Ming Yan

Current Holdings

CHIEF TECHNOLOGY OFFICER, Director
Security Holdings
Common Stock 6,007,075 shares

Cumulative Trading

This page tracks insider trading for Ming Yan, which means you can track and be informed when insider trading (i.e., insider trades) occurs. Trading stock is common amongst insiders, and the SEC requires stock trades (such as when individuals buy stock, sell stock, receive stock compensation, etc.) from insiders to be made publicly available. Some people follow the insider market to help them when investing in the stock market (e.g., when deciding whether to buy stocks). On this page, you will see stock trading that Ming Yan has engaged in since 2021. As shown above, Ming Yan has completed -$3,272,163 in total transactions, which were made available through the SEC Form 4, a regulatory filing that makes stock exchange data like this public knowledge.

Found 31 filings

Positive values indicate buys, negative values indicate sales.

Ticker Date Net Cash Net Shares Bought Cash Bought Shares Sold Cash Sold Shares
CTKB 2024-8-19 $0 11,138 $0 14,869 $0 -3,731 SEC Filing
CTKB 2024-5-20 $0 7,435 $0 10,572 $0 -3,137 SEC Filing
CTKB 2024-4-19 -$117,400 -20,000 $0 0 -$117,400 -20,000 SEC Filing
CTKB 2024-4-9 -$13,304 -1,900 $0 0 -$13,304 -1,900 SEC Filing
CTKB 2024-3-18 -$269,600 -40,000 $0 0 -$269,600 -40,000 SEC Filing
CTKB 2024-3-11 $0 6,906 $0 9,817 $0 -2,911 SEC Filing
CTKB 2024-2-20 $0 1,393 $0 1,981 $0 -588 SEC Filing
CTKB 2023-12-19 -$188,600 -20,000 $0 0 -$188,600 -20,000 SEC Filing
CTKB 2023-11-18 $0 -13,859 $0 9,344 $0 -23,203 SEC Filing
CTKB 2023-11-14 $0 -1,700,000 $0 0 $0 -1,700,000 SEC Filing
CTKB 2023-10-19 -$96,000 -20,000 $0 0 -$96,000 -20,000 SEC Filing
CTKB 2023-5-18 $0 -15,795 $0 6,889 $0 -22,684 SEC Filing
CTKB 2023-4-19 -$194,200 -20,000 $0 0 -$194,200 -20,000 SEC Filing
CTKB 2023-3-20 -$185,800 -20,000 $0 0 -$185,800 -20,000 SEC Filing
CTKB 2023-2-21 $0 -18,791 $0 1,981 $0 -20,772 SEC Filing
CTKB 2023-2-8 -$12,136 -897 $0 0 -$12,136 -897 SEC Filing
CTKB 2023-2-3 -$14,742 -1,092 $0 0 -$14,742 -1,092 SEC Filing
CTKB 2023-1-19 -$220,600 -20,000 $0 0 -$220,600 -20,000 SEC Filing
CTKB 2022-11-18 $0 -18,791 $0 1,981 $0 -20,772 SEC Filing
CTKB 2022-10-19 -$288,400 -20,000 $0 0 -$288,400 -20,000 SEC Filing
CTKB 2022-9-19 -$248,400 -20,000 $0 0 -$248,400 -20,000 SEC Filing
CTKB 2022-8-18 $0 -18,791 $0 1,981 $0 -20,772 SEC Filing
CTKB 2022-7-19 -$236,600 -20,000 $0 0 -$236,600 -20,000 SEC Filing
CTKB 2022-6-21 -$201,200 -20,000 $0 0 -$201,200 -20,000 SEC Filing
CTKB 2022-5-18 $0 -18,388 $0 2,642 $0 -21,030 SEC Filing
CTKB 2022-4-19 -$206,800 -20,000 $0 0 -$206,800 -20,000 SEC Filing
CTKB 2022-3-21 -$232,800 -20,000 $0 0 -$232,800 -20,000 SEC Filing
CTKB 2022-3-7 $25,325 73,011 $25,325 73,011 $0 0 SEC Filing
CTKB 2022-2-22 -$268,800 -20,000 $0 0 -$268,800 -20,000 SEC Filing
CTKB 2022-2-10 -$302,106 -20,000 $0 0 -$302,106 -20,000 SEC Filing
CTKB 2021-12-31 $0 -10,000 $0 0 $0 -10,000 SEC Filing

The data shown here is based on historical filings with the SEC, and may contain slight inaccuracies.

This data excludes derivative holdings and transactions.

Additional data regarding trading activity for Ming Yan before the earliest date displayed on this page may exist, but is not shown here.