Recent 8-K filings for MYSE

• May 18, 2026, 7:53 PM ET other material materiality 0.30 positive item 8.01item 9.01

  Myseum.AI updates on AI development, patents, and marketing head appointment

  Integrating Claude AI to accelerate Picture Party platform development.

• May 14, 2026, 7:02 AM ET other materiality 0.00 neutral item 8.01item 9.01

  Myseum.AI files investor presentation with no new material facts disclosed

  Filed a slide deck (Exhibit 99.1) for use in management presentations starting May 14, 2026.

• April 29, 2026, 7:59 PM ET leadership materiality 0.35 positive item 8.01item 9.01

  Myseum.AI appoints Ian Goldberg as Head of Marketing, Partnerships & Monetization

  Ian Goldberg, former iSport360 founder & CEO, joins Myseum.AI in newly created role.

• April 28, 2026, 7:59 PM ET other materiality 0.25 neutral item 8.01item 9.01

  Myseum.AI to showcase Picture Party at Florida Bridal Expo on June 14, 2026

  Company will exhibit Picture Party, a private social network for couples to share wedding photos real-time, at ACS Florida Bridal & Wedding Expo.

• April 23, 2026, 7:59 PM ET other material materiality 0.65 neutral item 5.02item 8.01item 9.01

  Myseum.AI accepted into AMD AI Developer Program; files for $2.75M ATM offering; CTO salary increased

  CTO Peter Shelus annual salary raised from $275K to $350K effective April 17, 2026.

• April 15, 2026, 7:59 PM ET other material materiality 0.30 neutral item 5.03item 8.01item 9.01 ◈ Governance Changes

  Myseum rebrands as Myseum.AI, shifts focus to privacy-first agentic AI social platforms

  Name changed to Myseum.AI, Inc. effective April 15, 2026 via Nevada Certificate of Amendment.

• April 6, 2026, 7:59 PM ET other material materiality 0.60 positive item 8.01item 9.01

  Myseum enters $14B enterprise social network market with subscription platform; aims for 10,000 weddings

  Launched subscription-based Picture Party Enterprise Platform for organizations; addresses estimated $14B enterprise social networking market (2026), growing to $37B by 2035.

• March 19, 2026, 7:59 PM ET other material materiality 0.70 positive item 8.01item 9.01

  Myseum launches affiliate program for Picture Party; granted US patent for core private social networking tech

  Affiliate program launched to build performance-based domestic/international salesforce for Picture Party platform.

• March 11, 2026, 7:59 PM ET other material materiality 0.60 positive item 8.01item 9.01

  Myseum launches licensing program for proprietary screenshot prevention technology

  Technology prevents screenshots, returns blank, self-destructs message and notifies original sender.

• February 23, 2026, 6:59 PM ET other material materiality 0.35 positive item 8.01item 9.01

  Myseum: Kevin O'Leary video promotes Picture Party; new patent allowed

  Kevin O'Leary ('Mr. Wonderful') created a sponsored video highlighting Myseum's flagship app Picture Party.

• February 13, 2026, 6:59 PM ET other material materiality 0.40 positive item 8.01item 9.01

  Myseum to launch Picture Party for Business in March 2026; targets influencer and safe social media

  Picture Party for Business platform scheduled for March 2026 release; will offer subscriptions and in-app purchases.

• February 6, 2026, 6:59 PM ET other material materiality 0.50 neutral item 1.01item 9.01 ◈ Material Agreements

  Myseum enters into $3.5M ATM equity offering agreement with Benchmark

  First Amendment to Sales Agreement dated Feb 6, 2026, for at-the-market offering of up to $3,500,000 of common stock.

• February 5, 2026, 6:59 PM ET other material materiality 0.55 positive item 8.01item 9.01

  Myseum granted U.S. Patent #12,524,507 for secure streaming and content sharing technology

  Patent covers Secure WebRTC Real Time Communications Service for audio/video with P2P and end-to-end encryption.

