Steven Kanner - Net Worth and Insider Trading
Steven Kanner Net Worth
The estimated net worth of Steven Kanner is at least $1 Million dollars as of 2025-07-23. Steven Kanner is the Chief Scientific Officer of Caribou Biosciences Inc and owns about 431,556 shares of Caribou Biosciences Inc (CRBU) stock worth over $1 Million. Details can be seen in Steven Kanner'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 Steven Kanner has not made any transactions after 2025-02-21 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Steven Kanner
Steven Kanner Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Steven Kanner owns 1 companies in total, including Caribou Biosciences Inc (CRBU) .
Click here to see the complete history of Steven Kanner’s form 4 insider trades.
Insider Ownership Summary of Steven Kanner
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
CRBU | Caribou Biosciences Inc | 2025-02-21 | See Remarks |
Steven Kanner Latest Holdings Summary
Steven Kanner currently owns a total of 1 stock. Steven Kanner owns 431,556 shares of Caribou Biosciences Inc (CRBU) as of February 21, 2025, with a value of $1 Million.
Latest Holdings of Steven Kanner
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
CRBU | Caribou Biosciences Inc | 2025-02-21 | 431,556 | 2.48 | 1,070,259 |
Holding Weightings of Steven Kanner
Steven Kanner Form 4 Trading Tracker
According to the SEC Form 4 filings, Steven Kanner has made a total of 3 transactions in Caribou Biosciences Inc (CRBU) over the past 5 years, including 1 buys and 2 sells. The most-recent trade in Caribou Biosciences Inc is the sale of 3,564 shares on February 21, 2025, which brought Steven Kanner around $4,811.
Insider Trading History of Steven Kanner
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Steven Kanner Trading Performance
GuruFocus tracks the stock performance after each of Steven Kanner's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Steven Kanner is -37.41%. GuruFocus also compares Steven Kanner's trading performance to market benchmark return within the same time period. The performance of stocks bought by Steven Kanner within 3 months outperforms 0 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 Steven Kanner's insider trading performs compared to the benchmark.
Performance of Steven Kanner
Steven Kanner Ownership Network
Ownership Network List of Steven Kanner
Ownership Network Relation of Steven Kanner

Steven Kanner Owned Company Details
What does Caribou Biosciences Inc do?
Who are the key executives at Caribou Biosciences Inc?
Steven Kanner is the See Remarks of Caribou Biosciences Inc. Other key executives at Caribou Biosciences Inc include director & See Remarks Rachel E. Haurwitz , Chief Business Officer Ruhi Ahmad Khan , and See Remarks Barbara G Mcclung .
Caribou Biosciences Inc (CRBU) Insider Trades Summary
Over the past 18 months, Steven Kanner made 1 insider transaction in Caribou Biosciences Inc (CRBU) with a net sale of 3,564. Other recent insider transactions involving Caribou Biosciences Inc (CRBU) include a net purchase of 20,000 shares made by Rachel E. Haurwitz , a net purchase of 17,360 shares made by Sriram Ryali , and a net sale of 3,564 shares made by Barbara G Mcclung .
In summary, during the past 3 months, insiders sold 0 shares of Caribou Biosciences Inc (CRBU) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 10,692 shares of Caribou Biosciences Inc (CRBU) were sold and 37,360 shares were bought by its insiders, resulting in a net purchase of 26,668 shares.
Caribou Biosciences Inc (CRBU)'s detailed insider trading history can be found in Insider Trading Tracker table.
Caribou Biosciences Inc Insider Transactions
Steven Kanner Mailing Address
Above is the net worth, insider trading, and ownership report for Steven Kanner. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Steven Kanner's mailing address is: Berkeley Ca 94710.