Sergei Krylov

CIK: 0001594869

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)6 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

ACDC

ProFrac Holding Corp.

Director

DWSN

DAWSON GEOPHYSICAL CO

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

ACDC
ProFrac Holding Corp.
May 27, 2026
Award(A)
Direct
22.4K shares-
ACDC
ProFrac Holding Corp.
May 29, 2025
Award(A)
Direct
18.9K shares-
DWSN
DAWSON GEOPHYSICAL CO
May 20, 2025
Award(A)
Direct
3.1K shares at avg. $1.33$4K
DWSN
DAWSON GEOPHYSICAL CO
May 19, 2025
Award(A)
Direct
2.6K shares at avg. $1.27$3K
DWSN
DAWSON GEOPHYSICAL CO
May 16, 2025
Award(A)
Direct
3.6K shares at avg. $1.29$5K
DWSN
DAWSON GEOPHYSICAL CO
Oct 1, 2024
Award(A)
Direct
19.2K shares-

		Type	Shares	Price		Ownership
May 27, 2026	ACDC ProFrac Holding Corp.	Award(A)	22,421	-	$0	Direct
May 29, 2025	ACDC ProFrac Holding Corp.	Award(A)	18,916	-	-	Direct
May 20, 2025	DWSN DAWSON GEOPHYSICAL CO	Award(A)	3,055	$1.33	$4,063	Direct
May 19, 2025	DWSN DAWSON GEOPHYSICAL CO	Award(A)	2,640	$1.27	$3,353	Direct
May 16, 2025	DWSN DAWSON GEOPHYSICAL CO	Award(A)	3,555	$1.29	$4,586	Direct
Oct 1, 2024	DWSN DAWSON GEOPHYSICAL CO	Award(A)	19,165	-	$0	Direct

1-6 of 6 transactions

About Krylov Sergei

Krylov Sergei (SEC CIK 0001594869) files insider reports with the SEC as Director of ProFrac Holding Corp. (ACDC) and Director of DAWSON GEOPHYSICAL CO (DWSN).

Signal8 holds 4 ownership filings by Krylov Sergei, all Form 4s, filed between Oct 4, 2024 and May 29, 2026. Those filings report 6 transactions, from Oct 1, 2024 to May 27, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Krylov Sergei's filings is in MIDLAND, TX.

Recent filings by Krylov Sergei

May 27, 2026: Grant or award of ACDC shares (Form 4, code A).
May 29, 2025: Grant or award of ACDC shares (Form 4, code A).
May 20, 2025: Grant or award of DWSN shares (Form 4, code A).
May 19, 2025: Grant or award of DWSN shares (Form 4, code A).
May 16, 2025: Grant or award of DWSN shares (Form 4, code A).

Other insiders filing for ProFrac Holding Corp. (ACDC)

THRC Holdings, LP, 10% Owner
Wilks Dan H., 10% Owner
Wilks Matthew, Chief Executive Officer
Wilks Johnathan Ladd, Director
Wilks Farris, 10% Owner
HADDOCK GERALD W, Director

How to read Form 4 transaction codes