First Solar, Inc. insider trading
Every open-market purchase and sale by First Solar, Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.
| Date | Insider | Trade | Shares | Price | Value | 1M after | 3M after | 6M after |
|---|
Does following First Solar, Inc.’s insiders pay?
From February 24, 2010 to August 18, 2026, 31 insiders reported 14 open-market purchases and 95 sales not made under a pre-set plan in First Solar, Inc. Twelve months after each purchase was reported, the shares were +4.7% against the S&P 500 on average (median +8.1%), over 14 purchases with a full year of prices; 50% beat the index. After sales, the shares moved −0.2% against the index over 12 months (a negative figure means selling was the right call). That rests on fewer than 20 purchases, too few to read much into. Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on March 1, 2010 into $11,267 by November 2, 2026, +0.7% a year. It held shares 48% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $28,445 (+6.5% a year), and held throughout $90,818 (+14.2%).
| Insider | Role | Purchases | 12 months after their purchases | Beat the S&P 500 | Sales | 12 months after their sales | Latest report |
|---|---|---|---|---|---|---|---|
| Sweeney Michael T | Director | 1 | −1.9% (1) | 0% | 8 | −20.8% (7) | November 10, 2025 |
| Antoun Georges | Chief Commercial Officer | 1 | +81.0% (1) | 100% | 6 | +26.9% (2) | May 5, 2026 |
| Buehler Patrick James | Chief Product Officer | 1 | +81.0% (1) | 100% | 6 | +26.9% (2) | May 5, 2026 |
| Widmar Mark R | Chief Executive Officer | 1 | −98.6% (1) | 0% | 6 | +26.9% (2) | May 5, 2026 |
| Bradley Alexander R. | Chief Financial Officer | 1 | +89.0% (1) | 100% | 5 | +26.9% (2) | May 5, 2026 |
| Gloeckler Markus | Chief Technology Officer | 0 | — | — | 6 | +26.9% (2) | May 5, 2026 |
| Koralewski Michael | Chief Supply Chain Officer | 0 | — | — | 6 | +26.9% (2) | May 5, 2026 |
| Stockdale Caroline | Chief People and Comm. Officer | 0 | — | — | 6 | +26.9% (2) | May 5, 2026 |
| Dymbort Jason E. | General Counsel and Secretary | 0 | — | — | 5 | +26.9% (2) | May 5, 2026 |
| Kennedy R Craig | Director | 0 | — | — | 5 | −27.3% (5) | May 7, 2024 |
| Sloan Samantha L. | EVP, Corporate Affairs | 0 | — | — | 5 | −18.7% (1) | August 18, 2026 |
| Stebbins Paul H | Director | 0 | — | — | 5 | −8.5% (4) | November 10, 2025 |
| Verma Kuntal Kumar | Chief Manufacturing Officer | 0 | — | — | 5 | +26.9% (2) | May 5, 2026 |
| Chapman Richard D | Director | 1 | +59.9% (1) | 100% | 3 | −44.0% (3) | May 23, 2024 |
| Kallenbach T.L. | President, Components Bus Grp | 3 | −36.2% (3) | 33% | 0 | — | August 24, 2011 |
| Presby J Thomas | Director | 1 | +82.4% (1) | 100% | 2 | −41.5% (2) | May 12, 2017 |
| Ahearn Michael J | Executive Chairman | 0 | — | — | 2 | +28.8% (2) | February 26, 2010 |
| Garabedian Raffi | Chief Technology Officer | 0 | — | — | 2 | +157.9% (2) | May 9, 2013 |
| Hambro George A | Director | 1 | −21.8% (1) | 0% | 1 | −6.4% (1) | March 5, 2021 |
| Hughes James Alton | Chief Executive Officer | 0 | — | — | 2 | −20.4% (2) | August 18, 2015 |
| Walton Lukas T | 10% owner | 0 | — | — | 2 | +14.7% (2) | November 3, 2020 |
| Eaglesham David J | Chief Technology Officer | 0 | — | — | 1 | −86.5% (1) | March 7, 2011 |
| Gillette Robert J | CEO | 1 | +18.2% (1) | 100% | 0 | — | February 26, 2010 |
| Gustafsson Mary Elizabeth | EVP, General Counsel, Secty. | 0 | — | — | 1 | +10.9% (1) | May 9, 2013 |
| Jtw Trust NO. 1 Uad 9/19/02 | Other | 0 | — | — | 1 | −67.8% (1) | December 1, 2010 |
| Nolan James F | Director | 0 | — | — | 1 | −86.3% (1) | March 1, 2011 |
| Post William J | Director | 0 | — | — | 1 | −33.1% (1) | May 17, 2023 |
| Sohn Bruce | President | 0 | — | — | 1 | −40.8% (1) | September 1, 2010 |
| Theurer Nathan B. | VP - Global Controller and CAO | 0 | — | — | 1 | — | March 10, 2026 |
| Villarreal Jose H | Director | 1 | −58.7% (1) | 0% | 0 | — | November 7, 2011 |
| Wright Norman L. | Director | 1 | −55.8% (1) | 0% | 0 | — | March 8, 2023 |
When several insiders traded First Solar, Inc.
Months when 2 or more insiders became net buyers, or 3 or more net sellers, of First Solar, Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 3 buying crowds with six months of prices, it averaged −5.9% against the index. After 7 selling crowds, −14.3%. One company's history is too short to judge by; the test across every company is the better guide.
| Month | Crowd | 3 months on, vs S&P 500 | 6 months | 12 months |
|---|---|---|---|---|
| March 31, 2026 | 11 selling | +2.7% | −29.1% | not yet |
| November 28, 2025 | 3 selling | −27.5% | +2.2% | not yet |
| March 31, 2025 | 9 selling | +18.2% | +54.7% | +39.3% |
| May 31, 2024 | 3 selling | −23.6% | −41.7% | −55.6% |
| May 31, 2023 | 5 selling | −17.2% | −33.0% | +5.9% |
| August 31, 2022 | 3 buying | +31.7% | +61.6% | +30.1% |
| August 31, 2011 | 2 buying | −54.9% | −83.6% | −97.7% |
| March 31, 2011 | 3 selling | −17.8% | −48.0% | −92.9% |
| December 31, 2010 | 3 selling | +16.9% | −5.2% | −76.0% |
| April 30, 2010 | 2 buying | −6.1% | +4.3% | −20.2% |