First Solar Officer Markus Gloeckler Files Form 144 to Sell 800 Shares

Insider Filing Analysis: Form 144 Notice of Proposed Sale

Company: First Solar, Inc. (NASDAQ: FSLR)
Insider: Markus Gloeckler, Officer
Filing Date: October 1, 2026

Key Transaction Details

• Securities to be Sold: 800 shares of Common Stock
• Aggregate Market Value: $139,200.00 (~$174.00 per share)
• Approximate Sale Date: October 1, 2026
• Shares Outstanding: 107,469,788
• Percentage of Float: Negligible (<0.001%)
• Source of Shares: Acquired on March 6, 2026, via Restricted Stock Vesting as equity compensation.
• Trading Plan: Adopted under a Rule 10b5-1 plan dated May 4, 2026.

Recent Activity (Past 3 Months)

Markus Gloeckler reported prior sales under the plan:

• August 3, 2026: 3,425 shares ($749,902.50)
• August 4, 2026: 829 shares ($205,592.00)
• September 1, 2026: 800 shares ($160,000.00)

Market & Trading Impact

The proposed sale of 800 shares is small relative to First Solar's trading volume and outstanding shares. Given that the transaction is executed under a pre-scheduled Rule 10b5-1 trading plan established in May 2026, it represents routine portfolio diversification rather than a discretionary market-timing decision. Significance is Low.