Cytek Biosciences, Inc. - CTKB
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
· Updating…
Visible: 0
Transaction codes:
P = Open-market purchase ·
S = Open-market sale ·
A = Grant/award ·
M = Exercise/conversion of derivative ·
G = Gift ·
F = Tax withholding ·
J = Other ·
A/D:
A = Acquired (buy/receive) ·
D = Disposed (sell/give)
| Filed | Owner | Title | Code | A/D | Shares | Price | Value | Shares after | SEC |
|---|---|---|---|---|---|---|---|---|---|
| May 20, 2026 | — | M | D | 1,454.0 | 0.0 | 0.0 | 9,457.0 | View | |
| May 20, 2026 | — | M | A | 1,454.0 | — | — | 16,721.0 | View | |
| May 20, 2026 | — | M | D | 6,107.0 | 0.0 | 0.0 | 50,897.0 | View | |
| May 20, 2026 | — | M | A | 6,107.0 | — | — | 22,392.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | D | 9,480.0 | 0.0 | 0.0 | 218,055.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | D | 4,108.0 | 0.0 | 0.0 | 69,850.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | D | 3,683.0 | 0.0 | 0.0 | 40,520.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | D | 4,908.0 | 0.0 | 0.0 | 24,552.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | F | D | 2,364.0 | 3.55 | 8,392.2 | 4,932,580.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | A | 9,480.0 | — | — | 4,934,944.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | F | D | 1,025.0 | 3.55 | 3,638.75 | 4,925,464.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | A | 4,108.0 | — | — | 4,926,489.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | F | D | 919.0 | 3.55 | 3,262.45 | 4,922,381.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | A | 3,683.0 | — | — | 4,923,300.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | F | D | 1,224.0 | 3.55 | 4,345.2 | 4,919,617.0 | View | |
| May 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | A | 4,908.0 | — | — | 4,920,841.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | M | D | 5,551.0 | 0.0 | 0.0 | 127,675.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | M | D | 2,416.0 | 0.0 | 0.0 | 41,089.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | M | D | 1,473.0 | 0.0 | 0.0 | 16,209.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | M | D | 1,024.0 | 0.0 | 0.0 | 5,641.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | F | D | 1,424.0 | 3.55 | 5,055.2 | 43,466.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | M | A | 5,551.0 | — | — | 44,890.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | F | D | 620.0 | 3.55 | 2,201.0 | 39,339.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | M | A | 2,416.0 | — | — | 39,959.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | F | D | 378.0 | 3.55 | 1,341.9 | 37,543.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | M | A | 1,473.0 | — | — | 37,921.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | F | D | 263.0 | 3.55 | 933.65 | 36,448.0 | View | |
| May 20, 2026 | SVP, GLOBAL SALES AND SERVICES | M | A | 1,024.0 | — | — | 36,711.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | M | D | 38,141.0 | 0.0 | 0.0 | 877,266.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | M | D | 19,334.0 | 0.0 | 0.0 | 328,696.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | M | D | 14,733.0 | 0.0 | 0.0 | 162,073.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | M | D | 7,854.0 | 0.0 | 0.0 | 39,275.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | F | D | 15,009.0 | 3.55 | 53,281.95 | 5,477,203.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | M | A | 38,141.0 | — | — | 5,492,212.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | F | D | 5,032.0 | 3.55 | 17,863.6 | 5,454,071.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | M | A | 19,334.0 | — | — | 5,459,103.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | F | D | 3,588.0 | 3.55 | 12,737.4 | 5,439,769.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | M | A | 14,733.0 | — | — | 5,443,357.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | F | D | 1,913.0 | 3.55 | 6,791.15 | 5,428,624.0 | View | |
| May 20, 2026 | PRESIDENT AND CEO | M | A | 7,854.0 | — | — | 5,430,537.0 | View | |
