Form 4 Tracker
FIRST SOLAR, INC.
FSLR

95 insider filings · Latest: Oct 1, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 5, 2026May 6 12:00 AMGeorges AntounChief Commercial Officer
Sale
566$215.63$122.0K19,918(D)

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May 5, 2026May 5 11:57 PMAlexander R. BradleyChief Financial Officer
Sale
498$215.63$107.4K30,712(D)

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May 5, 2026May 5 11:54 PMMichael KoralewskiChief Supply Chain Officer
Sale
215$215.63$46.4K14,642(D)

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May 5, 2026May 5 11:52 PMPatrick James BuehlerChief Product Officer
Sale
235$215.63$50.7K7,406(D)

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May 5, 2026May 5 11:49 PMJason E. DymbortGeneral Counsel and Secretary
Sale
409$215.63$88.2K10,409(D)

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May 5, 2026May 5 11:48 PMMarkus GloecklerChief Technology Officer
Sale
420$215.63$90.6K10,896(D)

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May 5, 2026May 5 11:47 PMSamantha L. SloanEVP, Corporate Affairs
Sale
19$215.63$4.1K1,708(D)

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May 5, 2026May 5 11:46 PMCaroline StockdaleChief People and Comm. Officer
Sale
262$215.63$56.5K34,420(D)

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May 5, 2026May 5 11:44 PMNathan B. TheurerVP - Global Controller and CAO
Sale
13$215.63$2.8K31(D)

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May 5, 2026May 5 11:43 PMKuntal Kumar VermaChief Manufacturing Officer
Sale
479$215.63$103.3K9,490(D)

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May 5, 2026May 5 11:42 PMMark R WidmarDirector, Chief Executive Officer
Sale
1,526$215.63$329.1K105,074(D)

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May 5, 2026May 5 7:53 PMDymbort Jason E.
Proposed Sale
409$215.63$88.2K—

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May 5, 2026May 5 7:53 PMStockdale Caroline
Proposed Sale
262$215.63$56.5K—

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May 5, 2026May 5 7:45 PMBuehler Patrick James
Proposed Sale
235$215.63$50.7K—

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May 5, 2026May 5 7:43 PMGloeckler Markus
Proposed Sale
420$215.63$90.6K—

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May 5, 2026May 5 7:41 PMBradley Alexander R.
Proposed Sale
498$215.63$107.4K—

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May 5, 2026May 5 7:34 PMSloan Samantha L.
Proposed Sale
19$215.63$4.1K—

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May 5, 2026May 5 7:33 PMTheurer Nathan B.
Proposed Sale
13$215.63$2.8K—

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May 5, 2026May 5 7:23 PMANTOUN GEORGES
Proposed Sale
566$215.63$122.0K—

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May 5, 2026May 5 7:16 PMVerma Kuntal Kumar
Proposed Sale
479$215.63$103.3K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Sep 1, 2026Sep 3 7:41 PMSamantha L. SloanEVP, Corporate Affairs
Option Exercise
469—469(D)

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Aug 14, 2026Aug 18 6:53 PMSamantha L. SloanEVP, Corporate Affairs
Option Exercise
437—1,314(D)

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May 4, 2026May 6 12:00 AMGeorges AntounChief Commercial Officer
Option Exercise
1,358—4,074(D)

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May 4, 2026May 5 11:57 PMAlexander R. BradleyChief Financial Officer
Option Exercise
1,210—3,630(D)

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May 4, 2026May 5 11:54 PMMichael KoralewskiChief Supply Chain Officer
Option Exercise
518—1,556(D)

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May 4, 2026May 5 11:52 PMPatrick James BuehlerChief Product Officer
Option Exercise
553—1,660(D)

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May 4, 2026May 5 11:49 PMJason E. DymbortGeneral Counsel and Secretary
Option Exercise
968—2,904(D)

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May 4, 2026May 5 11:48 PMMarkus GloecklerChief Technology Officer
Option Exercise
968—2,904(D)

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May 4, 2026May 5 11:47 PMSamantha L. SloanEVP, Corporate Affairs
Option Exercise
44—134(D)

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May 4, 2026May 5 11:46 PMCaroline StockdaleChief People and Comm. Officer
Option Exercise
622—1,867(D)

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May 4, 2026May 5 11:44 PMNathan B. TheurerVP - Global Controller and CAO
Option Exercise
44—134(D)

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May 4, 2026May 5 11:43 PMKuntal Kumar VermaChief Manufacturing Officer
Option Exercise
1,106—3,319(D)

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May 4, 2026May 5 11:42 PMMark R WidmarDirector, Chief Executive Officer
Option Exercise
3,802—11,407(D)

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Mar 13, 2026Mar 17 11:34 PMMark R WidmarDirector, Chief Executive Officer
Option Exercise
4,856—4,856(D)

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Mar 13, 2026Mar 17 11:33 PMKuntal Kumar VermaChief Manufacturing Officer
Option Exercise
907—907(D)

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Mar 13, 2026Mar 17 11:32 PMNathan B. TheurerVP - Global Controller and CAO
Option Exercise
131—130(D)

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Mar 13, 2026Mar 17 11:30 PMCaroline StockdaleChief People and Comm. Officer
Option Exercise
800—800(D)

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Mar 13, 2026Mar 17 11:29 PMSamantha L. SloanEVP, Corporate Affairs
Option Exercise
280—280(D)

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Mar 13, 2026Mar 17 11:29 PMMichael KoralewskiChief Supply Chain Officer
Option Exercise
640—640(D)

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Mar 13, 2026Mar 17 11:28 PMMarkus GloecklerChief Technology Officer
Option Exercise
854—853(D)

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