TUNG Ching Sai - Net Worth and Insider Trading
TUNG Ching Sai Net Worth
The estimated net worth of TUNG Ching Sai is at least $12.5 Billion dollars as of 2025-05-03. TUNG Ching Sai is the 2401 A concert party to an agreement to buy shares of Xinyi Solar Holdings Ltd and owns about 2,432,430,015 shares of Xinyi Solar Holdings Ltd (HKSE:00968) stock worth over $6.4 Billion. TUNG Ching Sai is the 2202 Interest of your spouse of Xinyi Glass Holdings Ltd and owns about 588,622,544 shares of Xinyi Glass Holdings Ltd (HKSE:00868) stock worth over $4.3 Billion. TUNG Ching Sai is also the 2401 A concert party to an agreement to buy shares of Xinyi Energy Holdings Ltd and owns about 1,551,613,124 shares of Xinyi Energy Holdings Ltd (HKSE:03868) stock worth over $1.4 Billion. Besides these, TUNG Ching Sai also holds Xinyi Electric Storage Holdings Ltd (HKSE:08328) , China Glass Holdings Ltd (HKSE:03300) , Solargiga Energy Holdings Ltd (HKSE:00757) . Details can be seen in TUNG Ching Sai'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 TUNG Ching Sai has not made any transactions after 2025-04-09 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of TUNG Ching Sai
TUNG Ching Sai Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, TUNG Ching Sai owns 6 companies in total, including Solargiga Energy Holdings Ltd (HKSE:00757) , Xinyi Glass Holdings Ltd (HKSE:00868) , and Xinyi Solar Holdings Ltd (HKSE:00968) among others .
Click here to see the complete history of TUNG Ching Sai’s form 4 insider trades.
Insider Ownership Summary of TUNG Ching Sai
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
HKSE:00757 | Solargiga Energy Holdings Ltd | 2024-10-28 | 2202 Interest of your spouse |
HKSE:00868 | Xinyi Glass Holdings Ltd | 2025-04-09 | 2202 Interest of your spouse |
HKSE:00968 | Xinyi Solar Holdings Ltd | 2025-04-10 | 2202 Interest of your spouse |
![]() | ![]() | 2024-03-19 | 2202 Interest of your spouse |
![]() | ![]() | 2023-12-22 | 2201 Interest of corporation controlled by you |
![]() | ![]() | 2024-10-21 | 2401 A concert party to an agreement to buy shares |
TUNG Ching Sai Latest Holdings Summary
TUNG Ching Sai currently owns a total of 6 stocks. Among these stocks, TUNG Ching Sai owns 2,432,430,015 shares of Xinyi Solar Holdings Ltd (HKSE:00968) as of April 9, 2025, with a value of $6.4 Billion and a weighting of 51.03%. TUNG Ching Sai owns 588,622,544 shares of Xinyi Glass Holdings Ltd (HKSE:00868) as of April 8, 2025, with a value of $4.3 Billion and a weighting of 34.7%. TUNG Ching Sai also owns 1,551,613,124 shares of Xinyi Energy Holdings Ltd (HKSE:03868) as of October 16, 2024, with a value of $1.4 Billion and a weighting of 11.39%. The other 3 stocks Xinyi Electric Storage Holdings Ltd (HKSE:08328) , China Glass Holdings Ltd (HKSE:03300) , Solargiga Energy Holdings Ltd (HKSE:00757) have a combined weighting of 2.88% among all his current holdings.
