FSLR
FIRST SOLAR, INC.
Latest Form 4:Sale$28KbySloan Samantha L. (EVP, Corporate Affairs) · filed Aug 18, 2026
FIRST SOLAR, INC. (FSLR) has 103 SEC Form 4 filings (280 transaction rows) in the rolling window, disclosed by 13 distinct insiders. Most recent filing: Aug 18, 2026.
The most active filer is Chief Manufacturing Officer Verma Kuntal Kumar with 12 filings. Insiders have net sold $30.2M over the trailing 6 months.
- Industry:Solar
- CEO:Mark R. Widmar
- Employees:8,100
- HQ:Phoenix, AZ, US
- IPO:2006-11-17
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$43.2M
reported sales (SEC code S)
Unique Insiders
13
in the rolling window
Market Cap
$22.0B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
Sloan Samantha L.First in 3 months | EVP, Corporate Affairs | Sale | 127 | $28K | Aug 18 | SEC ↗ |
Dymbort Jason E.First in 3 months | General Counsel and Secretary | Sale | 3,700 | $923K | Aug 12 | SEC ↗ |
Gloeckler MarkusFirst in 3 months | Chief Technology Officer | Sale | 3,425 | $750K | Aug 5 | SEC ↗ |
Gloeckler MarkusFirst in 3 months | Chief Technology Officer | Sale | 829 | $206K | Aug 5 | SEC ↗ |
Koralewski MichaelFirst in 3 months | Chief Supply Chain Officer | Sale | 7,000 | $1.6M | Aug 5 | SEC ↗ |
| Chief Product Officer | Sale | 3,000 | $906K | Jun 3 | SEC ↗ | |
| Chief People and Comm. Officer | Sale | 10,628 | $2.9M | Jun 1 | SEC ↗ | |
| Chief Executive Officer | Sale | 1,977 | $502K | May 27 | SEC ↗ | |
| Chief Executive Officer | Sale | 5,195 | $1.4M | May 27 | SEC ↗ | |
| Chief Executive Officer | Sale | 4,815 | $1.2M | May 22 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 582 | $146K | May 22 | SEC ↗ | |
| Chief Executive Officer | Sale | 9,926 | $2.3M | May 13 | SEC ↗ | |
| Chief Executive Officer | Sale | 1,300 | $312K | May 13 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 2,216 | $500K | May 13 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 1,455 | $349K | May 13 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 270 | $59K | May 8 | SEC ↗ | |
| VP - Global Controller and CAO | Sale | 31 | $7K | May 8 | SEC ↗ | |
| General Counsel and Secretary | Sale | 228 | $50K | May 8 | SEC ↗ | |
| Chief Financial Officer | Sale | 498 | $107K | May 5 | SEC ↗ | |
| Chief Supply Chain Officer | Sale | 215 | $46K | May 5 | SEC ↗ | |
| Chief Product Officer | Sale | 235 | $51K | May 5 | SEC ↗ | |
| General Counsel and Secretary | Sale | 409 | $88K | May 5 | SEC ↗ | |
| Chief Technology Officer | Sale | 420 | $91K | May 5 | SEC ↗ | |
| EVP, Corporate Affairs | Sale | 19 | $4K | May 5 | SEC ↗ | |
| Chief People and Comm. Officer | Sale | 262 | $56K | May 5 | SEC ↗ | |
| VP - Global Controller and CAO | Sale | 13 | $3K | May 5 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 479 | $103K | May 5 | SEC ↗ | |
| Chief Executive Officer | Sale | 1,526 | $329K | May 5 | SEC ↗ | |
| Chief Commercial Officer | Sale | 566 | $122K | May 5 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 573 | $120K | Apr 16 | SEC ↗ | |
| Chief Financial Officer | Sale | 590 | $118K | Mar 17 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,106 | $2.8M | Mar 17 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 392 | $79K | Mar 17 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 180 | $36K | Mar 17 | SEC ↗ | |
| General Counsel and Secretary | Sale | 358 | $72K | Mar 17 | SEC ↗ | |
