Gu Si Yu - Net Worth and Insider Trading
Gu Si Yu Net Worth
The estimated net worth of Gu Si Yu is at least $0 dollars as of 2025-04-15. Gu Si Yu is the Directors, executives of Jiangsu Lanfeng Bio-chemical Co Ltd and owns about 0 shares of Jiangsu Lanfeng Bio-chemical Co Ltd (SZSE:002513) stock worth over $0. Details can be seen in Gu Si Yu'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 Gu Si Yu has not made any transactions after 2016-02-22 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Gu Si Yu
Gu Si Yu Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Gu Si Yu owns 1 companies in total, including Jiangsu Lanfeng Bio-chemical Co Ltd (SZSE:002513) .
Click here to see the complete history of Gu Si Yu’s form 4 insider trades.
Insider Ownership Summary of Gu Si Yu
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
SZSE:002513 | Jiangsu Lanfeng Bio-chemical Co Ltd | 2016-02-22 | Directors & executives |
Gu Si Yu Latest Holdings Summary
Gu Si Yu currently owns a total of 1 stock. Gu Si Yu owns 0 shares of Jiangsu Lanfeng Bio-chemical Co Ltd (SZSE:002513) as of February 22, 2016, with a value of $0.
Latest Holdings of Gu Si Yu
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
SZSE:002513 | Jiangsu Lanfeng Bio-chemical Co Ltd | 2016-02-22 | 0 | 4.19 | 0 |
Holding Weightings of Gu Si Yu
Gu Si Yu Form 4 Trading Tracker
According to the SEC Form 4 filings, Gu Si Yu has made a total of 0 transactions in Jiangsu Lanfeng Bio-chemical Co Ltd (SZSE:002513) over the past 5 years. The most-recent trade in Jiangsu Lanfeng Bio-chemical Co Ltd is the acquisition of 100 shares on February 22, 2016, which cost Gu Si Yu around $1,572.
Insider Trading History of Gu Si Yu
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Gu Si Yu Trading Performance
GuruFocus tracks the stock performance after each of Gu Si Yu's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Gu Si Yu is -17.39%. GuruFocus also compares Gu Si Yu's trading performance to market benchmark return within the same time period. The performance of stocks bought by Gu Si Yu within 3 months outperforms 0 times out of 2 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Gu Si Yu's insider trading performs compared to the benchmark.
Gu Si Yu Ownership Network
Ownership Network List of Gu Si Yu
Ownership Network Relation of Gu Si Yu

Gu Si Yu Owned Company Details
What does Jiangsu Lanfeng Bio-chemical Co Ltd do?
Who are the key executives at Jiangsu Lanfeng Bio-chemical Co Ltd?
Gu Si Yu is the Directors & executives of Jiangsu Lanfeng Bio-chemical Co Ltd. Other key executives at Jiangsu Lanfeng Bio-chemical Co Ltd include Supervisors Shen Yong Sheng , Executives Zheng Gang , and Executives Zhang Xiao Min .
Jiangsu Lanfeng Bio-chemical Co Ltd (SZSE:002513) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Jiangsu Lanfeng Bio-chemical Co Ltd (SZSE:002513) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Jiangsu Lanfeng Bio-chemical Co Ltd (SZSE:002513) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Jiangsu Lanfeng Bio-chemical Co Ltd (SZSE:002513)'s detailed insider trading history can be found in Insider Trading Tracker table.
Jiangsu Lanfeng Bio-chemical Co Ltd Insider Transactions
Gu Si Yu Mailing Address
Above is the net worth, insider trading, and ownership report for Gu Si Yu. Currently GuruFocus does not have mailing address information for Gu Si Yu.