{"transactions":[{"id":1426188,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-08-21T22:21:19.000Z","date":"2024-08-19","kind":"exercise","planned":false,"acquired":false,"shares":8840,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2024 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2024 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2024 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting on March 10, 2025 and each March 10 thereafter."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2024 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2024 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2024 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting on March 10, 2025 and each March 10 thereafter."}],"balance_after":126709,"derivative":{"underlying":"Common Stock","underlying_shares":8840},"source":{"system":"sec-edgar","filing":"0001415889-24-021856","document":"form4-08212024_100816.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924021856/form4-08212024_100816.xml","form_type":"4"}},{"id":1426187,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-08-21T22:21:19.000Z","date":"2024-08-19","kind":"exercise","planned":false,"acquired":false,"shares":920,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting on March 10, 2024 and each March 10 thereafter, until fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting on March 10, 2024 and each March 10 thereafter, until fully vested."}],"balance_after":9513,"derivative":{"underlying":"Common Stock","underlying_shares":920},"source":{"system":"sec-edgar","filing":"0001415889-24-021856","document":"form4-08212024_100816.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924021856/form4-08212024_100816.xml","form_type":"4"}},{"id":1426186,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-08-21T22:21:19.000Z","date":"2024-08-19","kind":"exercise","planned":false,"acquired":false,"shares":1006,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."}],"balance_after":9063,"derivative":{"underlying":"Common Stock","underlying_shares":1006},"source":{"system":"sec-edgar","filing":"0001415889-24-021856","document":"form4-08212024_100816.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924021856/form4-08212024_100816.xml","form_type":"4"}},{"id":1426185,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-08-21T22:21:19.000Z","date":"2024-08-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":3444,"price":5.53,"value":19045.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on August 19, 2024, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":16473,"source":{"system":"sec-edgar","filing":"0001415889-24-021856","document":"form4-08212024_100816.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924021856/form4-08212024_100816.xml","form_type":"4"}},{"id":1426184,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-08-21T22:21:19.000Z","date":"2024-08-19","kind":"exercise","planned":false,"acquired":true,"shares":8840,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":19917,"source":{"system":"sec-edgar","filing":"0001415889-24-021856","document":"form4-08212024_100816.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924021856/form4-08212024_100816.xml","form_type":"4"}},{"id":1426183,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-08-21T22:21:19.000Z","date":"2024-08-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":359,"price":5.53,"value":1985.27,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on August 19, 2024, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":11077,"source":{"system":"sec-edgar","filing":"0001415889-24-021856","document":"form4-08212024_100816.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924021856/form4-08212024_100816.xml","form_type":"4"}},{"id":1426182,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-08-21T22:21:19.000Z","date":"2024-08-19","kind":"exercise","planned":false,"acquired":true,"shares":920,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":11436,"source":{"system":"sec-edgar","filing":"0001415889-24-021856","document":"form4-08212024_100816.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924021856/form4-08212024_100816.xml","form_type":"4"}},{"id":1426181,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-08-21T22:21:19.000Z","date":"2024-08-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":392,"price":5.53,"value":2167.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on August 19, 2024, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":10516,"source":{"system":"sec-edgar","filing":"0001415889-24-021856","document":"form4-08212024_100816.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924021856/form4-08212024_100816.xml","form_type":"4"}},{"id":1426180,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-08-21T22:21:19.000Z","date":"2024-08-19","kind":"exercise","planned":false,"acquired":true,"shares":1006,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":10908,"source":{"system":"sec-edgar","filing":"0001415889-24-021856","document":"form4-08212024_100816.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924021856/form4-08212024_100816.xml","form_type":"4"}},{"id":1504931,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-05-22T22:34:40.000Z","date":"2024-05-20","kind":"exercise","planned":false,"acquired":false,"shares":5893,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2024 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2024 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2024 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2025 and each March 10 thereafter."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2024 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2024 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2024 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2025 and each March 10 thereafter."