| General Counsel and Secretary | Sale | 9,022 | $1.8M | Mar 17 | SEC ↗ | |
| VP - Global Controller and CAO | Sale | 35 | $7K | Mar 17 | SEC ↗ | |
| VP - Global Controller and CAO | Sale | 96 | $19K | Mar 17 | SEC ↗ | |
| Chief Commercial Officer | Sale | 245 | $49K | Mar 17 | SEC ↗ | |
| Chief Supply Chain Officer | Sale | 264 | $53K | Mar 17 | SEC ↗ | |
| Chief Executive Officer | Sale | 1,937 | $389K | Mar 17 | SEC ↗ | |
| EVP, Corporate Affairs | Sale | 120 | $24K | Mar 17 | SEC ↗ | |
| Chief People and Comm. Officer | Sale | 335 | $67K | Mar 17 | SEC ↗ | |
| Chief Technology Officer | Sale | 368 | $74K | Mar 17 | SEC ↗ | |
| Chief Product Officer | Sale | 180 | $36K | Mar 17 | SEC ↗ | |
| VP - Global Controller and CAO | Sale | 324 | $63K | Mar 11 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 408 | $80K | Mar 11 | SEC ↗ | |
| Chief Product Officer | Sale | 697 | $133K | Mar 10 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 1,386 | $264K | Mar 10 | SEC ↗ | |
| Chief People and Comm. Officer | Sale | 1,041 | $198K | Mar 10 | SEC ↗ | |
| EVP, Corporate Affairs | Sale | 303 | $58K | Mar 10 | SEC ↗ | |
| Chief Technology Officer | Sale | 1,325 | $252K | Mar 10 | SEC ↗ | |
| General Counsel and Secretary | Sale | 1,305 | $248K | Mar 10 | SEC ↗ | |
| VP - Global Controller and CAO | Sale | 157 | $30K | Mar 10 | SEC ↗ | |
| Chief Commercial Officer | Sale | 791 | $151K | Mar 10 | SEC ↗ | |
| Chief Financial Officer | Sale | 1,756 | $334K | Mar 10 | SEC ↗ | |
| Chief Executive Officer | Sale | 5,537 | $1.1M | Mar 10 | SEC ↗ | |
| Chief Supply Chain Officer | Sale | 756 | $144K | Mar 10 | SEC ↗ | |
| Chief Technology Officer | Sale | 3,640 | $717K | Mar 5 | SEC ↗ | |
| VP - Global Controller and CAO | Sale | 92 | $18K | Mar 5 | SEC ↗ | |
| Chief Manufacturing Officer | Sale | 728 | $143K | Mar 5 | SEC ↗ | |
Bradley Alexander R.First filing | Chief Financial Officer | Sale | 3,194 | $626K | Mar 3 | SEC ↗ |
Sloan Samantha L.First in 6 months | EVP, Corporate Affairs | Sale | 111 | $22K | Mar 3 | SEC ↗ |
ANTOUN GEORGESFirst in 4 months | Chief Commercial Officer | Sale | 1,958 | $382K | Mar 3 | SEC ↗ |
Buehler Patrick JamesFirst filing | Chief Product Officer | Sale | 1,361 | $267K | Mar 3 | SEC ↗ |
Stockdale CarolineFirst filing | Chief People and Comm. Officer | Sale | 1,650 | $323K | Mar 3 | SEC ↗ |
Koralewski MichaelFirst filing | Chief Supply Chain Officer | Sale | 1,330 | $261K | Mar 3 | SEC ↗ |
Verma Kuntal KumarFirst filing | Chief Manufacturing Officer | Sale | 3,426 | $671K | Mar 3 | SEC ↗ |
Widmar Mark RFirst filing | Chief Executive Officer | Sale | 7,738 | $1.5M | Mar 3 | SEC ↗ |
Dymbort Jason E.First filing | General Counsel and Secretary | Sale | 3,273 | $641K | Mar 3 | SEC ↗ |
Theurer Nathan B.First filing | VP - Global Controller and CAO | Sale | 49 | $10K | Mar 3 | SEC ↗ |
Gloeckler MarkusFirst filing | Chief Technology Officer | Sale | 3,425 | $671K | Mar 3 | SEC ↗ |
STEBBINS PAUL HFirst filing | Director | Sale | 7,000 | $1.8M | Nov 10 | SEC ↗ |
Sweeney Michael TFirst filing | Director | Sale | 4,500 | $1.2M | Nov 10 | SEC ↗ |
ANTOUN GEORGESFirst filing | Chief Commercial Officer | Sale | 37,412 | $9.9M | Nov 6 | SEC ↗ |
Sloan Samantha L.First filing | EVP, Corporate Affairs | Sale | 140 | $26K | Sep 3 | SEC ↗ |
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FIRST SOLAR, INC. is in the Technology sector.