---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-21-046908"
form_type: "8-K"
ticker: "GDC"
cik: "0001641398"
company_name: "GD Culture Group Ltd"
filed_at: "2021-09-07T23:59:59+00:00"
generated_at: "2026-06-29T05:32:21.595342+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Code Chain appoints Tingjun Yang as Co-CEO, replacing Yimin Jin

## Summary
- Yimin Jin resigned as Co-CEO effective Sept 7, 2021; no disagreement cited.
- Tingjun Yang appointed Co-CEO same day; formerly CTO of Phantec BigData Technology.
- Yang's annual base salary is $50,000; eligible for bonuses and equity incentives.
- Employment agreement has 3-year initial term, auto-renews annually unless notice given.
- Yang holds a doctorate and bachelor's in Computer Science from Zhejiang University.

## SEC filing metadata
- accession: 0001213900-21-046908
- form_type: 8-K
- ticker: GDC
- cik: 0001641398
- company_name: GD Culture Group Ltd
- filed_at: 2021-09-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1641398/000121390021046908/0001213900-21-046908-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1641398/000121390021046908/ea147022-8k_codechain.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-21-046908
- JSON: https://secwatch.observer/filing/0001213900-21-046908.json
- Plain text: https://secwatch.observer/filing/0001213900-21-046908.txt

## Key facts
- Executive change
  Yimin Jin resigned as Co-Chief Executive Officer at GD Culture Group Ltd.
  - Action: resigned
  - Role: Co-Chief Executive Officer
  source text: Yimin Jin tendered his resignation as Co-Chief Executive Officer of Code Chain New Continent Limited (the “Company”), effective September 7, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1641398/000121390021046908/0001213900-21-046908-index.htm
- Executive change
  Tingjun Yang was appointed as Co-Chief Executive Officer at GD Culture Group Ltd.
  - Action: appointed
  - Role: Co-Chief Executive Officer
  source text: Tingjun Yang was appointed as the Co-Chief Executive Officer of the Company, effective September 7, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1641398/000121390021046908/0001213900-21-046908-index.htm

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