Dawson Geophysical DWSN Insider Ownership

NASDAQ DWSN
$2.88 -0.02 (-0.69%)
At close: Sep 29, 2026 · 4:00 PM EDT

Insider Holdings by Owner

24.98Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
80.43%
■0% pp QoQ
Shares Held by Insiders
24.98Mn
filed for Sep 2026
■0.00% QoQ
Shares Outstanding
31.05Mn
31,052,871 shares
Direct Holdings
366.41K
Indirect: 24.61Mn
Net Shares Traded (QoQ)
0
no net change in Sep 2026
Insiders Holding Shares
8
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Quarter ending 30 Sep, 2026

Dawson Geophysical's top three insider shareholders as of September 29, 2026 are Brothers, Llc Wilks (Director, 24.61Mn shares), William Anthony Clark (Ceo President, 151.85K shares), Ray L Mays (Evp Chief Operating Officer, 108.65K shares).

Form 4 Holdings

Insiders Holding DWSN

Insiders 8
Shares held 24.98Mn
Of outstanding 80.43%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Brothers, Llc Wilks Director, TenPercentOwner 0 24,609,095 24,609,095 98.5% 30 Oct, 2023
2 William Anthony Clark Ceo President 151,850 0 151,850 0.6% 28 Oct, 2025
3 Ray L Mays Evp Chief Operating Officer 108,650 0 108,650 0.4% 01 Jul, 2026
4 Sergei Krylov Director 28,415 0 28,415 0.1% 20 May, 2025
5 Ian M. Shaw Chief Financial Officer 20,000 0 20,000 0.1% 18 Aug, 2025
6 Bruce Franklin Bradley Director 19,165 0 19,165 0.1% 04 Oct, 2024
7 Albert S. Conly Director 19,165 0 19,165 0.1% 04 Oct, 2024
8 Jose Carlos Fernandes Director 19,165 0 19,165 0.1% 04 Oct, 2024

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

387 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
30 Jun, 2026 Ray L Mays Evp Chief Operating Officer Acquired A 150 $0.00 $0 108,650 Direct
31 Dec, 2025 Farris Wilks Director, TenPercentOwner Disposed J 15,547,010 — — — Indirect
27 Oct, 2025 Ray L Mays Evp Chief Operating Officer Acquired A 100,000 $0.00 $0 108,500 Direct
27 Oct, 2025 William Anthony Clark Ceo President Acquired A 150,000 $0.00 $0 151,850 Direct
09 Sep, 2025 William Anthony Clark Ceo President Acquired A 550 $1.59 $875 1,850 Direct
20 Aug, 2025 William Anthony Clark Ceo President Acquired A 500 $1.40 $700 1,300 Direct
15 Aug, 2025 Ian M. Shaw Chief Financial Officer Acquired A 5,000 $1.28 $6.40K 15,000 Direct
15 Aug, 2025 Ray L Mays Evp Chief Operating Officer Acquired A 500 $1.29 $645 4,950 Direct
18 Aug, 2025 Ian M. Shaw Chief Financial Officer Acquired A 5,000 $1.35 $6.75K 20,000 Direct
15 Aug, 2025 Ray L Mays Evp Chief Operating Officer Acquired A 500 $1.28 $640 5,450 Direct
18 Aug, 2025 Ray L Mays Evp Chief Operating Officer Acquired A 1,000 $1.38 $1.38K 6,450 Direct
18 Aug, 2025 Ray L Mays Evp Chief Operating Officer Acquired A 1,000 $1.39 $1.39K 7,450 Direct
18 Aug, 2025 Ray L Mays Evp Chief Operating Officer Acquired A 1,050 $1.40 $1.47K 8,500 Direct
13 Jun, 2025 William Anthony Clark Ceo President Acquired A 50 $1.36 $68 800 Direct
06 Jun, 2025 William Anthony Clark Ceo President Acquired A 600 $1.31 $786 750 Direct
16 May, 2025 Sergei Krylov Director Acquired A 3,555 $1.29 $4.59K 22,720 Direct
16 May, 2025 Ian M. Shaw Chief Financial Officer Acquired A 2,855 $1.28 $3.65K 2,855 Direct
16 May, 2025 Ray L Mays Evp Chief Operating Officer Acquired A 600 $1.28 $768 600 Direct
19 May, 2025 Sergei Krylov Director Acquired A 2,640 $1.27 $3.35K 25,360 Direct
19 May, 2025 Ray L Mays Evp Chief Operating Officer Acquired A 900 $1.31 $1.18K 1,500 Direct