First Solar (FSLR) CFO sells 14,696 shares in Rule 10b5-1 trades

Rhea-AI Filing Summary

FIRST SOLAR, INC. Chief Financial Officer Bradley Alexander reported selling 14,696 shares of common stock in multiple open-market transactions on March 16–17, 2026, at prices ranging from about $198 to $202 per share. These sales were executed under a previously adopted Rule 10b5-1 trading plan.

On March 13, 2026, he also exercised 1,441 restricted stock units, receiving the same number of common shares as part of an annual equity grant that vests 20% each year from a March 15, 2022 grant. Following the reported transactions, he directly holds 30,000 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).

X

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)
03/13/2026

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	03/13/2026		M		1,441(1)	A	$0	44,696	D
Common Stock	03/16/2026		S		590(2)	D	$200.8	44,106	D
Common Stock	03/17/2026(3)		S		2,958	D	$198.8(4)	41,148	D
Common Stock	03/17/2026(3)		S		5,376	D	$199.75(5)	35,772	D
Common Stock	03/17/2026(3)		S		5,075	D	$200.59(6)	30,697	D
Common Stock	03/17/2026(3)		S		346	D	$201.65(7)	30,351	D
Common Stock	03/17/2026(3)		S		351	D	$202.44(8)	30,000	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	(9)	03/13/2026		M			1,441	(10)	(10)	Common Stock	1,441	$0	1,440	D

Explanation of Responses:

1. Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 15, 2022.

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

3. This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on November 6, 2025.

4. This transaction was executed in multiple trades at prices ranging from $198.23 to $199.22 The price reported above reflects the weighted average sale price for the transactions reported on this line. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

5. This transaction was executed in multiple trades at prices ranging from $199.23 to $200.22 The price reported above reflects the weighted average sale price for the transactions reported on this line. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

6. This transaction was executed in multiple trades at prices ranging from $200.23 to $201.17. The price reported above reflects the weighted average sale price for the transactions reported on this line. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

7. This transaction was executed in multiple trades at prices ranging from $201.23 to $202.21. The price reported above reflects the weighted average sale price for the transactions reported on this line. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

8. This transaction was executed in multiple trades at prices ranging from $202.32 to $202.55. The price reported above reflects the weighted average sale price for the transactions reported on this line. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

9. 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.

10. The restricted stock units were granted on March 15, 2022 as part of the Issuer's annual equity grant to executive officers. The restricted stock units granted on March 15, 2022 are scheduled to vest annually at a rate of 20% on each anniversary of the grant date, commencing on the first anniversary of the grant date.

	/s/ Jason E. Dymbort, attorney-in-fact	03/17/2026
	** 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 trading did First Solar (FSLR) report for its CFO?

First Solar’s CFO, Bradley Alexander, reported selling 14,696 shares of common stock in multiple open-market transactions on March 16–17, 2026, and exercising 1,441 restricted stock units that vested as part of a prior equity grant.

How many First Solar (FSLR) shares did the CFO sell and at what prices?

Bradley Alexander sold 14,696 First Solar common shares in several trades at prices generally between about $198 and $202 per share. The filing notes weighted average sale prices and that individual trades occurred across specified price ranges.

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

After the reported transactions, Chief Financial Officer Bradley Alexander directly holds 30,000 shares of First Solar common stock. This figure reflects his position following both the March 2026 open-market sales and the conversion of 1,441 restricted stock units into common shares.

Were the First Solar (FSLR) CFO’s stock sales made under a Rule 10b5-1 plan?

Yes. The filing states that at least one of the reported transactions was effected under a Rule 10b5-1 trading plan that Bradley Alexander adopted on November 6, 2025, indicating the sales were pre-arranged rather than timed on a discretionary basis.

What restricted stock units vested for First Solar (FSLR) CFO in March 2026?

The CFO had 1,441 restricted stock units convert into common shares on March 13, 2026. These units were part of an annual equity grant awarded on March 15, 2022, which vests in 20% increments on each anniversary of the original grant date.

How are First Solar (FSLR) restricted stock units structured for the CFO’s grant?

Each restricted stock unit entitles the holder to receive one First Solar common share upon vesting, under the company’s 2020 Omnibus Incentive Compensation Plan. The CFO’s March 15, 2022 grant vests 20% each year on the grant’s anniversaries.