William A. Zartler
Chairman and CEO at Solaris Energy Infrastructure Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Solaris Energy Infrastructure 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.
-
Solaris Energy Infrastructure Inc. May 15, 202696.6%
-
Solaris Energy Infrastructure Inc. May 16, 202395.8%
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 |
|---|---|---|---|---|---|
| Mar 1, 2026 | Solaris Energy Infrastructure Inc. | Grant or award | +150,000 | — | — |
| Mar 1, 2026 | Solaris Energy Infrastructure Inc. | Grant or award | +115,656 | — | — |
| Sep 9, 2025 | Solaris Energy Infrastructure Inc. | Open-market purchase | +10,000 | $24.83 | $248,300 |
| May 21, 2025 | Solaris Energy Infrastructure Inc. | Open-market purchase | +10,000 | $21.78 | $217,800 |
| Mar 7, 2025 | Solaris Energy Infrastructure Inc. | Open-market purchase | +10,000 | $23.23 | $232,300 |
| Mar 6, 2025 | Solaris Energy Infrastructure Inc. | Grant or award | +10,000 | $24.07 | $240,700 |
| Mar 1, 2025 | Solaris Energy Infrastructure Inc. | Grant or award | +225,378 | — | — |
| Mar 1, 2025 | Solaris Energy Infrastructure Inc. | Shares withheld for tax | −81,114 | $34.15 | $2,770,043 |
| Mar 1, 2024 | Solaris Energy Infrastructure Inc. | Grant or award | +267,411 | — | — |
| Mar 1, 2024 | Solaris Energy Infrastructure Inc. | Shares withheld for tax | −52,588 | $8.47 | $445,420 |
| Mar 1, 2023 | Solaris Energy Infrastructure Inc. | Grant or award | +150,000 | — | — |
| Mar 1, 2023 | Solaris Energy Infrastructure Inc. | Shares withheld for tax | −38,035 | $8.93 | $339,653 |
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