Mark R. Widmar
Chief Executive Officer at First Solar Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 2 boards, counting each seat separately. Longest: First Solar Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
First Solar Inc. May 13, 202695.4%
-
Albemarle Corporation May 5, 202699.4%
-
First Solar Inc. May 14, 202595.1%
-
First Solar Inc. May 8, 202498.3%
-
First Solar Inc. May 9, 202398.2%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 26, 2026 | First Solar Inc. | Open-market sale | −364 | $265.15 | $96,515 |
| May 26, 2026 | First Solar Inc. | Open-market sale | −1,237 | $266.60 | $329,784 |
| May 26, 2026 | First Solar Inc. | Open-market sale | −628 | $267.72 | $168,128 |
| May 26, 2026 | First Solar Inc. | Open-market sale | −1,009 | $268.89 | $271,310 |
| May 26, 2026 | First Solar Inc. | Open-market sale | −632 | $270.05 | $170,672 |
| May 26, 2026 | First Solar Inc. | Open-market sale | −726 | $271.23 | $196,913 |
| May 26, 2026 | First Solar Inc. | Open-market sale | −473 | $273.17 | $129,209 |
| May 26, 2026 | First Solar Inc. | Open-market sale | −126 | $276.29 | $34,813 |
| May 22, 2026 | First Solar Inc. | Open-market sale | −239 | $250.02 | $59,755 |
| May 22, 2026 | First Solar Inc. | Open-market sale | −172 | $251.53 | $43,263 |
| May 22, 2026 | First Solar Inc. | Open-market sale | −97 | $252.87 | $24,528 |
| May 22, 2026 | First Solar Inc. | Open-market sale | −218 | $253.63 | $55,291 |
| May 22, 2026 | First Solar Inc. | Open-market sale | −916 | $254.93 | $233,516 |
| May 22, 2026 | First Solar Inc. | Open-market sale | −64 | $255.59 | $16,358 |
| May 22, 2026 | First Solar Inc. | Open-market sale | −75 | $256.32 | $19,224 |
Questions about Mark R. Widmar
What boards is Mark R. Widmar on?
Mark R. Widmar sits on the boards of Albemarle Corporation and First Solar Inc.
What company is Mark R. Widmar the CEO of?
Mark R. Widmar is Chief Executive Officer of First Solar Inc.
How long has Mark R. Widmar served on boards?
Our records show at least 4 years of board service across 2 boards, the earliest from 2023.
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.