Koralewski Michael — SEC Form 4 filings
SEC reporting owner CIK 1819693. 14 Form 4 filings on record with FilingPulse; latest filed 2026-08-05.
Transaction summary — filings shown
Covers all 14 filings on record, filed 2024-03-01 to 2026-08-05. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 13 legs across 9 filings — 17,623 shares, $3,850,815 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 43.
- Largest priced transaction: sale of 4,646 shares @ $272.92 ($1,267,986) in FIRST SOLAR, INC., filed 2024-05-31.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| FIRST SOLAR, INC. (FSLR) | Chief Supply Chain Officer | 14 | — | 13 legs · 17,623 sh · $3,850,815 | 43 |
Form 4 filings — Koralewski Michael
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-05 | 4 | FIRST SOLAR, INC. (FSLR) | Sale (S): 3,500 @ $218.02 · Sale (S): 3,500 @ $225 | EDGAR |
| 2026-05-05 | 4 | FIRST SOLAR, INC. (FSLR) | Option exercise (M): 518 @ $0 · Sale (S): 215 @ $215.63 · Option exercise (M): 518 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | FIRST SOLAR, INC. (FSLR) | Option exercise (M): 640 @ $0 · Sale (S): 264 @ $200.80 · Option exercise (M): 640 (derivative) @ $0 | EDGAR |
| 2026-03-10 | 4 | FIRST SOLAR, INC. (FSLR) | Option exercise (M): 651 @ $0 · Option exercise (M): 189 @ $0 · Option exercise (M): 442 @ $0 · Option exercise (M): 572 @ $0 · Sale (S): 265 @ $190.36 · Sale (S): 78 @ $190.36 · +7 more | EDGAR |
| 2026-03-03 | 4 | FIRST SOLAR, INC. (FSLR) | Grant/award (A): 2,826 @ $0 · Sale (S): 1,330 @ $195.93 | EDGAR |
| 2025-06-03 | 4 | FIRST SOLAR, INC. (FSLR) | Sale (S): 2,951 @ $158.21 | EDGAR |
| 2025-05-02 | 4 | FIRST SOLAR, INC. (FSLR) | Grant/award (A): 2,074 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | FIRST SOLAR, INC. (FSLR) | Option exercise (M): 640 @ $0 · Sale (S): 273 @ $133.75 · Option exercise (M): 640 (derivative) @ $0 | EDGAR |
| 2025-03-10 | 4 | FIRST SOLAR, INC. (FSLR) | Option exercise (M): 651 @ $0 · Tax withholding (F): 279 @ $131.13 · Option exercise (M): 189 @ $0 · Tax withholding (F): 81 @ $131.13 · Option exercise (M): 442 @ $0 · Sale (S): 188 @ $132.96 · +4 more | EDGAR |
| 2025-02-28 | 4 | FIRST SOLAR, INC. (FSLR) | Grant/award (A): 9,604 @ $0 · Tax withholding (F): 4,151 @ $156.84 | EDGAR |
| 2024-05-31 | 4 | FIRST SOLAR, INC. (FSLR) | Sale (S): 4,646 @ $272.92 | EDGAR |
| 2024-03-19 | 4 | FIRST SOLAR, INC. (FSLR) | Option exercise (M): 641 @ $0 · Tax withholding (F): 275 @ $147.42 · Option exercise (M): 641 (derivative) @ $0 | EDGAR |
| 2024-03-08 | 4 | FIRST SOLAR, INC. (FSLR) | Option exercise (M): 1,729 @ $0 · Tax withholding (F): 741 @ $158.42 · Option exercise (M): 651 @ $0 · Tax withholding (F): 279 @ $158.42 · Option exercise (M): 189 @ $0 · Tax withholding (F): 81 @ $158.42 · +4 more | EDGAR |
| 2024-03-01 | 4 | FIRST SOLAR, INC. (FSLR) | Grant/award (A): 9,169 @ $0 · Tax withholding (F): 3,963 @ $153.89 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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