Siemiatkowski Sebastian (CIK 2097107) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-28). Recent activity: Buy KLAR (692,506 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-28 | Klarna Group plc (KLAR) | Chief Executive Officer | Buy | 692,506 | $9.9M |
Source: SEC Form 4 filings · as of 2026-08-28