The Filings Report

First Solar, Inc. insider trading

FSLRfinancial statementsForm 4 filings on EDGAR472 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at First Solar, Inc. bought $0 of stock in the open market, and 3 sold $1M. Officers and directors accounted for $0 of purchases and $1M of sales. The last reported transaction was an open-market sale by Gloeckler Markus on October 1, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 2, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

FSLR daily priceSplit-adjusted prices in US dollars

Bought $0Sold $1MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $168.05 · H $175.99 · L $168.00 · C $174.40Bought $0 (0)Sold $0 (0)
$160$189$218$247$2762026-08-04: open $233.58, high $252.17, low $230.05, close $243.632026-08-05: open $236.25, high $243.86, low $225.76, close $236.802026-08-06: open $236.55, high $253.00, low $234.45, close $244.142026-08-07: open $259.11, high $269.70, low $247.90, close $250.052026-08-10: open $247.65, high $251.39, low $233.51, close $239.332026-08-11: open $249.44, high $249.76, low $238.51, close $240.912026-08-12: open $242.75, high $244.00, low $224.86, close $226.772026-08-13: open $223.51, high $227.99, low $221.26, close $223.692026-08-14: open $224.78, high $230.96, low $223.75, close $225.562026-08-17: open $225.36, high $226.39, low $216.90, close $217.852026-08-18: open $219.50, high $221.50, low $217.00, close $220.012026-08-19: open $222.00, high $224.00, low $218.66, close $222.402026-08-20: open $220.25, high $225.00, low $213.02, close $213.932026-08-21: open $214.99, high $221.40, low $211.53, close $214.282026-08-24: open $212.82, high $212.88, low $208.12, close $208.312026-08-25: open $211.60, high $211.99, low $205.40, close $206.822026-08-26: open $207.42, high $209.90, low $204.21, close $205.932026-08-27: open $212.93, high $213.20, low $207.01, close $210.102026-08-28: open $209.62, high $211.15, low $202.10, close $204.462026-08-31: open $203.41, high $205.24, low $200.35, close $201.902026-09-01: open $200.00, high $202.61, low $198.20, close $199.652026-09-02: open $199.35, high $204.35, low $197.81, close $202.602026-09-03: open $202.17, high $207.70, low $201.75, close $207.422026-09-04: open $208.24, high $209.68, low $203.48, close $204.452026-09-08: open $206.45, high $215.50, low $205.95, close $213.252026-09-09: open $214.82, high $220.98, low $202.49, close $203.102026-09-10: open $197.56, high $208.75, low $197.10, close $207.172026-09-11: open $209.84, high $214.18, low $207.08, close $209.032026-09-14: open $203.71, high $211.67, low $203.71, close $207.042026-09-15: open $209.48, high $210.30, low $202.19, close $202.342026-09-16: open $205.52, high $205.73, low $189.40, close $191.072026-09-17: open $193.15, high $203.52, low $192.72, close $201.162026-09-18: open $202.11, high $202.41, low $192.42, close $195.962026-09-21: open $198.22, high $201.16, low $193.73, close $199.842026-09-22: open $200.89, high $202.46, low $198.53, close $200.782026-09-23: open $200.78, high $201.49, low $191.17, close $191.972026-09-24: open $190.00, high $190.00, low $170.80, close $172.162026-09-25: open $174.09, high $180.92, low $173.44, close $177.712026-09-28: open $178.23, high $178.23, low $172.20, close $172.972026-09-29: open $174.22, high $177.05, low $172.00, close $176.932026-09-30: open $178.50, high $178.68, low $174.83, close $175.162026-10-01: open $174.50, high $174.75, low $168.64, close $172.112026-10-02: open $174.97, high $178.27, low $173.52, close $174.612026-10-05: open $174.80, high $176.50, low $171.86, close $176.162026-10-06: open $177.50, high $181.43, low $176.70, close $179.802026-10-07: open $176.57, high $180.58, low $175.70, close $180.132026-10-08: open $179.12, high $181.68, low $174.76, close $178.852026-10-09: open $179.37, high $179.52, low $176.21, close $177.822026-10-12: open $181.46, high $186.42, low $177.52, close $179.722026-10-13: open $179.70, high $187.85, low $179.61, close $186.602026-10-14: open $184.03, high $185.96, low $177.84, close $179.082026-10-15: open $176.11, high $181.23, low $175.55, close $178.812026-10-16: open $178.21, high $182.74, low $172.53, close $172.642026-10-19: open $176.31, high $176.31, low $169.89, close $171.802026-10-20: open $170.34, high $178.43, low $170.21, close $174.432026-10-21: open $176.25, high $177.05, low $172.19, close $174.822026-10-22: open $171.51, high $172.85, low $168.63, close $171.252026-10-23: open $170.00, high $173.88, low $169.13, close $171.992026-10-26: open $172.00, high $172.41, low $165.86, close $168.152026-10-27: open $171.41, high $177.75, low $169.51, close $175.852026-10-28: open $173.70, high $176.70, low $170.31, close $176.302026-10-29: open $176.00, high $179.00, low $173.89, close $176.892026-10-30: open $168.05, high $175.99, low $168.00, close $174.40Insider purchases / sales · USD$1M$0−$1M2026-08-04: 0 purchases ($0), 1 sales ($206K)2026-08-11: 0 purchases ($0), 1 sales ($923K)2026-08-17: 0 purchases ($0), 1 sales ($28K)2026-09-01: 0 purchases ($0), 1 sales ($160K)2026-10-01: 0 purchases ($0), 1 sales ($139K)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

