Nathan B. Theurer holds the role of VP - Global Controller and CAO at FIRST SOLAR, INC. (FSLR). Theurer has reported 9 insider filings with the SEC since 2025. The most recent filing was in May 2026.
Every role Nathan B. Theurer has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
FIRST SOLAR, INC. (FSLR)8 filingsUpdated Aug 30, 2026
Nathan B. Theurer is VP - Global Controller and CAO of FIRST SOLAR, INC. (FSLR). 8 SEC Form 4 filings on record going back to 2025, most recently on 8 May 2026. Most recent open-market trade: sold $7K of FSLR on 8 May 2026. Lifetime open-market sales: $218K.
Every recent SEC Form 4 transaction Nathan B. Theurer has reported, most recent first.
InsiderAlpha's records for Nathan B. Theurer go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. 6 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Insiders who reported open-market trades in the last 12 months at the companies Nathan B. Theurer files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Nathan B. Theurer is a corporate insider, tracked as VP - Global Controller and CAO of FIRST SOLAR, INC. (FSLR). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 8 May 2026, one of 8 filings going back to 2025.
Recorded transactions: 0 open-market purchases and 11 open-market sales ($218K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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