Cytek Biosciences, Inc.

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Cytek Biosciences, Inc.

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Trade Date Insider Title Buy or Sell Quantity Security Type Price Proceeds Transaction Conviction Position Quantity Position Value Positon Conviction SEC Link Nature of Ownership
2021-07-22Feng Deng-Buy147,933Common Stock$0.00$0.00  -147,933$0.00  11.31    [Average]Form 4See footnote
2021-07-22Feng Deng-Buy4,168,777Common Stock$0.00$0.00  -4,168,777$0.00  318.69   [Very High]Form 4See footnote
2021-07-22Feng Deng-Buy443,800Common Stock$0.00$0.00  -443,800$0.00  33.93    [High]Form 4See footnote
2021-07-22Wenbin JiangPresident and CEOBuy2,666,600Common Stock$0.00$0.00  -2,666,600$0.00  203.85   [Very High]Form 4See footnote
2021-07-22Allen PoirsonSVP Marketing and Corp. Dev.Buy1,500Common Stock$17.00-$25,500.00  0.11     [ Low ]40,383$686,511.00  3.09     [Low]Form 4-
2021-07-22Gisele Dion-Buy5,000Common Stock$17.00-$85,000.00  0.38     [ Average ]5,000$85,000.00  0.38     [Very Low]Form 4-
2021-07-22Jack Ball-Buy3,000Common Stock$17.00-$51,000.00  0.23     [ Low ]3,000$51,000.00  0.23     [Very Low]Form 4-
2021-07-22Valerie BarnettGeneral CounselBuy1,900Common Stock$17.00-$32,300.00  0.15     [ Low ]1,900$32,300.00  0.15     [Very Low]Form 4-
2021-07-27Ra Capital Management, L.p.-Buy5,150,751Common Stock$0.00$0.00  -5,150,751$0.00  393.76   [Very High]Form 4See footnotes
2021-07-27Ra Capital Management, L.p.-Buy2,762,786Common Stock$17.00-$46,967,362.00  211.21   [ Very High ]7,913,537$134,530,129.00  604.97   [Very High]Form 4See footnotes
2021-07-27Ra Capital Management, L.p.-Buy998,553Common Stock$0.00$0.00  -998,553$0.00  76.34    [Very High]Form 4See footnotes
2021-07-27Ra Capital Management, L.p.-Buy187,214Common Stock$17.00-$3,182,638.00  14.31    [ Very High ]1,185,767$20,158,039.00  90.65    [Very High]Form 4See footnotes
2021-07-27Ra Capital Management, L.p.-Buy507,724Common Stock$0.00$0.00  -507,724$0.00  38.81    [High]Form 4See footnotes
2021-12-04Wenbin JiangPresident and CEOSell5,000Common Stock$0.00$0.00  -7,842,710$0.00  586.48   [Very High]Form 4-
2022-02-07Wenbin JiangPresident and CEOSell20,000Common Stock$14.40$288,000.00  1.50     [ High ]7,889,375$113,607,000.00  589.97   [Very High]Form 4-
2022-02-10Ming YanChief Technology OfficerSell14,706Common Stock$15.01$220,737.06  1.10     [ High ]8,115,086$121,807,440.86  606.84   [Very High]Form 4-
2022-02-10Ming YanChief Technology OfficerSell5,294Common Stock$15.37$81,368.78  0.40     [ Average ]8,109,792$124,647,503.04  606.45   [Very High]Form 4-
2022-02-14Ra Capital Management, L.p.-Buy166,229Common Stock$14.72-$2,446,890.88  12.43    [ Very High ]9,773,257$143,862,343.04  730.84   [Very High]Form 4See footnotes
2022-02-15Ra Capital Management, L.p.-Buy166,200Common Stock$14.99-$2,491,338.00  12.43    [ Very High ]9,939,457$148,992,460.43  743.27   [Very High]Form 4See footnotes
2022-02-16Ra Capital Management, L.p.-Buy166,200Common Stock$14.98-$2,489,676.00  12.43    [ Very High ]10,105,657$151,382,741.86  755.70   [Very High]Form 4See footnotes
