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First Solar, Inc.

FSLR
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001274494

In the last 90 days, First Solar, Inc. insiders filed 0 open-market purchases and 5 sales; 1,012 institutions reported holding it in 13F filings for Q2 2026, worth $23.5B in total; Soros Fund Management is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by First Solar, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
5 filings
4 insiders, $3.62M in total
Insiders trading
4
Net value
−$3.62M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for First Solar, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for First Solar, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Sloan Samantha L.EVP, Corporate Affairs2,353Sep 3, 20267
Gloeckler MarkusChief Technology Officer5,842Sep 2, 20267
Dymbort Jason E.General Counsel and Secretary5,624Aug 12, 20266
Koralewski MichaelChief Supply Chain Officer7,642Aug 5, 20265
Ahearn Michael JDirector66,057Aug 5, 20265
George Anita M.Director5,171Jul 1, 20264
Kro Lisa ADirector4,599IndirectJul 1, 20264
Morgan Curtis ADirector223Jul 1, 20261
Post William JDirector27,385IndirectJul 1, 20264
Stebbins Paul HDirector15,950IndirectJul 1, 20265
Sweeney Michael TDirector14,325Jul 1, 20265
Renduchintala Venkata S MDirector2,133Jul 1, 20264
Wright Norman L.Director5,009Jul 1, 20264
Buehler Patrick JamesChief Product Officer4,406Jun 3, 20265
Stockdale CarolineChief People and Comm. Officer23,792Jun 1, 20265
Widmar Mark RChief Executive Officer81,861May 27, 20267
Verma Kuntal KumarChief Manufacturing Officer4,967May 22, 202610
Theurer Nathan B.VP - Global Controller and CAO0May 8, 20267
Antoun GeorgesChief Commercial Officer19,918May 5, 20265
Bradley Alexander R.Chief Financial Officer30,712May 5, 20264
Joseph MollyDirector16,195Jul 1, 20250
Jeffers Byron MichaelVP - Global Controller and CAO0Aug 13, 20240
Kennedy R CraigDirector14,108Jul 1, 20240
Hambro George ADirector25,599IndirectJul 1, 20240
Chapman Richard DDirector1,245Jul 1, 20240
Allen Sharon L.Director24,813Jul 1, 20220
Hollister Kathryn ADirector2,846Jul 1, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 2, 2026 (view filing)11:28 AM ETSep 11 dayGloeckler MarkusChief Technology OfficerSSale−800$200.00−$160.0K−12.0%5.84K after10b5-1
Aug 18, 2026 (view filing)2:53 PM ETAug 171 daySloan Samantha L.EVP, Corporate AffairsSSale−127$222.95−$28.3K−5.9%2.02K after
Aug 12, 2026 (view filing)7:55 PM ETAug 111 dayDymbort Jason E.General Counsel and SecretarySSale−3.70K$249.38−$922.7K−39.7%5.62K after10b5-1
Aug 5, 2026 (view filing)6:11 PM ETAug 3-42 daysGloeckler MarkusChief Technology OfficerSSale−4.25K$224.61−$955.5K−39.0%6.64K after3 lots10b5-1
Aug 5, 2026 (view filing)6:08 PM ETAug 32 daysKoralewski MichaelChief Supply Chain OfficerSSale−7.00K$221.51−$1.55M−47.8%7.64K after2 lots10b5-1
Jun 3, 2026 (view filing)Jun 21 dayBuehler Patrick JamesChief Product OfficerSSale−3.00K$302.00−$906.0K−40.5%4.41K after10b5-1
Jun 1, 2026 (view filing)May 284 daysStockdale CarolineChief People and Comm. OfficerSSale−10.6K$275.60−$2.93M−30.9%23.8K after10b5-1
May 27, 2026 (view filing)May 22-265 daysWidmar Mark RChief Executive OfficerSSale−7.17K$264.89−$1.90M−8.1%81.9K after17 lots10b5-1
May 22, 2026 (view filing)May 211 dayVerma Kuntal KumarChief Manufacturing OfficerSSale−582$250.00−$145.5K−10.5%4.97K after10b5-1
May 22, 2026 (view filing)May 211 dayWidmar Mark RChief Executive OfficerSSale−4.82K$247.43−$1.19M−5.1%89.0K after13 lots10b5-1
May 13, 2026 (view filing)May 11-132 daysWidmar Mark RChief Executive OfficerSSale−11.2K$234.00−$2.63M−10.7%93.8K after8 lots10b5-1
May 13, 2026 (view filing)May 11-132 daysVerma Kuntal KumarChief Manufacturing OfficerSSale−3.67K$231.42−$849.6K−39.8%5.55K after3 lots10b5-1
May 8, 2026 (view filing)May 62 daysVerma Kuntal KumarChief Manufacturing OfficerSSale−270$218.16−$58.9K−2.8%9.22K after
May 8, 2026 (view filing)May 62 daysTheurer Nathan B.VP - Global Controller and CAOSSale−31$218.16−$6.76K−100.0%0 after10b5-1
May 8, 2026 (view filing)May 62 daysDymbort Jason E.General Counsel and SecretarySSale−228$218.16−$49.7K−2.4%9.32K after10b5-1
May 5, 2026 (view filing)May 5Same dayAntoun GeorgesChief Commercial OfficerSSale−566$215.63−$122.0K−2.8%19.9K after
