FSLR insider transaction filings

FIRST SOLAR, INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-03. Screen FSLR transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 16 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
Koralewski Michael — Chief Supply Chain Officer12 legs · 7,000 sh · $1,550,570
Gloeckler Markus — Chief Technology Officer24 legs · 5,054 sh · $1,115,494
Dymbort Jason E. — General Counsel and Secretary11 leg · 3,700 sh · $922,706
Sloan Samantha L. — EVP, Corporate Affairs21 leg · 127 sh · $28,3155
Ahearn Michael J — Director22
George Anita M. — Director12
KRO LISA A — Director11
MORGAN CURTIS A — Director11
POST WILLIAM J — Director11
RENDUCHINTALA VENKATA S M — Director11

+3 more insiders in the window, not shown — every filing appears in the table below.

Recent Form 4 filings — FIRST SOLAR, INC.

FiledFormInsiderReported transactionsSource
2026-09-034Sloan Samantha L. — EVP, Corporate AffairsOption exercise (M): 469 @ $0 · Tax withholding (F): 134 @ $199.65 · Option exercise (M): 469 (derivative) @ $0EDGAR
2026-09-024Gloeckler Markus — Chief Technology OfficerSale (S): 800 @ $200EDGAR
2026-08-184Sloan Samantha L. — EVP, Corporate AffairsOption exercise (M): 437 @ $0 · Sale (S): 127 @ $222.95 · Option exercise (M): 437 (derivative) @ $0EDGAR
2026-08-124Dymbort Jason E. — General Counsel and SecretarySale (S): 3,700 @ $249.38EDGAR
2026-08-054Gloeckler Markus — Chief Technology OfficerSale (S): 800 @ $222 · Sale (S): 2,625 @ $218.02 · Sale (S): 829 @ $248EDGAR
2026-08-054Koralewski Michael — Chief Supply Chain OfficerSale (S): 3,500 @ $218.02 · Sale (S): 3,500 @ $225EDGAR
2026-08-054Ahearn Michael J — DirectorGift (G): 44,584EDGAR
2026-07-014Ahearn Michael J — DirectorGrant/award (A): 313 @ $0EDGAR
2026-07-014George Anita M. — DirectorGrant/award (A): 223 @ $0 · Tax withholding (F): 67 @ $235.96EDGAR
2026-07-014KRO LISA A — DirectorGrant/award (A): 223 @ $0EDGAR
2026-07-014Sweeney Michael T — DirectorGrant/award (A): 223 @ $0EDGAR
2026-07-014RENDUCHINTALA VENKATA S M — DirectorGrant/award (A): 223 @ $0EDGAR
2026-07-014Wright Norman L. — DirectorGrant/award (A): 223 @ $0EDGAR
2026-07-014MORGAN CURTIS A — DirectorGrant/award (A): 223 @ $0EDGAR
2026-07-014STEBBINS PAUL H — DirectorGrant/award (A): 223 @ $0EDGAR
2026-07-014POST WILLIAM J — DirectorGrant/award (A): 223 @ $0EDGAR
2026-06-034Buehler Patrick James — Chief Product OfficerSale (S): 3,000 @ $302EDGAR
2026-06-014Stockdale Caroline — Chief People and Comm. OfficerSale (S): 10,628 @ $275.60EDGAR
2026-05-274Widmar Mark R — Chief Executive Officer, DirectorSale (S): 239 @ $250.02 · Sale (S): 172 @ $251.53 · Sale (S): 97 @ $252.87 · Sale (S): 218 @ $253.63 · Sale (S): 916 @ $254.93 · Sale (S): 64 @ $255.59 · +11 moreEDGAR
2026-05-224Verma Kuntal Kumar — Chief Manufacturing OfficerSale (S): 582 @ $250EDGAR
2026-05-224Widmar Mark R — Chief Executive Officer, DirectorSale (S): 672 @ $240.10 · Sale (S): 362 @ $241.40 · Sale (S): 136 @ $244.62 · Sale (S): 229 @ $246.23 · Sale (S): 98 @ $247.53 · Sale (S): 179 @ $248.80 · +7 moreEDGAR
2026-05-134Widmar Mark R — Chief Executive Officer, DirectorSale (S): 1,500 @ $230.18 · Sale (S): 1,026 @ $231.53 · Sale (S): 2,262 @ $232.55 · Sale (S): 1,877 @ $233.56 · Sale (S): 1,498 @ $234.84 · Sale (S): 1,363 @ $235.69 · +2 moreEDGAR
2026-05-134Verma Kuntal Kumar — Chief Manufacturing OfficerSale (S): 1,864 @ $225 · Sale (S): 352 @ $230 · Sale (S): 1,455 @ $240EDGAR
2026-05-084Verma Kuntal Kumar — Chief Manufacturing OfficerSale (S): 270 @ $218.16EDGAR
2026-05-084Theurer Nathan B. — VP - Global Controller and CAOSale (S): 31 @ $218.16EDGAR
2026-05-084Dymbort Jason E. — General Counsel and SecretarySale (S): 228 @ $218.16EDGAR
2026-05-054Bradley Alexander R. — Chief Financial OfficerOption exercise (M): 1,210 @ $0 · Sale (S): 498 @ $215.63 · Option exercise (M): 1,210 (derivative) @ $0EDGAR
