Insider Transactions (Latest 20)


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Date Name Title Action No Shares Price Per Share

Insider Transactions For CTKB

2026-08-18Mccombe, William D.Chief Financial OfficerSold16049$0.00
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOSold5382$4.67
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOPurchased22100$0.00
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOSold2869$4.67
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOPurchased11781$0.00
2026-08-18Mccombe, William D.Chief Financial OfficerPurchased13051$0.00
2026-08-18Mccombe, William D.Chief Financial OfficerSold2111$4.67
2026-08-18Mccombe, William D.Chief Financial OfficerPurchased6320$0.00
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOSold57212$0.00
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOSold29002$0.00
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOSold22100$0.00
2026-08-18Chin, RichardDirectorSold6107$0.00
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOSold11781$0.00
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOSold20956$4.67
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOPurchased57212$0.00
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOSold7062$4.67
2026-08-18Muir, Glenn PDirectorPurchased3086$0.00
2026-08-18Jiang, WenbinDirector, PRESIDENT AND CEOPurchased29002$0.00
2026-08-18Yan, MingDirector, CHIEF TECHNOLOGY OFFICERSold14220$0.00
2026-08-18Yan, MingDirector, CHIEF TECHNOLOGY OFFICERSold6162$0.00

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