Nathan B. Theurer, VP of Global Controller and CAO at First Solar Inc. ($FSLR), made nine open market sales of company shares over the past year, totaling $250,567. His latest sale occurred on March 10, 2026. These FSLR insider sales rank 7,957th out of 11,678 individual insiders, well below the average of $8.6 million and 6.4 transactions per seller. He reported no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 13, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Common Stock | 131 | $0.00 | 131.0000 | 107,538,000 | 9999.99% | 0.00% |
| March 16, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 35 | $200.80 | 96.0000 | 107,538,000 | 26.72% | 0.00% |
| March 17, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 96 | $199.53 | 0.0000 | 107,538,000 | 100.00% | 0.00% |
| March 13, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Restricted Stock Units | 131 | $0.00 | 130.0000 | 107,538,000 | 50.19% | 0.00% |
| March 10, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 324 | $195.70 | 0.0000 | 107,538,000 | 100.00% | 0.00% |
| March 6, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Common Stock | 82 | $0.00 | 215.0000 | 107,538,000 | 61.65% | 0.00% |
| March 6, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Common Stock | 133 | $0.00 | 133.0000 | 107,538,000 | 9999.99% | 0.00% |
| March 6, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | A | Restricted Stock Units | 635 | $0.00 | 635.0000 | 107,538,000 | 9999.99% | 0.00% |
| March 6, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Restricted Stock Units | 171 | $0.00 | 516.0000 | 107,538,000 | 24.89% | 0.00% |
| March 6, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Restricted Stock Units | 95 | $0.00 | 190.0000 | 107,538,000 | 33.33% | 0.00% |
| March 6, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Restricted Stock Units | 82 | $0.00 | 83.0000 | 107,538,000 | 49.70% | 0.00% |
| March 6, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Restricted Stock Units | 133 | $0.00 | 0.0000 | 107,538,000 | 100.00% | 0.00% |
| March 9, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 55 | $190.36 | 324.0000 | 107,538,000 | 14.51% | 0.00% |
| March 9, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 32 | $190.36 | 379.0000 | 107,538,000 | 7.79% | 0.00% |
| March 9, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 27 | $190.36 | 411.0000 | 107,538,000 | 6.16% | 0.00% |
| March 9, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 43 | $190.36 | 438.0000 | 107,538,000 | 8.94% | 0.00% |
| March 6, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Common Stock | 171 | $0.00 | 481.0000 | 107,538,000 | 55.16% | 0.00% |
| March 6, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Common Stock | 95 | $0.00 | 310.0000 | 107,538,000 | 44.19% | 0.00% |
| March 4, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 92 | $196.95 | 0.0000 | 107,538,000 | 100.00% | 0.00% |
| March 3, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 49 | $195.93 | 92.0000 | 107,538,000 | 34.75% | 0.00% |
| Feb. 27, 2026 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | A | Common Stock | 141 | $0.00 | 141.0000 | 107,538,000 | 9999.99% | 0.00% |
| Feb. 27, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | A | Common Stock | 560 | $0.00 | 560.0000 | 107,525,000 | 9999.99% | 0.00% |
| Aug. 14, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 686 | $182.03 | 0.0000 | 107,525,000 | 100.00% | 0.00% |
| Feb. 27, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | F | Common Stock | 181 | $156.84 | 379.0000 | 107,525,000 | 32.32% | 0.00% |
| May 1, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | A | Restricted Stock Units | 178 | $0.00 | 178.0000 | 107,525,000 | 9999.99% | 0.00% |
| March 17, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 35 | $133.75 | 307.0000 | 107,525,000 | 10.23% | 0.00% |
| March 14, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Common Stock | 131 | $0.00 | 342.0000 | 107,525,000 | 62.09% | 0.00% |
| March 14, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Restricted Stock Units | 131 | $0.00 | 261.0000 | 107,525,000 | 33.42% | 0.00% |
| March 6, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Common Stock | 94 | $0.00 | 242.0000 | 107,525,000 | 63.51% | 0.00% |
| March 6, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | F | Common Stock | 27 | $131.13 | 148.0000 | 107,525,000 | 15.43% | 0.00% |
| March 6, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Common Stock | 83 | $0.00 | 175.0000 | 107,525,000 | 90.22% | 0.00% |
| March 6, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | F | Common Stock | 41 | $131.13 | 92.0000 | 107,525,000 | 30.83% | 0.00% |
| March 6, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Common Stock | 133 | $0.00 | 133.0000 | 107,525,000 | 9999.99% | 0.00% |
| March 6, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Restricted Stock Units | 94 | $0.00 | 285.0000 | 107,525,000 | 24.80% | 0.00% |
| March 6, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | A | Restricted Stock Units | 687 | $0.00 | 687.0000 | 107,525,000 | 9999.99% | 0.00% |
| March 6, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Restricted Stock Units | 83 | $0.00 | 165.0000 | 107,525,000 | 33.47% | 0.00% |
| March 6, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | M | Restricted Stock Units | 133 | $0.00 | 133.0000 | 107,525,000 | 50.00% | 0.00% |
| March 7, 2025 | FIRST SOLAR, INC. | $FSLR | Theurer Nathan B. | VP - Global Controller and CAO | S | Common Stock | 31 | $132.96 | 211.0000 | 107,525,000 | 12.81% | 0.00% |