472 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 1, 2026Gloeckler MarkusChief Technology Officeropen-market sale10b5-1800$174.00$139K5,042Oct 2, 2026
Sep 30, 2026Ahearn Michael JDirectoraward422$0.00—66,479Oct 2, 2026
Sep 30, 2026Post William JDirectorawardindirect300$0.00—27,685Oct 2, 2026
Sep 30, 2026Stebbins Paul HDirectorawardindirect300$0.00—16,250Oct 2, 2026
Sep 30, 2026Sweeney Michael TDirectoraward300$0.00—14,625Oct 2, 2026
Sep 30, 2026George Anita M.Directoraward300$0.00—5,471Oct 2, 2026
Sep 30, 2026Kro Lisa ADirectorawardindirect300$0.00—4,899Oct 2, 2026
Sep 30, 2026Wright Norman L.Directoraward300$0.00—5,309Oct 2, 2026
Sep 30, 2026Renduchintala Venkata S MDirectoraward300$0.00—2,433Oct 2, 2026
Sep 30, 2026Morgan Curtis ADirectoraward300$0.00—523Oct 2, 2026
Sep 1, 2026Sloan Samantha L.EVP, Corporate Affairsoption exercise469$0.00—2,487Sep 3, 2026
Sep 1, 2026Sloan Samantha L.EVP, Corporate Affairstax withholding134$199.65$27K2,353Sep 3, 2026
Sep 1, 2026Gloeckler MarkusChief Technology Officeropen-market sale10b5-1800$200.00$160K5,842Sep 2, 2026
Aug 17, 2026Sloan Samantha L.EVP, Corporate Affairsopen-market sale127$222.95$28K2,018Aug 18, 2026
Aug 14, 2026Sloan Samantha L.EVP, Corporate Affairsoption exercise437$0.00—2,145Aug 18, 2026
Aug 11, 2026Dymbort Jason E.General Counsel and Secretaryopen-market sale10b5-13,700$249.38$923K5,624Aug 12, 2026
Aug 4, 2026Gloeckler MarkusChief Technology Officeropen-market sale10b5-1829$248.00$206K6,642Aug 5, 2026
Aug 4, 2026Ahearn Michael JDirectorgift44,584——66,057Aug 5, 2026
Aug 3, 2026Gloeckler MarkusChief Technology Officeropen-market sale10b5-1800$222.00$178K10,096Aug 5, 2026
Aug 3, 2026Gloeckler MarkusChief Technology Officeropen-market sale10b5-12,625$218.02$572K7,471Aug 5, 2026
Aug 3, 2026Koralewski MichaelChief Supply Chain Officeropen-market sale10b5-13,500$218.02$763K11,142Aug 5, 2026
Aug 3, 2026Koralewski MichaelChief Supply Chain Officeropen-market sale10b5-13,500$225.00$788K7,642Aug 5, 2026
Jun 30, 2026Ahearn Michael JDirectoraward313$0.00—66,057Jul 1, 2026
Jun 30, 2026George Anita M.Directoraward223$0.00—5,238Jul 1, 2026
Jun 30, 2026George Anita M.Directortax withholding67$235.96$16K5,171Jul 1, 2026
Jun 30, 2026Kro Lisa ADirectorawardindirect223$0.00—4,599Jul 1, 2026
Jun 30, 2026Morgan Curtis ADirectoraward223$0.00—223Jul 1, 2026
Jun 30, 2026Post William JDirectorawardindirect223$0.00—27,385Jul 1, 2026
Jun 30, 2026Stebbins Paul HDirectorawardindirect223$0.00—15,950Jul 1, 2026
Jun 30, 2026Sweeney Michael TDirectoraward223$0.00—14,325Jul 1, 2026
Jun 30, 2026Renduchintala Venkata S MDirectoraward223$0.00—2,133Jul 1, 2026
Jun 30, 2026Wright Norman L.Directoraward223$0.00—5,009Jul 1, 2026
Jun 2, 2026Buehler Patrick JamesChief Product Officeropen-market sale10b5-13,000$302.00$906K4,406Jun 3, 2026
May 28, 2026Stockdale CarolineChief People and Comm. Officeropen-market sale10b5-110,628$275.60$3M23,792Jun 1, 2026
May 26, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1364$265.15$97K86,692May 27, 2026
May 26, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-11,237$266.60$330K85,455May 27, 2026
May 26, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1628$267.72$168K84,827May 27, 2026
May 26, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-11,009$268.89$271K83,818May 27, 2026
May 26, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1632$270.05$171K83,186May 27, 2026