}],"balance_after":135549,"derivative":{"underlying":"Common Stock","underlying_shares":5893},"source":{"system":"sec-edgar","filing":"0001415889-24-014147","document":"form4-05222024_100534.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924014147/form4-05222024_100534.xml","form_type":"4"}},{"id":1504930,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-05-22T22:34:40.000Z","date":"2024-05-20","kind":"exercise","planned":false,"acquired":false,"shares":613,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."}],"balance_after":10433,"derivative":{"underlying":"Common Stock","underlying_shares":613},"source":{"system":"sec-edgar","filing":"0001415889-24-014147","document":"form4-05222024_100534.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924014147/form4-05222024_100534.xml","form_type":"4"}},{"id":1504929,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-05-22T22:34:40.000Z","date":"2024-05-20","kind":"exercise","planned":false,"acquired":false,"shares":1006,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."}],"balance_after":10069,"derivative":{"underlying":"Common Stock","underlying_shares":1006},"source":{"system":"sec-edgar","filing":"0001415889-24-014147","document":"form4-05222024_100534.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924014147/form4-05222024_100534.xml","form_type":"4"}},{"id":1504928,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-05-22T22:34:40.000Z","date":"2024-05-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":2296,"price":5.96,"value":13684.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on May 20, 2024, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":9902,"source":{"system":"sec-edgar","filing":"0001415889-24-014147","document":"form4-05222024_100534.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924014147/form4-05222024_100534.xml","form_type":"4"}},{"id":1504927,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-05-22T22:34:40.000Z","date":"2024-05-20","kind":"exercise","planned":false,"acquired":true,"shares":5893,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":12198,"source":{"system":"sec-edgar","filing":"0001415889-24-014147","document":"form4-05222024_100534.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924014147/form4-05222024_100534.xml","form_type":"4"}},{"id":1504926,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-05-22T22:34:40.000Z","date":"2024-05-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":239,"price":5.96,"value":1424.44,"ownership":{"direct":true},"balance_after":6305,"source":{"system":"sec-edgar","filing":"0001415889-24-014147","document":"form4-05222024_100534.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924014147/form4-05222024_100534.xml","form_type":"4"}},{"id":1504925,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-05-22T22:34:40.000Z","date":"2024-05-20","kind":"exercise","planned":false,"acquired":true,"shares":613,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":6544,"source":{"system":"sec-edgar","filing":"0001415889-24-014147","document":"form4-05222024_100534.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924014147/form4-05222024_100534.xml","form_type":"4"}},{"id":1504924,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-05-22T22:34:40.000Z","date":"2024-05-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":392,"price":5.96,"value":2336.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on May 20, 2024, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":5931,"source":{"system":"sec-edgar","filing":"0001415889-24-014147","document":"form4-05222024_100534.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924014147/form4-05222024_100534.xml","form_type":"4"}},{"id":1504923,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-05-22T22:34:40.000Z","date":"2024-05-20","kind":"exercise","planned":false,"acquired":true,"shares":1006,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":6323,"source":{"system":"sec-edgar","filing":"0001415889-24-014147","document":"form4-05222024_100534.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924014147/form4-05222024_100534.xml","form_type":"4"}},{"id":1578044,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-03-13T22:53:45.000Z","date":"2024-03-11","kind":"exercise","planned":false,"acquired":false,"shares":1227,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over four years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over four years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."}],"balance_after":11046,"derivative":{"underlying":"Common Stock","underlying_shares":1227},"source":{"system":"sec-edgar","filing":"0001415889-24-007870","document":"form4-03132024_100335.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924007870/form4-03132024_100335.xml","form_type":"4"}},{"id":1578043,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-03-13T22:53:45.000Z","date":"2024-03-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":478,"price":7.22,"value":3451.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on March 11, 2024, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":5317,"source":{"system":"sec-edgar","filing":"0001415889-24-007870","document":"form4-03132024_100335.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924007870/form4-03132024_100335.xml","form_type":"4"}},{"id":1578042,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-03-13T22:53:45.000Z","date":"2024-03-11","kind":"exercise","planned":false,"acquired":true,"shares":1227,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":5795,"source":{"system":"sec-edgar","filing":"0001415889-24-007870","document":"form4-03132024_100335.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924007870/form4-03132024_100335.xml","form_type":"4"}},{"id":1585808,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-03-08T23:51:18.000Z","date":"2024-03-06","kind":"grant","planned":false,"acquired":true,"shares":141442,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2024 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2024 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2024 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2025 and each March 10 thereafter."