Insider · CIK 0001594869
Sergei Krylov
Files at DWSN (DAWSON GEOPHYSICAL CO), ACDC (ProFrac Holding Corp.). First filing -, latest -.
In brief
Sergei Krylov files SEC Form 4 as director at DWSN (DAWSON GEOPHYSICAL CO), and also at ACDC (ProFrac Holding Corp.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Sergei Krylov has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 5 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 27, 2026 | ACDC ProFrac Holding Corp. | AGrant or award Class A Common Stock, par value $0.01 | +22,421 | $0.00 | $0 | 95,909 | May 29, 2026 |
| May 29, 2025 | ACDC ProFrac Holding Corp. | AGrant or award Class A Common Stock, par value $0.01 | +18,916 | $0.00 | $0 | 73,488 | Jun 2, 2025 |
| May 16, 2025 | DWSN DAWSON GEOPHYSICAL CO | AGrant or award Dawson Geophysical Company-Common Stock $0.01 par value | +3,555 | $1.29 | $4,586 | 22,720 | May 20, 2025 |
| May 19, 2025 | DWSN DAWSON GEOPHYSICAL CO | AGrant or award Dawson Geophysical Company-Common Stock $0.01 par value | +2,640 | $1.27 | $3,353 | 25,360 | May 20, 2025 |
| May 20, 2025 | DWSN DAWSON GEOPHYSICAL CO | AGrant or award Dawson Geophysical Company-Common Stock $0.01 par value | +3,055 | $1.33 | $4,063 | 28,415 | May 20, 2025 |
Questions about Sergei Krylov
Answered from the filings on this page, as of the latest one.
Is Sergei Krylov buying or selling?
Sergei Krylov has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Sergei Krylov's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Sergei Krylov has 0.
Where does Sergei Krylov file Form 4?
Sergei Krylov has filed Form 4 at DWSN (DAWSON GEOPHYSICAL CO); ACDC (ProFrac Holding Corp.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.