FIRST SOLAR, INC. SEC Filings

First Solar, Inc. Chief Product Officer Patrick James Buehler reported two stock transactions. On February 27, 2026, he acquired 2,826 shares of common stock at no cost upon vesting of performance share units granted on March 6, 2023, after an approximately three-year performance period. On March 3, 2026, 1,361 shares were sold by the company to satisfy tax withholding obligations related to this vesting at an average price of $195.93 per share. Following these transactions, Buehler directly owned 5,863 shares of First Solar common stock.

FIRST SOLAR, INC. executive Samantha L. Sloan reported two transactions in the company’s common stock. On February 27, 2026, she acquired 211 shares at $0.00 per share, issued upon vesting of performance share units originally granted on March 6, 2023 after an approximately three-year performance period tied to specified performance objectives. On March 3, 2026, 111 shares were sold by the issuer at $195.93 per share to cover tax withholding obligations related to that vesting, leaving her with 1,145 shares of directly held common stock.

First Solar Chief Supply Chain Officer Michael Koralewski reported two stock transactions involving company common shares. On February 27, 2026, he acquired 2,826 shares at no cost from the vesting of performance share units that were granted on March 6, 2023 and tied to multi-year performance goals. On March 3, 2026, 1,330 shares were sold by the company to cover tax withholding obligations related to that vesting, a disposition that did not represent an open-market sale by Koralewski. After these transactions, he directly held 12,865 shares of First Solar common stock.

First Solar, Inc.’s Chief Technology Officer Markus Gloeckler reported performance-based equity vesting and related tax-share withholding. On February 27, 2026, he acquired 7,065 shares of common stock at $0 per share upon vesting of performance share units granted on March 6, 2023, which vested over an approximately three-year period contingent on performance objectives. On March 3, 2026, 3,425 shares of common stock were sold by the issuer at $195.93 per share to satisfy tax withholding obligations from that vesting. After these transactions, Gloeckler directly owned 11,677 common shares.

FIRST SOLAR, INC. executive Nathan B. Theurer reported two stock transactions involving company common shares. On February 27, he acquired 141 shares at no cost through the vesting of performance share units granted on March 6, 2023, following an approximately three-year performance period tied to specific performance goals. On March 3, 49 shares were sold by the company to cover tax withholding obligations related to that vesting, leaving him with 92 shares of common stock held directly.

First Solar, Inc.’s Chief Manufacturing Officer Kuntal Kumar Verma reported equity compensation activity tied to performance share units. On February 27, 2026, he acquired 7,065 shares of common stock at $0 upon vesting of performance share units granted on March 6, 2023, after an approximately three-year performance period contingent on achieving certain performance objectives. On March 3, 2026, 3,426 shares of common stock were sold by the issuer at an average price of $195.93 to satisfy tax withholding obligations related to this vesting. After these transactions, he directly owned 8,334 common shares.

First Solar, Inc. General Counsel and Secretary Jason E. Dymbort reported both an equity award vesting and a related share sale. On February 27, 2026, he acquired 7,065 shares of common stock at $0.00 per share from the vesting of performance share units granted on March 6, 2023, after a roughly three-year performance period tied to specific performance objectives. On March 3, 2026, 3,273 shares of common stock were sold at an average price of $195.93 per share to satisfy tax withholding obligations arising from that vesting. A footnote also notes that his reported beneficial ownership was reduced by 7,616 shares previously transferred under a domestic relations order, which he no longer reports as beneficially owned.

First Solar, Inc. Chief Executive Officer Mark R. Widmar reported a mix of equity award vesting and related tax withholding activity. He acquired 17,664 shares of common stock on a grant or award basis on February 27, 2026, representing shares issued upon vesting of performance share units granted on March 6, 2023, after an approximately three-year performance period tied to performance objectives. On March 3, 2026, 7,738 shares of common stock were sold by the issuer to satisfy tax withholding obligations arising from that vesting, rather than as a discretionary open-market sale. Following these transactions, Widmar directly owned 91,787 shares of First Solar common stock.

FIRST SOLAR, INC. executive Caroline Stockdale, Chief People and Communications Officer, reported changes in her direct ownership of common stock. She acquired 3,532 shares on a grant/award basis upon the vesting of performance share units that were granted on March 6, 2023, following an approximately three-year performance period tied to specific performance objectives. In connection with this vesting, 1,650 shares were sold by the company to cover tax withholding obligations at a price of $195.93 per share. After these transactions, she directly held 32,200 shares of First Solar common stock.