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2024 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2024 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2024 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2025 and each March 10 thereafter."}],"balance_after":141442,"derivative":{"underlying":"Common Stock","underlying_shares":141442},"source":{"system":"sec-edgar","filing":"0001415889-24-007439","document":"form4-03082024_110311.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924007439/form4-03082024_110311.xml","form_type":"4"}},{"id":1585807,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-03-08T23:51:18.000Z","date":"2024-03-06","kind":"grant","planned":false,"acquired":true,"shares":210526,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option shall vest over 4 years with 1/48 of the total shares underlying the option vesting on April 6, 2024 and each month thereafter."}],"balance_after":210526,"derivative":{"exercise_price":7.07,"expiration_date":"2034-03-06","underlying":"Common Stock","underlying_shares":210526},"source":{"system":"sec-edgar","filing":"0001415889-24-007439","document":"form4-03082024_110311.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924007439/form4-03082024_110311.xml","form_type":"4"}},{"id":1624477,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-02-22T22:49:07.000Z","date":"2024-02-20","kind":"exercise","planned":false,"acquired":false,"shares":1006,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."}],"balance_after":11075,"derivative":{"underlying":"Common Stock","underlying_shares":1006},"source":{"system":"sec-edgar","filing":"0001415889-24-004898","document":"form4-02222024_100248.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924004898/form4-02222024_100248.xml","form_type":"4"}},{"id":1624476,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-02-22T22:49:07.000Z","date":"2024-02-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":392,"price":8.38,"value":3284.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on February 20, 2024, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":4568,"source":{"system":"sec-edgar","filing":"0001415889-24-004898","document":"form4-02222024_100248.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924004898/form4-02222024_100248.xml","form_type":"4"}},{"id":1624475,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF OPERATING OFFICER"}}],"security":"Common Stock","published_at":"2024-02-22T22:49:07.000Z","date":"2024-02-20","kind":"exercise","planned":false,"acquired":true,"shares":1006,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":4960,"source":{"system":"sec-edgar","filing":"0001415889-24-004898","document":"form4-02222024_100248.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000141588924004898/form4-02222024_100248.xml","form_type":"4"}},{"id":1732134,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Restricted Stock Units","published_at":"2023-11-21T22:56:57.000Z","date":"2023-11-18","kind":"exercise","planned":false,"acquired":false,"shares":920,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The shares subject to the RSU Award shall vest over four years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The shares subject to the RSU Award shall vest over four years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."}],"balance_after":12273,"derivative":{"underlying":"Common Stock","underlying_shares":920},"source":{"system":"sec-edgar","filing":"0001209191-23-056351","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123056351/doc4.xml","form_type":"4"}},{"id":1732133,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Restricted Stock Units","published_at":"2023-11-21T22:56:57.000Z","date":"2023-11-18","kind":"exercise","planned":false,"acquired":false,"shares":4027,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."}],"balance_after":12081,"derivative":{"underlying":"Common Stock","underlying_shares":4027},"source":{"system":"sec-edgar","filing":"0001209191-23-056351","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123056351/doc4.xml","form_type":"4"}},{"id":1732132,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-11-21T22:56:57.000Z","date":"2023-11-18","kind":"tax_withholding","planned":false,"acquired":false,"shares":359,"price":5.98,"value":2146.82,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on November 18, 2023, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":3954,"source":{"system":"sec-edgar","filing":"0001209191-23-056351","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123056351/doc4.xml","form_type":"4"}},{"id":1732131,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-11-21T22:56:57.000Z","date":"2023-11-18","kind":"exercise","planned":false,"acquired":true,"shares":920,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":4313,"source":{"system":"sec-edgar","filing":"0001209191-23-056351","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123056351/doc4.xml","form_type":"4"}},{"id":1732130,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-11-21T22:56:57.000Z","date":"2023-11-18","kind":"tax_withholding","planned":false,"acquired":false,"shares":1569,"price":5.98,"value":9382.62,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on November 18, 2023, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":3393,"source":{"system":"sec-edgar","filing":"0001209191-23-056351","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123056351/doc4.xml","form_type":"4"}},{"id":1732129,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-11-21T22:56:57.000Z","date":"2023-11-18","kind":"exercise","planned":false,"acquired":true,"shares":4027,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":4962,"source":{"system":"sec-edgar","filing":"0001209191-23-056351","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123056351/doc4.xml","form_type":"4"}},{"id":1800382,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Restricted Stock Units","published_at":"2023-08-22T00:16:18.000Z","date":"2023-08-18","kind":"exercise","planned":false,"acquired":false,"shares":920,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over four years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over four years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."