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Stephen Sherwin Insider Profile
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Stephen Sherwin, Director at Biogen, holds 13.69K shares in Biogen (Ticker: BIIB), holds 13.54K shares in Neurocrine (Ticker: NBIX), holds 0.00 shares in Neon Therapeutics (Ticker: NTGN).
Profitable Transactions
1 out of 2 Profitable Transactions
Average Return
-30.50%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Stephen Sherwin holds in companies
Most Profitable Insider Trade
The most profitable trade made by Stephen Sherwin
Stephen Sherwin's Trading History
Biogen
Jun 18, 2025
Director
Uninformative Buy
―
$1.71M
Neon Therapeutics
May 06, 2020
―
Uninformative Sell
―
$0.00
Chinook Therapeutics
Jun 26, 2015
―
Uninformative Buy
―
$1.47M
Neurocrine
May 22, 2025
Director
Uninformative Buy
345.89K
$1.79M
Verastem
Dec 29, 2014
Director
Informative Buy
21.38K
$12.90K
Fresh Tracks Therapeutics
May 26, 2015
―
Uninformative Buy
75.00
$20.57K
Rigel
―
Director
―
$0.00
ANI Pharmaceuticals
Oct 14, 2009
Director
Uninformative Buy
―
$11.50M
List of latest transactions for each holding click on a transaction to see Stephen Sherwin's performance on stock
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Stephen Sherwin insider profile FAQ
What is the percentage of profitable transactions made by Stephen Sherwin?
The percentage of profitable transactions made by Stephen Sherwin is 50%.
What is the average return per transaction made by Stephen Sherwin?
The average return per transaction made by Stephen Sherwin is -30.50%.
What stocks does Stephen Sherwin hold?
Stephen Sherwin holds: BIIB, NTGN, KDNY, NBIX, VSTM, FRTX, RIGL, ANIP stocks.
What was Stephen Sherwin’s latest transaction?
Stephen Sherwin latest transaction was an Uninformative Buy of ―.
What was Stephen Sherwin's most profitable transaction?
Stephen Sherwin’s most profitable transaction was an Informative Sell of BIIB stock on March 10, 2025. The return on the trade was 17.00%.
What is Stephen Sherwin's role in Biogen?
Stephen Sherwin's role in Biogen is Director.
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