---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-073326"
form_type: "8-K"
ticker: "MYSE"
cik: "0001648960"
company_name: "Myseum.AI, Inc."
filed_at: "2025-08-08T23:59:59+00:00"
generated_at: "2026-05-17T16:38:00.348008+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# DatChat rebrands to Myseum, Inc.; ticker changes to MYSE and MYSEW on August 11

## Summary
- Company renamed from DatChat, Inc. to Myseum, Inc. effective August 7, 2025 via Nevada certificate of amendment.
- Common stock and Series A warrants will trade as MYSE and MYSEW on Nasdaq starting August 11, 2025.
- No shareholder vote required; stockholder rights and CUSIP numbers unchanged.
- Rebranding reflects strategic focus on Myseum social media platform; upcoming platform upgrade planned for fall.

## SEC filing metadata
- accession: 0001213900-25-073326
- form_type: 8-K
- ticker: MYSE
- cik: 0001648960
- company_name: Myseum.AI, Inc.
- filed_at: 2025-08-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1648960/000121390025073326/0001213900-25-073326-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1648960/000121390025073326/ea0252089-8k_myseum.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-073326
- JSON: https://secwatch.observer/filing/0001213900-25-073326.json
- Plain text: https://secwatch.observer/filing/0001213900-25-073326.txt

## Key facts
- Governance Changes
  Myseum.AI, Inc.: Company changed name from DatChat, Inc. to Myseum, Inc (effective 2025-08-07).
  - Change: charter amendment
  - Effective: 2025-08-07
  source text: On August 7, 2025, Myseum, Inc. (formerly, DatChat, Inc.) (the “Company”) filed a Certificate of Amendment to its Amended and Restated Articles of Incorporation (the “Charter Amendment”) with the Secretary of State of the State of Nevada to change the name of the Company to “Myseum, Inc.”
  evidence_url: https://www.sec.gov/Archives/edgar/data/1648960/000121390025073326/0001213900-25-073326-index.htm

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