Form 4 Tracker
FIRST SOLAR, INC.
FSLR

82 insider filings · Latest: Aug 11, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
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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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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Page 1 of 10

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 13, 2026Mar 17 11:25 PMAlexander R. BradleyChief Financial Officer
Option Exercise
1,4411,440(D)

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Mar 13, 2026Mar 17 11:23 PMGeorges AntounChief Commercial Officer
Option Exercise
587587(D)

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Mar 6, 2026Mar 11 1:01 AMGeorges AntounChief Commercial Officer
Option Exercise
1,8701,431(D)

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Mar 6, 2026Mar 11 1:01 AMGeorges AntounChief Commercial Officer
Grant/Award
2,7492,749(D)

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Mar 6, 2026Mar 11 1:00 AMAlexander R. BradleyChief Financial Officer
Option Exercise
4,2174,005(D)

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Mar 6, 2026Mar 11 1:00 AMAlexander R. BradleyChief Financial Officer
Grant/Award
4,2294,229(D)

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Mar 6, 2026Mar 11 12:59 AMPatrick James BuehlerChief Product Officer
Option Exercise
1,6751,831(D)

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Mar 6, 2026Mar 11 12:59 AMPatrick James BuehlerChief Product Officer
Grant/Award
1,9031,903(D)

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Mar 6, 2026Mar 11 12:58 AMJason E. DymbortGeneral Counsel and Secretary
Grant/Award
2,9602,960(D)

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Mar 6, 2026Mar 11 12:58 AMJason E. DymbortGeneral Counsel and Secretary
Option Exercise
3,0563,204(D)

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Mar 6, 2026Mar 11 12:56 AMMarkus GloecklerChief Technology Officer
Option Exercise
3,1503,204(D)

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Mar 6, 2026Mar 11 12:56 AMMarkus GloecklerChief Technology Officer
Grant/Award
3,0663,066(D)

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Mar 6, 2026Mar 11 12:54 AMMichael KoralewskiChief Supply Chain Officer
Option Exercise
1,8541,716(D)

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Mar 6, 2026Mar 11 12:54 AMMichael KoralewskiChief Supply Chain Officer
Grant/Award
1,9031,903(D)

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Mar 6, 2026Mar 11 12:53 AMSamantha L. SloanEVP, Corporate Affairs
Option Exercise
681516(D)

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Mar 6, 2026Mar 11 12:53 AMSamantha L. SloanEVP, Corporate Affairs
Grant/Award
1,6921,692(D)

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Mar 6, 2026Mar 11 12:52 AMCaroline StockdaleChief People and Comm. Officer
Option Exercise
2,4362,060(D)

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Mar 6, 2026Mar 11 12:52 AMCaroline StockdaleChief People and Comm. Officer
Grant/Award
1,9031,903(D)

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Mar 6, 2026Mar 11 12:51 AMNathan B. TheurerVP - Global Controller and CAO
Option Exercise
481516(D)

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Mar 6, 2026Mar 11 12:51 AMNathan B. TheurerVP - Global Controller and CAO
Grant/Award
635635(D)

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