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First Solar

XNAS · SEMICONDUCTORS & RELATED DEVICES

17 articles20 insider tx20 holders0 supply chain10 selling intent filings1 new insider

Research articles

Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.

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Recent insider activity

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$20.0M$10.0M$0-$10.0M-$20.0M2024-10 -$715K2024-11 $02024-12 $02025-01 $02025-02 -$4.1M2025-03 -$1.2M2025-04 $02025-05 -$2.8M2025-06 -$745K2025-07 -$288K2025-08 -$6.0M2025-09 -$26K2025-10 $02025-11 -$12.9M2025-12 $02026-01 $02026-02 $02026-03 -$14.9M2026-04 -$120K2026-05 -$10.7M2026-06 -$906K2026-07 $02026-08 -$2.7M2026-09 -$160KInstitutional shares (majority-gated quarters)100.0M50.0M02025-Q4 53.3M sh2026-Q1 39.0M sh2026-Q2 40.1M shOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Q4 2025Q1 2026Q2 2026~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

open-market Form 4 only - grants, exercises, tax withholding excluded

0 buyers - 4 unique sellers · 7 accumulating - 7 trimming - 0 unchanged

Date Insider Title Type Shares Price Value
September 1, 2026 Gloeckler Markus Chief Technology Officer SELL -800 $200 ~$0.2M
September 1, 2026 Sloan Samantha L. EVP, Corporate Affairs OPTION_EXERCISE 469 — —
September 1, 2026 Sloan Samantha L. EVP, Corporate Affairs TAX_WITHHOLD -134 $200 ~$27K
September 1, 2026 Sloan Samantha L. EVP, Corporate Affairs OPTION_EXERCISE -469 — —
August 17, 2026 Sloan Samantha L. EVP, Corporate Affairs SELL -127 $223 ~$28K
August 14, 2026 Sloan Samantha L. EVP, Corporate Affairs OPTION_EXERCISE 437 — —
August 14, 2026 Sloan Samantha L. EVP, Corporate Affairs OPTION_EXERCISE -437 — —
August 11, 2026 Dymbort Jason E. General Counsel and Secretary SELL -3,700 $249 ~$0.9M
August 4, 2026 Gloeckler Markus Chief Technology Officer SELL -829 $248 ~$0.2M
August 4, 2026 Ahearn Michael J — GIFT -44,584 — —
August 3, 2026 Gloeckler Markus Chief Technology Officer SELL -800 $222 ~$0.2M
August 3, 2026 Gloeckler Markus Chief Technology Officer SELL -2,625 $218 ~$0.6M
August 3, 2026 Koralewski Michael Chief Supply Chain Officer SELL -3,500 $218 ~$0.8M
June 30, 2026 Ahearn Michael J — GRANT 313 — —
June 30, 2026 George Anita M. — GRANT 223 — —
June 30, 2026 George Anita M. — TAX_WITHHOLD -67 $236 ~$16K
June 30, 2026 Kro Lisa A — GRANT 223 — —
June 30, 2026 Morgan Curtis A — GRANT 223 — —
June 30, 2026 Post William J — GRANT 223 — —
June 30, 2026 Stebbins Paul H — GRANT 223 — —

Insider Selling Intent (Form 144)

Date Filer Relationship Est. shares Filing
October 1, 2026 Gloeckler Markus — 800 SEC
September 1, 2026 Gloeckler Markus — 800 SEC
August 17, 2026 Sloan Samantha L. — 127 SEC
August 11, 2026 Dymbort Jason E. — 3,700 SEC
August 4, 2026 Gloeckler Markus — 829 SEC
August 3, 2026 Gloeckler Markus — 3,425 SEC
August 3, 2026 Koralewski Michael — 7,000 SEC
June 2, 2026 Buehler Patrick James — 3,000 SEC
May 28, 2026 Stockdale Caroline — 10,628 SEC
May 26, 2026 Widmar Mark R — 5,195 SEC

New Insiders (Form 3)

Date Insider Title Relationship Shares Filing
May 15, 2026 — — — — SEC

Institutional holdings

Institution Shares Value ($) Change % Filing date
Vanguard Group 13,444,103 ~$3.5B — January 29, 2026
BlackRock 14,029,065 ~$3.3B 1.5% August 7, 2026
BlackRock 12,611,740 ~$3.3B — February 12, 2026
BlackRock 13,821,076 ~$2.7B 9.6% May 13, 2026
BlackRock 11,318,454 ~$2.6B — August 13, 2024
Citadel Advisors 7,663,469 ~$2.0B — February 17, 2026
Fidelity (FMR) 6,534,800 ~$1.7B — February 17, 2026
Citadel Advisors 6,830,545 ~$1.6B 8.2% August 14, 2026
State Street 5,261,896 ~$1.4B — February 13, 2026
State Street 5,576,026 ~$1.3B 5.5% August 7, 2026
Citadel Advisors 6,313,544 ~$1.2B -17.6% May 15, 2026
JP Morgan Chase 4,667,801 ~$1.1B -19.4% August 12, 2026
JP Morgan Chase 5,789,139 ~$1.1B 254.6% May 13, 2026
State Street 5,284,617 ~$1.0B 0.4% May 15, 2026
Morgan Stanley 2,521,347 ~$658.7M — May 27, 2026
DE Shaw 2,555,231 ~$602.9M 110.7% August 14, 2026
Fidelity (FMR) 2,179,215 ~$514.2M 20.5% August 13, 2026
DE Shaw 1,725,484 ~$450.7M — February 17, 2026
JP Morgan Chase 1,632,419 ~$426.4M — February 11, 2026
Morgan Stanley 1,790,509 ~$422.5M 6.4% August 13, 2026
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