David R Tunnell - Net Worth and Insider Trading
David R Tunnell Net Worth
The estimated net worth of David R Tunnell is at least $1.8 Billion dollars as of 2025-05-03. David R Tunnell is the Director of Blackbaud Inc and owns about 29,035,744 shares of Blackbaud Inc (BLKB) stock worth over $1.8 Billion. Details can be seen in David R Tunnell'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 David R Tunnell has not made any transactions after 2004-07-20 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of David R Tunnell
David R Tunnell Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, David R Tunnell owns 3 companies in total, including Arch Capital Group Ltd (ACGL) , Blackbaud Inc (BLKB) , and Splunk Inc (SPLK) .
Click here to see the complete history of David R Tunnell’s form 4 insider trades.
Insider Ownership Summary of David R Tunnell
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
ACGL | Arch Capital Group Ltd | 2005-04-28 | director |
BLKB | Blackbaud Inc | 2004-07-20 | director |
SPLK | Splunk Inc | 2022-10-11 | director |
David R Tunnell Latest Holdings Summary
David R Tunnell currently owns a total of 1 stock. David R Tunnell owns 29,035,744 shares of Blackbaud Inc (BLKB) as of July 20, 2004, with a value of $1.8 Billion.
Latest Holdings of David R Tunnell
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
BLKB | Blackbaud Inc | 2004-07-20 | 29,035,744 | 61.40 | 1,782,794,682 |
Holding Weightings of David R Tunnell
David R Tunnell Form 4 Trading Tracker
According to the SEC Form 4 filings, David R Tunnell has made a total of 0 transactions in Blackbaud Inc (BLKB) over the past 5 years. The most-recent trade in Blackbaud Inc is the sale of 0 shares on July 20, 2004, which brought David R Tunnell around $0.
Insider Trading History of David R Tunnell
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David R Tunnell Trading Performance
David R Tunnell Ownership Network
Ownership Network List of David R Tunnell
Ownership Network Relation of David R Tunnell

David R Tunnell Owned Company Details
What does Arch Capital Group Ltd do?
Who are the key executives at Arch Capital Group Ltd?
David R Tunnell is the director of Arch Capital Group Ltd. Other key executives at Arch Capital Group Ltd include President & Gen Counsel & Secr. Louis T Petrillo , EVP and CFO Francois Morin , and CEO & Global Mortgage Group David Gansberg .
Arch Capital Group Ltd (ACGL) Insider Trades Summary
Over the past 18 months, David R Tunnell made no insider transaction in Arch Capital Group Ltd (ACGL). Other recent insider transactions involving Arch Capital Group Ltd (ACGL) include a net sale of 120,000 shares made by Nicolas Papadopoulo , a net sale of 37,149 shares made by Francois Morin , and a net sale of 350,000 shares made by Marc Grandisson .
In summary, during the past 3 months, insiders sold 21,000 shares of Arch Capital Group Ltd (ACGL) in total and bought 0 shares, with a net sale of 21,000 shares. During the past 18 months, 588,149 shares of Arch Capital Group Ltd (ACGL) were sold and 0 shares were bought by its insiders, resulting in a net sale of 588,149 shares.
Arch Capital Group Ltd (ACGL)'s detailed insider trading history can be found in Insider Trading Tracker table.
Arch Capital Group Ltd Insider Transactions
David R Tunnell Mailing Address
Above is the net worth, insider trading, and ownership report for David R Tunnell. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, David R Tunnell's mailing address is: San Francisco Ca 94105.