First Solar (FSLR) — insider trading
Information Technology · NASDAQ
First Solar (FSLR) has 115 reported SEC Form 4 insider transactions in our data, including 67 open-market sales among the most recent 100 (latest 2026-10-01).
Recent Form 4 transactions
Showing the 100 most recent of 115 recorded transactions. See all on SEC EDGAR →
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-10-01 | Gloeckler Markus | Officer (Chief Technology Officer) | Open-market sale | 800 | $174.00 | $139.2K | Form 4 |
| 2026-09-30 | POST WILLIAM J | Director | Grant / award / vesting | 300 | — | $0 | Form 4 |
| 2026-09-30 | STEBBINS PAUL H | Director | Grant / award / vesting | 300 | — | $0 | Form 4 |
| 2026-09-30 | Sweeney Michael T | Director | Grant / award / vesting | 300 | — | $0 | Form 4 |
| 2026-09-30 | George Anita M. | Director | Grant / award / vesting | 300 | — | $0 | Form 4 |
| 2026-09-30 | KRO LISA A | Director | Grant / award / vesting | 300 | — | $0 | Form 4 |
| 2026-09-30 | Wright Norman L. | Director | Grant / award / vesting | 300 | — | $0 | Form 4 |
| 2026-09-30 | RENDUCHINTALA VENKATA S M | Director | Grant / award / vesting | 300 | — | $0 | Form 4 |
| 2026-09-30 | MORGAN CURTIS A | Director | Grant / award / vesting | 300 | — | $0 | Form 4 |
| 2026-09-30 | Ahearn Michael J | Director | Grant / award / vesting | 422 | — | $0 | Form 4 |
| 2026-09-01 | Sloan Samantha L. | Officer (EVP, Corporate Affairs) | Option exercise / conversion (derivative) | 469 | — | $0 | Form 4 |
| 2026-09-01 | Sloan Samantha L. | Officer (EVP, Corporate Affairs) | Shares withheld for taxes / exercise cost | 134 | $199.65 | $26.8K | Form 4 |
| 2026-09-01 | Sloan Samantha L. | Officer (EVP, Corporate Affairs) | Option exercise / conversion | 469 | — | $0 | Form 4 |
| 2026-09-01 | Gloeckler Markus | Officer (Chief Technology Officer) | Open-market sale | 800 | $200.00 | $160.0K | Form 4 |
| 2026-08-17 | Sloan Samantha L. | Officer (EVP, Corporate Affairs) | Open-market sale | 127 | $222.95 | $28.3K | Form 4 |
| 2026-08-14 | Sloan Samantha L. | Officer (EVP, Corporate Affairs) | Option exercise / conversion (derivative) | 437 | — | $0 | Form 4 |
| 2026-08-14 | Sloan Samantha L. | Officer (EVP, Corporate Affairs) | Option exercise / conversion | 437 | — | $0 | Form 4 |
| 2026-08-11 | Dymbort Jason E. | Officer (General Counsel and Secretary) | Open-market sale | 3,700 | $249.38 | $922.7K | Form 4 |
| 2026-08-04 | Ahearn Michael J | Director | Bona fide gift | 44,584 | — | — | Form 4 |
| 2026-08-04 | Gloeckler Markus | Officer (Chief Technology Officer) | Open-market sale | 829 | $248.00 | $205.6K | Form 4 |
| 2026-08-03 | Koralewski Michael | Officer (Chief Supply Chain Officer) | Open-market sale | 3,500 | $225.00 | $787.5K | Form 4 |
| 2026-08-03 | Koralewski Michael | Officer (Chief Supply Chain Officer) | Open-market sale | 3,500 | $218.02 | $763.1K | Form 4 |
| 2026-08-03 | Gloeckler Markus | Officer (Chief Technology Officer) | Open-market sale | 2,625 | $218.02 | $572.3K | Form 4 |
| 2026-08-03 | Gloeckler Markus | Officer (Chief Technology Officer) | Open-market sale | 800 | $222.00 | $177.6K | Form 4 |
| 2026-06-30 | Wright Norman L. | Director | Grant / award / vesting | 223 | — | $0 | Form 4 |
| 2026-06-30 | RENDUCHINTALA VENKATA S M | Director | Grant / award / vesting | 223 | — | $0 | Form 4 |
| 2026-06-30 | Sweeney Michael T | Director | Grant / award / vesting | 223 | — | $0 | Form 4 |
| 2026-06-30 | STEBBINS PAUL H | Director | Grant / award / vesting | 223 | — | $0 | Form 4 |
| 2026-06-30 | POST WILLIAM J | Director | Grant / award / vesting | 223 | — | $0 | Form 4 |
| 2026-06-30 | MORGAN CURTIS A | Director | Grant / award / vesting | 223 | — | $0 | Form 4 |
| 2026-06-30 | KRO LISA A | Director | Grant / award / vesting | 223 | — | $0 | Form 4 |
