Form 144: 420 restricted shares reported for sale

Fidelity Brokerage Services LLC submitted a Form 144 reporting an intended sale of 420 shares of Common Stock tied to Restricted Stock Vesting with an effective date of 05/01/2026.

Rhea-AI Filing Summary

Fidelity Brokerage Services LLC submitted a Form 144 reporting an intended sale of 420 shares of Common Stock tied to Restricted Stock Vesting with an effective date of 05/01/2026. The filing also lists four open-market sales by Markus Gloeckler in March 2026 with specific share counts and gross proceeds for each trade.

Key Figures

Intended sale: 420 shares Sale - 3/2/2026: 3,425 shares Sale - 3/4/2026: 3,640 shares +2 more

5 metrics

Intended sale 420 shares Restricted Stock Vesting, 05/01/2026

Sale - 3/2/2026 3,425 shares Gross proceeds $671,071.90

Sale - 3/4/2026 3,640 shares Gross proceeds $716,898.00

Sale - 3/9/2026 1,325 shares Gross proceeds $252,232.97

Sale - 3/16/2026 368 shares Gross proceeds $73,895.10

Key Terms

Restricted Stock Vesting, Securities To Be Sold, Securities Sold During The Past 3 Months

3 terms

Restricted Stock Vesting financial

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

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.

Securities To Be Sold regulatory

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

FAQ

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

What does the Form 144 for FSLR report?

The Form 144 reports an intended sale of 420 shares of Common Stock linked to Restricted Stock Vesting dated 05/01/2026. It also discloses four March 2026 sales by Markus Gloeckler with share counts and gross proceeds.

Who is listed as the filer and broker on the Form 144?

The filing lists Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI, as the broker/filing agent. The securities are identified as Common Stock to be sold on NASDAQ with the 05/01/2026 vesting date.

What March 2026 sales by Markus Gloeckler are disclosed?

Four open-market sales are disclosed: 3/2/2026 – 3,425 shares for $671,071.90; 3/4/2026 – 3,640 shares for $716,898.00; 3/9/2026 – 1,325 shares for $252,232.97; 3/16/2026 – 368 shares for $73,895.10.

Is the 420-share sale described as compensation-related?

Yes. The 420 shares are tied to Restricted Stock Vesting and are labeled under the filing as Compensation, with the issuer listed as the source and the vesting date of 05/01/2026.

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

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Accepted by SEC EDGAR 05/05/2026 - 03:43 PM 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	0001819680
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	Gloeckler Markus
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	420	90566.45	107453363	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			420	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
Markus Gloeckler 4300 E Camelback Road Suite 220 Phoenix AZ 85018	Common	03/02/2026	3425	671071.90
Markus Gloeckler 4300 E Camelback Road Suite 220 Phoenix AZ 85018	Common	03/04/2026	3640	716898.00
Markus Gloeckler 4300 E Camelback Road Suite 220 Phoenix AZ 85018	Common	03/09/2026	1325	252232.97
Markus Gloeckler 4300 E Camelback Road Suite 220 Phoenix AZ 85018	Common	03/16/2026	368	73895.10

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/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Markus Gloeckler
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)