First Solar, Inc. Form 4 Filings

FIRST SOLAR, INC. (FSLR) reported that Chief Technology Officer Markus Gloeckler sold 800 shares of common stock on September 1, 2026 in a sale described as an open market or private transaction at $200 per share. After this transaction, he directly holds 5,842 shares. The sale was carried out under a Rule 10b5-1 trading plan adopted on May 4, 2026.

FIRST SOLAR, INC. (FSLR) executive Samantha L. Sloan reported equity compensation activity and a small related sale. On August 14, 2026, 437 restricted stock units vested and were converted into 437 shares of common stock, leaving 1,314 restricted stock units outstanding from that grant. On August 17, 2026, 127 common shares were sold at $222.95 per share, with the company noting these shares were sold to satisfy tax withholding obligations tied to the RSU vesting.

FIRST SOLAR, INC. executive Jason E. Dymbort, General Counsel and Secretary, reported a sale of 3,700 shares of common stock on August 11, 2026 at a price of $249.38 per share in an open-market or private transaction. Following this transaction, he directly holds 5,624 shares of First Solar common stock. The trade was effected pursuant to a Rule 10b5-1 trading plan previously adopted on May 12, 2026.

First Solar, Inc. Chief Technology Officer Markus Gloeckler reported open-market or private sales of 4,254 shares of Common Stock. He sold 2,625.0000 shares at $218.0200 and 800.0000 shares at $222.0000 on August 3, 2026, and 829.0000 shares at $248.0000 on August 4, 2026. All transactions were executed under a previously adopted Rule 10b5-1 trading plan dated May 4, 2026.

FIRST SOLAR, INC. reports that Chief Supply Chain Officer Michael Koralewski sold a total of 7,000 shares of common stock on August 3, 2026, in two open-market transactions at prices of $218.02 and $225.00 per share, pursuant to a Rule 10b5-1 trading plan adopted on May 4, 2026.

First Solar director Michael J. Ahearn reported that 44,584 shares of common stock were moved from a trust into his direct account on July 17, 2026 and on August 4, 2026 were gifted to the Ahearn Family Foundation, a 501(c)(3) where he is a trustee. After the gift he holds 66,057 shares directly and 3,273 shares indirectly through a trust; no compensation was received for the gift.

Ahearn Michael J reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Michael J. Ahearn reported routine equity compensation and updated holdings. He received a grant of 313 shares of common stock as quarterly equity compensation for non-associate directors, bringing his direct holdings to 66,057 shares. A separate entry shows 47,857 shares held indirectly by a trust, reflecting his additional indirect ownership position.

FIRST SOLAR, INC. director Anita M. George reported routine equity compensation transactions in company stock. She received a grant of 223 shares of common stock as part of the quarterly equity compensation paid to non-associate directors. To cover tax withholding obligations arising from this grant, 67 shares of common stock were withheld by the company. After these transactions, she directly holds 5,171 shares of First Solar common stock.

KRO LISA A reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Lisa A. Kro, through a trust, received a grant of 223 shares of common stock as quarterly equity compensation for non-associate directors. The award was at no cash cost per share and brings her indirect holdings to 4,599 shares.

MORGAN CURTIS A reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Curtis A. Morgan received a grant of 223 shares of common stock on June 30, 2026.

The shares were awarded at a price of $0.00 per share as quarterly equity compensation for the company’s non-associate directors, bringing Morgan’s directly held stake to 223 shares following the grant.

FIRST SOLAR, INC. director William J. Post reported an indirect acquisition of 223 shares of common stock through the Post Family Trust. The shares were granted as quarterly equity compensation to the company’s non-associate directors and carried no cash purchase price. Following this grant, the trust’s indirect holdings reported for Mr. Post totaled 27,385 shares of common stock.

FIRST SOLAR, INC. director Paul H. Stebbins reported an indirect acquisition of 223 shares of common stock on behalf of the Stebbins Family Trust. The shares were granted at a price of $0.00 per share as quarterly equity compensation for the company’s non-associate directors, bringing the trust’s holdings to 15,950 shares.

