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John Scarlett Insider Profile
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John Scarlett, COB, Pres & CEO, Director at Geron, holds 137.50K shares in Geron (Ticker: GERN), holds 0.00 shares in Chiasma (Ticker: CHMA), holds ― shares in CytomX Therapeutics (Ticker: CTMX). Most recently, John Scarlett Bought ― shares of Geron on Mar 03, 2025 for an estimated value of 22.00K.
Profitable Transactions
2 out of 2 Profitable Transactions
Average Return
+46.90%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that John Scarlett holds in companies
Most Profitable Insider Trade
The most profitable trade made by John Scarlett
John Scarlett's Trading History
Geron
Mar 03, 2025
COB, Pres & CEO, Director
Informative Buy
22.00K
$237.88K
Chiasma
Aug 05, 2021
―
Uninformative Sell
―
$0.00
CytomX Therapeutics
―
Director
―
―
List of latest transactions for each holding click on a transaction to see John Scarlett's performance on stock
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John Scarlett insider profile FAQ
What is the percentage of profitable transactions made by John Scarlett?
The percentage of profitable transactions made by John Scarlett is 100%.
What is the average return per transaction made by John Scarlett?
The average return per transaction made by John Scarlett is 46.90%.
What stocks does John Scarlett hold?
John Scarlett holds: GERN, CHMA, CTMX stocks.
What was John Scarlett’s latest transaction?
John Scarlett latest transaction was an Informative Buy of $22.00K.
What was John Scarlett's most profitable transaction?
John Scarlett’s most profitable transaction was an Informative Buy of GERN stock on April 1, 2013. The return on the trade was 92.70%.
What is John Scarlett's role in Geron?
John Scarlett's role in Geron is COB, Pres & CEO, Director.
How can I follow the stock ratings of top corporate insiders?
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