Company
CTKB · CIK 0001831915
Acquisition (code M) of 3,086 shares; price not stated (see filing).
Reporting Person MUIR GLENN P · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001181190-26-000007 · filed 2026-08-20 · View filing →
Acquisition (code M) of 6,107 shares; price not stated (see filing).
Reporting Person Chin Richard · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001337252-26-000005 · filed 2026-08-20 · View filing →
Acquisition (code M) of 2,181 shares; price not stated (see filing).
Reporting Person Holder Michael · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001515140-26-000005 · filed 2026-08-20 · View filing →
Acquisition (code M) of 11,781 shares; price not stated (see filing).
Reporting Person Jiang Wenbin · Officer Title PRESIDENT AND CEO · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001872873-26-000006 · filed 2026-08-20 · View filing →
Disposition (code F) of 2,869 shares at $4.67 per share.
Reporting Person Jiang Wenbin · Officer Title PRESIDENT AND CEO · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001872873-26-000006 · filed 2026-08-20 · View filing →
Acquisition (code M) of 22,100 shares; price not stated (see filing).
Reporting Person Jiang Wenbin · Officer Title PRESIDENT AND CEO · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001872873-26-000006 · filed 2026-08-20 · View filing →
Disposition (code F) of 5,382 shares at $4.67 per share.
Reporting Person Jiang Wenbin · Officer Title PRESIDENT AND CEO · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001872873-26-000006 · filed 2026-08-20 · View filing →
Acquisition (code M) of 29,002 shares; price not stated (see filing).
Reporting Person Jiang Wenbin · Officer Title PRESIDENT AND CEO · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001872873-26-000006 · filed 2026-08-20 · View filing →
Disposition (code F) of 7,062 shares at $4.67 per share.
Reporting Person Jiang Wenbin · Officer Title PRESIDENT AND CEO · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001872873-26-000006 · filed 2026-08-20 · View filing →
Acquisition (code M) of 57,212 shares; price not stated (see filing).
Reporting Person Jiang Wenbin · Officer Title PRESIDENT AND CEO · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001872873-26-000006 · filed 2026-08-20 · View filing →
Disposition (code F) of 20,956 shares at $4.67 per share.
Reporting Person Jiang Wenbin · Officer Title PRESIDENT AND CEO · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001872873-26-000006 · filed 2026-08-20 · View filing →
Acquisition (code M) of 7,363 shares; price not stated (see filing).
Reporting Person Yan Ming · Officer Title CHIEF TECHNOLOGY OFFICER · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001874041-26-000009 · filed 2026-08-20 · View filing →
Disposition (code F) of 1,778 shares at $4.67 per share.
Reporting Person Yan Ming · Officer Title CHIEF TECHNOLOGY OFFICER · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001874041-26-000009 · filed 2026-08-20 · View filing →
Acquisition (code M) of 5,525 shares; price not stated (see filing).
Reporting Person Yan Ming · Officer Title CHIEF TECHNOLOGY OFFICER · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001874041-26-000009 · filed 2026-08-20 · View filing →
Disposition (code F) of 1,346 shares at $4.67 per share.
Reporting Person Yan Ming · Officer Title CHIEF TECHNOLOGY OFFICER · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001874041-26-000009 · filed 2026-08-20 · View filing →
Acquisition (code M) of 6,162 shares; price not stated (see filing).
Reporting Person Yan Ming · Officer Title CHIEF TECHNOLOGY OFFICER · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001874041-26-000009 · filed 2026-08-20 · View filing →
Disposition (code F) of 1,501 shares at $4.67 per share.
Reporting Person Yan Ming · Officer Title CHIEF TECHNOLOGY OFFICER · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001874041-26-000009 · filed 2026-08-20 · View filing →
Acquisition (code M) of 14,220 shares; price not stated (see filing).
Reporting Person Yan Ming · Officer Title CHIEF TECHNOLOGY OFFICER · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001874041-26-000009 · filed 2026-08-20 · View filing →
Disposition (code F) of 3,463 shares at $4.67 per share.
Reporting Person Yan Ming · Officer Title CHIEF TECHNOLOGY OFFICER · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001874041-26-000009 · filed 2026-08-20 · View filing →
Acquisition (code M) of 6,320 shares; price not stated (see filing).
Reporting Person McCombe William D. · Officer Title Chief Financial Officer · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001878824-26-000004 · filed 2026-08-20 · View filing →
Disposition (code F) of 2,111 shares at $4.67 per share.
Reporting Person McCombe William D. · Officer Title Chief Financial Officer · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001878824-26-000004 · filed 2026-08-20 · View filing →
Acquisition (code M) of 13,051 shares; price not stated (see filing).
Reporting Person McCombe William D. · Officer Title Chief Financial Officer · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001878824-26-000004 · filed 2026-08-20 · View filing →
Disposition (code F) of 4,392 shares at $4.67 per share.
Reporting Person McCombe William D. · Officer Title Chief Financial Officer · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001878824-26-000004 · filed 2026-08-20 · View filing →
Acquisition (code M) of 16,049 shares; price not stated (see filing).
Reporting Person McCombe William D. · Officer Title Chief Financial Officer · Transaction Code M
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001878824-26-000004 · filed 2026-08-20 · View filing →
Disposition (code F) of 5,401 shares at $4.67 per share.
Reporting Person McCombe William D. · Officer Title Chief Financial Officer · Transaction Code F
Traded Aug 18, 2026 · Disclosed Aug 20, 2026
Source: SEC Form 4 · 0001878824-26-000004 · filed 2026-08-20 · View filing →