| May 20, 2026 | Chief Financial Officer | M | D | 10,699.0 | 0.0 | 0.0 | 246,091.0 | View | |
| May 20, 2026 | Chief Financial Officer | M | D | 8,700.0 | 0.0 | 0.0 | 147,913.0 | View | |
| May 20, 2026 | Chief Financial Officer | M | D | 6,320.0 | 0.0 | 0.0 | 50,569.0 | View | |
| May 20, 2026 | Chief Financial Officer | F | D | 3,839.0 | 3.55 | 13,628.45 | 111,177.0 | View | |
| May 20, 2026 | Chief Financial Officer | M | A | 10,699.0 | — | — | 115,016.0 | View | |
| May 20, 2026 | Chief Financial Officer | F | D | 3,122.0 | 3.55 | 11,083.1 | 104,317.0 | View | |
| May 20, 2026 | Chief Financial Officer | M | A | 8,700.0 | — | — | 107,439.0 | View | |
| May 20, 2026 | Chief Financial Officer | F | D | 2,268.0 | 3.55 | 8,051.4 | 98,739.0 | View | |
| May 20, 2026 | Chief Financial Officer | M | A | 6,320.0 | — | — | 101,007.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | M | D | 9,435.0 | 0.0 | 0.0 | 217,018.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | M | D | 7,250.0 | 0.0 | 0.0 | 123,262.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | M | D | 5,156.0 | 0.0 | 0.0 | 56,728.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | M | D | 2,454.0 | 0.0 | 0.0 | 12,280.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | F | D | 3,386.0 | 3.55 | 12,020.3 | 150,012.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | M | A | 9,435.0 | — | — | 153,398.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | F | D | 2,602.0 | 3.55 | 9,237.1 | 143,963.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | M | A | 7,250.0 | — | — | 146,565.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | F | D | 1,850.0 | 3.55 | 6,567.5 | 139,315.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | M | A | 5,156.0 | — | — | 141,165.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | F | D | 881.0 | 3.55 | 3,127.55 | 136,009.0 | View | |
| May 20, 2026 | CHIEF LEGAL OFFICER | M | A | 2,454.0 | — | — | 136,890.0 | View | |
| Mar 13, 2026 | CHIEF TECHNOLOGY OFFICER | G | D | 1,176,000.0 | 0.0 | 0.0 | 4,915,933.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | M | D | 8,217.0 | 0.0 | 0.0 | 73,958.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | M | D | 7,366.0 | 0.0 | 0.0 | 44,203.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | M | D | 9,817.0 | 0.0 | 0.0 | 29,460.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | A | A | 227,535.0 | 0.0 | 0.0 | 227,535.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | A | A | 120,688.0 | 0.0 | 0.0 | 120,688.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | F | D | 2,397.0 | 4.23 | 10,139.31 | 6,091,933.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | M | A | 8,217.0 | — | — | 6,094,330.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | F | D | 2,287.0 | 4.23 | 9,674.01 | 6,086,113.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | M | A | 7,366.0 | — | — | 6,088,400.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | F | D | 3,047.0 | 4.23 | 12,888.81 | 6,081,034.0 | View | |
| Mar 12, 2026 | CHIEF TECHNOLOGY OFFICER | M | A | 9,817.0 | — | — | 6,084,081.0 | View | |
| Mar 12, 2026 | Chief Financial Officer | M | D | 17,401.0 | 0.0 | 0.0 | 156,613.0 | View | |
| Mar 12, 2026 | Chief Financial Officer | M | D | 6,320.0 | 0.0 | 0.0 | 56,889.0 | View | |
| Mar 12, 2026 | Chief Financial Officer | A | A | 256,790.0 | 0.0 | 0.0 | 256,790.0 | View | |
| Mar 12, 2026 | Chief Financial Officer | A | A | 136,205.0 | 0.0 | 0.0 | 136,205.0 | View | |
| Mar 12, 2026 | Chief Financial Officer | F | D | 7,145.0 | 4.23 | 30,223.35 | 94,687.0 | View | |
| Mar 12, 2026 | Chief Financial Officer | M | A | 17,401.0 | — | — | 101,832.0 | View | |
| Mar 12, 2026 | Chief Financial Officer | F | D | 2,603.0 | 4.23 | 11,010.69 | 84,431.0 | View | |