Sweeney Michael T reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Michael T. Sweeney received a grant of 223 shares of common stock as quarterly equity compensation for non-associate directors. The award was made at no cash cost to him and increased his direct holdings to 14,325 shares.

RENDUCHINTALA VENKATA S M reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Venkata S. M. Renduchintala received a grant of 223 shares of Common Stock as quarterly equity compensation for non-associate directors. The shares were awarded at no cost per share, increasing his directly held position to 2,133 shares of Common Stock.

Wright Norman L. reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Norman L. Wright received a grant of 223 shares of common stock as quarterly equity compensation for non-associate directors. The award was priced at $0.00 per share, meaning it was a compensation grant rather than an open-market purchase. Following this grant, Wright directly owns 5,009 shares of First Solar common stock.

First Solar, Inc.'s Chief Product Officer Patrick James Buehler reported an open-market sale of 3,000 shares of Common Stock at $302 per share on June 2, 2026. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 4, 2026. Following this sale, he directly holds 4,406 shares of First Solar common stock.

FIRST SOLAR, INC. executive Caroline Stockdale, Chief People and Communications Officer, sold 10,628 shares of Common Stock in an open-market transaction at $275.60 per share on May 28, 2026.

The sale was effected under a previously adopted Rule 10b5-1 trading plan dated February 27, 2026, indicating it was pre-planned. Following this transaction, Stockdale directly holds 23,792 shares of First Solar common stock.

First Solar, Inc. Chief Executive Officer Mark R. Widmar reported open-market sales of 7,172 shares of Common Stock. The transactions took place over 17 separate trades on May 22 and May 26, 2026, at sale prices generally ranging from about $250 to $276 per share.

All of these sales were executed under a pre-arranged Rule 10b5-1 trading plan that Widmar previously adopted on November 6, 2025. The filing shows only sales and no option exercises or gifts, and he continues to hold a substantial direct equity stake after these transactions.

FIRST SOLAR, INC. Chief Manufacturing Officer Kuntal Kumar Verma reported an open-market sale of 582 shares of Common Stock at $250.00 per share on May 21, 2026. The transaction was made under a pre-arranged Rule 10b5-1 trading plan adopted on November 26, 2025.

Following this sale, Verma directly holds 4,967 shares of First Solar common stock. A Rule 10b5-1 plan allows insiders to schedule trades in advance, which can make the timing of these sales more routine and less tied to short-term market developments.

FIRST SOLAR, INC. Chief Executive Officer Mark R. Widmar reported a series of open-market sales of the company’s Common Stock. On May 21, 2026, he sold a total of 4,815 shares in multiple transactions at prices generally between about $240 and $256.96 per share. The filing states these trades were executed under a previously adopted Rule 10b5-1 trading plan dated November 6, 2025, meaning the sales were pre-scheduled rather than newly decided on that day. All transactions involved non-derivative Common Stock, and the Form 4 shows that he continues to hold shares directly after these sales.

FIRST SOLAR, INC. Chief Executive Officer Mark R. Widmar reported open-market sales of company common stock totaling 11,226 shares. The sales occurred on May 11 and May 13, 2026 at reported prices ranging from about $230.18 to $240.02 per share.

After these transactions, Widmar directly holds 93,848 shares of First Solar common stock. The filing notes that at least one transaction was executed under a previously adopted Rule 10b5-1 trading plan and that several sales were carried out in multiple trades, with prices reported as weighted averages.

FIRST SOLAR, INC. Chief Manufacturing Officer Kuntal Kumar Verma reported selling shares of the company’s Common Stock in a series of open-market transactions. On May 13, 2026, he sold 1,455 shares at $240.00 per share. On May 11, 2026, he sold 1,864 shares at $225.00 per share and 352 shares at $230.00 per share.

Across these three trades, Verma sold a total of 3,671 shares and held 5,549 shares of Common Stock directly after the most recent transaction. The filing notes that at least one of the transactions was carried out under a Rule 10b5-1 trading plan previously adopted by Verma.

FIRST SOLAR, INC. insider activity: Chief Manufacturing Officer Kuntal Kumar Verma sold 270 shares of Common Stock in an open-market transaction on May 6, 2026 at an average price of $218.16 per share. Following this sale, Verma directly holds 9,220 shares of First Solar stock. The transaction was effected pursuant to a previously adopted Rule 10b5-1 trading plan dated November 26, 2025, indicating it was pre-scheduled rather than a discretionary trade.

