Form 4 Tracker
FIRST SOLAR, INC.
FSLR

95 insider filings · Latest: Oct 1, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Mar 9, 2026Mar 11 12:56 AMMarkus GloecklerChief Technology Officer
Sale
1,325$190.36$252.2K9,862(D)

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Mar 9, 2026Mar 11 12:54 AMMichael KoralewskiChief Supply Chain Officer
Sale
756$190.36$143.9K13,963(D)

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Mar 9, 2026Mar 11 12:53 AMSamantha L. SloanEVP, Corporate Affairs
Sale
303$190.36$57.7K1,523(D)

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Mar 9, 2026Mar 11 12:52 AMCaroline StockdaleChief People and Comm. Officer
Sale
1,041$190.36$198.2K33,595(D)

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Mar 9, 2026Mar 11 12:51 AMNathan B. TheurerVP - Global Controller and CAO
Sale
157$190.36$29.9K324(D)

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Mar 9, 2026Mar 11 12:49 AMKuntal Kumar VermaChief Manufacturing Officer
Sale
1,386$190.36$263.8K9,509(D)

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Mar 9, 2026Mar 11 12:48 AMMark R WidmarDirector, Chief Executive Officer
Sale
5,537$190.36$1.1M99,879(D)

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Mar 10, 2026Mar 10 2:40 PMVerma Kuntal Kumar
Proposed Sale
408$195.70$79.8K—

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Mar 10, 2026Mar 10 1:57 PMTheurer Nathan B.
Proposed Sale
324$195.70$63.4K—

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Mar 9, 2026Mar 9 8:44 PMDymbort Jason E.
Proposed Sale
1,305$190.36$248.4K—

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Mar 9, 2026Mar 9 8:43 PMSloan Samantha L.
Proposed Sale
303$190.36$57.7K—

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Mar 9, 2026Mar 9 8:09 PMKoralewski Michael
Proposed Sale
756$190.36$143.9K—

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Mar 9, 2026Mar 9 8:04 PMStockdale Caroline
Proposed Sale
1,041$190.36$198.2K—

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Mar 9, 2026Mar 9 7:51 PMBuehler Patrick James
Proposed Sale
697$190.36$132.7K—

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Mar 9, 2026Mar 9 7:37 PMGloeckler Markus
Proposed Sale
1,325$190.36$252.2K—

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Mar 9, 2026Mar 9 7:26 PMBradley Alexander R.
Proposed Sale
1,756$190.36$334.3K—

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Mar 9, 2026Mar 9 7:24 PMTheurer Nathan B.
Proposed Sale
157$190.36$29.9K—

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Mar 9, 2026Mar 9 7:21 PMANTOUN GEORGES
Proposed Sale
791$190.36$150.6K—

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Mar 9, 2026Mar 9 7:19 PMWidmar Mark R
Proposed Sale
5,537$190.36$1.1M—

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Mar 9, 2026Mar 9 7:11 PMVerma Kuntal Kumar
Proposed Sale
1,386$190.36$263.8K—

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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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