First Solar (NASDAQ: FSLR) GC reports RSU vesting, new grant and tax sale

Rhea-AI Filing Summary

FIRST SOLAR, INC. General Counsel and Secretary Jason E. Dymbort reported routine equity compensation activity and related tax withholding. On March 6, 2026, restricted stock units granted in prior years vested and were converted into 3,056 shares of common stock, and he received a new grant of 2,960 restricted stock units under the company’s 2020 Omnibus Incentive Compensation Plan. On March 9, 2026, 1,305 shares of common stock were sold at $190.36 per share by the issuer to satisfy tax withholding obligations tied to the vesting. After these transactions, Dymbort directly held 18,376 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^*

Dymbort Jason E.

(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)
	General Counsel and Secretary

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		760(1)	A	$0	17,385	D
Common Stock	03/06/2026		M		471(2)	A	$0	17,856	D
Common Stock	03/06/2026		M		758(3)	A	$0	18,614	D
Common Stock	03/06/2026		M		1,067(4)	A	$0	19,681	D
Common Stock	03/09/2026		S		325(5)	D	$190.36	19,356	D
Common Stock	03/09/2026		S		202(5)	D	$190.36	19,154	D
Common Stock	03/09/2026		S		323(5)	D	$190.36	18,831	D
Common Stock	03/09/2026		S		455(5)	D	$190.36	18,376	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			760	(7)	(7)	Common Stock	760	$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			758	(9)	(9)	Common Stock	758	$0	1,515	D
Restricted Stock Units	(6)	03/06/2026		M			1,067	(10)	(10)	Common Stock	1,067	$0	3,204	D
Restricted Stock Units	(6)	03/06/2026		A		2,960		(11)	(11)	Common Stock	2,960	$0	2,960	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	03/10/2026
	** Signature of Reporting Person	Date
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FAQ

What insider transactions did FSLR executive Jason Dymbort report on this Form 4?

Jason Dymbort reported RSU vesting into common stock, a new restricted stock unit grant, and related tax-withholding share sales. These transactions are typical executive compensation events rather than discretionary open-market trading and leave him with a sizable remaining common stock position.

How many First Solar (FSLR) shares vested for Jason Dymbort and when?

On March 6, 2026, restricted stock units granted in 2021, 2023, 2024, and 2025 vested into 3,056 shares of First Solar common stock. The vesting followed scheduled annual vesting rates under the company’s 2020 Omnibus Incentive Compensation Plan for executive officers.

What new equity award did Jason Dymbort receive from First Solar (FSLR)?

On March 6, 2026, Dymbort received a grant of 2,960 restricted stock units as part of First Solar’s annual equity grant to executive officers. Each restricted stock unit represents the right to receive one share of common stock, subject to future vesting over time.

Why were 1,305 FSLR shares sold at $190.36 in Jason Dymbort’s Form 4?

The 1,305 shares of First Solar common stock sold at $190.36 per share on March 9, 2026 were sold by the issuer to cover tax withholding obligations arising from the RSU vesting. This is a tax-related disposition, not a discretionary open-market sale by the executive.

How many First Solar (FSLR) shares does Jason Dymbort hold after these transactions?

Following the March 2026 vesting, grant, and tax-withholding sale transactions, Jason Dymbort directly holds 18,376 shares of First Solar common stock. This figure reflects his remaining direct equity stake after the company’s sale of shares to satisfy tax obligations.

Are Jason Dymbort’s March 2026 FSLR transactions routine compensation events?

Yes. The filing shows RSU vesting from annual equity grants, a new restricted stock unit grant, and a share sale by the issuer solely to satisfy tax withholding. Such patterns are characteristic of scheduled executive compensation rather than opportunistic trading in the open market.