• January 30, 2026, 6:59 PM ET other material materiality 0.15 neutral item 8.01item 9.01

  Myseum announces Gold Sponsorship of The Photo Managers 2026 conference, launches Picture Party user ad campaign

  Gold Sponsor of The Photo Managers conference April 9-10, 2026; Picture Party named endorsed photo-sharing platform.

• January 13, 2026, 6:59 PM ET other material materiality 0.50 neutral item 8.01item 9.01

  Myseum launches Picture Party iOS & Android app across North America

  Official release of Picture Party by Myseum on iOS and Android in North America on Jan 13, 2026.

• December 18, 2025, 6:59 PM ET other material materiality 0.60 positive item 8.01item 9.01

  Myseum launches 'Picture Party by Myseum' social sharing platform with iOS beta

  Launched iOS beta of 'Picture Party by Myseum', a private sharing platform; Android version expected by end of 2025.

• December 16, 2025, 6:59 PM ET M&A materiality 0.75 positive item 1.01item 8.01item 9.01

  Myseum forgives $5.2M RPM debt and sells 34% stake to Avalon GloboCare for ~$6.5M

  Forgave $5,202,132 in advances to RPM Interactive without any payment or other consideration.

• December 4, 2025, 6:59 PM ET other material materiality 0.60 positive item 8.01item 9.01

  Myseum receives patent allowance for core 'Picture Party' social media technology

  Received USPTO notice of allowance for patent on 'Time Bound Event Creation and Management Based on User Specific Media Permissions'.

• November 4, 2025, 6:59 PM ET other material materiality 0.00 neutral item 8.01item 9.01

  Myseum files presentation materials; no new financial disclosures

  Filed presentation materials for use in investor meetings effective Nov. 4, 2025.

• October 16, 2025, 7:59 PM ET other material materiality 0.40 positive item 8.01item 9.01

  Myseum announces USPTO patent allowance for secure WebRTC communications; Picture Party platform launch planned for fall

  Received notice of allowance from USPTO for patent #18/487,726 on secure WebRTC real-time audio and video streaming.

• October 14, 2025, 7:59 PM ET other material materiality 0.40 positive item 8.01item 9.01

  Myseum granted Israeli patent for digital privacy technology; IP portfolio grows to 18 patents

  Israel Patent Office granted patent no. 290546 for "Systems and Methods of Transforming Electronic Content".

• October 8, 2025, 7:59 PM ET other material materiality 0.65 positive item 8.01item 9.01

  Myseum outlines fall launch of 'Picture Party' platform with anti-AI protection, partners with Spitball and Otter PR

  New 'Picture Party by Myseum' social sharing platform launching fall 2025 with anti-AI protection technology.

• October 2, 2025, 7:59 PM ET other material materiality 0.30 neutral item 8.01item 9.01

  Myseum partners with Spitball for branding of Picture Party social sharing platform

  Spitball to handle branding, digital marketing, website design, content creation and advertising for "Picture Party by Myseum".

• August 8, 2025, 7:59 PM ET other material materiality 0.40 neutral item 5.03item 8.01item 9.01 ◈ Governance Changes

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

  Company renamed from DatChat, Inc. to Myseum, Inc. effective August 7, 2025 via Nevada certificate of amendment.

• August 6, 2025, 7:59 PM ET other material materiality 0.50 neutral item 5.02item 5.07item 9.01

  DatChat shareholders approve equity plan amendment increasing authorized shares to 1M

  Annual meeting held Aug 6, 2025; all five director nominees re-elected.

• July 31, 2025, 7:59 PM ET other material materiality 0.60 positive item 8.01item 9.01

  DatChat granted Canadian patent for digital privacy tech; IP portfolio now 17 patents

  Canadian Patent No. 3,149,004 granted for 'Systems And Methods Of Transforming Electronic Content'.