}],"balance_after":13193,"derivative":{"underlying":"08/18/2023","underlying_shares":920},"source":{"system":"sec-edgar","filing":"0001209191-23-046829","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123046829/doc4.xml","form_type":"4"}},{"id":1800381,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-08-22T00:16:18.000Z","date":"2023-08-18","kind":"tax_withholding","planned":false,"acquired":false,"shares":359,"price":8.46,"value":3037.14,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on August 18, 2023, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":935,"source":{"system":"sec-edgar","filing":"0001209191-23-046829","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123046829/doc4.xml","form_type":"4"}},{"id":1800380,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-08-22T00:16:18.000Z","date":"2023-08-18","kind":"exercise","planned":false,"acquired":true,"shares":920,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":1294,"source":{"system":"sec-edgar","filing":"0001209191-23-046829","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123046829/doc4.xml","form_type":"4"}},{"id":1883923,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Restricted Stock Units","published_at":"2023-05-19T23:17:25.000Z","date":"2023-05-18","kind":"exercise","planned":false,"acquired":false,"shares":613,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."}],"balance_after":14113,"derivative":{"underlying":"Common Stock","underlying_shares":613},"source":{"system":"sec-edgar","filing":"0001209191-23-031265","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123031265/doc4.xml","form_type":"4"}},{"id":1883922,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-05-19T23:17:25.000Z","date":"2023-05-18","kind":"tax_withholding","planned":false,"acquired":false,"shares":239,"price":6.69,"value":1598.91,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the Issuer on May 18, 2023, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award."}],"balance_after":374,"source":{"system":"sec-edgar","filing":"0001209191-23-031265","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123031265/doc4.xml","form_type":"4"}},{"id":1883921,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-05-19T23:17:25.000Z","date":"2023-05-18","kind":"exercise","planned":false,"acquired":true,"shares":613,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":613,"source":{"system":"sec-edgar","filing":"0001209191-23-031265","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123031265/doc4.xml","form_type":"4"}},{"id":1964776,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Restricted Stock Units","published_at":"2023-03-08T00:53:08.000Z","date":"2023-03-03","kind":"grant","acquired":true,"shares":14726,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested."}],"balance_after":14726,"derivative":{"underlying":"Common Stock","underlying_shares":14726},"source":{"system":"sec-edgar","filing":"0001209191-23-016981","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123016981/doc4.xml","form_type":"4"}},{"id":1964775,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Employee Stock option (right to buy)","published_at":"2023-03-08T00:53:08.000Z","date":"2023-03-03","kind":"grant","acquired":true,"shares":22257,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"1/48th of the shares subject to the option shall vest monthly over four years from the vesting commencement date of March 3, 2023. The option becomes fully vested on March 3, 2027."}],"balance_after":22257,"derivative":{"exercise_price":10.61,"expiration_date":"2033-03-03","underlying":"Common Stock","underlying_shares":22257},"source":{"system":"sec-edgar","filing":"0001209191-23-016981","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919123016981/doc4.xml","form_type":"4"}},{"id":2126787,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Restricted Stock Units","published_at":"2022-11-02T21:48:06.000Z","date":"2022-10-31","kind":"grant","acquired":true,"shares":16108,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Unit (the \"RSU Award\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18."}],"balance_after":16108,"derivative":{"underlying":"Common Stock","underlying_shares":16108},"source":{"system":"sec-edgar","filing":"0001209191-22-055368","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919122055368/doc4.xml","form_type":"4"}},{"id":2126786,"issuer":{"id":5345,"kind":"organization","name":"Cytek Biosciences, Inc."},"owners":[{"id":88113,"kind":"person","name":"Williams Paul Christopher","position":1,"cik":"0001951234","reported_name":"Williams Paul Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Stock option (right to buy)","published_at":"2022-11-02T21:48:06.000Z","date":"2022-10-31","kind":"grant","acquired":true,"shares":24601,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option shall vest as follows: 25% of the shares shall vest on October 31, 2023 and 1/48th of the total shares subject to the option shall vest monthly thereafter over the following three years."}],"balance_after":24601,"derivative":{"exercise_price":15.52,"expiration_date":"2032-10-31","underlying":"Common Stock","underlying_shares":24601},"source":{"system":"sec-edgar","filing":"0001209191-22-055368","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831915/000120919122055368/doc4.xml","form_type":"4"}}]}