Sebastian Siemiatkowski
CIK 2097107 · View on SEC EDGAR ↗
Insider
First SEC filing: March 18, 2026 · Latest: March 18, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 1 non-open-market transaction below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 1, 2026 | KLAR | A | 1,166,563 | — | — | 23,242,172 Direct | +5.28% | Acquired | (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 1, 2026 | KLAR | Klarna Group plc Options | Klarna Group plc Class C Shares (1,166,563) | — | Dec. 1, 2030 | 1,166,563 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 18, 2026 | KLAR | Klarna Group plc Ordinary Shares | 24,651,816 | Indirect |
| March 18, 2026 | KLAR | Klarna Group plc Options→ Klarna Group plc Ordinary Shares | — | Direct |
| March 18, 2026 | KLAR | Klarna Group plc Options→ Klarna Group plc ordinary shares | — | Direct |
| March 18, 2026 | KLAR | Klarna Group plc Options→ Klarna Group plc ordinary shares | — | Direct |
| March 18, 2026 | KLAR | Klarna Group plc Options→ Klarna Group plc Class C Shares [F5] (2,941,236) | 2,941,236 | Direct |
| March 18, 2026 | KLAR | Klarna Group plc Options→ Klarna Group plc Class C Shares [F5] (2,941,236) | 2,941,236 | Direct |
| March 18, 2026 | KLAR | Klarna Group plc Options→ Klarna Group plc Class C Shares [F5,F7] (4,519,020) | 4,519,020 | Direct |
| March 18, 2026 | KLAR | Klarna Group plc Options→ Klarna Group plc Class C Shares [F5,F7] (10,045,416) | 10,045,416 | Direct |