Yan Ming

Insider

CHIEF TECHNOLOGY OFFICER

Trades at: CTKB

30D 90D 1Y

No open-market buys or sells in this period. The transactions below are grants, option exercises and gifts, which carry no market price.

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 365d

Open-market Buys Sells All types

CTKB Other·G
Jun 12, 26

CHIEF TECHNOLOGY OFFICER

$0

135.9K sh

Own -3%
CTKB Exercise·M
May 18, 26

CHIEF TECHNOLOGY OFFICER

$0

22.2K sh · 4 lots

Own +11%
CTKB Other·F
May 18, 26

CHIEF TECHNOLOGY OFFICER

$19.6K

5.5K sh · $3.55 avg · 4 lots

Own -0%
CTKB Exercise·M
May 18, 26

CHIEF TECHNOLOGY OFFICER

—

22.2K sh · 4 lots

Own +0%
CTKB Other·G
Mar 13, 26

CHIEF TECHNOLOGY OFFICER

$0

1.2M sh

Own -19%
CTKB Grant·A
Mar 10, 26

CHIEF TECHNOLOGY OFFICER

$0

348.2K sh · 2 lots

Own New
CTKB Exercise·M
Mar 10, 26

CHIEF TECHNOLOGY OFFICER

$0

25.4K sh · 3 lots

Own +52%
CTKB Exercise·M
Mar 10, 26

CHIEF TECHNOLOGY OFFICER

—

25.4K sh · 3 lots

Own +0%
CTKB Other·F
Mar 10, 26

CHIEF TECHNOLOGY OFFICER

$32.7K

7.7K sh · $4.23 avg · 3 lots

Own -0%
CTKB Exercise·M
Feb 18, 26

CHIEF TECHNOLOGY OFFICER

$0

1.3K sh

Own New
CTKB Other·F
Feb 18, 26

CHIEF TECHNOLOGY OFFICER

$1.7K

395 sh · $4.20

Own -0%
CTKB Exercise·M
Feb 18, 26

CHIEF TECHNOLOGY OFFICER

—

1.3K sh

Own +0%
CTKB Exercise·M
Nov 18, 25

CHIEF TECHNOLOGY OFFICER

$0

21.0K sh · 4 lots

Own +34%
CTKB Exercise·M
Nov 18, 25

CHIEF TECHNOLOGY OFFICER

—

21.0K sh · 4 lots

Own +0%
CTKB Other·F
Nov 18, 25

CHIEF TECHNOLOGY OFFICER

$28.3K

5.1K sh · $5.53 avg · 4 lots

Own -0%
CTKB Exercise·M
Aug 18, 25

CHIEF TECHNOLOGY OFFICER

$0

21.0K sh · 4 lots

Own +31%
CTKB Exercise·M
Aug 18, 25

CHIEF TECHNOLOGY OFFICER

—

21.0K sh · 4 lots

Own +0%
CTKB Other·F
Aug 18, 25

CHIEF TECHNOLOGY OFFICER

$23.3K

5.7K sh · $4.06 avg · 4 lots

Own -0%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 12, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Other G	135.9K	-3%	—	$0
May 18, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	22.2K4 lots	+11%	—	$0
May 18, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Other F	5.5K4 lots	-0%	$3.55 avg	$19.6K
May 18, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	22.2K4 lots	+0%	—	—
Mar 13, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Other G	1.2M	-19%	—	$0
Mar 10, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Grant A	348.2K2 lots	New	—	$0
Mar 10, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	25.4K3 lots	+52%	—	$0
Mar 10, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	25.4K3 lots	+0%	—	—
Mar 10, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Other F	7.7K3 lots	-0%	$4.23 avg	$32.7K
Feb 18, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	1.3K	New	—	$0
Feb 18, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Other F	395	-0%	$4.20	$1.7K
Feb 18, 2026	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	1.3K	+0%	—	—
Nov 18, 2025	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	21.0K4 lots	+34%	—	$0
Nov 18, 2025	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	21.0K4 lots	+0%	—	—
Nov 18, 2025	CTKB	CHIEF TECHNOLOGY OFFICER	Other F	5.1K4 lots	-0%	$5.53 avg	$28.3K
Aug 18, 2025	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	21.0K4 lots	+31%	—	$0
Aug 18, 2025	CTKB	CHIEF TECHNOLOGY OFFICER	Exercise M	21.0K4 lots	+0%	—	—
Aug 18, 2025	CTKB	CHIEF TECHNOLOGY OFFICER	Other F	5.7K4 lots	-0%	$4.06 avg	$23.3K

Buy Sell Non-market (grant · exercise · gift)

About Yan Ming

This profile aggregates every SEC Form 4 insider transaction reported by Yan Ming across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.