FIRST SOLAR, INC. executive Nathan B. Theurer, VP – Global Controller and CAO, completed an open-market sale of 31 shares of Common Stock at $218.16 per share. The sale left him with 0 directly held shares reported in this filing and was executed under a pre-established Rule 10b5-1 trading plan previously adopted on May 15, 2025.

FIRST SOLAR, INC. General Counsel and Secretary Jason E. Dymbort reported an open-market sale of 228 shares of common stock at $218.16 per share on May 6, 2026. After this sale, he directly holds 9,324 shares.

The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan previously adopted by Dymbort. A separate adjustment reduced his reported beneficial ownership by 857 shares transferred under a domestic relations order related to his divorce.

First Solar Chief Commercial Officer Georges Antoun reported routine equity compensation activity. On May 4, 2026, 1,358 restricted stock units vested and converted into the same number of First Solar common shares under the company’s 2020 Omnibus Incentive Compensation Plan.

In connection with this vesting, 566 common shares were sold by First Solar on May 5, 2026 to satisfy tax withholding obligations, rather than as a discretionary open‑market sale by Antoun. After these transactions, he directly holds 19,918 First Solar common shares and 4,074 restricted stock units.

First Solar Chief Financial Officer Alexander R. Bradley reported routine equity compensation activity and related tax settlement. On May 4, 1,210 restricted stock units granted on May 1, 2025 vested, issuing the same number of common shares under the company’s 2020 Omnibus Incentive Compensation Plan.

In connection with this vesting, 498 common shares were sold by the company to satisfy tax withholding obligations, rather than as a discretionary open-market sale. Following these transactions, Bradley directly holds 30,712 shares of First Solar common stock and 3,630 restricted stock units that continue to vest in 25% annual installments.

FIRST SOLAR, INC. Chief Supply Chain Officer Michael Koralewski reported routine equity compensation activity and a small related share sale. On May 4, 2026, 518 shares of common stock were issued upon vesting of restricted stock units granted on May 1, 2025, with each unit converting into one share under the 2020 Omnibus Incentive Compensation Plan.

On the same date, his restricted stock unit balance changed to 1,556 units, which continue to vest annually at a rate of 25% on each anniversary of the May 1, 2025 grant. On May 5, 2026, 215 shares of common stock were sold at $215.63 per share to satisfy tax withholding obligations tied to the vesting, leaving him with 14,642 common shares held directly.

FIRST SOLAR, INC. Chief Product Officer Patrick James Buehler reported routine equity compensation activity. On May 4, 2026, 553 restricted stock units vested, converting into 553 shares of common stock. These RSUs represent 25% of an award granted on May 1, 2025 that vests annually in 25% installments.

In connection with this vesting, 235 shares of common stock were sold by the issuer to satisfy tax withholding obligations, rather than as a discretionary market sale. After these transactions, Buehler directly holds 7,406 shares of common stock and 1,660 restricted stock units that will settle into shares upon future vesting.

First Solar, Inc. General Counsel and Secretary Jason E. Dymbort reported routine equity compensation activity. On May 4, 2026, 968 shares of common stock were issued upon vesting of restricted stock units that were granted on May 1, 2025 under the company’s 2020 Omnibus Incentive Compensation Plan.

In a related step, 409 shares of common stock were sold by the company to satisfy tax withholding obligations tied to this vesting, rather than as a discretionary open-market sale. Following these transactions, Dymbort directly holds 10,409 shares of common stock and 2,904 restricted stock units, indicating a net increase in his equity stake.

FIRST SOLAR, INC. Chief Technology Officer Markus Gloeckler reported routine equity-compensation activity involving restricted stock units and related tax withholding.

On May 4, 2026, 968 restricted stock units granted on May 1, 2025 vested, and 968 shares of common stock were issued. These units are part of an annual equity grant that vests 25% on each anniversary of the grant date under the company’s 2020 Omnibus Incentive Compensation Plan.