2026-05-054Koralewski Michael — Chief Supply Chain OfficerOption exercise (M): 518 @ $0 · Sale (S): 215 @ $215.63 · Option exercise (M): 518 (derivative) @ $0EDGAR
2026-05-054Buehler Patrick James — Chief Product OfficerOption exercise (M): 553 @ $0 · Sale (S): 235 @ $215.63 · Option exercise (M): 553 (derivative) @ $0EDGAR
2026-05-054Dymbort Jason E. — General Counsel and SecretaryOption exercise (M): 968 @ $0 · Sale (S): 409 @ $215.63 · Option exercise (M): 968 (derivative) @ $0EDGAR
2026-05-054Gloeckler Markus — Chief Technology OfficerOption exercise (M): 968 @ $0 · Sale (S): 420 @ $215.63 · Option exercise (M): 968 (derivative) @ $0EDGAR
2026-05-054Sloan Samantha L. — EVP, Corporate AffairsOption exercise (M): 44 @ $0 · Sale (S): 19 @ $215.63 · Option exercise (M): 44 (derivative) @ $0EDGAR
2026-05-054Stockdale Caroline — Chief People and Comm. OfficerOption exercise (M): 622 @ $0 · Sale (S): 262 @ $215.63 · Option exercise (M): 622 (derivative) @ $0EDGAR
2026-05-054Theurer Nathan B. — VP - Global Controller and CAOOption exercise (M): 44 @ $0 · Sale (S): 13 @ $215.63 · Option exercise (M): 44 (derivative) @ $0EDGAR
2026-05-054Verma Kuntal Kumar — Chief Manufacturing OfficerOption exercise (M): 1,106 @ $0 · Sale (S): 479 @ $215.63 · Option exercise (M): 1,106 (derivative) @ $0EDGAR
2026-05-054Widmar Mark R — Chief Executive Officer, DirectorOption exercise (M): 3,802 @ $0 · Sale (S): 1,526 @ $215.63 · Option exercise (M): 3,802 (derivative) @ $0EDGAR
2026-05-054ANTOUN GEORGES — Chief Commercial OfficerOption exercise (M): 1,358 @ $0 · Sale (S): 566 @ $215.63 · Option exercise (M): 1,358 (derivative) @ $0EDGAR
2026-04-164Verma Kuntal Kumar — Chief Manufacturing OfficerSale (S): 573 @ $210EDGAR
2026-04-014Sweeney Michael T — DirectorGrant/award (A): 267 @ $0EDGAR
2026-04-014KRO LISA A — DirectorGrant/award (A): 267 @ $0EDGAR
2026-04-014Wright Norman L. — DirectorGrant/award (A): 267 @ $0EDGAR
2026-04-014George Anita M. — DirectorGrant/award (A): 267 @ $0EDGAR
2026-04-014RENDUCHINTALA VENKATA S M — DirectorGrant/award (A): 267 @ $0EDGAR
2026-04-014Ahearn Michael J — DirectorGrant/award (A): 374 @ $0EDGAR
2026-04-014STEBBINS PAUL H — DirectorGrant/award (A): 267 @ $0EDGAR
2026-04-014POST WILLIAM J — DirectorGrant/award (A): 267 @ $0EDGAR
2026-03-174Dymbort Jason E. — General Counsel and SecretaryOption exercise (M): 854 @ $0 · Sale (S): 358 @ $200.80 · Sale (S): 9,022 @ $199.62 · Option exercise (M): 854 (derivative) @ $0EDGAR
2026-03-174Buehler Patrick James — Chief Product OfficerOption exercise (M): 427 @ $0 · Sale (S): 180 @ $200.80 · Option exercise (M): 427 (derivative) @ $0EDGAR
2026-03-174Bradley Alexander R. — Chief Financial OfficerOption exercise (M): 1,441 @ $0 · Sale (S): 590 @ $200.80 · Sale (S): 2,958 @ $198.80 · Sale (S): 5,376 @ $199.75 · Sale (S): 5,075 @ $200.59 · Sale (S): 346 @ $201.65 · +2 moreEDGAR
2026-03-174ANTOUN GEORGES — Chief Commercial OfficerOption exercise (M): 587 @ $0 · Sale (S): 245 @ $200.80 · Option exercise (M): 587 (derivative) @ $0EDGAR

Recent 8-K events — FIRST SOLAR, INC.

FiledFormItems reportedSource
2026-07-308-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-158-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-04-308-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-248-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-198-K1.01 — Entry into a Material Definitive Agreement
1.02 — Termination of a Material Definitive Agreement
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
9.01 — Financial Statements and Exhibits
EDGAR
2025-10-308-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-10-218-K8.01 — Other EventsEDGAR
2025-07-318-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-07-308-K8.01 — Other EventsEDGAR
2025-06-248-K8.01 — Other EventsEDGAR
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