Jeff Fagnan - Net Worth and Insider Trading
Jeff Fagnan Net Worth
The estimated net worth of Jeff Fagnan is at least $2 Million dollars as of 2025-04-27. Jeff Fagnan is the 10% Owner of Klaviyo Inc and owns about 53,664 shares of Klaviyo Inc (KVYO) stock worth over $2 Million. Details can be seen in Jeff Fagnan'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 Jeff Fagnan has not made any transactions after 2025-04-09 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Jeff Fagnan
Jeff Fagnan Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Jeff Fagnan owns 1 companies in total, including Klaviyo Inc (KVYO) .
Click here to see the complete history of Jeff Fagnan’s form 4 insider trades.
Insider Ownership Summary of Jeff Fagnan
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
KVYO | Klaviyo Inc | 2025-04-09 | 10 percent owner |
Jeff Fagnan Latest Holdings Summary
Jeff Fagnan currently owns a total of 1 stock. Jeff Fagnan owns 53,664 shares of Klaviyo Inc (KVYO) as of April 9, 2025, with a value of $2 Million.
Latest Holdings of Jeff Fagnan
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
KVYO | Klaviyo Inc | 2025-04-09 | 53,664 | 29.58 | 1,587,381 |
Holding Weightings of Jeff Fagnan
Jeff Fagnan Form 4 Trading Tracker
According to the SEC Form 4 filings, Jeff Fagnan has made a total of 4 transactions in Klaviyo Inc (KVYO) over the past 5 years, including 4 buys and 0 sells. The most-recent trade in Klaviyo Inc is the acquisition of 3,900 shares on April 9, 2025, which cost Jeff Fagnan around $100,503.
Insider Trading History of Jeff Fagnan
- 1
Jeff Fagnan Trading Performance
GuruFocus tracks the stock performance after each of Jeff Fagnan's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Jeff Fagnan is 48.37%. GuruFocus also compares Jeff Fagnan's trading performance to market benchmark return within the same time period. The performance of stocks bought by Jeff Fagnan within 3 months outperforms 3 times out of 3 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Jeff Fagnan's insider trading performs compared to the benchmark.
Jeff Fagnan Ownership Network
Ownership Network List of Jeff Fagnan
Ownership Network Relation of Jeff Fagnan

Jeff Fagnan Owned Company Details
What does Klaviyo Inc do?
Who are the key executives at Klaviyo Inc?
Jeff Fagnan is the 10 percent owner of Klaviyo Inc. Other key executives at Klaviyo Inc include President Stephen Eric Rowland , Chief Financial Officer Amanda Whalen , and 10 percent owner Summit Partners Growth Equity Fund Ix-a, L.p. .
Klaviyo Inc (KVYO) Insider Trades Summary
Over the past 18 months, Jeff Fagnan made 4 insider transaction in Klaviyo Inc (KVYO) with a net purchase of 36,385. Other recent insider transactions involving Klaviyo Inc (KVYO) include a net sale of 8,567,144 shares made by Summit Partners Growth Equity Fund Ix-a, L.p. , a net sale of 195,000 shares made by Amanda Whalen , and a net sale of 111,720 shares made by Stephen Eric Rowland .
In summary, during the past 3 months, insiders sold 2,106,523 shares of Klaviyo Inc (KVYO) in total and bought 3,900 shares, with a net sale of 2,102,623 shares. During the past 18 months, 9,364,138 shares of Klaviyo Inc (KVYO) were sold and 36,385 shares were bought by its insiders, resulting in a net sale of 9,327,753 shares.
Klaviyo Inc (KVYO)'s detailed insider trading history can be found in Insider Trading Tracker table.
Klaviyo Inc Insider Transactions
Jeff Fagnan Mailing Address
Above is the net worth, insider trading, and ownership report for Jeff Fagnan. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Jeff Fagnan's mailing address is: Boston Ma 02118.