Sky Diamond Co., Ltd. - Net Worth and Insider Trading
Sky Diamond Co., Ltd. Net Worth
The estimated net worth of Sky Diamond Co., Ltd. is at least $569 Million dollars as of 2025-04-17. Sky Diamond Co., Ltd. is the 2101 Beneficial owner of Alphamab Oncology and owns about 85,750,000 shares of Alphamab Oncology (HKSE:09966) stock worth over $569 Million. Details can be seen in Sky Diamond Co., Ltd.'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 Sky Diamond Co., Ltd. has not made any transactions after 2019-12-12 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Sky Diamond Co., Ltd.
Sky Diamond Co., Ltd. Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Sky Diamond Co., Ltd. owns 1 companies in total, including Alphamab Oncology (HKSE:09966) .
Click here to see the complete history of Sky Diamond Co., Ltd.’s form 4 insider trades.
Insider Ownership Summary of Sky Diamond Co., Ltd.
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
HKSE:09966 | Alphamab Oncology | 2019-12-12 | 2101 Beneficial owner |
Sky Diamond Co., Ltd. Latest Holdings Summary
Sky Diamond Co., Ltd. currently owns a total of 1 stock. Sky Diamond Co., Ltd. owns 85,750,000 shares of Alphamab Oncology (HKSE:09966) as of December 12, 2019, with a value of $569 Million.
Latest Holdings of Sky Diamond Co., Ltd.
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
HKSE:09966 | Alphamab Oncology | 2019-12-12 | 85,750,000 | 6.63 | 568,522,500 |
Holding Weightings of Sky Diamond Co., Ltd.
Sky Diamond Co., Ltd. Form 4 Trading Tracker
According to the SEC Form 4 filings, Sky Diamond Co., Ltd. has made a total of 0 transactions in Alphamab Oncology (HKSE:09966) over the past 5 years. The most-recent trade in Alphamab Oncology is the sale of 0 shares on December 12, 2019, which brought Sky Diamond Co., Ltd. around $0.
Insider Trading History of Sky Diamond Co., Ltd.
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Sky Diamond Co., Ltd. Trading Performance
Sky Diamond Co., Ltd. Ownership Network
Ownership Network List of Sky Diamond Co., Ltd.
Ownership Network Relation of Sky Diamond Co., Ltd.

Sky Diamond Co., Ltd. Owned Company Details
What does Alphamab Oncology do?
Who are the key executives at Alphamab Oncology?
Sky Diamond Co., Ltd. is the 2101 Beneficial owner of Alphamab Oncology. Other key executives at Alphamab Oncology include 2301 Trustee South Dakota Trust Company Llc , 2305 Beneficiary of a trust Xu Ting , and 2307 Founder of a discretionary trust who can infl LIU YANG .
Alphamab Oncology (HKSE:09966) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Alphamab Oncology (HKSE:09966) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Alphamab Oncology (HKSE:09966) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Alphamab Oncology (HKSE:09966)'s detailed insider trading history can be found in Insider Trading Tracker table.
Alphamab Oncology Insider Transactions
Sky Diamond Co., Ltd. Mailing Address
Above is the net worth, insider trading, and ownership report for Sky Diamond Co., Ltd.. Currently GuruFocus does not have mailing address information for Sky Diamond Co., Ltd..