First Solar executive sells 7,000 shares under plan

Accepted by SEC EDGAR 08/05/2026 - 06:08 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

FIRST SOLAR, INC. reports that Chief Supply Chain Officer Michael Koralewski sold a total of 7,000 shares of common stock on August 3, 2026, in two open-market transactions at prices of $218.02 and $225.00 per share, pursuant to a Rule 10b5-1 trading plan adopted on May 4, 2026.

Insider Trade Summary 10b5-1

Net Seller: 7,000 shares

Net Sell 2 txns

Insider Koralewski Michael

Role Chief Supply Chain Officer

Sold 7,000 shs ($1.55M)

Share of Position Sold 47.8%

Type	Security	Shares	Price	Value
Sale	Common Stock F1	3,500	$218.02	$763K
Sale	Common Stock F1	3,500	$225.00	$788K

Holdings After Transaction: Common Stock — 7,642 shares (Direct)

Holdings Before and After: Common Stock, 14,642 to 7,642 shares (Direct)

Other Insiders: 1 other insider reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (1)

1. F1. This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on May 4, 2026.

Key Figures

Shares sold: 7,000 shares First tranche sale price: $218.02 per share Second tranche sale price: $225.00 per share +1 more

4 metrics

Shares sold 7,000 shares Total common shares sold on August 3, 2026

First tranche sale price $218.02 per share Price for 3,500 common shares sold on August 3, 2026

Second tranche sale price $225.00 per share Price for 3,500 common shares sold on August 3, 2026

Rule 10b5-1 plan adoption date May 4, 2026 Adoption date of trading plan governing the reported sales

Key Terms

Rule 10b5-1 trading plan, open market or private transaction, Chief Supply Chain Officer

3 terms

Rule 10b5-1 trading plan financial

"This transaction was effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open market or private transaction financial

"Transaction code description states sale in open market or private transaction"

Chief Supply Chain Officer other

"Reporting person is identified with the title Chief Supply Chain Officer"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did First Solar (FSLR) report in Michael Koralewski's latest Form 4?

First Solar reported that Chief Supply Chain Officer Michael Koralewski sold 7,000 shares of common stock on August 3, 2026. The sale occurred in two open-market transactions at $218.02 and $225.00 per share under a pre-established Rule 10b5-1 trading plan.

How many First Solar (FSLR) shares did Michael Koralewski sell and at what prices?

Michael Koralewski sold 7,000 First Solar shares in total. The sales were split into two tranches of 3,500 shares each, executed at prices of $218.02 per share and $225.00 per share on August 3, 2026.

Was the First Solar (FSLR) insider sale made under a Rule 10b5-1 trading plan?

Yes, the reported transactions were effected under a Rule 10b5-1 trading plan. The footnote states the plan was previously adopted by the reporting person on May 4, 2026, and the Form 4 also affirms Rule 10b5-1 plan status.

What is Michael Koralewski’s role at First Solar (FSLR) in this Form 4?

The reporting person, Michael Koralewski, is identified as First Solar’s Chief Supply Chain Officer. The Form 4 classifies him as an officer, not a director or 10% owner, and the reported trades involve his directly owned common stock.

What type of transactions did the First Solar (FSLR) Form 4 disclose?

The Form 4 discloses two open-market sales of common stock. Each transaction involved 3,500 shares, coded as “S” for sale, described as a sale in open market or private transaction, with no derivative securities reported.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Koralewski Michael

(Last) (First) (Middle)

C/O FIRST SOLAR, INC.

4300 E CAMELBACK ROAD, SUITE 220

(Street)

PHOENIX ARIZONA 85018

(City) (State) (Zip)

UNITED STATES

(Country)

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 Supply Chain Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/03/2026

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

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

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

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	08/03/2026(1)		S		3,500	D	$218.02	11,142	D
Common Stock	08/03/2026(1)		S		3,500	D	$225	7,642	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. This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on May 4, 2026.

	/s/ Jason E. Dymbort, attorney-in-fact	08/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)