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Julius Genachowski Insider Profile

11 Followers
Julius Genachowski, Director at Sonos, holds 147.81K shares in Sonos (Ticker: SONO), holds ― shares in Mattel (Ticker: MAT), holds 8.98K shares in Mastercard (Ticker: MA).
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Julius Genachowski

Julius Genachowski
Sonos (SONO)
Director

Ranked #53,518 out of 108,921 Corporate Insiders

Profitable Transactions

33%
1 out of 3 Profitable Transactions

Average Return

+0.30%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$7M
69.61%
30.39%
0.00%
A breakdown of Julius Genachowski's holdings
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Insider Roles

Mastercard
(MA)
Director
Sonos
(SONO)
Director
Mattel
(MAT)
Director
Roles that Julius Genachowski holds in companies
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Most Profitable Insider Trade

Stock:
Sonos
(SONO)
Rating:Informative Buy
Date:Aug 11, 2025 - Aug 11, 2026
Return:+33.30%
The most profitable trade made by Julius Genachowski
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Julius Genachowski's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
SONO
Sonos
Jul 30, 2026
Director
Uninformative Buy
538.47K
$2.27M
MAT
Mattel
―
Director
―
―
MA
Mastercard
Jun 18, 2026
Director
Uninformative Buy
―
$5.20M
~~S
Sprint
Apr 02, 2020
―
Uninformative Sell
―
$0.00
WEB
Web.com Group, Inc.
Aug 12, 2009
―
Informative Sell
53.89K
$0.00
List of latest transactions for each holding click on a transaction to see Julius Genachowski's performance on stock
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Julius Genachowski insider profile FAQ

What is the percentage of profitable transactions made by Julius Genachowski?
The percentage of profitable transactions made by Julius Genachowski is 33%.
    What is the average return per transaction made by Julius Genachowski?
    The average return per transaction made by Julius Genachowski is 0.30%.
      What stocks does Julius Genachowski hold?
      Julius Genachowski holds: SONO, MAT, MA, ~~S, WEB stocks.
        What was Julius Genachowski’s latest transaction?
        Julius Genachowski latest transaction was an Uninformative Buy of $538.47K.
          What was Julius Genachowski's most profitable transaction?
          Julius Genachowski’s most profitable transaction was an Informative Buy of SONO stock on August 11, 2025. The return on the trade was 33.30%.
            What is Julius Genachowski's role in Sonos?
            Julius Genachowski's role in Sonos is Director.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.