First Solar (NASDAQ: FSLR) CFO reports RSU vesting, tax share sale and 43,255-share holding

Rhea-AI Filing Summary

FIRST SOLAR, INC. Chief Financial Officer Bradley Alexander R. reported routine equity compensation activity and related share sales. On March 6, 2026, several tranches of previously granted restricted stock units vested, converting a total of 4,217 units into common stock, and he received a new grant of 4,229 restricted stock units under the 2020 Omnibus Incentive Compensation Plan.

In connection with these vestings, 1,756 shares of common stock were sold by the issuer at $190.36 per share to satisfy tax withholding obligations, as noted in the footnotes. Following these transactions, the CFO directly holds 43,255 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^*

Bradley Alexander R.

(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 Financial 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		1,465(1)	A	$0	42,259	D
Common Stock	03/06/2026		M		471(2)	A	$0	42,730	D
Common Stock	03/06/2026		M		947(3)	A	$0	43,677	D
Common Stock	03/06/2026		M		1,334(4)	A	$0	45,011	D
Common Stock	03/09/2026		S		610(5)	D	$190.36	44,401	D
Common Stock	03/09/2026		S		196(5)	D	$190.36	44,205	D
Common Stock	03/09/2026		S		395(5)	D	$190.36	43,810	D
Common Stock	03/09/2026		S		555(5)	D	$190.36	43,255	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			1,465	(7)	(7)	Common Stock	1,465	$0	0	D
Restricted Stock Units	(6)	03/06/2026		M			471	(8)	(8)	Common Stock	471	$0	942	D
Restricted Stock Units	(6)	03/06/2026		M			947	(9)	(9)	Common Stock	947	$0	1,894	D
Restricted Stock Units	(6)	03/06/2026		M			1,334	(10)	(10)	Common Stock	1,334	$0	4,005	D
Restricted Stock Units	(6)	03/06/2026		A		4,229		(11)	(11)	Common Stock	4,229	$0	4,229	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 did First Solar (FSLR) CFO Bradley Alexander R. report in this Form 4?

He reported routine equity compensation activity, including vesting of restricted stock units into 4,217 common shares, a new grant of 4,229 restricted stock units, and related share sales to cover tax withholding obligations at $190.36 per share.

How many First Solar (FSLR) shares were sold and at what price?

A total of 1,756 First Solar common shares were sold at $190.36 per share. According to the footnotes, these shares were sold by the issuer to satisfy tax withholding obligations arising from restricted stock unit vesting, rather than as discretionary open-market sales.

How many First Solar (FSLR) shares does the CFO hold after these transactions?

After the reported transactions, the CFO directly holds 43,255 shares of First Solar common stock. This figure reflects the net position following restricted stock unit conversions into shares and the sale of 1,756 shares to cover associated tax withholding obligations.

What restricted stock units vested for the First Solar (FSLR) CFO?

Restricted stock units granted on March 6, 2021, March 6, 2023, March 6, 2024, and March 6, 2025 partially vested. These vestings converted a combined 4,217 restricted stock units into an equal number of First Solar common shares, consistent with the company’s equity incentive plan terms.

What new equity award did the First Solar (FSLR) CFO receive?

On March 6, 2026, the CFO received a grant of 4,229 restricted stock units under First Solar’s 2020 Omnibus Incentive Compensation Plan. Each unit represents a right to receive one common share upon vesting according to the plan’s stated vesting schedule and conditions.

Were the First Solar (FSLR) share sales part of a tax withholding arrangement?

Yes. The footnotes state that the 1,756 shares of common stock were sold by the issuer to satisfy tax withholding obligations tied to restricted stock unit vesting, indicating these sales were mechanistic for taxes rather than discretionary trades by the CFO.