Mark Widmar sells 13,275 FSLR shares in March 2026

Mark Widmar reported proposed and recent sale activity in a Form 144 notice.

Rhea-AI Filing Summary

Mark Widmar reported proposed and recent sale activity in a Form 144 notice. The filing lists restricted stock vesting tied to compensation on 03/13/2026, and discloses sales of 7,738 shares on 03/02/2026 for $1,516,132.65 and 5,537 shares on 03/09/2026 for $1,054,048.23. The broker on record is Fidelity Brokerage Services LLC.

Insights

Equity Compensation & Insider Transactions Analyst

Form 144 shows vested compensation and insider share dispositions in March 2026.

The filing lists a restricted stock vesting event dated 03/13/2026 described as Compensation, and two reported dispositions: 7,738 shares on 03/02/2026 for $1,516,132.65 and 5,537 shares on 03/09/2026 for $1,054,048.23. The broker shown is Fidelity Brokerage Services LLC.

These entries reflect reported sales around the vesting date; timing and method of any future sales tied to the vesting are not specified. Subsequent filings may disclose additional dispositions or the plan under which shares vested.

FAQ

What sales did Mark Widmar report in the Form 144 for FSLR?

The Form 144 lists sales of 7,738 shares on 03/02/2026 for $1,516,132.65 and 5,537 shares on 03/09/2026 for $1,054,048.23. These are the transactions shown in the excerpt.

Does the filing show any restricted stock vesting for Mark Widmar?

Yes, the excerpt lists Restricted Stock Vesting dated 03/13/2026 described as Compensation. It appears tied to issuer compensation in the filing.

Which brokerage firm handled the reported transactions in the Form 144?

The broker of record shown is Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI, as listed in the filing excerpt.

Is the Form 144 filing an indication of completed sales or proposed sales?

The filing shows both reported sales on 03/02/2026 and 03/09/2026 and a restricted stock vesting entry dated 03/13/2026. It therefore includes completed dispositions and a vesting event.

Does the excerpt state the cash proceeds recipients or use of proceeds?

The excerpt does not specify who received proceeds beyond listing the seller and broker; it shows transaction amounts but does not state the recipients or use of proceeds.

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

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Accepted by SEC EDGAR 03/16/2026 - 03:35 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	0001362208
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	Widmar Mark R
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
Relationship to Issuer	Director

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	1937	388953.28	107310994	03/16/2026	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	03/13/2026	Restricted Stock Vesting	Issuer			1937	03/13/2026	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
Mark Widmar 4300 E Camelback Road, Suite 220 Phoenix AZ 85018	Common	03/02/2026	7738	1516132.65
Mark Widmar 4300 E Camelback Road, Suite 220 Phoenix AZ 85018	Common	03/09/2026	5537	1054048.23

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	03/16/2026
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/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Mark Widmar
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)