Form 4 Tracker
FIRST SOLAR, INC.
FSLR

64 insider filings · Latest: May 11, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 13, 2026May 13 11:40 PMMark R WidmarDirector, Chief Executive Officer
Sale
1,300$240.02$312.0K93,848(D)

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May 11, 2026May 13 11:40 PMMark R WidmarDirector, Chief Executive Officer
Sale
9,926$233.21$2.3M95,148(D)

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May 13, 2026May 13 8:02 PMKuntal Kumar VermaChief Manufacturing Officer
Sale
1,455$240.00$349.2K5,549(D)

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May 11, 2026May 13 8:02 PMKuntal Kumar VermaChief Manufacturing Officer
Sale
2,216$225.79$500.4K7,004(D)

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May 13, 2026May 13 7:56 PMWidmar Mark R
Proposed Sale
1,300$240.02$312.0K

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May 13, 2026May 13 4:07 PMVerma Kuntal Kumar
Proposed Sale
1,455$240.00$349.2K

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May 11, 2026May 11 8:10 PMWidmar Mark R
Proposed Sale
9,926$233.21$2.3M

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May 11, 2026May 11 5:00 PMVerma Kuntal Kumar
Proposed Sale
2,216$225.79$500.4K

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May 6, 2026May 8 7:22 PMKuntal Kumar VermaChief Manufacturing Officer
Sale
270$218.16$58.9K9,220(D)

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May 6, 2026May 8 7:20 PMNathan B. TheurerVP - Global Controller and CAO
Sale
31$218.16$6.8K0(D)

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May 6, 2026May 8 7:17 PMJason E. DymbortGeneral Counsel and Secretary
Sale
228$218.16$49.7K9,324(D)

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May 6, 2026May 6 1:59 PMTheurer Nathan B.
Proposed Sale
31$218.16$6.8K

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May 6, 2026May 6 1:47 PMDymbort Jason E.
Proposed Sale
228$218.16$49.7K

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May 6, 2026May 6 1:44 PMVerma Kuntal Kumar
Proposed Sale
270$218.16$58.9K

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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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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
May 4, 2026May 6 12:00 AMGeorges AntounChief Commercial Officer
Option Exercise
1,3584,074(D)

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May 4, 2026May 5 11:57 PMAlexander R. BradleyChief Financial Officer
Option Exercise
1,2103,630(D)

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May 4, 2026May 5 11:54 PMMichael KoralewskiChief Supply Chain Officer
Option Exercise
5181,556(D)

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May 4, 2026May 5 11:52 PMPatrick James BuehlerChief Product Officer
Option Exercise
5531,660(D)

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May 4, 2026May 5 11:49 PMJason E. DymbortGeneral Counsel and Secretary
Option Exercise
9682,904(D)

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May 4, 2026May 5 11:48 PMMarkus GloecklerChief Technology Officer
Option Exercise
9682,904(D)

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May 4, 2026May 5 11:47 PMSamantha L. SloanEVP, Corporate Affairs
Option Exercise
44134(D)

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May 4, 2026May 5 11:46 PMCaroline StockdaleChief People and Comm. Officer
Option Exercise
6221,867(D)

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May 4, 2026May 5 11:44 PMNathan B. TheurerVP - Global Controller and CAO
Option Exercise
44134(D)

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May 4, 2026May 5 11:43 PMKuntal Kumar VermaChief Manufacturing Officer
Option Exercise
1,1063,319(D)

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May 4, 2026May 5 11:42 PMMark R WidmarDirector, Chief Executive Officer
Option Exercise
3,80211,407(D)

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Mar 13, 2026Mar 17 11:34 PMMark R WidmarDirector, Chief Executive Officer
Option Exercise
4,8564,856(D)

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Mar 13, 2026Mar 17 11:33 PMKuntal Kumar VermaChief Manufacturing Officer
Option Exercise
907907(D)

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Mar 13, 2026Mar 17 11:32 PMNathan B. TheurerVP - Global Controller and CAO
Option Exercise
131130(D)

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Mar 13, 2026Mar 17 11:30 PMCaroline StockdaleChief People and Comm. Officer
Option Exercise
800800(D)

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Mar 13, 2026Mar 17 11:29 PMSamantha L. SloanEVP, Corporate Affairs
Option Exercise
280280(D)

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Mar 13, 2026Mar 17 11:29 PMMichael KoralewskiChief Supply Chain Officer
Option Exercise
640640(D)

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Mar 13, 2026Mar 17 11:28 PMMarkus GloecklerChief Technology Officer
Option Exercise
854853(D)

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Mar 13, 2026Mar 17 11:27 PMJason E. DymbortGeneral Counsel and Secretary
Option Exercise
854853(D)

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Mar 13, 2026Mar 17 11:26 PMPatrick James BuehlerChief Product Officer
Option Exercise
427427(D)

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Page 1 of 3

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