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 |
|---|---|---|---|---|---|---|
| 2026-05-26 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −632 | $270.05 | $171K | 83,186 |
| 2026-05-26 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −726 | $271.23 | $197K | 82,460 |
| 2026-05-26 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −473 | $273.17 | $129K | 81,987 |
| 2026-05-26 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −126 | $276.29 | $35K | 81,861 |
| 2026-05-22 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −239 | $250.02 | $60K | 88,794 |
| 2026-05-22 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −172 | $251.53 | $43K | 88,622 |
| 2026-05-22 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −97 | $252.87 | $25K | 88,525 |
| 2026-05-22 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −218 | $253.63 | $55K | 88,307 |
| 2026-05-22 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −916 | $254.93 | $234K | 87,391 |
| 2026-05-22 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −64 | $255.59 | $16K | 87,327 |
| 2026-05-22 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −75 | $256.32 | $19K | 87,252 |
| 2026-05-22 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −149 | $257.55 | $38K | 87,103 |
| 2026-05-22 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −47 | $258.48 | $12K | 87,056 |
| 2026-05-21 | Verma Kuntal Kumar Chief Manufacturing Officer | Sale 10b5-1 | −582 | $250.00 | $146K | 4,967 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −672 | $240.10 | $161K | 93,176 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −362 | $241.40 | $87K | 92,814 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −136 | $244.62 | $33K | 92,678 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −229 | $246.23 | $56K | 92,449 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −98 | $247.53 | $24K | 92,351 |
| 2026-05-21 | Widmar Mark R Chief Executive Officer | Sale 10b5-1 | −179 | $248.80 | $45K | 92,172 |
Page 3 of 18 · 343 trades