In connection with this vesting, 420 shares of common stock were sold at $215.63 per share by the issuer to satisfy tax withholding obligations, rather than as a discretionary open-market sale. After these transactions, Gloeckler directly owns 10,896 shares of First Solar common stock and continues to hold 2,904 restricted stock units.

FIRST SOLAR, INC. executive Samantha L. Sloan, EVP of Corporate Affairs, reported routine equity compensation activity tied to restricted stock units. On May 4, 2026, she acquired 44 shares of common stock at $0.00 per share upon vesting of restricted stock units granted on May 1, 2025 under the company’s 2020 Omnibus Incentive Compensation Plan. On May 5, 2026, 19 shares of common stock were sold at $215.63 per share by the issuer to satisfy tax withholding obligations related to the vesting. After these transactions, she held 1,708 shares of common stock directly and 134 restricted stock units.

First Solar, Inc. reported a Form 4 for executive Caroline Stockdale, its Chief People and Communications Officer. On May 4, 2026, 622 restricted stock units granted on May 1, 2025 vested, converting into the same number of common shares under the company’s 2020 Omnibus Incentive Compensation Plan.

In connection with this vesting, 262 common shares were sold by the company at $215.63 per share to satisfy tax withholding obligations, a non‑discretionary transaction. After these events, Stockdale directly holds 34,420 shares of First Solar common stock and 1,867 restricted stock units that will vest over future anniversaries of the grant date.

FIRST SOLAR, INC. executive Nathan B. Theurer, VP – Global Controller and CAO, reported routine equity compensation activity tied to restricted stock units. On May 4, 2026, 44 shares of common stock were issued upon vesting of 25% of his May 1, 2025 RSU grant. Each RSU converts into one share under the company’s 2020 Omnibus Incentive Compensation Plan.

To satisfy tax withholding obligations from this vesting, the issuer sold 13 shares of common stock at $215.63 per share on May 5, 2026. After these transactions, Theurer directly holds 31 shares of common stock and 134 restricted stock units. The filing reflects compensation-related vesting and tax withholding rather than discretionary open‑market trading.

First Solar, Inc. Chief Manufacturing Officer Kuntal Kumar Verma reported routine equity compensation activity. On May 4, 2026, 1,106 shares of common stock were issued upon vesting of restricted stock units granted on May 1, 2025. In connection with this vesting, 479 shares were sold by First Solar to cover tax withholding obligations, a non-discretionary transaction. After these transactions, Verma directly held 9,490 shares of common stock.

First Solar, Inc. Chief Executive Officer Mark R. Widmar reported routine equity compensation activity involving restricted stock units and related tax withholding. On May 4, 2026, 3,802 restricted stock units vested, issuing the same number of common shares at a stated price of $0.00 per share under the 2020 Omnibus Incentive Compensation Plan.

In connection with this vesting, 1,526 common shares were sold by the company to satisfy tax withholding obligations, rather than as a discretionary open-market sale. Following these transactions, Widmar directly owns 105,074 shares of First Solar common stock and holds 11,407 restricted stock units that remain subject to future vesting.

First Solar, Inc.'s Chief Manufacturing Officer, Kuntal Kumar Verma, sold 573 shares of Common Stock in an open-market transaction on April 15, 2026 at $210.00 per share. The sale was executed under a pre-arranged Rule 10b5-1 trading plan previously adopted by the insider. Following this transaction, Verma directly holds 8,863 First Solar shares, indicating he retained the vast majority of his position.

FIRST SOLAR, INC. director Paul H. Stebbins reported an indirect acquisition of 267 shares of common stock by the Stebbins Family Trust on 2026-03-31. The grant was issued at $0.00 per share as part of the quarterly equity compensation paid to the company’s non-associate directors.

After this award, the Stebbins Family Trust holds 15,727 shares of First Solar common stock indirectly attributed to Stebbins.

FIRST SOLAR, INC. director William J. Post reported an acquisition of common stock through the Post Family Trust. On the reported date, the trust received a grant of 267 shares of First Solar common stock as quarterly equity compensation for non-associate directors, at a stated price of $0.00 per share. Following this award, the Post Family Trust held 27,162 shares of First Solar common stock indirectly attributed to Post.