| Mar 12, 2026 | Chief Financial Officer | M | A | 6,320.0 | — | — | 87,034.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | M | D | 38,669.0 | 0.0 | 0.0 | 348,030.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | M | D | 29,467.0 | 0.0 | 0.0 | 176,806.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | M | D | 15,708.0 | 0.0 | 0.0 | 47,129.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | A | A | 915,407.0 | 0.0 | 0.0 | 915,407.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | A | A | 485,545.0 | 0.0 | 0.0 | 485,545.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | F | D | 9,416.0 | 4.23 | 39,829.68 | 5,422,683.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | M | A | 38,669.0 | — | — | 5,432,099.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | F | D | 7,747.0 | 4.23 | 32,769.81 | 5,393,430.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | M | A | 29,467.0 | — | — | 5,401,177.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | F | D | 3,825.0 | 4.23 | 16,179.75 | 5,371,710.0 | View | |
| Mar 12, 2026 | PRESIDENT AND CEO | M | A | 15,708.0 | — | — | 5,375,535.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | M | D | 4,833.0 | 0.0 | 0.0 | 43,505.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | M | D | 2,946.0 | 0.0 | 0.0 | 17,682.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | M | D | 2,049.0 | 0.0 | 0.0 | 6,665.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | A | A | 133,226.0 | 0.0 | 0.0 | 133,226.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | A | A | 70,665.0 | 0.0 | 0.0 | 70,665.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | F | D | 1,496.0 | 4.23 | 6,328.08 | 35,687.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | M | A | 4,833.0 | — | — | 37,183.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | F | D | 912.0 | 4.23 | 3,857.76 | 32,350.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | M | A | 2,946.0 | — | — | 33,262.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | F | D | 635.0 | 4.23 | 2,686.05 | 30,316.0 | View | |
| Mar 12, 2026 | SVP, GLOBAL SALES AND SERVICES | M | A | 2,049.0 | — | — | 30,951.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | M | D | 14,501.0 | 0.0 | 0.0 | 130,512.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | M | D | 10,313.0 | 0.0 | 0.0 | 61,884.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | M | D | 4,908.0 | 0.0 | 0.0 | 14,734.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | A | A | 226,453.0 | 0.0 | 0.0 | 226,453.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | A | A | 120,114.0 | 0.0 | 0.0 | 120,114.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | F | D | 5,740.0 | 4.23 | 24,280.2 | 134,436.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | M | A | 14,501.0 | — | — | 140,176.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | F | D | 4,247.0 | 4.23 | 17,964.81 | 125,675.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | M | A | 10,313.0 | — | — | 129,922.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | F | D | 1,761.0 | 4.23 | 7,449.03 | 119,609.0 | View | |
| Mar 12, 2026 | CHIEF LEGAL OFFICER | M | A | 4,908.0 | — | — | 121,370.0 | View | |
| Mar 12, 2026 | — | M | D | 6,107.0 | 0.0 | 0.0 | 57,004.0 | View | |
| Mar 12, 2026 | — | M | A | 6,107.0 | — | — | 16,285.0 | View | |
| Mar 12, 2026 | — | M | D | 2,908.0 | 0.0 | 0.0 | 10,911.0 | View | |
| Mar 12, 2026 | — | M | A | 2,908.0 | — | — | 15,267.0 | View | |
| Feb 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | D | 1,332.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 20, 2026 | CHIEF TECHNOLOGY OFFICER | F | D | 395.0 | 4.2 | 1,659.0 | 6,074,264.0 | View | |
| Feb 20, 2026 | CHIEF TECHNOLOGY OFFICER | M | A | 1,332.0 | — | — | 6,074,659.0 | View | |
| Feb 20, 2026 | PRESIDENT AND CEO | M | D | 4,514.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 20, 2026 | PRESIDENT AND CEO | F | D | 1,339.0 | 4.2 | 5,623.8 | 5,359,827.0 | View | |
| Feb 20, 2026 | PRESIDENT AND CEO | M | A | 4,514.0 | — | — | 5,361,166.0 | View | |
| Feb 20, 2026 | CHIEF LEGAL OFFICER | M | D | 1,346.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 20, 2026 | CHIEF LEGAL OFFICER | F | D | 525.0 | 4.2 | 2,205.0 | 116,462.0 | View | |
| Feb 20, 2026 | CHIEF LEGAL OFFICER | M | A | 1,346.0 | — | — | 116,987.0 | View |