2022-02-17Ra Capital Management, L.p.-Buy166,229Common Stock$14.78-$2,456,864.62  12.43    [ Very High ]10,271,886$151,818,475.08  768.13   [Very High]Form 4See footnotes
2022-02-18Ra Capital Management, L.p.-Buy166,229Common Stock$14.12-$2,347,153.48  12.43    [ Very High ]10,438,115$147,386,183.80  780.56   [Very High]Form 4See footnotes
2022-02-22Ra Capital Management, L.p.-Buy214,922Common Stock$13.46-$2,892,850.12  16.07    [ Very High ]10,653,037$143,389,878.02  796.63   [Very High]Form 4See footnotes
2022-02-22Ming YanChief Technology OfficerSell20,000Common Stock$13.44$268,800.00  1.50     [ High ]8,089,792$108,726,804.48  604.95   [Very High]Form 4-
2022-02-23Ra Capital Management, L.p.-Buy214,922Common Stock$13.41-$2,882,104.02  16.07    [ Very High ]10,867,959$145,739,330.19  812.56   [Very High]Form 4See footnotes
2022-02-24Ra Capital Management, L.p.-Buy186,467Common Stock$13.03-$2,429,665.01  13.94    [ Very High ]11,054,426$144,039,170.78  826.50   [Very High]Form 4See footnotes
2022-02-25Ra Capital Management, L.p.-Buy18,991Common Stock$12.99-$246,693.09  1.42     [ High ]11,073,417$143,843,686.83  827.92   [Very High]Form 4See footnotes
2022-02-28Ra Capital Management, L.p.-Buy8,746Common Stock$12.97-$113,435.62  0.65     [ Average ]11,082,163$143,735,654.11  828.57   [Very High]Form 4See footnotes
2022-03-01Ra Capital Management, L.p.-Buy294,864Common Stock$12.98-$3,827,334.72  22.05    [ Very High ]11,377,027$147,673,810.46  850.62   [Very High]Form 4See footnotes
2022-03-02Ra Capital Management, L.p.-Buy138,255Common Stock$12.89-$1,782,106.95  10.34    [ Very High ]11,515,282$148,431,984.98  860.96   [Very High]Form 4See footnotes
2022-03-04Ra Capital Management, L.p.-Buy63,662Common Stock$12.99-$826,969.38  4.76     [ Very High ]11,578,944$150,410,482.56  865.72   [Very High]Form 4See footnotes
2022-03-07Ra Capital Management, L.p.-Buy337,901Common Stock$12.61-$4,260,931.61  25.26    [ Very High ]11,916,845$150,271,415.45  890.98   [Very High]Form 4See footnotes
2022-03-08Ra Capital Management, L.p.-Buy245,701Common Stock$12.86-$3,159,714.86  18.37    [ Very High ]12,162,546$156,410,341.56  909.35   [Very High]Form 4See footnotes
2022-03-04Valerie BarnettGeneral CounselBuy10,500Common Stock$4.71-$49,455.00  0.79     [ High ]12,400$58,404.00  0.93     [Very Low]Form 4-
2022-03-04Wenbin JiangPresident and CEOBuy66,665Common Stock$0.25-$16,666.25  4.98     [ Very High ]7,956,040$1,989,010.00  594.84   [Very High]Form 4-
2022-03-07Wenbin JiangPresident and CEOSell18,800Common Stock$12.58$236,504.00  1.41     [ High ]7,937,240$99,850,479.20  593.44   [Very High]Form 4-
2022-03-07Wenbin JiangPresident and CEOSell1,200Common Stock$13.79$16,548.00  0.09     [ Low ]7,936,040$109,437,991.60  593.35   [Very High]Form 4-
2022-03-07Ming YanChief Technology OfficerBuy62,456Common Stock$0.25-$15,614.00  4.67     [ Very High ]8,152,248$2,038,062.00  609.51   [Very High]Form 4-
2022-03-07Ming YanChief Technology OfficerBuy10,555Common Stock$0.92-$9,710.60  0.79     [ High ]8,162,803$7,509,778.76  610.30   [Very High]Form 4-
2022-03-09Ra Capital Management, L.p.-Buy40,154Common Stock$12.99-$521,600.46  3.00     [ Very High ]12,202,700$158,513,073.00  912.35   [Very High]Form 4See footnotes
