Ivan G Seidenberg - Net Worth and Insider Trading

Ivan G Seidenberg Net Worth

The estimated net worth of Ivan G Seidenberg is at least $6 Million dollars as of 2025-05-05. Ivan G Seidenberg is the Director of BlackRock Inc and owns about 6,233 shares of BlackRock Inc (BLK) stock worth over $6 Million. Ivan G Seidenberg is also the Director of BXP Inc and owns about 7,123 shares of BXP Inc (BXP) stock worth over $464,705. Details can be seen in Ivan G Seidenberg'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 Ivan G Seidenberg has not made any transactions after 2014-05-20 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 Ivan G Seidenberg

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Ivan G Seidenberg Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Ivan G Seidenberg owns 7 companies in total, including Madison Square Garden Sports Corp (MSGS) , BlackRock Inc (BLK) , and BXP Inc (BXP) among others .

Click here to see the complete history of Ivan G Seidenberg’s form 4 insider trades.

Insider Ownership Summary of Ivan G Seidenberg

Ticker Company Transaction Date Type of Owner
MSGS Madison Square Garden Sports Corp 2020-04-17 director
BLK BlackRock Inc 2012-12-31 director
BXP BXP Inc 2014-05-20 director
LIMIT LIMIT 2003-05-09 director & President and CEO
LIMIT LIMIT 2003-07-01 director
LIMIT LIMIT 2003-07-01 director
LIMIT LIMIT 2021-06-24 director

Ivan G Seidenberg Latest Holdings Summary

Ivan G Seidenberg currently owns a total of 2 stocks. Among these stocks, Ivan G Seidenberg owns 6,233 shares of BlackRock Inc (BLK) as of January 20, 2011, with a value of $6 Million and a weighting of 92.58%. Ivan G Seidenberg also owns 7,123 shares of BXP Inc (BXP) as of May 20, 2014, with a value of $464,705 and a weighting of 7.42%.

Latest Holdings of Ivan G Seidenberg

Ticker Company Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
BLK BlackRock Inc 2011-01-20 6,233 930.54 5,800,025
BXP BXP Inc 2014-05-20 7,123 65.24 464,705

Holding Weightings of Ivan G Seidenberg


Ivan G Seidenberg Form 4 Trading Tracker

According to the SEC Form 4 filings, Ivan G Seidenberg has made a total of 0 transactions in BlackRock Inc (BLK) over the past 5 years. The most-recent trade in BlackRock Inc is the sale of 0 shares on January 20, 2011, which brought Ivan G Seidenberg around $0.

According to the SEC Form 4 filings, Ivan G Seidenberg has made a total of 0 transactions in BXP Inc (BXP) over the past 5 years. The most-recent trade in BXP Inc is the sale of 0 shares on May 20, 2014, which brought Ivan G Seidenberg around $0.

Insider Trading History of Ivan G Seidenberg

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.

Ivan G Seidenberg Trading Performance

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

Ivan G Seidenberg Ownership Network

Ownership Network List of Ivan G Seidenberg

No Data

Ownership Network Relation of Ivan G Seidenberg

Insider Network Chart


Ivan G Seidenberg Owned Company Details

What does Madison Square Garden Sports Corp do?

Who are the key executives at Madison Square Garden Sports Corp?

Ivan G Seidenberg is the director of Madison Square Garden Sports Corp. Other key executives at Madison Square Garden Sports Corp include director & Executive Chairman & other: Member of 13(d) Group James Lawrence Dolan , other: Member of 13D Group Charles F. Dolan 2009 Revocable Trust , and SVP & Controller & PAO Alexander Shvartsman .

Madison Square Garden Sports Corp (MSGS) Insider Trades Summary

Over the past 18 months, Ivan G Seidenberg made no insider transaction in Madison Square Garden Sports Corp (MSGS). Other recent insider transactions involving Madison Square Garden Sports Corp (MSGS) include a net sale of 81,412 shares made by James Lawrence Dolan , a net sale of 36,922 shares made by Charles F. Dolan 2009 Revocable Trust , and a net sale of 937 shares made by David G. Hopkinson .

In summary, during the past 3 months, insiders sold 52,466 shares of Madison Square Garden Sports Corp (MSGS) in total and bought 0 shares, with a net sale of 52,466 shares. During the past 18 months, 119,991 shares of Madison Square Garden Sports Corp (MSGS) were sold and 0 shares were bought by its insiders, resulting in a net sale of 119,991 shares.

Madison Square Garden Sports Corp (MSGS)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Madison Square Garden Sports Corp Insider Transactions

No Available Data

Ivan G Seidenberg Mailing Address

Above is the net worth, insider trading, and ownership report for Ivan G Seidenberg. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Ivan G Seidenberg's mailing address is: New York Ny 10007.