Sweeney Michael T reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Michael T. Sweeney received a grant of 267 shares of common stock on March 31, 2026 as equity compensation. The shares were awarded at no cash cost per share, reflecting part of the company’s quarterly equity compensation for non-associate directors.

Following this grant, Sweeney directly holds 14,102 shares of First Solar common stock. This is a routine, compensation-related stock award rather than an open-market purchase or sale.

First Solar director Lisa A. Kro, through a trust, acquired 267 shares of First Solar common stock on a grant basis as part of quarterly equity compensation for non-associate directors. Following this award, the trust holds a total of 4,376 shares indirectly.

Wright Norman L. reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Norman L. Wright received a grant of 267 shares of Common Stock as quarterly equity compensation for non-associate directors. The shares were awarded at no cash cost per share. Following this grant on March 31, 2026, Wright directly holds 4,786 Common Stock shares.

George Anita M. reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Anita M. George received a grant of 267 shares of Common Stock as quarterly equity compensation for non-associate directors. The grant was made at a stated price of $0.00 per share as an equity award, not an open-market purchase. Following this grant, she directly holds 5,015 shares of First Solar common stock.

RENDUCHINTALA VENKATA S M reported acquisition or exercise transactions in this Form 4 filing.

FIRST SOLAR, INC. director Venkata S. M. Renduchintala received a grant of 267 shares of Common Stock as quarterly equity compensation for non-associate directors. After this award, the director directly holds 1,910 shares of First Solar common stock.

Ahearn Michael J reported acquisition or exercise transactions in this Form 4 filing.

First Solar director Michael J. Ahearn reported a grant of 374 shares of Common Stock as quarterly equity compensation for non-associate directors. The shares were awarded at no cash cost to him. Following this grant, he directly holds 65,744 First Solar shares.

He also reported indirect ownership of 47,857 First Solar shares held by a trust.

First Solar Chief Executive Officer Mark R. Widmar reported routine equity compensation activity. On March 13, 2026, 4,856 restricted stock units granted on March 15, 2022 vested, converting into the same number of common shares under the company’s 2020 Omnibus Incentive Compensation Plan.

On March 16, 2026, 1,937 of these shares were sold by First Solar at $200.80 per share to cover tax withholding obligations related to the vesting, rather than a discretionary market sale by Widmar. Following these transactions, he directly holds 102,798 shares of First Solar common stock.

FIRST SOLAR, INC. Chief Manufacturing Officer Kuntal Kumar Verma reported compensation-related stock activity tied to a prior equity grant. On March 13, 2026, 907 restricted stock units granted on March 15, 2022 vested and were converted into the same number of common shares at a stated price of $0.0000 per share.

To cover tax withholding from this vesting, 392 shares of common stock were sold at $200.80 per share on March 16, 2026 and 180 shares at $199.53 per share on March 17, 2026, in transactions described as effected under a previously adopted Rule 10b5-1 trading plan. Following these transactions, Verma directly held 9,436 shares of First Solar common stock.

FIRST SOLAR, INC. executive Nathan B. Theurer, VP – Global Controller and CAO, reported routine equity compensation activity. On March 13, 2026, 131 restricted stock units vested, converting into 131 shares of common stock under the company’s 2020 Omnibus Incentive Compensation Plan.

On March 16 and 17, 2026, all 131 shares of common stock were sold at prices of $200.80 and $199.53 per share. Footnotes state these shares were sold by the company to satisfy tax withholding obligations tied to the vesting, and that the transactions occurred under a previously adopted Rule 10b5-1 trading plan. After these transactions, the filing shows Theurer with no directly held common shares.

FIRST SOLAR, INC. executive Caroline Stockdale reported routine equity compensation activity. On March 13, 2026, 800 shares of common stock were issued to her upon vesting of restricted stock units granted on March 15, 2022 under the 2020 Omnibus Incentive Compensation Plan. In connection with this vesting, 335 shares of common stock were sold by the company on March 16, 2026 to satisfy tax withholding obligations, rather than as a discretionary market sale. Following these transactions, Stockdale directly holds 34,060 shares of First Solar common stock.