Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: ProFrac Holding Corp., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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ProFrac Holding Corp. May 27, 202695.3%
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ProFrac Holding Corp. May 28, 202598.7%
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ProFrac Holding Corp. May 30, 202497.5%
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Dawson Geophysical Company November 30, 202397.8%
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ProFrac Holding Corp. June 1, 202383.5%
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 27, 2026 | ProFrac Holding Corp. | Grant or award | +22,421 | — | — |
| May 29, 2025 | ProFrac Holding Corp. | Grant or award | +18,916 | — | — |
| May 20, 2025 | Dawson Geophysical Company | Grant or award | +3,055 | $1.33 | $4,063 |
| May 19, 2025 | Dawson Geophysical Company | Grant or award | +2,640 | $1.27 | $3,353 |
| May 16, 2025 | Dawson Geophysical Company | Grant or award | +3,555 | $1.29 | $4,586 |
| Oct 1, 2024 | Dawson Geophysical Company | Grant or award | +19,165 | — | — |
| May 31, 2024 | ProFrac Holding Corp. | Grant or award | +16,129 | — | — |
| Sep 13, 2023 | Dawson Geophysical Company | Derivative conversion | +5,811,765 | $1.70 | $9,880,001 |
| Jun 1, 2023 | ProFrac Holding Corp. | Grant or award | +12,777 | — | — |
Questions about Sergei Krylov
What boards is Sergei Krylov on?
Sergei Krylov sits on the boards of Dawson Geophysical Company and ProFrac Holding Corp.
How long has Sergei Krylov served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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