Debt

9 Months Ended

Sep. 30, 2025

Debt Disclosure [Abstract]

Debt

Debt

On November 7, 2022, Cytek Wuxi entered a fixed asset loan agreement with Bank of Communications, China (the “Wuxi Loan”). The Wuxi Loan was denominated in Chinese renminbi and collateralized by Cytek Wuxi’s cash deposit to the bank. The deposit was in a separate account with Cytek Wuxi’s name, but the use of such account was restricted. The Company presented the deposit as restricted cash on the audited consolidated balance sheets as of December 31, 2022. In April 2023, the restricted cash account was released. The purchased building in Wuxi serves as collateral for the Wuxi Loan. The total loan amount was $2.9 million and the loan term is five years. As of September 30, 2025, the total outstanding loan amount is $1.2 million. The current portion of the loan, $0.6 million, is included in other current liabilities. As of September 30, 2025, the interest rate on the loan was 3.8%, which is based on the five-year Loan Prime Rate (LPR) plus a margin of 0.2%.

On October 24, 2024, the Company signed a maximum credit agreement with the Bank of China, Wuxi Branch (the “Bank of China Maximum Credit Agreement), for 37 million Chinese renminbi (approximately US $5.2 million), which was renewed on August 26, 2025. This credit is collateralized by Cytek Wuxi’s cash deposit to the bank. The 37 million Chinese renminbi (approximately US $5.2 million) can be borrowed, as needed, as a short-term loan for normal business operation requirements. Under the renewed Bank of China Maximum Credit Agreement, the line of credit is available until August 14, 2026. During the fourth quarter of 2024, the Company withdrew 20 million Chinese renminbi (approximately US $2.8 million) to support its operational needs. During the third quarter of 2025, the Company withdrew 15 million Chinese renminbi (approximately US $2.1 million) to support its operational needs. The remaining balance as of September 30, 2025 was 2 million Chinese renminbi (approximately US $0.3 million).

On January 6, 2025, Cytek (Shanghai) Biosciences Co., Ltd. signed a maximum credit agreement with the Bank of Ningbo for 10 million Chinese renminbi (approximately US $1.4 million). Collateral for the credit was provided to the bank by Cytek Wuxi. In January and March of 2025, Cytek (Shanghai) Biosciences Co., Ltd. withdrew 2.0 million Chinese renminbi (approximately US $0.3 million) and 3.0 million Chinese renminbi (approximately US $0.45 million), respectively, to support its operational needs. The interest rate was at 3.1% and 2.55%, respectively, and the lines of credit are due on January 9 and March 3, 2026, respectively. As of September 30, 2025, the outstanding balance was 5 million Chinese renminbi (approximately US $0.75 million).

On June 11, 2025, Cytek Wuxi entered into a one-year loan agreement with Bank of Communications, China. The loan was denominated in Chinese renminbi and collateralized by the building purchased by Cytek Wuxi in November 2023. The total loan amount was 10 million Chinese renminbi (approximately US $1.4 million) and the interest rate was fixed at 2.8%. The loan effective term is June 11, 2025 to June 10, 2026. The interest expenses are paid on a monthly basis. The loan was used for operating expenses. The total line of credit loan of 10 million Chinese renminbi (approximately US $1.4 million) is included in other current liabilities.