Who
Sergei Krylov
Director
Company insider
Files Form 4 as: Director, ProFrac Holding; Director, Dawson Geophysical; President and CEO, Approach Resources.
In numbers
- Trades disclosed
- 32
- Buys
- 1
- Sells
- 1
- Bought
- $27K
- Sold
- $18K
- Companies
- 3
- Companies where not an officer
- 2
- First trade
- 3 Jan 2014
- Last trade
- 27 May 2026
- Last filed
- 29 May 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 | |
|---|---|---|---|---|
| 27 May 2026filed 29 May 2026 | ACDC ProFrac HoldingOilfield services | SEC FORM 4 Code A | —22,421 at $0.00 | filing |
| 27 May 2026filed 29 May 2026 | ACDC ProFrac HoldingOilfield services | SEC FORM 4 Code A | —22,421 at $0.00 | filing |
| 29 May 2025filed 2 Jun 2025 | ACDC ProFrac HoldingOilfield services | SEC FORM 4 Code A | —18,916 at $0.00 | filing |
| 20 May 2025filed 20 May 2025 | DWSN Dawson GeophysicalOilfield services | SEC FORM 4 Code A | $4,0633,055 at $1.33 | filing |
| 19 May 2025filed 20 May 2025 | DWSN Dawson GeophysicalOilfield services | SEC FORM 4 Code A | $3,3532,640 at $1.27 | filing |
| 16 May 2025filed 20 May 2025 | DWSN Dawson GeophysicalOilfield services | SEC FORM 4 Code A | $4,5863,555 at $1.29 | filing |
| 1 Oct 2024filed 4 Oct 2024 | DWSN Dawson GeophysicalOilfield services | SEC FORM 4 Code A | —19,165 at $0.00 | filing |
| 31 May 2024filed 4 Jun 2024 | ACDC ProFrac HoldingOilfield services | SEC FORM 4 Code A | —16,129 at $0.00 | filing |
| 1 Jun 2023filed 5 Jun 2023 | ACDC ProFrac HoldingOilfield services | SEC FORM 4 Code A | —12,777 at $0.00 | filing |
| 24 May 2022filed 26 May 2022 | ACDC ProFrac HoldingOilfield services | SEC FORM 4 Code A | —24,166 at $0.00 | filing |
| 17 May 2022filed 19 May 2022 | ACDC ProFrac HoldingOilfield services | SEC FORM 4 Bought | $27K1,500 at $18.00 | filing |
| 31 Dec 2019filed 3 Jan 2020 | Approach Resources | SEC FORM 4 Code D | —103,433 at $0.00 | filing |
| 31 Dec 2019filed 3 Jan 2020 | Approach Resources | SEC FORM 4 Code F | —27,135 at $0.00 | filing |
| 23 Jan 2019filed 25 Jan 2019 | Approach Resources | SEC FORM 4 Code D | —40,353 at $0.00 | filing |
| 23 Jan 2019filed 25 Jan 2019 | Approach Resources | SEC FORM 4 Code F | —36,035 at $0.00 | filing |
| 31 Dec 2018filed 2 Jan 2019 | Approach Resources | SEC FORM 4 Code F | —27,135 at $0.00 | filing |
| 28 Dec 2018filed 2 Jan 2019 | Approach Resources | SEC FORM 4 Sold | $18K18,921 at $0.93 | filing |
| 7 Mar 2018filed 9 Mar 2018 | Approach Resources | SEC FORM 4 Code F | —27,133 at $0.00 | filing |
| 7 Mar 2018filed 9 Mar 2018 | Approach Resources | SEC FORM 4 Code A | —83,268 at $0.00 | filing |
| 25 Jan 2018filed 29 Jan 2018 | Approach Resources | SEC FORM 4 Code D | —17,704 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.