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Siemiatkowski Sebastian

In the past year, 1 open-market purchase filing worth $9.95M and no sales.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
$9.95M
1 filing
Sold
–
0 filings
Net
+$9.95M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Siemiatkowski Sebastian as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 28, 2026 (view filing)7:54 AM ETAug 262 daysSiemiatkowski SebastianChief Executive OfficerPPurchaseKlarna Group plc Ordinary Shares+692.5K$14.37+$9.95M+2.8%25.3M after