Form 4 Tracker
FIRST SOLAR, INC.
FSLR

95 insider filings · Latest: Oct 1, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 26, 2026May 26 8:07 PMWidmar Mark R
Proposed Sale
5,195$268.98$1.4M—

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May 21, 2026May 22 8:31 PMKuntal Kumar VermaChief Manufacturing Officer
Sale
582$250.00$145.5K4,967(D)

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May 21, 2026May 22 8:28 PMMark R WidmarDirector, Chief Executive Officer
Sale
4,815$247.43$1.2M89,033(D)

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May 22, 2026May 22 8:05 PMWidmar Mark R
Proposed Sale
1,977$254.15$502.5K—

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May 21, 2026May 21 8:27 PMWidmar Mark R
Proposed Sale
4,815$247.43$1.2M—

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May 21, 2026May 21 8:16 PMVerma Kuntal Kumar
Proposed Sale
582$250.00$145.5K—

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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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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 13, 2026Mar 17 11:27 PMJason E. DymbortGeneral Counsel and Secretary
Option Exercise
854—853(D)

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Mar 13, 2026Mar 17 11:26 PMPatrick James BuehlerChief Product Officer
Option Exercise
427—427(D)

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Mar 13, 2026Mar 17 11:25 PMAlexander R. BradleyChief Financial Officer
Option Exercise
1,441—1,440(D)

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Mar 13, 2026Mar 17 11:23 PMGeorges AntounChief Commercial Officer
Option Exercise
587—587(D)

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Mar 6, 2026Mar 11 1:01 AMGeorges AntounChief Commercial Officer
Option Exercise
1,870—1,431(D)

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Mar 6, 2026Mar 11 1:01 AMGeorges AntounChief Commercial Officer
Grant/Award
2,749—2,749(D)

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Mar 6, 2026Mar 11 1:00 AMAlexander R. BradleyChief Financial Officer
Option Exercise
4,217—4,005(D)

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Mar 6, 2026Mar 11 1:00 AMAlexander R. BradleyChief Financial Officer
Grant/Award
4,229—4,229(D)

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Mar 6, 2026Mar 11 12:59 AMPatrick James BuehlerChief Product Officer
Grant/Award
1,903—1,903(D)

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Mar 6, 2026Mar 11 12:59 AMPatrick James BuehlerChief Product Officer
Option Exercise
1,675—1,831(D)

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Mar 6, 2026Mar 11 12:58 AMJason E. DymbortGeneral Counsel and Secretary
Option Exercise
3,056—3,204(D)

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Mar 6, 2026Mar 11 12:58 AMJason E. DymbortGeneral Counsel and Secretary
Grant/Award
2,960—2,960(D)

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Mar 6, 2026Mar 11 12:56 AMMarkus GloecklerChief Technology Officer
Option Exercise
3,150—3,204(D)

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Mar 6, 2026Mar 11 12:56 AMMarkus GloecklerChief Technology Officer
Grant/Award
3,066—3,066(D)

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Mar 6, 2026Mar 11 12:54 AMMichael KoralewskiChief Supply Chain Officer
Option Exercise
1,854—1,716(D)

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Mar 6, 2026Mar 11 12:54 AMMichael KoralewskiChief Supply Chain Officer
Grant/Award
1,903—1,903(D)

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Mar 6, 2026Mar 11 12:53 AMSamantha L. SloanEVP, Corporate Affairs
Option Exercise
681—516(D)

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Mar 6, 2026Mar 11 12:53 AMSamantha L. SloanEVP, Corporate Affairs
Grant/Award
1,692—1,692(D)

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Mar 6, 2026Mar 11 12:52 AMCaroline StockdaleChief People and Comm. Officer
Option Exercise
2,436—2,060(D)

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Mar 6, 2026Mar 11 12:52 AMCaroline StockdaleChief People and Comm. Officer
Grant/Award
1,903—1,903(D)

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