Form 4 Tracker
FIRST SOLAR, INC.
FSLR

95 insider filings · Latest: Oct 1, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 1, 2026Oct 2 9:48 PMMarkus GloecklerChief Technology Officer
Sale
800$174.00$139.2K5,042(D)

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Oct 1, 2026Oct 1 1:49 PMGloeckler Markus
Proposed Sale
800$174.00$139.2K—

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Sep 1, 2026Sep 2 3:28 PMMarkus GloecklerChief Technology Officer
Sale
800$200.00$160.0K5,842(D)

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Sep 1, 2026Sep 1 6:01 PMGloeckler Markus
Proposed Sale
800$200.00$160.0K—

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Aug 17, 2026Aug 18 6:53 PMSamantha L. SloanEVP, Corporate Affairs
Sale
127$222.95$28.3K2,018(D)

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Aug 17, 2026Aug 17 7:39 PMSloan Samantha L.
Proposed Sale
127$222.95$28.3K—

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Aug 11, 2026Aug 12 11:55 PMJason E. DymbortGeneral Counsel and Secretary
Sale
3,700$249.38$922.7K5,624(D)

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Aug 11, 2026Aug 11 9:35 PMDymbort Jason E.
Proposed Sale
3,700$249.38$922.7K—

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Aug 4, 2026Aug 5 10:11 PMMarkus GloecklerChief Technology Officer
Sale
829$248.00$205.6K6,642(D)

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Aug 3, 2026Aug 5 10:11 PMMarkus GloecklerChief Technology Officer
Sale
3,425$218.95$749.9K7,471(D)

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Aug 3, 2026Aug 5 10:08 PMMichael KoralewskiChief Supply Chain Officer
Sale
7,000$221.51$1.6M7,642(D)

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Aug 4, 2026Aug 4 6:22 PMGloeckler Markus
Proposed Sale
829$248.00$205.6K—

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Aug 3, 2026Aug 3 4:55 PMGloeckler Markus
Proposed Sale
3,425$218.95$749.9K—

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Aug 3, 2026Aug 3 4:11 PMKoralewski Michael
Proposed Sale
7,000$221.51$1.6M—

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Jun 2, 2026Jun 3 8:21 PMPatrick James BuehlerChief Product Officer
Sale
3,000$302.00$906.0K4,406(D)

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Jun 2, 2026Jun 2 2:32 PMBuehler Patrick James
Proposed Sale
3,000$302.00$906.0K—

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May 28, 2026Jun 1 6:27 PMCaroline StockdaleChief People and Comm. Officer
Sale
10,628$275.60$2.9M23,792(D)

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May 28, 2026May 28 1:56 PMStockdale Caroline
Proposed Sale
10,628$275.60$2.9M—

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May 26, 2026May 27 8:03 PMMark R WidmarDirector, Chief Executive Officer
Sale
5,195$268.98$1.4M81,861(D)

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May 22, 2026May 27 8:03 PMMark R WidmarDirector, Chief Executive Officer
Sale
1,977$254.15$502.5K87,056(D)

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Page 1 of 10

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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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