Welcome to our dedicated page for First Solar SEC filings (Ticker: FSLR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
First Solar, Inc. (NASDAQ: FSLR) files a range of documents with the US Securities and Exchange Commission (SEC) that provide detailed insight into its operations as America’s leading photovoltaic (PV) solar technology and manufacturing company. As a registrant with common stock listed on The NASDAQ Stock Market LLC under the symbol FSLR, the company submits periodic and current reports that describe its financial condition, risk factors, and material events.
Among the most closely followed filings for First Solar are its annual reports on Form 10‑K and quarterly reports on Form 10‑Q, which include discussions of net sales, module shipment volumes, operating income, cash balances, capital expenditures, and the impact of policy and trade developments on its business. These filings also describe the company’s thin film cadmium telluride (CdTe) PV technology, its fully integrated manufacturing process that does not rely on Chinese crystalline silicon supply chains, and its manufacturing and R&D footprint in the Western Hemisphere.
First Solar also files current reports on Form 8‑K to disclose material events. Recent 8‑K filings have covered quarterly financial results and tax credit transfer agreements related to advanced manufacturing production tax credits generated under Section 45X of the Internal Revenue Code. These 8‑K reports outline the size of the tax credits, purchase prices, payment schedules, and key conditions associated with transfers to financial institutions and a digital payments company.
On this page, you can access First Solar’s SEC filings and use AI‑powered summaries to quickly understand the key points in lengthy documents. The platform highlights important information from 10‑K and 10‑Q reports, explains the significance of 8‑K disclosures, and helps identify patterns in areas such as tax credit monetization, capital investment in new manufacturing facilities, and risk factor updates. Filings related to executive and insider transactions, such as Form 4 reports, can also be reviewed to monitor trading activity by company insiders.
Mark R. Widmar, Chief Executive Officer and Director of First Solar, Inc. (FSLR), reported multiple open-market sales of company common stock on August 12-13, 2025 under a previously adopted Rule 10b5-1 trading plan. The transactions total 27,708 shares sold across 11 reported lines at weighted-average prices ranging roughly from $181.77 to $190.25 per share. After these dispositions the reporting person beneficially owned 84,182 shares as of the last reported sale. The filing states the 10b5-1 plan was adopted on May 13, 2025 and that transaction details reflect multiple executions within disclosed price ranges.
First Solar, Inc. (FSLR) filed a Form 144 reporting a proposed sale of 686 common shares through Fidelity Brokerage Services on the NASDAQ, with an approximate sale date of 08/14/2025 and an aggregate market value of $124,872.58. The filing states the company has 107,247,651 shares outstanding.
The shares reported for sale were acquired through restricted stock vesting earlier in 2025: 379 shares on 02/26/2025, 211 shares on 03/06/2025, and 96 shares on 03/15/2025, with the nature of payment listed as compensation. The filer indicates no securities sold in the past three months for the account being reported.
Citadel entities and Kenneth Griffin jointly reported beneficial ownership stakes in First Solar common stock. The filing shows Mr. Griffin may be deemed to beneficially own 5,681,838 shares (5.3%) of the outstanding shares, while related Citadel entities report ownership ranging from 476,628 shares (0.4%) to 5,205,210 shares (4.9%). Reported holdings are shown as shared voting and dispositive power, with no sole voting or sole dispositive power disclosed. The percentage calculations are based on 107,244,479 shares outstanding as stated in the filing.
This Schedule 13G/A discloses that a group of affiliated entities led by Susquehanna Advisors Group, Inc. and Capital Ventures International beneficially own 8,466,499 shares of First Solar, representing 7.9% of the outstanding common stock based on 107,247,360 shares reported outstanding as of June 30, 2025.
The filing breaks down voting and dispositive authority: Susquehanna Securities, LLC reports sole voting and dispositive power over 7,521,635 shares, Capital Ventures International reports sole voting and dispositive power over 600,000 shares, and several affiliated broker-dealers report smaller sole holdings while the reporting persons disclose shared voting and dispositive power across the group. The statement affirms the shares were acquired and are held in the ordinary course of business and not to change control, and attaches a Limited Power of Attorney and a Joint Filing Agreement.
First Solar, Inc. (FSLR) Form 144 shows an insider notice to sell 3,796 common shares through Fidelity Brokerage Services on NASDAQ with an aggregate market value of $710,582.09. The filing lists total shares outstanding as 107,247,651, giving context to the size of the proposed sale.
The 3,796 shares being offered were acquired from the issuer as restricted stock vesting in two tranches: 779 shares on 02/26/2025 and 3,017 shares on 03/06/2025, both recorded as compensation. The filing also discloses a recent sale by Mark Widmar of 23,912 shares on 08/12/2025 for gross proceeds of $4,435,095.24.
First Solar, Inc. (FSLR) submitted a Form 144 reporting a proposed sale of 23,912 common shares through Fidelity on 08/12/2025. The filing lists an aggregate market value of $4,435,095.24 and 107,247,651 shares outstanding. The securities were acquired as restricted stock vesting on 02/26/2025 (21,022 shares) and 03/15/2025 (2,890 shares) and the consideration is listed as compensation. The filing shows Nothing to Report for securities sold in the past three months. Several standard Form 144 fields in the provided text, including filer identity and some dates, are left blank in the excerpt.
The Form 144 filing indicates that an insider of First Solar (FSLR)—identified as Patrick Buehler—plans to sell 1,600 common shares through Fidelity Brokerage on July 3, 2025. At the most recent market price used in the filing, the aggregate value of the proposed sale is $288,000. The shares stem from restricted-stock units that vested on February 29, 2024 as part of compensation. The filing also discloses a prior sale of 1,868 shares on June 3, 2025 that generated $278,481.44. With roughly 107.2 million shares outstanding, the proposed sale represents less than 0.002% of total shares, suggesting limited dilution or ownership impact. Nevertheless, Form 144 notices can serve as an early indicator of insider sentiment; repeated sales in a short time frame may be interpreted by some investors as mildly bearish, even though the dollar amounts are modest relative to First Solar’s market capitalization.