Latest Holdings of TUNG Ching Sai
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
HKSE:00968 | Xinyi Solar Holdings Ltd | 2025-04-09 | 2,432,430,015 | 2.63 | 6,397,290,939 |
HKSE:00868 | Xinyi Glass Holdings Ltd | 2025-04-08 | 588,622,544 | 7.39 | 4,349,920,600 |
HKSE:03868 | Xinyi Energy Holdings Ltd | 2024-10-16 | 1,551,613,124 | 0.92 | 1,427,484,074 |
HKSE:08328 | Xinyi Electric Storage Holdings Ltd | 2024-06-28 | 579,609,928 | 0.54 | 312,989,361 |
HKSE:03300 | China Glass Holdings Ltd | 2024-03-19 | 146,710,000 | 0.24 | 35,357,110 |
HKSE:00757 | Solargiga Energy Holdings Ltd | 2024-10-25 | 182,937,000 | 0.07 | 12,256,779 |
Holding Weightings of TUNG Ching Sai
TUNG Ching Sai Form 4 Trading Tracker
According to the SEC Form 4 filings, TUNG Ching Sai has made a total of 15 transactions in Xinyi Solar Holdings Ltd (HKSE:00968) over the past 5 years, including 7 buys and 0 sells. The most-recent trade in Xinyi Solar Holdings Ltd is the sale of 9,000,000 shares on April 9, 2025, which brought TUNG Ching Sai around $0.
According to the SEC Form 4 filings, TUNG Ching Sai has made a total of 28 transactions in Xinyi Glass Holdings Ltd (HKSE:00868) over the past 5 years, including 25 buys and 0 sells. The most-recent trade in Xinyi Glass Holdings Ltd is the acquisition of 4,467,000 shares on April 8, 2025, which cost TUNG Ching Sai around $30 Million.
According to the SEC Form 4 filings, TUNG Ching Sai has made a total of 6 transactions in Xinyi Energy Holdings Ltd (HKSE:03868) over the past 5 years, including 0 buys and 0 sells. The most-recent trade in Xinyi Energy Holdings Ltd is the sale of 32,915,396 shares on October 16, 2024, which brought TUNG Ching Sai around $0.
More details on TUNG Ching Sai's insider transactions can be found in the Insider Trading History of TUNG Ching Sai table.Insider Trading History of TUNG Ching Sai
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TUNG Ching Sai Trading Performance
GuruFocus tracks the stock performance after each of TUNG Ching Sai's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by TUNG Ching Sai is -17.47%. GuruFocus also compares TUNG Ching Sai's trading performance to market benchmark return within the same time period. The performance of stocks bought by TUNG Ching Sai within 3 months outperforms 4 times out of 61 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how TUNG Ching Sai's insider trading performs compared to the benchmark.
Performance of TUNG Ching Sai
TUNG Ching Sai Ownership Network
Ownership Network List of TUNG Ching Sai
Ownership Network Relation of TUNG Ching Sai

TUNG Ching Sai Owned Company Details
What does Solargiga Energy Holdings Ltd do?
Who are the key executives at Solargiga Energy Holdings Ltd?
TUNG Ching Sai is the 2202 Interest of your spouse of Solargiga Energy Holdings Ltd. Other key executives at Solargiga Energy Holdings Ltd include 2101 Beneficial owner Sze Tan Hung , 2101 Beneficial owner HIRAMATSU INTERNATIONAL CORP. , and Tan Wenhua .
Solargiga Energy Holdings Ltd (HKSE:00757) Insider Trades Summary
Over the past 18 months, TUNG Ching Sai made 3 insider transaction in Solargiga Energy Holdings Ltd (HKSE:00757) with a net sale of 26,382,000. Other recent insider transactions involving Solargiga Energy Holdings Ltd (HKSE:00757) include a net sale of 25,691,000 shares made by Sze Tan Hung , a net sale of 12,426,000 shares made by HIRAMATSU INTERNATIONAL CORP. ,
In summary, during the past 3 months, insiders sold 0 shares of Solargiga Energy Holdings Ltd (HKSE:00757) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 64,499,000 shares of Solargiga Energy Holdings Ltd (HKSE:00757) were sold and 0 shares were bought by its insiders, resulting in a net sale of 64,499,000 shares.
Solargiga Energy Holdings Ltd (HKSE:00757)'s detailed insider trading history can be found in Insider Trading Tracker table.
Solargiga Energy Holdings Ltd Insider Transactions
TUNG Ching Sai Mailing Address
Above is the net worth, insider trading, and ownership report for TUNG Ching Sai. Currently GuruFocus does not have mailing address information for TUNG Ching Sai.