Koralewski Michael

Officer · FSLR

As of 2026-09-16, Koralewski Michael has 40 Form 4 transactions on record across 1 company — 23 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $1.5MIndirect: $0$1.5Mas of 2026-09-16
  • Direct $1.5M
  • Indirect $0
FSLRdirect7,642 sh$1.5M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

FSLR · 40 trades
2026-08-03: Sale, 3,500 sh ($788K)2026-08-03: Sale, 3,500 sh ($763K)2026-05-05: Sale, 215 sh ($46K)2026-05-04: Option exercise, 518 sh ($0)2026-05-04: Option exercise, 518 sh ($0)2026-03-16: Sale, 264 sh ($53K)2026-03-13: Option exercise, 640 sh ($0)2026-03-13: Option exercise, 640 sh ($0)2026-03-09: Sale, 265 sh ($50K)2026-03-09: Sale, 233 sh ($44K)2026-03-09: Sale, 180 sh ($34K)2026-03-09: Sale, 78 sh ($15K)2026-03-06: Option exercise, 189 sh ($0)2026-03-06: Option exercise, 651 sh ($0)2026-03-06: Option exercise, 442 sh ($0)2026-03-06: Option exercise, 572 sh ($0)2026-03-06: Option exercise, 651 sh ($0)2026-03-06: Option exercise, 189 sh ($0)2026-03-06: Option exercise, 442 sh ($0)2026-03-06: Option exercise, 572 sh ($0)2026-03-06: Award / grant, 1,903 sh ($0)2026-03-03: Sale, 1,330 sh ($261K)2026-02-27: Award / grant, 2,826 sh ($0)2025-06-02: Sale, 2,951 sh ($467K)2025-05-01: Award / grant, 2,074 sh ($0)2025-03-17: Sale, 273 sh ($37K)2025-03-14: Option exercise, 640 sh ($0)2025-03-14: Option exercise, 640 sh ($0)2025-03-07: Sale, 188 sh ($25K)2025-03-06: Withheld for tax, 279 sh ($37K)2025-03-06: Withheld for tax, 81 sh ($11K)2025-03-06: Option exercise, 189 sh ($0)2025-03-06: Option exercise, 651 sh ($0)2025-03-06: Option exercise, 442 sh ($0)2025-03-06: Option exercise, 189 sh ($0)2025-03-06: Option exercise, 651 sh ($0)2025-03-06: Award / grant, 2,288 sh ($0)2025-03-06: Option exercise, 442 sh ($0)2025-02-26: Withheld for tax, 4,151 sh ($651K)2025-02-26: Award / grant, 9,604 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-03FSLRSale3,500 @ $225.00$788K−31.4% of holding7,642Form 4
2026-08-03FSLRSale3,500 @ $218.02$763K−23.9% of holding11,142Form 4
2026-05-05FSLRSale215 @ $215.63$46K−1.4% of holding14,642Form 4
2026-03-16FSLRSale264 @ $200.80$53K−1.8% of holding14,339Form 4
2026-03-09FSLRSale265 @ $190.36$50K−1.8% of holding14,454Form 4
2026-03-09FSLRSale233 @ $190.36$44K−1.6% of holding13,963Form 4
2026-03-09FSLRSale180 @ $190.36$34K−1.3% of holding14,196Form 4
2026-03-09FSLRSale78 @ $190.36$15K−0.5% of holding14,376Form 4
2026-03-03FSLRSale1,330 @ $195.93$261K−9.4% of holding12,865Form 4
2025-06-02FSLRSale2,951 @ $158.21$467K−20.6% of holding11,369Form 4
2025-03-17FSLRSale273 @ $133.75$37K−1.9% of holding14,320Form 4
2025-03-07FSLRSale188 @ $132.96$25K−1.3% of holding13,953Form 4
28 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-04FSLROption exercise5181,556Form 4
2026-05-04FSLROption exercise51814,857Form 4
2026-03-13FSLROption exercise640640Form 4
2026-03-13FSLROption exercise64014,603Form 4
2026-03-06FSLROption exercise18913,705Form 4
2026-03-06FSLROption exercise65113,516Form 4
2026-03-06FSLROption exercise44214,147Form 4
2026-03-06FSLROption exercise57214,719Form 4
2026-03-06FSLROption exercise6510Form 4
2026-03-06FSLROption exercise189376Form 4
2026-03-06FSLROption exercise442884Form 4
2026-03-06FSLROption exercise5721,716Form 4
2026-03-06FSLRAward / grant1,9031,903Form 4
2026-02-27FSLRAward / grant2,82614,195Form 4
2025-05-01FSLRAward / grant2,0742,074Form 4
2025-03-14FSLROption exercise64014,593Form 4
2025-03-14FSLROption exercise6401,280Form 4
2025-03-06FSLRWithheld for tax27913,591Form 4
2025-03-06FSLRWithheld for tax8113,699Form 4
2025-03-06FSLROption exercise189565Form 4
2025-03-06FSLROption exercise651651Form 4
2025-03-06FSLROption exercise44214,141Form 4
2025-03-06FSLROption exercise18913,780Form 4
2025-03-06FSLROption exercise65113,870Form 4
2025-03-06FSLRAward / grant2,2882,288Form 4
2025-03-06FSLROption exercise4421,326Form 4
2025-02-26FSLRWithheld for tax4,15113,219Form 4
2025-02-26FSLRAward / grant9,60417,370Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.