Form 144: 31-Share Proposed Sale by First Solar

First Solar submitted a Form 144 notice for a proposed sale of 31 shares of Common stock tied to restricted stock vesting on 05/01/2026.

Rhea-AI Filing Summary

First Solar submitted a Form 144 notice for a proposed sale of 31 shares of Common stock tied to restricted stock vesting on 05/01/2026. The filing itemizes recent open-market sales by Nathan Theurer: 49 shares on 03/02/2026 for $9,600.74; 92 shares on 03/04/2026 for $18,119.40; 157 shares on 03/09/2026 for $29,887.22; 324 shares on 03/10/2026 for $63,406.79; 35 shares on 03/16/2026 for $7,028.07; 96 shares on 03/17/2026 for $19,154.88; and 13 shares on 05/05/2026 for $2,803.25.

Key Figures

Proposed sale: 31 shares Sale on 03/10/2026: 324 shares Sale on 03/09/2026: 157 shares +2 more

5 metrics

Proposed sale 31 shares Restricted Stock Vesting dated 05/01/2026

Sale on 03/10/2026 324 shares Sale by Nathan Theurer for $63,406.79

Sale on 03/09/2026 157 shares Sale by Nathan Theurer for $29,887.22

Sale on 03/04/2026 92 shares Sale by Nathan Theurer for $18,119.40

Sale on 05/05/2026 13 shares Sale by Nathan Theurer for $2,803.25

Key Terms

Form 144, Restricted Stock Vesting, Proposed sale

3 terms

Form 144 regulatory

"Form 144 notice for proposed sale of 31 shares"

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 dated 05/01/2026"

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.

Proposed sale regulatory

"Securities To Be Sold 31 05/01/2026 Issuer Compensation"

FAQ

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

What does FSLR's Form 144 report?

The filing reports a proposed sale of 31 shares of Common stock tied to restricted stock vesting on 05/01/2026. It lists prior sales by an affiliate across March and May 2026 with transaction amounts specified in dollars.

Who sold shares recently according to the filing?

Nathan Theurer is listed for multiple sales: 49 shares on 03/02/2026 ($9,600.74) through 13 shares on 05/05/2026 ($2,803.25). The filing provides per‑trade share counts and dollar amounts for each date.

Are the proposed sales linked to compensation or vesting?

Yes. The 31 shares identified for sale are tied to Restricted Stock Vesting with an issuer designation dated 05/01/2026. The filing explicitly ties that lot to compensation/vesting treatment.

Does the Form 144 show aggregate proceeds or remaining holdings?

No aggregate proceeds or post‑transaction holdings are provided. The filing lists individual trade sizes and dollar amounts for each date; it does not state total proceeds or remaining beneficial ownership.

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

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Accepted by SEC EDGAR 05/06/2026 - 09:59 AM EDT 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	31	6762.96	107453363	05/06/2026	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			31	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
Nathan Theurer 4300 E Camelback Road Suite 220 Phoenix AZ 85018	Common	05/05/2026	13	2803.25

144: Remarks and Signature

Remarks
Date of Notice	05/06/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/15/2025
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/ Eric Janiak, 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)