Ma Ji - Net Worth and Insider Trading
Ma Ji Net Worth
The estimated net worth of Ma Ji is at least $7 Million dollars as of 2025-04-04. Ma Ji is the Director of Changchun High-Tech Industry (Group) Co Ltd and owns about 70,300 shares of Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661) stock worth over $7 Million. Details can be seen in Ma Ji's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Ma Ji has not made any transactions after 2023-11-27 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Ma Ji
Ma Ji Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Ma Ji owns 1 companies in total, including Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661) .
Click here to see the complete history of Ma Ji’s form 4 insider trades.
Insider Ownership Summary of Ma Ji
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
SZSE:000661 | Changchun High-Tech Industry (Group) Co Ltd | 2023-11-27 | Director |
Ma Ji Latest Holdings Summary
Ma Ji currently owns a total of 1 stock. Ma Ji owns 70,300 shares of Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661) as of November 27, 2023, with a value of $7 Million.
Latest Holdings of Ma Ji
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
SZSE:000661 | Changchun High-Tech Industry (Group) Co Ltd | 2023-11-27 | 70,300 | 101.92 | 7,164,976 |
Holding Weightings of Ma Ji
Ma Ji Form 4 Trading Tracker
According to the SEC Form 4 filings, Ma Ji has made a total of 6 transactions in Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661) over the past 5 years, including 6 buys and 0 sells. The most-recent trade in Changchun High-Tech Industry (Group) Co Ltd is the acquisition of 12,600 shares on November 27, 2023, which cost Ma Ji around $2 Million.
Insider Trading History of Ma Ji
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Ma Ji Trading Performance
GuruFocus tracks the stock performance after each of Ma Ji's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Ma Ji is -2.83%. GuruFocus also compares Ma Ji's trading performance to market benchmark return within the same time period. The performance of stocks bought by Ma Ji within 3 months outperforms 4 times out of 9 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Ma Ji's insider trading performs compared to the benchmark.
Ma Ji Ownership Network
Ownership Network List of Ma Ji
Ownership Network Relation of Ma Ji

Ma Ji Owned Company Details
What does Changchun High-Tech Industry (Group) Co Ltd do?
Who are the key executives at Changchun High-Tech Industry (Group) Co Ltd?
Ma Ji is the Director of Changchun High-Tech Industry (Group) Co Ltd. Other key executives at Changchun High-Tech Industry (Group) Co Ltd include Directors & executives Jiang Yun Tao , Directors & executives Wang Zhi Gang , and Executives Li Xiu Feng .
Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661) Insider Trades Summary
Over the past 18 months, Ma Ji made 1 insider transaction in Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661) with a net purchase of 12,600. Other recent insider transactions involving Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661) include a net purchase of 72,100 shares made by Jie Bing , a net purchase of 69,000 shares made by Wang Zhi Gang , and a net purchase of 69,000 shares made by Ye Peng .
In summary, during the past 3 months, insiders sold 0 shares of Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661) were sold and 483,299 shares were bought by its insiders, resulting in a net purchase of 483,299 shares.
Changchun High-Tech Industry (Group) Co Ltd (SZSE:000661)'s detailed insider trading history can be found in Insider Trading Tracker table.
Changchun High-Tech Industry (Group) Co Ltd Insider Transactions
Ma Ji Mailing Address
Above is the net worth, insider trading, and ownership report for Ma Ji. Currently GuruFocus does not have mailing address information for Ma Ji.