Form 4 Tracker
Michael Koralewski

Chief Supply Chain Officer · 4 filings · Latest: May 4, 2026

FIRST SOLAR, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
FSLR
Michael KoralewskiChief Supply Chain OfficerMay 5, 2026
Sale
$215.63215$46.4K14,642
FSLR
Michael KoralewskiChief Supply Chain OfficerMay 4, 2026
Option Exercise
$0.0051814,857
FSLR
Koralewski MichaelMay 5, 2026
Proposed Sale
$215.63215$46.4K
FSLR
Michael KoralewskiChief Supply Chain OfficerMar 16, 2026
Sale
$200.80264$53.0K14,339
FSLR
Michael KoralewskiChief Supply Chain OfficerMar 13, 2026
Option Exercise
$0.0064014,603
FSLR
Koralewski MichaelMar 16, 2026
Proposed Sale
$200.80264$53.0K
FSLR
Michael KoralewskiChief Supply Chain OfficerMar 9, 2026
Sale
$190.36756$143.9K13,963
FSLR
Michael KoralewskiChief Supply Chain OfficerMar 6, 2026
Option Exercise
$0.001,85414,719
FSLR
Koralewski MichaelMar 9, 2026
Proposed Sale
$190.36756$143.9K
FSLR
Michael KoralewskiChief Supply Chain OfficerMar 3, 2026
Sale
$195.931,330$260.6K12,865
FSLR
Koralewski MichaelMar 2, 2026
Proposed Sale
$195.932,826$553.7K
FSLR
Koralewski MichaelJun 2, 2025
Proposed Sale
$158.212,951$466.9K
FSLR
Koralewski MichaelMar 17, 2025
Proposed Sale
$133.75273$36.5K
FSLR
Koralewski MichaelMar 7, 2025
Proposed Sale
$132.96188$25.0K