---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-035115"
form_type: "8-K"
ticker: "GEOS"
cik: "0001001115"
company_name: "GEOSPACE TECHNOLOGIES CORP"
filed_at: "2023-12-21T23:59:59+00:00"
generated_at: "2026-06-07T08:39:34.156308+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Geospace appoints Stephen Jumper, former Dawson CEO, to board

## Summary
- Stephen C. Jumper appointed Class II director effective Dec 21, 2023, term expiring at 2024 annual meeting.
- Jumper was Chairman, President & CEO of Dawson Geophysical (DWSN) until Dec 2023; 30+ years in seismic industry.
- Geospace sold $603,364 (FY2023) and $382,208 (FY2022) in equipment to Dawson; transactions deemed not impairing independence.
- Jumper will receive standard non-employee director compensation as described in Jan 2023 proxy statement.

## SEC filing metadata
- accession: 0001437749-23-035115
- form_type: 8-K
- ticker: GEOS
- cik: 0001001115
- company_name: GEOSPACE TECHNOLOGIES CORP
- filed_at: 2023-12-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1001115/000143774923035115/0001437749-23-035115-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1001115/000143774923035115/geos20231221_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-035115
- JSON: https://secwatch.observer/filing/0001437749-23-035115.json
- Plain text: https://secwatch.observer/filing/0001437749-23-035115.txt

## Key facts
- Executive change
  Stephen C. Jumper was appointed as Class II Director at GEOSPACE TECHNOLOGIES CORP.
  - Action: appointed
  - Role: Class II Director
  source text: On December 21, 2023, the board of directors (the “Board”) of Geospace Technologies Corporation (the “Company”) appointed Stephen C. Jumper as a Class II director of the Company for an initial term expiring at the Company’s annual meeting in 2024
  evidence_url: https://www.sec.gov/Archives/edgar/data/1001115/000143774923035115/0001437749-23-035115-index.htm

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