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Julius Genachowski Insider Profile
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Julius Genachowski, Director at Mastercard, holds 130.31K shares in Sonos (Ticker: SONO), holds 10.26K shares in Mastercard (Ticker: MA), holds ― shares in Mattel (Ticker: MAT).
Profitable Transactions
1 out of 3 Profitable Transactions
Average Return
+1.80%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Julius Genachowski holds in companies
Most Profitable Insider Trade
The most profitable trade made by Julius Genachowski
Julius Genachowski's Trading History
Mastercard
Jul 08, 2025
Director
Uninformative Sell
178.05K
$5.80M
Sonos
Sep 04, 2025
Director
Uninformative Buy
―
$1.99M
Mattel
―
Director
―
―
Sprint
Apr 02, 2020
―
Uninformative Sell
―
$0.00
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 1.80%.
What stocks does Julius Genachowski hold?
Julius Genachowski holds: MA, SONO, MAT, ~~S, WEB stocks.
What was Julius Genachowski’s latest transaction?
Julius Genachowski latest transaction was an Uninformative Buy of ―.
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 37.70%.
What is Julius Genachowski's role in Mastercard?
Julius Genachowski's role in Mastercard is Director.
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