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FIRST SOLAR, INC. (FSLR) S&P 500 XNAS SEMICONDUCTORS & RELATED DEVICES Net insider selling (90d)
Latest FSLR Insider Trades
About FIRST SOLAR, INC. (FSLR) First Solar designs and manufactures solar photovoltaic panels, modules, and systems for use in utility-scale development projects. The company's solar modules use cadmium telluride to convert sunlight into electricity. This is commonly called thin-film technology. First Solar is the world's largest thin-film solar module manufacturer. It has production lines in Vietnam, Malaysia, the United States, and India.
Headquarters PHOENIX, AZ
Employees 7,900
Listed 2006
Exchange XNAS https://www.firstsolar.com SEC filings for FSLR on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 8 18,081 $4.36M Grant or award 9 2,097 Option exercise 2 874
FSLR Insider Transactions (Form 4) 130 150 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 2 of 3.
Date Insider Transaction Security Shares Price Value May 4, 2026 SS Samantha L. Sloan - Officer Option exercise Common Stock 44
Recent FSLR Form 8-K Filings 4
Recent FSLR Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 17, 2026 Sloan Samantha L. Officer 127 $28K View on EDGAR Aug 11, 2026 Dymbort Jason E. Officer
FSLR Insider Trading - FAQ
What is the latest insider trade for FSLR? FIRST SOLAR, INC. (FSLR) had 15 insider filings in the last 90 days, with the most recent on 2026-08-18. The full record for FSLR runs to 150 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
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? 8 insider sales of FSLR were filed in the last 90 days, totaling $4.36M.
Where can I see FSLR SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks FSLR Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow FSLR insider buys? Create a free InsiderAlpha account and press Watch on this page to add FSLR to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track FSLR insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free Open-market sale
$923K
Market cap $21.97B
P/E ratio -
Dividend yield -
Average volume 2.33M
52 week high $320.95
52 week low $182.99
Today's high -
Today's low -
Open -
Volume -
Previous close $204.46
Shares outstanding 107.47M Market cap
$21.97B
7,900 employees
FSLR Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 8 sales totaling $4.36M.
Most-Active FSLR Insiders - Last 90 Days 10 Tax withholding / forfeiture 1 67
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
May 4, 2026 SS Samantha L. Sloan - Officer Option exercise Restricted Stock Units 44 $0.00 -
May 4, 2026 NT Nathan B. Theurer - Officer Option exercise Restricted Stock Units 44 $0.00 -
May 4, 2026 MW Mark R. Widmar - Officer Option exercise Common Stock 3,802 $0.00 -
May 5, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,526 $215.63 $329K
May 4, 2026 MW Mark R. Widmar - Officer Option exercise Restricted Stock Units 3,802 $0.00 -
Mar 31, 2026 WP William J. Post - Director Grant or award Common Stock 267 $0.00 -
Mar 31, 2026 LK Lisa A. Kro - Director Grant or award Common Stock 267 $0.00 -
Mar 31, 2026 AG Anita M. George - Director Grant or award Common Stock 267 $0.00 -
Mar 13, 2026 MW Mark R. Widmar - Officer Option exercise Common Stock 4,856 $0.00 -
Mar 16, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,937 $200.80 $389K
Mar 13, 2026 MW Mark R. Widmar - Officer Option exercise Restricted Stock Units 4,856 $0.00 -
Mar 13, 2026 NT Nathan B. Theurer - Officer Option exercise Restricted Stock Units 131 $0.00 -
Mar 13, 2026 SS Samantha L. Sloan - Officer Option exercise Restricted Stock Units 280 $0.00 -
