORM 4 SUBMISSION View Document
4 July 27, 2021 FORM 4 SUBMISSION View Document
4 July 27, 2021 FORM 4 SUBMISSION View Document
8-K July 27, 2021 FORM 8-K View Document
4 July 26, 2021 FORM 4 SUBMISSION View Document
4 July 26, 2021 FORM 4 SUBMISSION View Document
4 July 26, 2021 FORM 4 SUBMISSION View Document
4 July 26, 2021 FORM 4 SUBMISSION View Document
4 July 26, 2021 FORM 4 SUBMISSION View Document
S-8 July 23, 2021 REGISTRATION STATEMENT ON FORM S-8 View Document
424B4 July 23, 2021 PROSPECTUS FILED PURSUANT TO RULE 424(B)94) View Document
3 July 22, 2021 OWNERSHIP DOCUMENT View Document
3 July 22, 2021 FORM 3 SUBMISSION View Document
3 July 22, 2021 FORM 3 SUBMISSION View Document
3 July 22, 2021 FORM 3 SUBMISSION View Document
3 July 22, 2021 FORM 3 SUBMISSION View Document
3 July 22, 2021 FORM 3 SUBMISSION View Document
3 July 22, 2021 FORM 3 SUBMISSION View Document
3 July 22, 2021 FORM 3 SUBMISSION View Document
3 July 22, 2021 FORM 3 SUBMISSION View Document
3 July 22, 2021 FORM 3 SUBMISSION View Document
EFFECT July 22, 2021 - View Document
CERT July 21, 2021 - View Document
CORRESP July 20, 2021 - View Document
8-A12B July 19, 2021 8-A12B View Document
S-1/A July 19, 2021 AMENDMENT NO. 2 TO FORM S-1 View Document
S-1/A July 14, 2021 S-1/A View Document
CORRESP July 13, 2021 - View Document
UPLOAD July 12, 2021 - View Document
S-1 July 2, 2021 REGISTRATION STATEMENT ON FORM S-1 View Document
CORRESP July 2, 2021 - View Document
UPLOAD June 28, 2021 - View Document
DRS/A June 14, 2021 - View Document
DRSLTR June 14, 2021 - View Document
UPLOAD May 18, 2021 - View Document
DRS April 22, 2021 - View Document
D Nov. 10, 2020 - View Document