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Stephen Webster Insider Profile

11 Followers
Stephen Webster, CFO at Spark Therapeutics, holds 25.50K shares in Nabriva (Ticker: NBRV), holds 0.00 shares in Spark Therapeutics (Ticker: ONCE), holds ― shares in NextCure (Ticker: NXTC).
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Stephen Webster

Stephen Webster
Spark Therapeutics (ONCE)
CFO

Ranked #61,464 out of 78,624 Corporate Insiders

Profitable Transactions

20%
1 out of 5 Profitable Transactions

Average Return

-18.50%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark

Insider Holdings

$64K
82.88%
17.12%
0.00%
0.00%
A breakdown of Stephen Webster's holdings

Insider Roles

Viking Therapeutics
(VKTX)
Director
Nabriva
(NBRV)
Director
NextCure
(NXTC)
Director
TCR2 Therapeutics
(TCRR)
Director
Roles that Stephen Webster holds in companies

Most Profitable Insider Trade

Stock:
Spark Therapeutics
(ONCE)
Rating:Informative Buy
Date:Feb 06, 2015 - Feb 06, 2016
Return:+9.90%
The most profitable trade made by Stephen Webster

Stephen Webster's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
ONCE
Spark Therapeutics
Dec 17, 2019
Uninformative Sell
698.68K
$0.00
Nabriva
Jul 31, 2020
Director
Uninformative Buy
$11.04K
NextCure
Director
TCR2 Therapeutics
Director
Viking Therapeutics
May 31, 2018
Director
Informative Buy
41.68K
$53.44K
OPTR
Optimer Pharma
List of latest transactions for each holding click on a transaction to see Stephen Webster's performance on stock

Stephen Webster insider profile FAQ

What is the percentage of profitable transactions made by Stephen Webster?
The percentage of profitable transactions made by Stephen Webster is 20%.
    What is the average return per transaction made by Stephen Webster?
    The average return per transaction made by Stephen Webster is -18.50%.
      What stocks does Stephen Webster hold?
      Stephen Webster holds: ONCE, NBRV, NXTC, TCRR, VKTX, OPTR stocks.
        What was Stephen Webster’s latest transaction?
        Stephen Webster latest transaction was an Uninformative Buy of ―.
          What was Stephen Webster's most profitable transaction?
          Stephen Webster’s most profitable transaction was an Informative Buy of ONCE stock on February 6, 2015. The return on the trade was 9.90%.
            What is Stephen Webster's role in Spark Therapeutics?
            Stephen Webster's role in Spark Therapeutics is CFO.
              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.