| 2026-06-30 | George Anita M. | Director | Shares withheld for taxes / exercise cost | 67 | $235.96 | $15.8K | Form 4 |
| 2026-06-30 | George Anita M. | Director | Grant / award / vesting | 223 | — | $0 | Form 4 |
| 2026-06-30 | Ahearn Michael J | Director | Grant / award / vesting | 313 | — | $0 | Form 4 |
| 2026-06-02 | Buehler Patrick James | Officer (Chief Product Officer) | Open-market sale | 3,000 | $302.00 | $906.0K | Form 4 |
| 2026-05-28 | Stockdale Caroline | Officer (Chief People and Comm. Officer) | Open-market sale | 10,628 | $275.60 | $2.93M | Form 4 |
| 2026-05-26 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 126 | $276.29 | $34.8K | Form 4 |
| 2026-05-26 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 473 | $273.17 | $129.2K | Form 4 |
| 2026-05-26 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 726 | $271.23 | $196.9K | Form 4 |
| 2026-05-26 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 632 | $270.05 | $170.7K | Form 4 |
| 2026-05-26 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,009 | $268.89 | $271.3K | Form 4 |
| 2026-05-26 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 628 | $267.72 | $168.1K | Form 4 |
| 2026-05-26 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,237 | $266.60 | $329.8K | Form 4 |
| 2026-05-26 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 364 | $265.15 | $96.5K | Form 4 |
| 2026-05-22 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 47 | $258.48 | $12.1K | Form 4 |
| 2026-05-22 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 149 | $257.55 | $38.4K | Form 4 |
| 2026-05-22 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 75 | $256.32 | $19.2K | Form 4 |
| 2026-05-22 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 64 | $255.59 | $16.4K | Form 4 |
| 2026-05-22 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 916 | $254.93 | $233.5K | Form 4 |
| 2026-05-22 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 218 | $253.63 | $55.3K | Form 4 |
| 2026-05-22 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 97 | $252.87 | $24.5K | Form 4 |
| 2026-05-22 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 172 | $251.53 | $43.3K | Form 4 |
| 2026-05-22 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 239 | $250.02 | $59.8K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 521 | $243.19 | $126.7K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 6 | $256.96 | $1.5K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 179 | $255.31 | $45.7K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 261 | $254.29 | $66.4K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 569 | $251.64 | $143.2K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 472 | $250.61 | $118.3K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,131 | $249.70 | $282.4K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 179 | $248.80 | $44.5K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 98 | $247.53 | $24.3K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 229 | $246.23 | $56.4K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 136 | $244.62 | $33.3K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 362 | $241.40 | $87.4K | Form 4 |
| 2026-05-21 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 672 | $240.10 | $161.3K | Form 4 |
| 2026-05-21 | Verma Kuntal Kumar | Officer (Chief Manufacturing Officer) | Open-market sale | 582 | $250.00 | $145.5K | Form 4 |
| 2026-05-13 | Verma Kuntal Kumar | Officer (Chief Manufacturing Officer) | Open-market sale | 1,455 | $240.00 | $349.2K | Form 4 |
| 2026-05-13 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,300 | $240.02 | $312.0K | Form 4 |
| 2026-05-11 | Verma Kuntal Kumar | Officer (Chief Manufacturing Officer) | Open-market sale | 352 | $230.00 | $81.0K | Form 4 |
| 2026-05-11 | Verma Kuntal Kumar | Officer (Chief Manufacturing Officer) | Open-market sale | 1,864 | $225.00 | $419.4K | Form 4 |
