Zhang Zong Chao - Net Worth and Insider Trading
Zhang Zong Chao Net Worth
The estimated net worth of Zhang Zong Chao is at least $14 Million dollars as of 2025-07-14. Zhang Zong Chao is the Directors, senior managers, core technical personn of Beijing Worldia Diamond Tools Co Ltd and owns about 616,262 shares of Beijing Worldia Diamond Tools Co Ltd (SHSE:688028) stock worth over $14 Million. Details can be seen in Zhang Zong Chao'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 Zhang Zong Chao has not made any transactions after 2023-05-25 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Zhang Zong Chao
Zhang Zong Chao Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Zhang Zong Chao owns 1 companies in total, including Beijing Worldia Diamond Tools Co Ltd (SHSE:688028) .
Click here to see the complete history of Zhang Zong Chao’s form 4 insider trades.
Insider Ownership Summary of Zhang Zong Chao
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
SHSE:688028 | Beijing Worldia Diamond Tools Co Ltd | 2023-05-25 | Directors & senior managers & core technical personn |
Zhang Zong Chao Latest Holdings Summary
Zhang Zong Chao currently owns a total of 1 stock. Zhang Zong Chao owns 616,262 shares of Beijing Worldia Diamond Tools Co Ltd (SHSE:688028) as of May 25, 2023, with a value of $14 Million.
Latest Holdings of Zhang Zong Chao
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
SHSE:688028 | Beijing Worldia Diamond Tools Co Ltd | 2023-05-25 | 616,262 | 22.41 | 13,810,431 |
Holding Weightings of Zhang Zong Chao
Zhang Zong Chao Form 4 Trading Tracker
According to the SEC Form 4 filings, Zhang Zong Chao has made a total of 2 transactions in Beijing Worldia Diamond Tools Co Ltd (SHSE:688028) over the past 5 years, including 0 buys and 0 sells. The most-recent trade in Beijing Worldia Diamond Tools Co Ltd is the sale of 176,075 shares on May 25, 2023, which brought Zhang Zong Chao around $0.
Insider Trading History of Zhang Zong Chao
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Zhang Zong Chao Trading Performance
GuruFocus tracks the stock performance after each of Zhang Zong Chao's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Zhang Zong Chao is 23.05%. GuruFocus also compares Zhang Zong Chao's trading performance to market benchmark return within the same time period. The performance of stocks bought by Zhang Zong Chao within 3 months outperforms 1 times out of 1 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Zhang Zong Chao's insider trading performs compared to the benchmark.
Performance of Zhang Zong Chao
Zhang Zong Chao Ownership Network
Ownership Network List of Zhang Zong Chao
Ownership Network Relation of Zhang Zong Chao

Zhang Zong Chao Owned Company Details
What does Beijing Worldia Diamond Tools Co Ltd do?
Who are the key executives at Beijing Worldia Diamond Tools Co Ltd?
Zhang Zong Chao is the Directors & senior managers & core technical personn of Beijing Worldia Diamond Tools Co Ltd. Other key executives at Beijing Worldia Diamond Tools Co Ltd include Supervisors Sun Xue Yuan , Directors & senior managers & core technical personn chen ji feng , and senior management xu wei .
Beijing Worldia Diamond Tools Co Ltd (SHSE:688028) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Beijing Worldia Diamond Tools Co Ltd (SHSE:688028) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Beijing Worldia Diamond Tools Co Ltd (SHSE:688028) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Beijing Worldia Diamond Tools Co Ltd (SHSE:688028)'s detailed insider trading history can be found in Insider Trading Tracker table.
Beijing Worldia Diamond Tools Co Ltd Insider Transactions
Zhang Zong Chao Mailing Address
Above is the net worth, insider trading, and ownership report for Zhang Zong Chao. Currently GuruFocus does not have mailing address information for Zhang Zong Chao.