Markus Gloeckler - 06 Mar 2026 Form 4 Insider Report for FIRST SOLAR, INC. (FSLR)

Role
Chief Technology Officer
Signature
/s/ Jason E. Dymbort, attorney-in-fact
Issuer symbol
FSLR
Transactions as of
06 Mar 2026
Net transactions value
-$252,227
Form type
4
Filing time
10 Mar 2026, 20:56:38 UTC
Previous filing
05 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gloeckler Markus Chief Technology Officer C/O FIRST SOLAR, INC., 4300 E CAMELBACK ROAD, SUITE 220, PHOENIX /s/ Jason E. Dymbort, attorney-in-fact 10 Mar 2026 0001819680

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FSLR Common Stock Options Exercise +760 +9.5% $0.000000* 8,797 06 Mar 2026 Direct F1
transaction FSLR Common Stock Options Exercise +471 +5.4% $0.000000* 9,268 06 Mar 2026 Direct F2
transaction FSLR Common Stock Options Exercise +852 +9.2% $0.000000* 10,120 06 Mar 2026 Direct F3
transaction FSLR Common Stock Options Exercise +1,067 +11% $0.000000* 11,187 06 Mar 2026 Direct F4
transaction FSLR Common Stock Sale $60,915 -320 -2.9% $190.36 10,867 09 Mar 2026 Direct F5
transaction FSLR Common Stock Sale $37,882 -199 -1.8% $190.36 10,668 09 Mar 2026 Direct F5
transaction FSLR Common Stock Sale $68,149 -358 -3.4% $190.36 10,310 09 Mar 2026 Direct F5
transaction FSLR Common Stock Sale $85,281 -448 -4.3% $190.36 9,862 09 Mar 2026 Direct F5

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction FSLR Restricted Stock Units Options Exercise -760 -100% $0.000000* 0 06 Mar 2026 Common Stock 760 Direct F6, F7
transaction FSLR Restricted Stock Units Options Exercise -471 -33% $0.000000* 942 06 Mar 2026 Common Stock 471 Direct F6, F8
transaction FSLR Restricted Stock Units Options Exercise -852 -33% $0.000000* 1,705 06 Mar 2026 Common Stock 852 Direct F6, F9
transaction FSLR Restricted Stock Units Options Exercise -1,067 -25% $0.000000* 3,204 06 Mar 2026 Common Stock 1,067 Direct F6, F10
transaction FSLR Restricted Stock Units Award +3,066 $0.000000* 3,066 06 Mar 2026 Common Stock 3,066 Direct F6, F11
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 6, 2021.
F2 Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 6, 2023.
F3 Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on March 6, 2024.
F4 Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on March 6, 2025.
F5 Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
F6 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.
F7 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.
F8 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.
F9 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.
F10 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.
F11 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.