| 2026-05-11 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 400 | $236.53 | $94.6K | Form 4 |
| 2026-05-11 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,363 | $235.69 | $321.2K | Form 4 |
| 2026-05-11 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,498 | $234.84 | $351.8K | Form 4 |
| 2026-05-11 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,877 | $233.56 | $438.4K | Form 4 |
| 2026-05-11 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 2,262 | $232.55 | $526.0K | Form 4 |
| 2026-05-11 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,026 | $231.53 | $237.5K | Form 4 |
| 2026-05-11 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,500 | $230.18 | $345.3K | Form 4 |
| 2026-05-06 | Dymbort Jason E. | Officer (General Counsel and Secretary) | Open-market sale | 228 | $218.16 | $49.7K | Form 4 |
| 2026-05-06 | Theurer Nathan B. | Officer (VP - Global Controller and CAO) | Open-market sale | 31 | $218.16 | $6.8K | Form 4 |
| 2026-05-06 | Verma Kuntal Kumar | Officer (Chief Manufacturing Officer) | Open-market sale | 270 | $218.16 | $58.9K | Form 4 |
| 2026-05-05 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Open-market sale | 1,526 | $215.63 | $329.1K | Form 4 |
| 2026-05-05 | Verma Kuntal Kumar | Officer (Chief Manufacturing Officer) | Open-market sale | 479 | $215.63 | $103.3K | Form 4 |
| 2026-05-05 | Theurer Nathan B. | Officer (VP - Global Controller and CAO) | Open-market sale | 13 | $215.63 | $2.8K | Form 4 |
| 2026-05-05 | Stockdale Caroline | Officer (Chief People and Comm. Officer) | Open-market sale | 262 | $215.63 | $56.5K | Form 4 |
| 2026-05-05 | Sloan Samantha L. | Officer (EVP, Corporate Affairs) | Open-market sale | 19 | $215.63 | $4.1K | Form 4 |
| 2026-05-05 | Gloeckler Markus | Officer (Chief Technology Officer) | Open-market sale | 420 | $215.63 | $90.6K | Form 4 |
| 2026-05-05 | Dymbort Jason E. | Officer (General Counsel and Secretary) | Open-market sale | 409 | $215.63 | $88.2K | Form 4 |
| 2026-05-05 | Buehler Patrick James | Officer (Chief Product Officer) | Open-market sale | 235 | $215.63 | $50.7K | Form 4 |
| 2026-05-05 | Koralewski Michael | Officer (Chief Supply Chain Officer) | Open-market sale | 215 | $215.63 | $46.4K | Form 4 |
| 2026-05-05 | Bradley Alexander R. | Officer (Chief Financial Officer) | Open-market sale | 498 | $215.63 | $107.4K | Form 4 |
| 2026-05-05 | ANTOUN GEORGES | Officer (Chief Commercial Officer) | Open-market sale | 566 | $215.63 | $122.0K | Form 4 |
| 2026-05-04 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Option exercise / conversion (derivative) | 3,802 | — | $0 | Form 4 |
| 2026-05-04 | Widmar Mark R | Director, Officer (Chief Executive Officer) | Option exercise / conversion | 3,802 | — | $0 | Form 4 |
| 2026-05-04 | Verma Kuntal Kumar | Officer (Chief Manufacturing Officer) | Option exercise / conversion (derivative) | 1,106 | — | $0 | Form 4 |
| 2026-05-04 | Verma Kuntal Kumar | Officer (Chief Manufacturing Officer) | Option exercise / conversion | 1,106 | — | $0 | Form 4 |
| 2026-05-04 | Theurer Nathan B. | Officer (VP - Global Controller and CAO) | Option exercise / conversion (derivative) | 44 | — | $0 | Form 4 |
| 2026-05-04 | Theurer Nathan B. | Officer (VP - Global Controller and CAO) | Option exercise / conversion | 44 | — | $0 | Form 4 |
| 2026-05-04 | Stockdale Caroline | Officer (Chief People and Comm. Officer) | Option exercise / conversion (derivative) | 622 | — | $0 | Form 4 |
| 2026-05-04 | Stockdale Caroline | Officer (Chief People and Comm. Officer) | Option exercise / conversion | 622 | — | $0 | Form 4 |
Ask the chat about FSLR's insider activity →
Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: First Solar (FSLR).
Last updated 2026-10-01 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.