May 26, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1726$271.23$197K82,460May 27, 2026
May 26, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1473$273.17$129K81,987May 27, 2026
May 26, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1126$276.29$35K81,861May 27, 2026
May 22, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1239$250.02$60K88,794May 27, 2026
May 22, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1172$251.53$43K88,622May 27, 2026
May 22, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-197$252.87$25K88,525May 27, 2026
May 22, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1218$253.63$55K88,307May 27, 2026
May 22, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1916$254.93$234K87,391May 27, 2026
May 22, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-164$255.59$16K87,327May 27, 2026
May 22, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-175$256.32$19K87,252May 27, 2026
May 22, 2026Widmar Mark RChief Executive Officer, Directoropen-market sale10b5-1149$257.55$38K87,103May 27, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Antoun GeorgesChief Commercial OfficerMay 5, 2026open-market sale19,918—$11M (20)13 of 20
Widmar Mark RChief Executive Officer, DirectorMay 26, 2026open-market sale86,692—$9M (45)38 of 45
Bradley Alexander R.Chief Financial OfficerMay 5, 2026open-market sale30,712—$4M (12)6 of 12
Dymbort Jason E.General Counsel and SecretaryAug 11, 2026open-market sale5,624—$4M (10)4 of 10
Stockdale CarolineChief People and Comm. OfficerMay 28, 2026open-market sale23,792—$4M (8)1 of 8
Gloeckler MarkusChief Technology OfficerOct 1, 2026open-market sale5,042—$3M (13)6 of 13
Verma Kuntal KumarChief Manufacturing OfficerMay 21, 2026open-market sale4,967—$3M (16)9 of 16
Koralewski MichaelChief Supply Chain OfficerAug 3, 2026open-market sale11,142—$2M (9)2 of 9
Stebbins Paul HDirectorSep 30, 2026award——$2M (3)0 of 3
Buehler Patrick JamesChief Product OfficerJun 2, 2026open-market sale4,406—$1M (8)1 of 8
Sweeney Michael TDirectorSep 30, 2026award14,625—$1M (1)0 of 1
Theurer Nathan B.VP - Global Controller and CAOMay 6, 2026open-market sale0—$157K (11)5 of 11
Sloan Samantha L.EVP, Corporate AffairsSep 1, 2026option exercise2,487—$136K (8)0 of 8
George Anita M.DirectorSep 30, 2026award5,471———
Ahearn Michael JDirectorSep 30, 2026award66,479———
Post William JDirectorSep 30, 2026award————
Kro Lisa ADirectorSep 30, 2026award272———
Wright Norman L.DirectorSep 30, 2026award5,309———
Renduchintala Venkata S MDirectorSep 30, 2026award2,433———
Joseph MollyDirectorJun 30, 2025award16,195———
Morgan Curtis ADirectorSep 30, 2026award523———

Questions

Are First Solar, Inc. insiders buying or selling?

Over the twelve months to November 1, 2026, 13 insiders at First Solar, Inc. sold $43M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $43M. Only open-market purchases and sales are counted.

Who sold the most First Solar, Inc. stock in the last year?

Antoun Georges (Chief Commercial Officer) sold $11M in 20 open-market sales over the twelve months to November 1, 2026.

Do First Solar, Inc. executives sell under 10b5-1 plans?

85 of the 164 open-market sales in the last twelve months (52%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on First Solar, Inc.

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.