Poetting Sierk
Chief Operating Officer
Poetting Sierk has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company, with disclosures dating back to 2026. 1 of those filings fall inside the rolling window. Most recent filing: Apr 23, 2026.
On the most recent filing, Poetting Sierk is listed as Chief Operating Officer at BioNTech SE. Inside the rolling window, Poetting Sierk reported no open-market purchases and 1 open-market sale totaling $5.5M in BNTX.
Companies traded
Other insiders at BNTX
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$5.5M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Poetting Sierk made?
Poetting Sierk has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company since 2026.
Which companies does Poetting Sierk trade?
Poetting Sierk has filed SEC Form 4 disclosures for 1 company, including BNTX.
When was Poetting Sierk's most recent SEC Form 4 filing?
Poetting Sierk's most recent SEC Form 4 filing on Tracefour is dated Apr 23, 2026.
What is Poetting Sierk's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Poetting Sierk is listed as Chief Operating Officer.
What is Poetting Sierk's total buy and sell value in the current window?
Inside the rolling retention window, Poetting Sierk bought $0 and sold $5.5M based on SEC Form 4 filings.
What was Poetting Sierk's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 50,000 BNTX shares on 2026-04-22, worth $5.5M, per SEC Form 4 filings.