FIRST SOLAR, INC. — Director's Dealing 2026

Jan 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST SOLAR, INC. (FSLR)
CIK: 0001274494
Period of Report: 2026-01-15

Reporting Person: Sloan Samantha L. (EVP, Corporate Affairs)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-15	Common Stock	M	234	—	Acquired	1124	Direct
2026-01-15	Common Stock	F	79	$243.64	Disposed	1045	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-15	Restricted Stock Units	$	M	234	Disposed		Common Stock (234)	Direct

Footnotes

F1: Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on January 15, 2024.

F2: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.

F3: 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.

F4: The restricted stock units were granted on January 15, 2024 as part of the Issuer's incentive program to certain associates. The restricted stock units granted on January 15, 2024 vest annually at a rate of 25% on each anniversary of the grant date, commencing on the first anniversary of the grant date.