First Solar (FSLR) CCO reports RSU vesting, new grant and tax share sale

Rhea-AI Filing Summary

FIRST SOLAR, INC.'s Chief Commercial Officer Georges Antoun reported routine equity compensation activity and related share sales. On March 6, 2026, restricted stock units vested and were converted into a total of 1,870 shares of common stock from prior annual grants. He also received a new grant of 2,749 restricted stock units as part of the company’s 2026 executive equity program, each unit representing one future share of common stock upon vesting.

On March 9, 2026, 791 shares of common stock were sold at $190.36 per share to satisfy tax withholding obligations tied to the RSU vesting, rather than as a discretionary open-market sale. After these transactions, Antoun directly holds 18,784 shares of common stock and 2,749 restricted stock units, indicating he retains a substantial ongoing equity stake in First Solar.

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^*

ANTOUN GEORGES

(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 Commercial Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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	03/06/2026		M		732(1)	A	$0	18,437	D
Common Stock	03/06/2026		M		283(2)	A	$0	18,720	D
Common Stock	03/06/2026		M		379(3)	A	$0	19,099	D
Common Stock	03/06/2026		M		476(4)	A	$0	19,575	D
Common Stock	03/09/2026		S		309(5)	D	$190.36	19,266	D
Common Stock	03/09/2026		S		161(5)	D	$190.36	19,105	D
Common Stock	03/09/2026		S		201(5)	D	$190.36	18,904	D
Common Stock	03/09/2026		S		120(5)	D	$190.36	18,784	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
Restricted Stock Units	(6)	03/06/2026		M			732	(7)	(7)	Common Stock	732	$0	0	D
Restricted Stock Units	(6)	03/06/2026		M			283	(8)	(8)	Common Stock	283	$0	565	D
Restricted Stock Units	(6)	03/06/2026		M			379	(9)	(9)	Common Stock	379	$0	758	D
Restricted Stock Units	(6)	03/06/2026		M			476	(10)	(10)	Common Stock	476	$0	1,431	D
Restricted Stock Units	(6)	03/06/2026		A		2,749		(11)	(11)	Common Stock	2,749	$0	2,749	D

Explanation of Responses:

1. Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 6, 2021.

2. Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 6, 2023.

3. Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on March 6, 2024.

4. Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on March 6, 2025.

5. Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.

6. Each restricted stock unit represents the right to receive, upon vesting, one share of the Issuer's common stock in accordance with the Issuer's 2020 Omnibus Incentive Compensation Plan.

7. The restricted stock units were granted on March 6, 2021 as part of the Issuer's annual equity grant to executive officers. The restricted stock units granted on March 6, 2021 vest annually at a rate of 20% on each anniversary of the grant date, commencing on the first anniversary of the grant date.

8. The restricted stock units were granted on March 6, 2023 as part of the Issuer's annual equity grant to executive officers. The restricted stock units granted on March 6, 2023 vest annually at a rate of 20% on each anniversary of the grant date, commencing on the first anniversary of the grant date.

9. The restricted stock units were granted on March 6, 2024 as part of the Issuer's annual equity grant to executive officers. The restricted stock units granted on March 6, 2024 vest annually at a rate of 25% on each anniversary of the grant date, commencing on the first anniversary of the grant date.

10. The restricted stock units were granted on March 6, 2025 as part of the Issuer's annual equity grant to executive officers. The restricted stock units granted on March 6, 2025 vest annually at a rate of 25% on each anniversary of the grant date, commencing on the first anniversary of the grant date.

11. The restricted stock units were granted on March 6, 2026 as part of the Issuer's annual equity grant to executive officers. The restricted stock units granted on March 6, 2026 vest annually at a rate of 25% on each anniversary of the grant date, commencing on the first anniversary of the grant date.

	/s/ Jason E. Dymbort, attorney-in-fact	03/10/2026
	** Signature of Reporting Person	Date
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FAQ

What insider transactions did FSLR Chief Commercial Officer Georges Antoun report?

Georges Antoun reported RSU vesting, a new RSU grant, and related tax share sales. RSUs from prior grants converted into 1,870 common shares, a new 2,749-unit RSU award was granted, and 791 shares were sold solely to cover tax withholding obligations.

How many First Solar (FSLR) shares did Georges Antoun sell, and at what price?

A total of 791 First Solar common shares were sold at an average price of $190.36 per share. According to the disclosure, these sales were made to satisfy tax withholding obligations arising from RSU vesting, not as discretionary open-market sales for portfolio reasons.

How many First Solar (FSLR) shares does Georges Antoun hold after these transactions?

Following the reported transactions, Georges Antoun directly holds 18,784 shares of First Solar common stock. In addition, he holds 2,749 restricted stock units that can convert into an equal number of shares in the future, aligning his compensation with the company’s long-term performance.

What restricted stock unit activity did FSLR disclose for Georges Antoun?

Restricted stock units from grants dated March 6 in 2021, 2023, 2024, and 2025 partially vested, converting into 1,870 common shares. Separately, on March 6, 2026, Antoun received a new grant of 2,749 RSUs as part of First Solar’s annual equity incentive program for executive officers.

Were Georges Antoun’s FSLR share sales part of tax withholding or discretionary selling?

The filing states the 791 shares were sold by the issuer to satisfy tax withholding obligations tied to RSU vesting. This means the disposals functioned as mandatory tax payments rather than a discretionary decision by Antoun to reduce his First Solar share ownership.

How do these insider transactions affect Georges Antoun’s equity exposure to First Solar (FSLR)?

Despite tax-related share sales, Antoun’s overall equity exposure remains significant. He holds 18,784 common shares plus 2,749 RSUs granted in 2026. The combination of outright shares and unvested RSUs continues to link his compensation closely to First Solar’s future stock performance.