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Alfred Sandrock Insider Profile

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Alfred Sandrock, President & CEO, Director at Voyager Therapeutics, holds 472.55K shares in Voyager Therapeutics (Ticker: VYGR), holds 10.17K shares in Biogen (Ticker: BIIB), holds 0.00 shares in Neurocrine (Ticker: NBIX). Most recently, Alfred Sandrock Sold ― shares of Voyager Therapeutics on Apr 03, 2026 for an estimated value of $44.55K.
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Alfred Sandrock

Alfred Sandrock
Voyager Therapeutics (VYGR)
President & CEO, Director

Ranked #14,049 out of 109,030 Corporate Insiders

Profitable Transactions

78%
7 out of 9 Profitable Transactions

Average Return

+15.00%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$4M
59.43%
40.57%
0.00%
A breakdown of Alfred Sandrock's holdings
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Insider Roles

Biogen
(BIIB)
Head of Research & Development
Voyager Therapeutics
(VYGR)
President & CEO, Director
Neurocrine
(NBIX)
Director
Roles that Alfred Sandrock holds in companies
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Most Profitable Insider Trade

Stock:
Voyager Therapeutics
(VYGR)
Rating:Informative Sell
Date:Apr 03, 2024 - Apr 03, 2025
Return:+66.70%
The most profitable trade made by Alfred Sandrock
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Alfred Sandrock's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
VYGR
Voyager Therapeutics
Apr 03, 2026
President & CEO, Director
Informative Sell
44.55K
$1.51M
BIIB
Biogen
Jun 09, 2021
Head of Research & Development
Uninformative Sell
3.38M
$2.21M
NBIX
Neurocrine
―
Director
―
$0.00
List of latest transactions for each holding click on a transaction to see Alfred Sandrock's performance on stock
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Alfred Sandrock insider profile FAQ

What is the percentage of profitable transactions made by Alfred Sandrock?
The percentage of profitable transactions made by Alfred Sandrock is 78%.
    What is the average return per transaction made by Alfred Sandrock?
    The average return per transaction made by Alfred Sandrock is 15.00%.
      What stocks does Alfred Sandrock hold?
      Alfred Sandrock holds: VYGR, BIIB, NBIX stocks.
        What was Alfred Sandrock’s latest transaction?
        Alfred Sandrock latest transaction was an Informative Sell of $44.55K.
          What was Alfred Sandrock's most profitable transaction?
          Alfred Sandrock’s most profitable transaction was an Informative Sell of VYGR stock on April 3, 2024. The return on the trade was 66.70%.
            What is Alfred Sandrock's role in Voyager Therapeutics?
            Alfred Sandrock's role in Voyager Therapeutics is President & CEO, 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.