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.
Form 144 notice for First Solar, Inc. (FSLR): The filing reports a proposed sale of 140 common shares acquired by restricted stock vesting on 08/29/2025. The filing lists an approximate sale date of 09/02/2025 through Fidelity Brokerage Services LLC on NASDAQ, with an aggregate market value of $26,385.81 and total shares outstanding shown as 107,247,651. The payment/source is identified as compensation. The filer identification fields (CIK/CCC and contact details) are not populated in the provided text. No securities were reported sold by the filer in the past three months.
Jason E. Dymbort, General Counsel and Secretary of First Solar, Inc. (FSLR), reported a sale of 1,824 shares of First Solar common stock on 08/19/2025 at a price of $215.33 per share. After the sale, Dymbort beneficially owns 20,449 shares. The filing states the sale was effected pursuant to a previously adopted Rule 10b5-1 trading plan established on May 20, 2025, which provides an affirmative defense for planned trades. The Form 4 is signed and dated 08/20/2025.
Insider award disclosure: Samantha L. Sloan, EVP, Corporate Affairs of First Solar, Inc. (FSLR), was granted 1,751 restricted stock units (RSUs) on 08/15/2025. Each RSU represents the right to one share of common stock upon vesting. The RSUs vest in four equal annual installments of 25% beginning on the first anniversary of the grant date, and the award is reported as direct beneficial ownership of 1,751 shares following the grant. The Form 4 was signed by an attorney-in-fact on 08/19/2025. No exercise price applies to the RSUs.
First Solar, Inc. (FSLR) filing a Form 144 notifies the proposed sale of 1,824 common shares held by an insider through Fidelity Brokerage Services on or about 08/19/2025 on NASDAQ. The filing states an aggregate market value of $392,761.92 and total shares outstanding of 107,247,651, indicating the sale represents a very small fraction of the company's outstanding stock. The shares were acquired via restricted stock vesting across 2023 and 2024 as compensation (individual lots of 22, 963, 417 and 422 shares). The filer reports no other sales in the past three months and affirms no undisclosed material information.
First Solar CEO and director Mark R. Widmar reported multiple open-market sales of 2,321 shares of First Solar, Inc. (FSLR) on 08/15/2025 under a previously adopted Rule 10b5-1 trading plan. The sales were reported in separate transactions at weighted-average prices per line ranging from $185.15 to $205.92 (individual trade price ranges spanned approximately $185.00 to $206.25 across all lines). Following these disposals, the reporting person beneficially owned 81,861 shares. The Form 4 discloses that the sales were executed in multiple trades and that the reporting person will provide breakdowns of quantities at each price on request.
Reporting person: Nathan B. Theurer, VP - Global Controller and CAO of First Solar, Inc. (FSLR). This Form 4 discloses transactions tied to the vesting of performance share units and subsequent sales under a trading plan.
What occurred: On 02/27/2025, 560 shares of common stock were acquired upon vesting of performance share units granted 03/15/2022. The issuer withheld 181 shares to satisfy tax withholding, leaving 379 shares beneficially owned. On 08/14/2025 the reporting person sold 686 shares at $182.03 per share pursuant to a Rule 10b5-1 trading plan adopted 05/15/2025; the sale included 379 shares from the February vesting and 307 shares previously reported, resulting in 0 shares owned following the sale.
Form 144 filed for First Solar, Inc. (FSLR) reports a proposed sale of 2,321 common shares through Fidelity Brokerage Services on 08/15/2025 with an aggregate market value of $462,887.29 and approximately 107,247,651 shares outstanding. The filing shows those shares were acquired via restricted stock vesting on 02/26/2025 (129 shares) and 03/06/2025 (2,192 shares) as compensation. The form also discloses recent open-market insider sales by Mark Widmar: 23,912 shares on 08/12/2025 for $4,435,095.24 and 3,796 shares on 08/13/2025 for $710,582.09. The filer affirms no undisclosed material adverse information.
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.
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