Updated Jul 16, 2026
Theurer Nathan B. has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $218K.
Nathan B. Theurer is the Vice President, Global Controller, and Chief Accounting Officer at First Solar, Inc., a leading manufacturer of solar photovoltaic panels. He has been involved in the company's financial operations and reporting.
| Role | VP - Global Controller and CAO |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-08 | FSLR | FIRST SOLAR, INC. | S — Open-market sale | 31 | $218.16 | $7K |
| 2026-05-05 | FSLR | FIRST SOLAR, INC. | S — Open-market sale | 13 | $215.63 | $3K |
| 2026-05-05 | FSLR | FIRST SOLAR, INC. | M — Option exercise | 44 | $0.00 | |
| 2026-03-17 | FSLR | FIRST SOLAR, INC. | S — Open-market sale [10b5-1] | 96 | $199.53 | $19K |
| 2026-03-17 | FSLR | FIRST SOLAR, INC. | S — Open-market sale [10b5-1] | 35 | $200.80 | $7K |
| 2026-03-17 | FSLR | FIRST SOLAR, INC. | M — Option exercise [10b5-1] | 131 | $0.00 | |
| 2026-03-11 | FSLR | FIRST SOLAR, INC. | S — Open-market sale | 55 | $190.36 | $10K |
| 2026-03-11 | FSLR | FIRST SOLAR, INC. | S — Open-market sale | 32 | $190.36 | $6K |
| 2026-03-11 | FSLR | FIRST SOLAR, INC. | S — Open-market sale | 27 | $190.36 | $5K |
| 2026-03-11 | FSLR | FIRST SOLAR, INC. | S — Open-market sale | 43 | $190.36 | $8K |
| 2026-03-11 | FSLR | FIRST SOLAR, INC. | M — Option exercise | 171 | $0.00 | |
| 2026-03-11 | FSLR | FIRST SOLAR, INC. | M — Option exercise | 95 | $0.00 | |
| 2026-03-11 | FSLR | FIRST SOLAR, INC. | M — Option exercise | 82 | $0.00 | |
| 2026-03-11 | FSLR | FIRST SOLAR, INC. | M — Option exercise | 133 | $0.00 | |
| 2026-03-06 | FSLR | FIRST SOLAR, INC. | S — Open-market sale [10b5-1] | 92 | $196.95 | $18K |
| 2026-03-04 | FSLR | FIRST SOLAR, INC. | S — Open-market sale | 49 | $195.93 | $10K |
| 2026-03-04 | FSLR | FIRST SOLAR, INC. | A — Grant or award | 141 | $0.00 | |
| 2025-02-27 | FSLR | FIRST SOLAR, INC. | S — Open-market sale | 686 | $182.03 | $125K |
| 2025-02-27 | FSLR | FIRST SOLAR, INC. | F — Tax withholding / forfeiture | 181 | $156.84 | $28K |
| 2025-02-27 | FSLR | FIRST SOLAR, INC. | A — Grant or award | 560 | $0.00 |
Nathan B. Theurer is the Vice President, Global Controller, and Chief Accounting Officer at First Solar, Inc., a leading manufacturer of solar photovoltaic panels. He has been involved in the company's financial operations and reporting.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
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.
Open the live Theurer Nathan B. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.