Michael Koralewski sold $53k of FSLR
Chief Supply Chain Officer at FIRST SOLAR, INC.. 264 shares at an average of $200.80, traded Mar 16, 2026, filed Mar 17, 2026.
Score components
- +15RoleOfficer
- +7Trade size$53k at market
- 0Share of holdings soldSold 1.8% of holdings
- +15Cluster11 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -4.4%, 3m +31.9%, 6m +1.0%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001274494-26-000078, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 13, 2026 | MOption exercise Common Stock | +640 | $0.00 | $0 | 14,603 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock | -264 | $200.80 | $53k | 14,339 | Mar 17, 2026 |
| Mar 13, 2026 | MOption exercise Restricted Stock Unitsderivative | -640 | $0.00 | $0 | 640 | Mar 17, 2026 |
Related signals
Other insiders at FIRST SOLAR, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 11Weak | FIRST SOLAR, INC. | Markus Gloeckler Chief Technology Officer | $139k 800 shares | -14% | |
| 11Weak | FIRST SOLAR, INC. | Markus Gloeckler Chief Technology Officer | $160k 800 shares | -12% | |
| 20Weak | FIRST SOLAR, INC. | Samantha L. Sloan EVP, Corporate Affairs | $28k 127 shares | -6% | |
| 44Moderate | FIRST SOLAR, INC. | Jason E. Dymbort General Counsel and Secretary | $923k 3,700 shares | -40% | |
| 45Moderate | FIRST SOLAR, INC. | Michael Koralewski Chief Supply Chain Officer | $1.6M 7,000 shares | -48% | |
| 44Moderate | FIRST SOLAR, INC. | Markus Gloeckler Chief Technology Officer | $955k 4,254 shares | -39% | |
| 44Moderate | FIRST SOLAR, INC. | Patrick James Buehler Chief Product Officer | $906k 3,000 shares | -41% | |
| 45Moderate | FIRST SOLAR, INC. | Caroline Stockdale Chief People and Comm. Officer | $2.9M 10,628 shares | -31% | |
| 45Moderate | FIRST SOLAR, INC. | Mark R Widmar Chief Executive Officer | $1.9M 7,172 shares | -8% | |
| 45Moderate | FIRST SOLAR, INC. | Mark R Widmar Chief Executive Officer | $1.2M 4,815 shares | -5% |
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.