Insider · CIK 0002097107
Sebastian Siemiatkowski
Files at KLAR (Klarna Group plc). First filing Aug 28, 2026, latest Aug 28, 2026.
In brief
Sebastian Siemiatkowski files SEC Form 4 as CEO and director at KLAR (Klarna Group plc). Since Aug 28, 2026, Sebastian Siemiatkowski has reported 1 open-market buy worth $9.9M and 0 open-market sells worth $0, the latest filed on Aug 28, 2026.
A track record needs three past buys with six months of prices behind them; Sebastian Siemiatkowski has 0, so none is measured yet.
The newest scored trade: bought $9.9M of KLAR on Aug 26, 2026, filed Aug 28, 2026, scored 50 (moderate). In the last 12 months: 1 buy worth $9.9M and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
KLAR: Klarna Group plc
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | KLARbuy Klarna Group plc | $9.9M 692,506 shares | +3% | - |
Transactions
Every row this insider has filed, 3 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 26, 2026 | KLAR Klarna Group plc | POpen-market purchase Klarna Group plc Ordinary Sharesindirect: Flat Capital AB (publ) | +692,506 | $14.37 | $9.9M | 25,344,322 | Aug 28, 2026 |
| Jun 1, 2026 | KLAR Klarna Group plc | AGrant or award Klarna Group plc Optionsderivative | +1,166,563 | - | - | 23,242,172 | Jun 30, 2026 |
| Mar 30, 2026 | KLAR Klarna Group plc | AGrant or award Klarna Group plc Optionsderivative | +1,628,701 | - | - | 22,075,609 | Apr 15, 2026 |
Questions about Sebastian Siemiatkowski
Answered from the filings on this page, as of the latest one.
Is Sebastian Siemiatkowski buying or selling?
In the last 12 months Sebastian Siemiatkowski reported 1 open-market buy worth $9.9M and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $9.9M of KLAR on Aug 26, 2026. Grants, option exercises and tax withholding are not counted.
How did Sebastian Siemiatkowski's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Sebastian Siemiatkowski has 0.
Where does Sebastian Siemiatkowski file Form 4?
Sebastian Siemiatkowski has filed Form 4 at KLAR (Klarna Group plc) as Chief Executive Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.