Form 144 notice: Proposed sales of common stock reported

Company submitted a Form 144 notice reporting proposed sales of common stock under Rule 144.

Rhea-AI Filing Summary

Company submitted a Form 144 notice reporting proposed sales of common stock under Rule 144. The filing lists a broker Fidelity Brokerage Services LLC and an outstanding share figure of 107,310,994 shares as of 05/05/2026. The filing records multiple prior dispositions by Nathan Theurer on 03/02/2026, 03/04/2026, 03/09/2026, 03/10/2026, 03/16/2026, and 03/17/2026 with listed quantities of 49, 92, 157, 324, 35, and 96 respectively. The securities to be sold include shares from a Restricted Stock Vesting event dated 05/01/2026 described as Compensation.

Key Figures

Shares outstanding: 107,310,994 shares Restricted stock vesting date: 05/01/2026 Disposition on 03/02/2026: 49 shares +2 more

5 metrics

Shares outstanding 107,310,994 shares as of 05/05/2026

Restricted stock vesting date 05/01/2026 Compensation-related vesting

Disposition on 03/02/2026 49 shares Recorded prior disposition by Nathan Theurer

Disposition on 03/10/2026 324 shares Recorded prior disposition by Nathan Theurer

Disposition on 03/09/2026 157 shares Recorded prior disposition by Nathan Theurer

Key Terms

Form 144, Restricted Stock Vesting, Rule 144, Disposition

4 terms

Form 144 regulatory

"Form 144 notice reporting proposed sales under Rule 144"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | 05/01/2026 | Compensation"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Rule 144 regulatory

"Form 144 notice reporting proposed sales of common stock under Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Disposition financial

"Securities Sold During The Past 3 Months — multiple dispositions listed"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does FSLR's Form 144 disclose about insider sales?

It reports proposed sales of common stock by an affiliate under Rule 144. The filing lists multiple prior dispositions by Nathan Theurer in March 2026 and a broker, Fidelity Brokerage Services LLC.

How many shares outstanding does the filing show for FSLR?

The filing lists 107,310,994 shares outstanding as of 05/05/2026. This figure appears near the broker and trading venue information as a context datum in the notice.

Were any securities issued as compensation noted in the Form 144?

Yes. The filing records a Restricted Stock Vesting event dated 05/01/2026 described as Compensation, and lists those restricted shares among the securities to be sold.

Which broker is listed for the proposed sales in the filing?

The broker named is Fidelity Brokerage Services LLC with an address at 900 Salem Street, Smithfield, RI. That broker is associated with the transactions shown in the notice.

What March 2026 dispositions are recorded in the filing?

The filing records prior dispositions by Nathan Theurer on these dates and quantities: 03/02/2026 (49), 03/04/2026 (92), 03/09/2026 (157), 03/10/2026 (324), 03/16/2026 (35), and 03/17/2026 (96).

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/05/2026 - 03:33 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002052277
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	FIRST SOLAR, INC.
SEC File Number	001-33156
Address of Issuer	4300 E CAMELBACK ROAD SUITE 220 PHOENIX ARIZONA 85018
Phone	(602) 414-9300
Name of Person for Whose Account the Securities are To Be Sold	Theurer Nathan B.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	13	2803.25	107310994	05/05/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/01/2026	Restricted Stock Vesting	Issuer			13	05/01/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Nathan Theurer 4300 E Camelback Road, Suite 220 Phoenix AZ 85018	Common	03/02/2026	49	9600.74
Nathan Theurer 4300 E Camelback Road, Suite 220 Phoenix AZ 85018	Common	03/04/2026	92	18119.40
Nathan Theurer 4300 E Camelback Road, Suite 220 Phoenix AZ 85018	Common	03/09/2026	157	29887.22
Nathan Theurer 4300 E Camelback Road, Suite 220 Phoenix AZ 85018	Common	03/10/2026	324	63406.79
Nathan Theurer 4300 E Camelback Road, Suite 220 Phoenix AZ 85018	Common	03/16/2026	35	7028.07
Nathan Theurer 4300 E Camelback Road Suite 220 Phoenix AZ 85018	Common	03/17/2026	96	19154.88

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	05/05/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Nathan Theurer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)