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Poetting Sierk Insider Profile

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Poetting Sierk, Chief Operating Officer at BioNTech SE, holds ― shares in BioNTech SE (Ticker: BNTX). Most recently, Poetting Sierk Sold 150,000 shares of BioNTech SE on Mar 12, 2026 for an estimated value of $12.58M.
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Poetting Sierk

Poetting Sierk
BioNTech SE (BNTX)
Chief Operating Officer

Ranked #51,281 out of 106,487 Corporate Insiders

Profitable Transactions

50%
1 out of 2 Profitable Transactions

Average Return

+3.50%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

Poetting Sierk does not currently own shares as a corporate insider.
A breakdown of Poetting Sierk's holdings
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Insider Roles

BioNTech SE
(BNTX)
Chief Operating Officer
Roles that Poetting Sierk holds in companies
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Most Profitable Insider Trade

Stock:
BioNTech SE
(BNTX)
Rating:Informative Sell
Date:Feb 21, 2025 - Feb 21, 2026
Return:+8.20%
The most profitable trade made by Poetting Sierk
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Poetting Sierk's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
BNTX
BioNTech SE
Mar 12, 2026
Chief Operating Officer
Informative Sell
12.58M
―
Success Rate for
BNTX
1 out of 2 profitable transactions on
BNTX
50%
Average Return for
BNTX
Average return per transaction on
BNTX
+3.50%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Feb 21, 2025
Informative Sell
$14.35M
120,000
$119.58
+8.20%
Mar 12, 2026
Informative Sell
$12.58M
150,000
$83.89
-1.20%
List of latest transactions for each holding click on a transaction to see Poetting Sierk's performance on stock
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Poetting Sierk insider profile FAQ

What is the percentage of profitable transactions made by Poetting Sierk?
The percentage of profitable transactions made by Poetting Sierk is 50%.
    What is the average return per transaction made by Poetting Sierk?
    The average return per transaction made by Poetting Sierk is 3.50%.
      What stocks does Poetting Sierk hold?
      Poetting Sierk holds: BNTX stocks.
        What was Poetting Sierk’s latest transaction?
        Poetting Sierk latest transaction was an Informative Sell of $12.58M.
          What was Poetting Sierk's most profitable transaction?
          Poetting Sierk’s most profitable transaction was an Informative Sell of BNTX stock on February 21, 2025. The return on the trade was 8.20%.
            What is Poetting Sierk's role in BioNTech SE?
            Poetting Sierk's role in BioNTech SE is Chief Operating Officer.
              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.