FIRST SOLAR, INC. (FSLR) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-03 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: FIRST SOLAR, INC. (FSLR) CIK: 0001274494 --- Reporting Owner --- Name: Gloeckler Markus CIK: 0001819680 Role: Officer (Chief Technology Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-03 | Code: S (Open market sale) Shares: -800 | Price: $222.00 Total Value: $177,600.00 Shares Owned After: 10,096 | Ownership: D (Direct) Footnotes: [F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on May 4, 2026. [Transaction #2] Security: Common Stock Date: 2026-08-03 | Code: S (Open market sale) Shares: -2,625 | Price: $218.02 Total Value: $572,302.50 Shares Owned After: 7,471 | Ownership: D (Direct) Footnotes: [F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on May 4, 2026. [Transaction #3] Security: Common Stock Date: 2026-08-04 | Code: S (Open market sale) Shares: -829 | Price: $248.00 Total Value: $205,592.00 Shares Owned After: 6,642 | Ownership: D (Direct) Footnotes: [F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on May 4, 2026. --- Footnotes (Complete Index) --- F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on May 4, 2026. --- Signature --- /s/ /s/ Jason E. Dymbort, attorney-in-fact (2026-08-05)