Mar 16, 2026 MG Markus Gloeckler - Officer Open-market sale Common Stock 368 $200.80 $74K
Mar 13, 2026 MG Markus Gloeckler - Officer Option exercise Restricted Stock Units 854 $0.00 -
Mar 16, 2026 JD Jason E. Dymbort - Officer Open-market sale Common Stock 358 $200.80 $72K
Mar 17, 2026 JD Jason E. Dymbort - Officer Open-market sale Common Stock 9,022 $199.62 $1.80M
Mar 13, 2026 JD Jason E. Dymbort - Officer Option exercise Restricted Stock Units 854 $0.00 -
Mar 13, 2026 GA Georges Antoun - Officer Option exercise Common Stock 587 $0.00 -
Mar 16, 2026 GA Georges Antoun - Officer Open-market sale Common Stock 245 $200.80 $49K
Mar 13, 2026 GA Georges Antoun - Officer Option exercise Restricted Stock Units 587 $0.00 -
Mar 6, 2026 GA Georges Antoun - Officer Grant or award Restricted Stock Units 2,749 $0.00 -
Mar 6, 2026 GA Georges Antoun - Officer Option exercise Common Stock 732 $0.00 -
Mar 6, 2026 GA Georges Antoun - Officer Option exercise Common Stock 283 $0.00 -
Mar 6, 2026 GA Georges Antoun - Officer Option exercise Common Stock 379 $0.00 -
Mar 6, 2026 GA Georges Antoun - Officer Option exercise Common Stock 476 $0.00 -
Mar 9, 2026 GA Georges Antoun - Officer Open-market sale Common Stock 309 $190.36 $59K
Mar 9, 2026 GA Georges Antoun - Officer Open-market sale Common Stock 161 $190.36 $31K
Mar 9, 2026 GA Georges Antoun - Officer Open-market sale Common Stock 201 $190.36 $38K
Mar 9, 2026 GA Georges Antoun - Officer Open-market sale Common Stock 120 $190.36 $23K
Mar 6, 2026 GA Georges Antoun - Officer Option exercise Restricted Stock Units 732 $0.00 -
Mar 6, 2026 GA Georges Antoun - Officer Option exercise Restricted Stock Units 283 $0.00 -
Mar 6, 2026 GA Georges Antoun - Officer Option exercise Restricted Stock Units 379 $0.00 -
Mar 6, 2026 GA Georges Antoun - Officer Option exercise Restricted Stock Units 476 $0.00 -
Mar 6, 2026 JD Jason E. Dymbort - Officer Option exercise Restricted Stock Units 1,067 $0.00 -
Mar 6, 2026 JD Jason E. Dymbort - Officer Grant or award Restricted Stock Units 2,960 $0.00 -
Mar 9, 2026 JD Jason E. Dymbort - Officer Open-market sale Common Stock 325 $190.36 $62K
Mar 9, 2026 JD Jason E. Dymbort - Officer Open-market sale Common Stock 202 $190.36 $38K
Mar 9, 2026 JD Jason E. Dymbort - Officer Open-market sale Common Stock 323 $190.36 $61K
Mar 9, 2026 JD Jason E. Dymbort - Officer Open-market sale Common Stock 455 $190.36 $87K
Mar 6, 2026 JD Jason E. Dymbort - Officer Option exercise Restricted Stock Units 760 $0.00 -
Mar 6, 2026 JD Jason E. Dymbort - Officer Option exercise Restricted Stock Units 471 $0.00 -
Mar 6, 2026 JD Jason E. Dymbort - Officer Option exercise Restricted Stock Units 758 $0.00 -
Mar 6, 2026 MG Markus Gloeckler - Officer Option exercise Restricted Stock Units 1,067 $0.00 -
Mar 6, 2026 MG Markus Gloeckler - Officer Grant or award Restricted Stock Units 3,066 $0.00 -
Mar 9, 2026 MG Markus Gloeckler - Officer Open-market sale Common Stock 320 $190.36 $61K
Mar 9, 2026 MG Markus Gloeckler - Officer Open-market sale Common Stock 199 $190.36 $38K
Mar 9, 2026 MG Markus Gloeckler - Officer Open-market sale Common Stock 358 $190.36 $68K
Mar 9, 2026 MG Markus Gloeckler - Officer Open-market sale Common Stock 448 $190.36 $85K
Mar 6, 2026 MG Markus Gloeckler - Officer Option exercise Restricted Stock Units 760 $0.00 -
Mar 6, 2026 MG Markus Gloeckler - Officer Option exercise Restricted Stock Units 471 $0.00 -
Mar 6, 2026 MG Markus Gloeckler - Officer Option exercise Restricted Stock Units 852 $0.00 -
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