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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 9 28,709 $7.29M Grant or award 9 2,097 Option exercise 2 874
FSLR Insider Transactions (Form 4) 85 150 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 1 of 3.
Date Insider Transaction Security Shares Price Value Aug 14, 2026 SS Samantha L. Sloan - Officer Option exercise Common Stock 437
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 16 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? 9 insider sales of FSLR were filed in the last 90 days, totaling $7.29M.
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 $211.15
Today's low $202.10
Open $209.62
Volume 1.45M
Previous close $210.10
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 9 sales totaling $7.29M.
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.
Aug 14, 2026 SS Samantha L. Sloan - Officer Option exercise Restricted Stock Units 437 $0.00 -
Aug 11, 2026 JD Jason E. Dymbort - Officer Open-market sale Common Stock 3,700 $249.38 $923K
Aug 3, 2026 MG Markus Gloeckler - Officer Open-market sale Common Stock 800 $222.00 $178K
Aug 3, 2026 MG Markus Gloeckler - Officer Open-market sale Common Stock 2,625 $218.02 $572K
Aug 4, 2026 MG Markus Gloeckler - Officer Open-market sale Common Stock 829 $248.00 $206K
Jun 30, 2026 AG Anita M. George - Director Grant or award Common Stock 223 $0.00 -
Jun 30, 2026 AG Anita M. George - Director Tax withholding / forfeiture Common Stock 67 $235.96 $16K
Jun 30, 2026 LK Lisa A. Kro - Director Grant or award Common Stock 223 $0.00 -
Jun 30, 2026 WP William J. Post - Director Grant or award Common Stock 223 $0.00 -
May 22, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 239 $250.02 $60K
May 22, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 172 $251.53 $43K
May 22, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 97 $252.87 $25K
May 22, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 218 $253.63 $55K
May 22, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 916 $254.93 $234K
May 22, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 64 $255.59 $16K
May 22, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 75 $256.32 $19K
May 22, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 149 $257.55 $38K
May 22, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 47 $258.48 $12K
May 26, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 364 $265.15 $97K
May 26, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,237 $266.60 $330K
May 26, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 628 $267.72 $168K
May 26, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,009 $268.89 $271K
May 26, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 632 $270.05 $171K
May 26, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 726 $271.23 $197K
May 26, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 473 $273.17 $129K
May 26, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 126 $276.29 $35K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 672 $240.10 $161K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 362 $241.40 $87K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 136 $244.62 $33K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 229 $246.23 $56K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 98 $247.53 $24K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 179 $248.80 $45K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,131 $249.70 $282K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 472 $250.61 $118K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 569 $251.64 $143K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 261 $254.29 $66K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 179 $255.31 $46K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 6 $256.96 $2K
May 21, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 521 $243.19 $127K
May 11, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,500 $230.18 $345K
May 11, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,026 $231.53 $238K
May 11, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 2,262 $232.55 $526K
May 11, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,877 $233.56 $438K
May 11, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,498 $234.84 $352K
May 11, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,363 $235.69 $321K
May 11, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 400 $236.53 $95K
May 13, 2026 MW Mark R. Widmar - Officer Open-market sale Common Stock 1,300 $240.02 $312K
May 6, 2026 JD Jason E. Dymbort - Officer Open-market sale Common Stock 228 $218.16 $50K
May 4, 2026 GA Georges Antoun - Officer Option exercise Common Stock 1,358 $0.00 -
May 5, 2026 GA Georges Antoun - Officer Open-market sale Common Stock 566 $215.63 $122K
May 4, 2026 GA Georges Antoun - Officer Option exercise Restricted Stock Units 1,358 $0.00 -
May 5, 2026 JD Jason E. Dymbort - Officer Open-market sale Common Stock 409 $215.63 $88K
May 4, 2026 JD Jason E. Dymbort - Officer Option exercise Restricted Stock Units 968 $0.00 -
May 5, 2026 MG Markus Gloeckler - Officer Open-market sale Common Stock 420 $215.63 $91K
May 4, 2026 MG Markus Gloeckler - Officer Option exercise Restricted Stock Units 968 $0.00 -
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