First Solar (FSLR) officer nets shares after PSU vesting and tax sale

Rhea-AI Filing Summary

FIRST SOLAR, INC. executive Caroline Stockdale, Chief People and Communications Officer, reported changes in her direct ownership of common stock. She acquired 3,532 shares on a grant/award basis upon the vesting of performance share units that were granted on March 6, 2023, following an approximately three-year performance period tied to specific performance objectives. In connection with this vesting, 1,650 shares were sold by the company to cover tax withholding obligations at a price of $195.93 per share. After these transactions, she directly held 32,200 shares of First Solar common stock.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Stockdale Caroline

(Last) (First) (Middle)

C/O FIRST SOLAR, INC.

4300 E CAMELBACK ROAD, SUITE 220

(Street)

PHOENIX AZ 85018

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FIRST SOLAR, INC. [ FSLR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief People and Comm. Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/27/2026		A		3,532(1)	A	$0	33,850	D
Common Stock	03/03/2026		S		1,650(2)	D	$195.93	32,200	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the acquisition of shares of common stock issued upon the vesting of the performance share units granted on March 6, 2023, which performance share unit awards vested over an approximately three-year performance period contingent upon the achievement of certain performance objectives.

2. Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the performance share units.

	/s/ Jason E. Dymbort, attorney-in-fact	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did First Solar (FSLR) report for Caroline Stockdale?

First Solar reported that Caroline Stockdale received 3,532 shares of common stock from vesting performance share units and had 1,650 shares sold to cover tax withholding. These changes reflect equity compensation and related tax settlement rather than open-market trading.

How many First Solar (FSLR) shares did Caroline Stockdale acquire and at what cost?

Caroline Stockdale acquired 3,532 shares of First Solar common stock at a stated price of $0.00 per share. These shares were issued as equity compensation upon vesting of previously granted performance share units, not purchased in the open market.

Why were 1,650 First Solar (FSLR) shares sold in Caroline Stockdale’s Form 4?

The 1,650 shares of First Solar common stock were sold by the issuer to satisfy tax withholding obligations arising from the vesting of performance share units. This is a common administrative transaction tied to equity awards, not a discretionary market sale.

What are performance share units in the context of First Solar (FSLR)?

At First Solar, the filing describes performance share units as awards that vest over an approximately three-year period, contingent on achieving specific performance objectives. When they vest, they are settled in common stock, as seen in the 3,532-share award to Caroline Stockdale.

How many First Solar (FSLR) shares does Caroline Stockdale hold after these transactions?

Following the award vesting and tax-related share sale, Caroline Stockdale directly owns 32,200 shares of First Solar common stock. This post-transaction balance reflects both the 3,532-share vesting and the 1,650-share tax withholding sale.

Was the share sale in the First Solar (FSLR) Form 4 an open-market trade?

No. Although coded as a sale, the footnote explains that the 1,650 shares were sold by the issuer specifically to cover tax withholding obligations from vesting performance share units, not as a discretionary open-market transaction by the executive.