Who
Mark R. Widmar
Director
Company insider
Files Form 4 as: Director, Albemarle; Chief Executive Officer, First Solar; VP & CFO, GrafTech International.
In numbers
- Trades disclosed
- 461
- Buys
- 1
- Sells
- 47
- Bought
- $92K
- Sold
- $95.7M
- Companies
- 3
- Companies where not an officer
- 1
- First trade
- 8 May 2006
- Last trade
- 1 Jul 2026
- Last filed
- 6 Jul 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 1 Jul 2026filed 6 Jul 2026 | ALB Albemarleoption or derivative · Battery & Lithium | SEC FORM 4 Code A | —1,250 at $0.00 | filing |
| 1 Jul 2026filed 6 Jul 2026 | ALB Albemarleoption or derivative · Battery & Lithium | SEC FORM 4 Code A | —1,250 at $0.00 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $97K364 at $265.15 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $330K1,237 at $266.60 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $168K628 at $267.72 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $271K1,009 at $268.89 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $171K632 at $270.05 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $197K726 at $271.23 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $129K473 at $273.17 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $35K126 at $276.29 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $97K364 at $265.15 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $330K1,237 at $266.60 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $168K628 at $267.72 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $271K1,009 at $268.89 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $171K632 at $270.05 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $197K726 at $271.23 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $129K473 at $273.17 | filing |
| 26 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $35K126 at $276.29 | filing |
| 22 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $60K239 at $250.02 | filing |
| 22 May 2026filed 27 May 2026 | FSLR First SolarSolar & Renewables | SEC FORM 4 Sold | $43K172 at $251.53 | filing |
News
India's first solar mission Aditya-L1 generates Doppler velocity images of the solar coronaFSLR · thehindu.com · 20 Oct 2026First Solar (FSLR) Has a Huge Backlog. Will New Orders Deliver the Cash?FSLR · insidermonkey.com · 20 Oct 2026Sunrun Sinks 5% Toward 52-Week Low Ahead of Earnings; Enphase Energy and First Solar SlipFSLR · aol.com · 19 Oct 2026
0 headlines in the last 90 days name Mark R. Widmar; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.