Sergei Krylov

Companies

• ProFrac Holding Corp.Board member May 12, 2022 to now¹
• DAWSON GEOPHYSICAL COBoard member Jan 27, 2022 to now²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• PProFrac Holding Corp. ACDC95,909 shares³$386.5K at $4.03May 27, 2026
• DGDAWSON GEOPHYSICAL CO DWSN28,415 shares⁴$63.4K at $2.23May 20, 2025

As of each latest filing. The line shows shares held over time.

Recent filings

• May 27, 2026Granted 22,421 shares of ProFrac Holding Corp.³
• May 29, 2025Granted 18,916 shares of ProFrac Holding Corp.⁵
• May 20, 2025Granted 3,055 shares at $1.33 of DAWSON GEOPHYSICAL CO⁴
• May 19, 2025Granted 2,640 shares at $1.27 of DAWSON GEOPHYSICAL CO⁴
• May 16, 2025Granted 3,555 shares at $1.29 of DAWSON GEOPHYSICAL CO⁴
• Oct 1, 2024Granted 19,165 shares of DAWSON GEOPHYSICAL CO⁶
• May 31, 2024Granted 16,129 shares of ProFrac Holding Corp.⁷
• Jun 1, 2023Granted 12,777 shares of ProFrac Holding Corp.⁸
• May 24, 2022Granted 24,166 shares of ProFrac Holding Corp.⁹
• May 17, 2022Bought 1,500 shares at $18.00 of ProFrac Holding Corp.¹⁰