2022-03-10Ra Capital Management, L.p.-Buy256,992Common Stock$12.95-$3,328,046.40  19.21    [ Very High ]12,459,692$161,353,011.40  931.57   [Very High]Form 4See footnotes
2022-03-11Ra Capital Management, L.p.-Buy337,492Common Stock$12.77-$4,309,772.84  25.23    [ Very High ]12,797,184$163,420,039.68  956.80   [Very High]Form 4See footnotes
2022-03-14Ra Capital Management, L.p.-Buy342,143Common Stock$12.35-$4,225,466.05  25.58    [ Very High ]13,139,327$162,270,688.45  982.38   [Very High]Form 4See footnotes
2022-03-15Ra Capital Management, L.p.-Buy241,727Common Stock$12.27-$2,965,990.29  18.07    [ Very High ]13,381,054$164,185,532.58  1,000.45 [Very High]Form 4See footnotes
2022-03-21Ming YanChief Technology OfficerSell20,000Common Stock$11.64$232,800.00  1.49     [ High ]8,142,803$94,782,226.92  607.32   [Very High]Form 4-
2022-04-07Wenbin JiangPresident and CEOSell20,000Common Stock$10.54$210,800.00  1.49     [ High ]7,916,040$83,435,061.60  590.41   [Very High]Form 4-
2022-04-19Ming YanChief Technology OfficerSell20,000Common Stock$10.34$206,800.00  1.49     [ High ]8,122,803$83,989,783.02  605.83   [Very High]Form 4-
2022-05-09Wenbin JiangPresident and CEOSell20,000Common Stock$8.01$160,200.00  1.49     [ High ]7,896,040$63,247,280.40  587.87   [Very High]Form 4-
2022-05-18Valerie BarnettGeneral CounselBuy2,688Common Stock$0.00$0.00  -15,088$0.00  1.12     [Very Low]Form 4-
2022-05-18Valerie BarnettGeneral CounselSell1,047Common Stock$9.65$10,103.55  0.08     [ Very Low ]14,041$135,495.65  1.05     [Very Low]Form 4-
2022-05-18Patrik JeanmonodChief Financial OfficerBuy2,336Common Stock$0.00$0.00  -98,333$0.00  7.32     [Average]Form 4-
2022-05-18Patrik JeanmonodChief Financial OfficerSell910Common Stock$9.65$8,781.50  0.07     [ Very Low ]97,423$940,131.95  7.25     [Average]Form 4-
2022-05-18Wenbin JiangPresident and CEOBuy9,011Common Stock$0.00$0.00  -7,905,051$0.00  588.55   [Very High]Form 4-
2022-05-18Wenbin JiangPresident and CEOSell3,510Common STock$9.65$33,871.50  0.26     [ Low ]7,901,541$76,249,870.65  588.28   [Very High]Form 4-
2022-05-18Allen PoirsonSVP Marketing and Corp. Dev.Buy1,053Common Stock$0.00$0.00  -41,436$0.00  3.08     [Low]Form 4-
2022-05-18Allen PoirsonSVP Marketing and Corp. Dev.Sell411Common Stock$9.65$3,966.15  0.03     [ Very Low ]41,025$395,891.25  3.05     [Low]Form 4-
2022-05-18Ming YanChief Technology OfficerBuy2,642Common Stock$0.00$0.00  -8,125,445$0.00  604.95   [Very High]Form 4-
2022-05-18Ming YanChief Technology OfficerSell1,030Common Stock$9.65$9,939.50  0.08     [ Very Low ]8,124,415$78,400,604.75  604.88   [Very High]Form 4-
2022-05-19Ming YanChief Technology OfficerSell20,000Common Stock$9.92$198,400.00  1.49     [ High ]8,104,415$80,395,796.80  603.39   [Very High]Form 4-
2022-06-07Wenbin JiangPresident and CEOSell20,000Common Stock$10.75$215,000.00  1.49     [ High ]7,881,541$84,726,565.75  586.80   [Very High]Form 4-
2022-06-21Ming YanChief Technology OfficerSell20,000Common Stock$10.06$201,200.00  1.49     [ High ]8,084,415$81,329,214.90  601.91   [Very High]Form 4-