First Solar designs and manufactures solar photovoltaic panels, modules, and systems primarily for use in utility-scale projects. Its modules use cadmium telluride, rather than the crystalline silicon used by most of the industry to convert sunlight into electricity. The technology does not rely on Chinese crystalline silicon supply chains. Its primary manufacturing is in the US. It has additional factories in India, Malaysia, and Vietnam. Its primary markets are the US and India.
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $240 to $240.61. 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… Full note on SEC EDGAR
Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $241 to $241.61. 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… Full note on SEC EDGAR
Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $244.51 to $245.27. 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… Full note on SEC EDGAR
Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $245.83 to $246.62. 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… Full note on SEC EDGAR
Footnote F6 (price): This transaction was executed in multiple trades at prices ranging from $247.11 to $248.06. 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… Full note on SEC EDGAR
Footnote F7 (price): This transaction was executed in multiple trades at prices ranging from $248.13 to $249.11. 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… Full note on SEC EDGAR
Footnote F8 (price): This transaction was executed in multiple trades at prices ranging from $249.21 to $250.19. 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… Full note on SEC EDGAR
Footnote F9 (price): This transaction was executed in multiple trades at prices ranging from $250.21 to $251.20. 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… Full note on SEC EDGAR
Footnote F10 (price): This transaction was executed in multiple trades at prices ranging from $251.28 to $252. 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… Full note on SEC EDGAR
Footnote F11 (price): This transaction was executed in multiple trades at prices ranging from $253.73 to $254.46. 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… Full note on SEC EDGAR
Footnote F12 (price): This transaction was executed in multiple trades at prices ranging from $255.24 to $255.34. 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… Full note on SEC EDGAR
Footnote F13 (price): This transaction was executed in multiple trades at prices ranging from $242.79 to $243.73. 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… Full note on SEC EDGAR
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $230 to $230.61. 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… Full note on SEC EDGAR
Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $231.10 to $231.95. 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… Full note on SEC EDGAR
Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $232.10 to $233.07. 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… Full note on SEC EDGAR
Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $233.18 to $234.05. 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… Full note on SEC EDGAR
Footnote F6 (price): This transaction was executed in multiple trades at prices ranging from $234.34 to $235.15. 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… Full note on SEC EDGAR
Footnote F7 (price): This transaction was executed in multiple trades at prices ranging from $235.37 to $236.29. 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… Full note on SEC EDGAR
Footnote F8 (price): This transaction was executed in multiple trades at prices ranging from $236.49 to $236.56. 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… Full note on SEC EDGAR
Footnote F9 (price): This transaction was executed in multiple trades at prices ranging from $240 to $240.13. 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… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on May 1, 2025.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 15, 2022.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 15, 2022.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 15, 2022.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
Footnote F1 (shares): Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 15, 2022.
Footnote F2 (shares): Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
FIRST SOLAR, INC. (FSLR) had 17 insider filings in the last 90 days, with the most recent on 2026-10-02. The full record for FSLR runs to 162 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying FSLR stock?
No insider purchases of FSLR were filed in the last 90 days.
How many insiders are selling FSLR stock?
9 insider sales of FSLR were filed in the last 90 days, totaling $3.76M.
Where can I see FSLR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects FSLR Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
House of Representatives Periodic Transaction Reports from 2024. Senate filings are not included yet. The full history of FSLR beside its insider purchases is in the Congress Tracker.