Sebastian Siemiatkowski
Chief Executive Officer at Klarna Group plc
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 7 months
- Director since
- 2026
7 months of board service in total across 1 board, counting each seat separately. Longest: Klarna Group plc, 7 months.
Chief executive roles
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 26, 2026 | Klarna Group plc | Open-market purchase | +692,506 | $14.37 | $9,951,311 |
Questions about Sebastian Siemiatkowski
What boards is Sebastian Siemiatkowski on?
Sebastian Siemiatkowski sits on the board of Klarna Group plc.
What company is Sebastian Siemiatkowski the CEO of?
Sebastian Siemiatkowski has been Chief Executive Officer of Klarna Group plc since March 2026.
How long has Sebastian Siemiatkowski served on boards?
Our records show at least 7 months of board service across 1 board, the earliest from 2026.
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