Bong Y Koh - Net Worth and Insider Trading

Bong Y Koh Net Worth

The estimated net worth of Bong Y Koh is at least $226 Million dollars as of 2024-11-13. Bong Y Koh is the Director of AveXis Inc and owns about 1,035,657 shares of AveXis Inc (AVXS) stock worth over $226 Million. Details can be seen in Bong Y Koh'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 Bong Y Koh has not made any transactions after 2016-02-17 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

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Transaction Summary of Bong Y Koh

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Bong Y Koh Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Bong Y Koh owns 11 companies in total, including Cogent Biosciences Inc (COGT) , Altimmune Inc (ALT) , and Constellation Pharmaceuticals Inc (CNST) among others .

Click here to see the complete history of Bong Y Koh’s form 4 insider trades.

Insider Ownership Summary of Bong Y Koh

Ticker Comapny Transaction Date Type of Owner
COGT Cogent Biosciences Inc 2020-08-13 10 percent owner
ALT Altimmune Inc 2021-02-25 10 percent owner
CNST Constellation Pharmaceuticals Inc 2019-12-13 10 percent owner
LIMIT LIMIT 2018-08-13 10 percent owner
LIMIT LIMIT 2018-09-10 10 percent owner
LIMIT LIMIT 2019-03-06 10 percent owner
LIMIT LIMIT 2018-05-15 director
LIMIT LIMIT 2015-06-16 10 percent owner
LIMIT LIMIT 2014-08-05 10 percent owner
LIMIT LIMIT 2022-06-01 10 percent owner
LIMIT LIMIT 2022-04-06 10 percent owner

Bong Y Koh Latest Holdings Summary

Bong Y Koh currently owns a total of 1 stock. Bong Y Koh owns 1,035,657 shares of AveXis Inc (AVXS) as of February 17, 2016, with a value of $226 Million.

Latest Holdings of Bong Y Koh

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
AVXS AveXis Inc 2016-02-17 1,035,657 217.83 225,597,164

Holding Weightings of Bong Y Koh


Bong Y Koh Form 4 Trading Tracker

According to the SEC Form 4 filings, Bong Y Koh has made a total of 0 transactions in AveXis Inc (AVXS) over the past 5 years. The most-recent trade in AveXis Inc is the acquisition of 100,000 shares on February 17, 2016, which cost Bong Y Koh around $2 Million.

Insider Trading History of Bong Y Koh

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

Bong Y Koh Trading Performance

GuruFocus tracks the stock performance after each of Bong Y Koh's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Bong Y Koh is 83.2%. GuruFocus also compares Bong Y Koh's trading performance to market benchmark return within the same time period. The performance of stocks bought by Bong Y Koh 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 Bong Y Koh's insider trading performs compared to the benchmark.

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Performance of Bong Y Koh

Average Return

LIMIT
Average return per transaction

Outperforming Transactions

LIMIT
1 out of 1 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) 23.52 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) 17.62 LIMIT LIMIT LIMIT LIMIT LIMIT

Bong Y Koh Ownership Network

Ownership Network List of Bong Y Koh

No Data

Ownership Network Relation of Bong Y Koh

Insider Network Chart

Bong Y Koh Owned Company Details

What does Cogent Biosciences Inc do?

Who are the key executives at Cogent Biosciences Inc?

Bong Y Koh is the 10 percent owner of Cogent Biosciences Inc. Other key executives at Cogent Biosciences Inc include 10 percent owner & other: See Remarks Fairmount Funds Management Llc , Chief Legal Officer Evan Kearns , and Chief Financial Officer John L. Green .

Cogent Biosciences Inc (COGT) Insider Trades Summary

Over the past 18 months, Bong Y Koh made no insider transaction in Cogent Biosciences Inc (COGT). Other recent insider transactions involving Cogent Biosciences Inc (COGT) include a net purchase of 800,000 shares made by Fairmount Funds Management Llc ,

In summary, during the past 3 months, insiders sold 0 shares of Cogent Biosciences Inc (COGT) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Cogent Biosciences Inc (COGT) were sold and 800,000 shares were bought by its insiders, resulting in a net purchase of 800,000 shares.

Cogent Biosciences Inc (COGT)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Cogent Biosciences Inc Insider Transactions

No Available Data

Bong Y Koh Mailing Address

Above is the net worth, insider trading, and ownership report for Bong Y Koh. You might contact Bong Y Koh via mailing address: 7 Bryant Park, 23rd Floor, New York Ny 10018.