Theurer Nathan B. 4

What Happened

• Nathan B. Theurer, Vice President – Global Controller and Chief Accounting Officer of First Solar, sold 324 shares of FSLR common stock on March 10, 2026.
• The shares were disposed at $195.70 per share for a total transaction value of $63,407.
• This was a sale (routine disposition) rather than a purchase; the filing indicates the trade was carried out under a pre-established plan.

Key Details

• Transaction date: 2026-03-10; reported on Form 4 filed 2026-03-11 (timely filing).
• Price per share: $195.70; total proceeds: $63,407.
• Transaction type: Sale (open market or private sale as indicated).
• Footnote: Trade was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 15, 2025.
• Shares owned after transaction: Not disclosed in this Form 4.

Context

• 10b5-1 plans allow insiders to execute pre-planned trades regardless of later material nonpublic information; such sales are commonly routine and do not necessarily indicate a change in insider outlook.
• For retail investors, purchases typically carry more informational weight than routine sales; this filing documents a scheduled disposition under an established plan, not an opportunistic market-timed sale.