Cytek Biosciences, Inc.

CTKB·NASDAQ·$3.97Share Price as of 11/2·$513MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/07/26 10-KFY 202502/26/26 10-QQ3 ended 09/30/2511/05/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report09/29/26 8-KCurrent report08/24/26 8-KCurrent report08/05/26 8-KCurrent report07/15/26 8-KCurrent report06/25/26

Prospectuses and Registrations

S-8Registration of securities for employees02/27/26 S-8Registration of securities for employees02/28/25 S-8Registration of securities for employees03/14/24 S-8Registration of securities for employees03/02/23 S-3ASRAutomatic shelf registration08/26/22

Proxies

DEF 14ADefinitive proxy04/28/26 DEFA14AAdditional proxy materials04/28/26 DEF 14ADefinitive proxy04/28/25 DEFA14AAdditional proxy materials04/28/25 DEF 14ADefinitive proxy04/25/24

Ownership

144Proposed sale of securities09/02/26 Form 4Insider transaction08/20/26 Form 4Insider transaction08/20/26 Form 4Insider transaction08/20/26 Form 4Insider transaction08/20/26

Other

SDConflict Minerals disclosure06/01/26 ARSAnnual report to shareholders04/28/26 SDConflict Minerals disclosure05/30/25 ARSAnnual report to shareholders04/28/25 SDConflict Minerals disclosure05/31/24