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.
FIRST SOLAR, INC. Chief Supply Chain Officer Michael Koralewski reported routine equity compensation activity and related share disposals. On March 6, 2026, a total of 1,854 restricted stock units were exercised into the same number of common shares, reflecting scheduled vesting from grants made in 2021, 2023, 2024, and 2025 under the company’s 2020 Omnibus Incentive Compensation Plan. On the same date, he received a new annual equity grant of 1,903 restricted stock units, each representing the right to receive one share of common stock upon future vesting. On March 9, 2026, 756 common shares were sold at $190.36 per share, with a footnote stating these shares were sold by the issuer to satisfy tax withholding obligations arising from the RSU vesting. After these transactions, Koralewski directly holds 13,963 shares of common stock.
FIRST SOLAR, INC. executive Samantha L. Sloan, EVP of Corporate Affairs, reported a combination of restricted stock unit activity and related share dispositions. On March 6, 2026, several prior RSU grants partially vested, issuing multiple blocks of common stock, and she also received a new award of 1,692 restricted stock units as part of the annual equity program for executive officers. Following these vestings and exercises, her common stock holdings increased. On March 9, 2026, a total of 303 shares of common stock at $190.36 per share were sold by the issuer to satisfy tax withholding obligations tied to the RSU vesting, rather than as a discretionary open-market sale. After these transactions, Sloan directly holds 1,523 shares of First Solar common stock.
FIRST SOLAR, INC. executive Caroline Stockdale reported routine equity compensation activity. On March 6, 2026, restricted stock units vested and were exercised into 2,436 shares of common stock at a conversion price of $0.00 per share, and she received a new grant of 1,903 restricted stock units under the company’s 2020 Omnibus Incentive Compensation Plan. On March 9, 2026, a total of 1,041 shares of common stock were sold by the issuer to satisfy tax withholding obligations related to the vesting, and Stockdale held 33,595 common shares directly following these transactions, indicating a small, tax-driven reduction relative to her overall position.
FIRST SOLAR, INC. executive Nathan B. Theurer, VP – Global Controller and CAO, reported routine equity compensation activity and related tax withholding. On March 6, 2026, restricted stock units vested into 481 shares of common stock tied to grants from March 2021, 2023, 2024, and 2025, and he also received a new grant of 635 restricted stock units under the 2020 Omnibus Incentive Compensation Plan.
In connection with the RSU vesting, a total of 157 shares of common stock were sold on March 9, 2026 at $190.36 per share to satisfy tax withholding obligations, rather than as a discretionary open-market sale. Following these transactions, Theurer holds a direct position of common stock and outstanding restricted stock units as reported in the filing.
FIRST SOLAR, INC. Chief Manufacturing Officer Kuntal Kumar Verma reported routine equity compensation activity and related tax-share sales. On March 6, 2026, restricted stock units granted in prior years vested, converting into 3,289 shares of common stock, and he received a new award of 3,594 restricted stock units under the company’s 2020 Omnibus Incentive Compensation Plan.
Footnotes state that on March 9, 2026 the company sold 1,386 shares of common stock at $190.36 per share to satisfy tax withholding obligations from the vesting, rather than as a discretionary market sale. After these transactions, Verma holds 9,509 common shares directly and 3,594 restricted stock units that can settle into additional shares as they vest over time.
FIRST SOLAR, INC. Chief Executive Officer Mark R. Widmar reported a mix of equity awards, vesting, and share sales. On March 6, 2026, restricted stock units representing 13,629 shares of common stock vested and were converted into common shares, and he received a new grant of 12,685 restricted stock units under the 2020 Omnibus Incentive Compensation Plan. On March 9, 2026, he sold a total of 5,537 shares of common stock at $190.36 per share in transactions described as satisfying tax withholding obligations related to the RSU vesting. Following these transactions, Widmar held 99,879 shares of First Solar common stock directly.
Kuntal K. Verma reported proposed and recent sales of company common stock. The notice lists proposed or completed transactions totaling reported share sales of 4,540 shares on three sale dates and additional movements tied to restricted stock vesting and a brokerage entry.
Reported sale details include 03/02/2026 3,426 shares ($671,267.83), 03/04/2026 728 shares ($143,379.60), and 03/09/2026 1,386 shares ($263,845.20). The record also shows a 03/06/2026 restricted stock vesting of 408 shares and an entry listing 408 shares at $79,845.60 with Fidelity Brokerage on 03/10/2026.
First Solar, Inc. (FSLR) Rule 144 notice: proposed sale of 324 common shares related to restricted stock vesting on 03/06/2026. The filing also lists recent open-market sales by Nathan Theurer of 49, 92, and 157 shares on 03/02/2026, 03/04/2026, and 03/09/2026 respectively, with reported transaction amounts shown in the excerpt.
First Solar related party filed a Form 144 to sell shares. The notice lists a proposed sale tied to restricted stock vesting on 03/06/2026 and reports prior sales of 3,273 common shares on 03/02/2026 valued at $641,290.02.
The filing identifies Fidelity Brokerage Services LLC as the broker and classifies the vesting event as compensation. Transaction timing and amounts are stated in the excerpt.
Samantha L. Sloan reports a proposed sale of 303 common shares. The filing lists the securities to be sold as 303 common shares associated with restricted stock vesting on 03/06/2026 and shows a prior sale of 111 shares on 03/02/2026.