May 5, 2026 (view filing)May 5Same dayBradley Alexander R.Chief Financial OfficerSSale−498$215.63−$107.4K−1.6%30.7K after
May 5, 2026 (view filing)May 5Same dayKoralewski MichaelChief Supply Chain OfficerSSale−215$215.63−$46.4K−1.4%14.6K after
May 5, 2026 (view filing)May 5Same dayBuehler Patrick JamesChief Product OfficerSSale−235$215.63−$50.7K−3.1%7.41K after
May 5, 2026 (view filing)May 5Same dayDymbort Jason E.General Counsel and SecretarySSale−409$215.63−$88.2K−3.8%10.4K after
May 5, 2026 (view filing)May 5Same dayGloeckler MarkusChief Technology OfficerSSale−420$215.63−$90.6K−3.7%10.9K after
May 5, 2026 (view filing)May 5Same daySloan Samantha L.EVP, Corporate AffairsSSale−19$215.63−$4.10K−1.1%1.71K after
May 5, 2026 (view filing)May 5Same dayStockdale CarolineChief People and Comm. OfficerSSale−262$215.63−$56.5K−0.8%34.4K after
May 5, 2026 (view filing)May 5Same dayTheurer Nathan B.VP - Global Controller and CAOSSale−13$215.63−$2.80K−29.5%31 after
May 5, 2026 (view filing)May 5Same dayVerma Kuntal KumarChief Manufacturing OfficerSSale−479$215.63−$103.3K−4.8%9.49K after
May 5, 2026 (view filing)May 5Same dayWidmar Mark RChief Executive OfficerSSale−1.53K$215.63−$329.1K−1.4%105.1K after
Apr 16, 2026 (view filing)Apr 151 dayVerma Kuntal KumarChief Manufacturing OfficerSSale−573$210.00−$120.3K−6.1%8.86K after10b5-1
Mar 17, 2026 (view filing)Mar 161 dayWidmar Mark RChief Executive OfficerSSale−1.94K$200.80−$388.9K−1.8%102.8K after
Mar 17, 2026 (view filing)Mar 16-171 dayVerma Kuntal KumarChief Manufacturing OfficerSSale−572$200.40−$114.6K−5.7%9.44K after2 lots10b5-1
Mar 17, 2026 (view filing)Mar 16-171 dayTheurer Nathan B.VP - Global Controller and CAOSSale−131$199.87−$26.2K−100.0%0 after2 lots10b5-1
Mar 17, 2026 (view filing)Mar 161 dayStockdale CarolineChief People and Comm. OfficerSSale−335$200.80−$67.3K−1.0%34.1K after
Mar 17, 2026 (view filing)Mar 161 daySloan Samantha L.EVP, Corporate AffairsSSale−120$200.80−$24.1K−6.7%1.68K after
Mar 17, 2026 (view filing)Mar 161 dayKoralewski MichaelChief Supply Chain OfficerSSale−264$200.80−$53.0K−1.8%14.3K after
Mar 17, 2026 (view filing)Mar 161 dayGloeckler MarkusChief Technology OfficerSSale−368$200.80−$73.9K−3.4%10.3K after
Mar 17, 2026 (view filing)Mar 16-171 dayDymbort Jason E.General Counsel and SecretarySSale−9.38K$199.67−$1.87M−48.8%9.85K after2 lots10b5-1
Mar 17, 2026 (view filing)Mar 161 dayBuehler Patrick JamesChief Product OfficerSSale−180$200.80−$36.1K−2.5%7.09K after
Mar 17, 2026 (view filing)Mar 16-171 dayBradley Alexander R.Chief Financial OfficerSSale−14.7K$200.00−$2.94M−32.9%30.0K after6 lots10b5-1
Mar 17, 2026 (view filing)Mar 161 dayAntoun GeorgesChief Commercial OfficerSSale−245$200.80−$49.2K−1.3%19.1K after
Mar 11, 2026 (view filing)Mar 101 dayVerma Kuntal KumarChief Manufacturing OfficerSSale−408$195.70−$79.8K−4.3%9.10K after10b5-1
Mar 11, 2026 (view filing)Mar 101 dayTheurer Nathan B.VP - Global Controller and CAOSSale−324$195.70−$63.4K−100.0%0 after10b5-1
Mar 10, 2026 (view filing)Mar 91 dayAntoun GeorgesChief Commercial OfficerSSale−791$190.36−$150.6K−4.0%18.8K after4 lots
Mar 10, 2026 (view filing)Mar 91 dayBradley Alexander R.Chief Financial OfficerSSale−1.76K$190.36−$334.3K−3.9%43.3K after4 lots
Mar 10, 2026 (view filing)Mar 91 dayBuehler Patrick JamesChief Product OfficerSSale−697$190.36−$132.7K−9.2%6.84K after4 lots
Mar 10, 2026 (view filing)Mar 91 dayDymbort Jason E.General Counsel and SecretarySSale−1.30K$190.36−$248.4K−6.6%18.4K after4 lots
Mar 10, 2026 (view filing)Mar 91 dayGloeckler MarkusChief Technology OfficerSSale−1.32K$190.36−$252.2K−11.8%9.86K after4 lots
Mar 10, 2026 (view filing)Mar 91 dayKoralewski MichaelChief Supply Chain OfficerSSale−756$190.36−$143.9K−5.1%14.0K after4 lots
Mar 10, 2026 (view filing)Mar 91 daySloan Samantha L.EVP, Corporate AffairsSSale−303$190.36−$57.7K−16.6%1.52K after4 lots
Mar 10, 2026 (view filing)Mar 91 dayStockdale CarolineChief People and Comm. OfficerSSale−1.04K$190.36−$198.2K−3.0%33.6K after4 lots
Mar 10, 2026 (view filing)Mar 91 dayTheurer Nathan B.VP - Global Controller and CAOSSale−157$190.36−$29.9K−32.6%324 after4 lots
Mar 10, 2026 (view filing)Mar 91 dayVerma Kuntal KumarChief Manufacturing OfficerSSale−1.39K$190.36−$263.8K−12.7%9.51K after4 lots