21 insiders reported 423 Form 4 transactions for FIRST SOLAR, INC. (FSLR) over the past 18 months (most recent 2026-08-18). Recent activity: Sloan Samantha L. (EVP, Corporate Affairs) Buy 437 shares, Sloan Samantha L. (EVP, Corporate Affairs) Sell 127 shares, Dymbort Jason E. (General Counsel and Secretary) Sell 3,700 shares, Ahearn Michael J (Director) Sell 44,584 shares, Gloeckler Markus (Chief Technology Officer) Sell 800 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Sloan Samantha L. | EVP, Corporate Affairs | Buy | 437 | $0 |
| 2026-08-18 | Sloan Samantha L. | EVP, Corporate Affairs | Sell | 127 | $28,315 |
| 2026-08-12 | Dymbort Jason E. | General Counsel and Secretary | Sell | 3,700 | $922,706 |
| 2026-08-05 | Ahearn Michael J | Director | Sell | 44,584 | $0 |
| 2026-08-05 | Gloeckler Markus | Chief Technology Officer | Sell | 800 | $177,600 |
| 2026-08-05 | Koralewski Michael | Chief Supply Chain Officer | Sell | 3,500 | $763,070 |
| 2026-08-05 | Gloeckler Markus | Chief Technology Officer | Sell | 2,625 | $572,302 |
| 2026-08-05 | Koralewski Michael | Chief Supply Chain Officer | Sell | 3,500 | $787,500 |
| 2026-08-05 | Gloeckler Markus | Chief Technology Officer | Sell | 829 | $205,592 |
| 2026-07-01 | Sweeney Michael T | Director | Buy | 223 | $0 |
| 2026-07-01 | STEBBINS PAUL H | Director | Buy | 223 | $0 |
| 2026-07-01 | MORGAN CURTIS A | Director | Buy | 223 | $0 |
| 2026-07-01 | POST WILLIAM J | Director | Buy | 223 | $0 |
| 2026-07-01 | Ahearn Michael J | Director | Buy | 313 | $0 |
| 2026-07-01 | KRO LISA A | Director | Buy | 223 | $0 |
| 2026-07-01 | RENDUCHINTALA VENKATA S M | Director | Buy | 223 | $0 |
| 2026-07-01 | George Anita M. | Director | Buy | 223 | $0 |
| 2026-07-01 | Wright Norman L. | Director | Buy | 223 | $0 |
| 2026-07-01 | George Anita M. | Director | Sell | 67 | $15,809 |
| 2026-06-03 | Buehler Patrick James | Chief Product Officer | Sell | 3,000 | $906,000 |
| 2026-06-01 | Stockdale Caroline | Chief People and Comm. Officer | Sell | 10,628 | $2.9M |
| 2026-05-27 | Widmar Mark R | Chief Executive Officer | Sell | 239 | $59,755 |
| 2026-05-27 | Widmar Mark R | Chief Executive Officer | Sell | 172 | $43,263 |
| 2026-05-27 | Widmar Mark R | Chief Executive Officer | Sell | 97 | $24,528 |
| 2026-05-27 | Widmar Mark R | Chief Executive Officer | Sell | 218 | $55,291 |
Source: SEC Form 4 filings · as of 2026-08-18