---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-001476"
form_type: "8-K"
ticker: "DWSN"
cik: "0000799165"
company_name: "DAWSON GEOPHYSICAL CO"
filed_at: "2022-01-05T23:59:59+00:00"
generated_at: "2026-06-27T20:47:23.893289+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Dawson amends merger agreement with Wilks to adjust tender offer extension thresholds

## Summary
- Amendment: if tendered shares + Wilks-owned shares reach 65% but <80%, Merger Sub must extend offer for 10, 14, and 4 business days in succession.
- Extensions are designed to give time to reach the 80% minimum condition required to close.
- Only Section 2.01(c) of the Merger Agreement was amended; all other terms remain unchanged.
- Merger Agreement originally announced Oct 25, 2021 and amended Dec 14, 2021.

## SEC filing metadata
- accession: 0001104659-22-001476
- form_type: 8-K
- ticker: DWSN
- cik: 0000799165
- company_name: DAWSON GEOPHYSICAL CO
- filed_at: 2022-01-05T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/799165/000110465922001476/0001104659-22-001476-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/799165/000110465922001476/tm221654d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-001476
- JSON: https://secwatch.observer/filing/0001104659-22-001476.json
- Plain text: https://secwatch.observer/filing/0001104659-22-001476.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.