CIK 0001274494 · Large accelerated filer
FIRST SOLAR, INC.
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- FSLR
- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 204623678
- Phone
- (602) 414-9300
- Business address
- 4300 E CAMELBACK ROAD, SUITE 220, PHOENIX, AZ, 85018
- Former names
- FIRST SOLAR HOLDINGS LLC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $327,515
- in 3 filings, $299K under 10b5-1 plans
Net −$327,515. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −1,131 | $249.70 | $282K | 91,041 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −472 | $250.61 | $118K | 90,569 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −569 | $251.64 | $143K | 90,000 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −261 | $254.29 | $66K | 89,739 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −179 | $255.31 | $46K | 89,560 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −6 | $256.96 | $2K | 89,554 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −521 | $243.19 | $127K | 89,033 |
| 2026-05-13 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −1,300 | $240.02 | $312K | 93,848 |
| 2026-05-13 | Verma Kuntal Kumar Chief Manufacturing Officer | Sale 10b5-1 | −1,455 | $240.00 | $349K | 5,549 |
| 2026-05-11 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −1,500 | $230.18 | $345K | 103,574 |
| 2026-05-11 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −1,026 | $231.53 | $238K | 102,548 |
| 2026-05-11 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −2,262 | $232.55 | $526K | 100,286 |
| 2026-05-11 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −1,877 | $233.56 | $438K | 98,409 |
| 2026-05-11 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −1,498 | $234.84 | $352K | 96,911 |
| 2026-05-11 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −1,363 | $235.69 | $321K | 95,548 |
| 2026-05-11 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −400 | $236.53 | $95K | 95,148 |
| 2026-05-11 | Verma Kuntal Kumar Chief Manufacturing Officer | Sale 10b5-1 | −1,864 | $225.00 | $419K | 7,356 |
| 2026-05-11 | Verma Kuntal Kumar Chief Manufacturing Officer | Sale 10b5-1 | −352 | $230.00 | $81K | 7,004 |
| 2026-05-06 | Verma Kuntal Kumar Chief Manufacturing Officer | Sale | −270 | $218.16 | $59K | 9,220 |
| 2026-05-06 | Theurer Nathan B. VP - Global Controller and CAO | Sale 10b5-1 | −31 | $218.16 | $7K | 0 |
Page 4 of 18 · 343 trades