• June 20, 2025, 7:59 PM ET other material materiality 0.50 neutral item 8.01item 9.01

  DatChat subsidiary RPM Interactive files for IPO; DatChat retains 34% stake

  RPM Interactive, an AI-generated publishing and software firm, filed Form S-1 for an IPO on the Nasdaq Capital Market under ticker "RPMI".

• June 3, 2025, 7:59 PM ET other materiality 0.10 neutral item 5.08

  DatChat amends 2025 annual meeting to in-person at NJ office

  Annual meeting date remains August 6, 2025.

• May 29, 2025, 7:59 PM ET other material materiality 0.20 neutral item 5.08

  DatChat sets 2025 annual meeting for Aug 6, shareholder proposal deadline June 8

  2025 Annual Meeting to be held virtually on August 6, 2025; record date June 12, 2025.

• April 21, 2025, 7:59 PM ET other material materiality 0.40 positive item 8.01item 9.01

  DatChat receives European patent allowance for privacy tech; IP portfolio at 15 patents

  European Patent Office issued Notice of Allowance for patent application 'Systems and Methods of Transforming Electronic Content'.

• April 3, 2025, 7:59 PM ET other materiality 0.30 positive item 8.01item 9.01

  DatChat's Myseum partners with Photo Managers for digital asset organization

  Strategic relationship with The Photo Managers (TPM) network of 700+ professional photo managers.

• March 31, 2025, 7:59 PM ET other material materiality 0.40 positive item 8.01item 9.01

  DatChat launches Myseum social media platform on iOS and Android; will sponsor Photo Managers Conference

  Myseum platform now available for download on Apple App Store and Google Play Store, launched first week of March 2025.

• February 13, 2025, 6:59 PM ET other material materiality 0.40 positive item 8.01item 9.01

  DatChat to debut Myseum digital content platform at RootsTech 2025 in March

  Myseum is a secure digital 'forever shoebox' for storing/sharing photos, videos, messages across generations.

• February 10, 2025, 6:59 PM ET other material materiality 0.70 neutral item 1.01item 9.01

  DatChat enters $6M at-the-market equity offering with Benchmark Company

  Sales agreement with Benchmark to sell up to $6M of common stock via ATM offering.

• January 10, 2025, 6:59 PM ET other material materiality 0.60 neutral item 1.01item 8.01item 9.01

  DatChat closes $5.1M registered direct offering of 1.2M shares at $4.25/share

  Sold 1,200,000 shares of common stock at $4.25 per share in a registered direct offering.

• December 13, 2024, 6:59 PM ET other material materiality 0.15 neutral item 5.07

  DatChat shareholders re-elect board, ratify auditor, approve doubling equity plan shares to 600K

  All five director nominees (Myman, Shelus, Luogameno, Nelson, Linsley) re-elected with 443K+ votes for each; no director change.

• December 11, 2024, 6:59 PM ET other material materiality 0.25 positive item 8.01item 9.01

  DatChat awarded new US patent for Myseum platform; launch expected Q1 2025

  Granted new US Patent No. 12,166,889 for blockchain-based communications supporting Myseum platform.

• November 4, 2024, 6:59 PM ET M&A materiality 0.50 positive item 1.01item 9.01

  DatChat subsidiary Dragon Interact acquires RPM Interactive for 3.5 million shares

  Dragon Interact issued 3.5 million shares of its common stock for 100% of RPM Interactive's equity and assets.

• October 24, 2024, 7:59 PM ET other material materiality 0.20 neutral item 5.03item 9.01

  DatChat amends bylaws to clarify shareholder voting rights

  Board approved amendment to Article II, Section 2.7 on October 23, 2024.

• August 29, 2024, 7:59 PM ET M&A materiality 0.60 positive item 1.01item 8.01item 9.01

  DatChat acquires AI media-tagging software from Judaopta for 8M subsidiary shares

  Asset Purchase Agreement with Judaopta LLC closed Aug 27, 2024; consideration is 8,000,000 restricted shares of Dragon Interact, Inc.

Materiality & sentiment trend

Max materiality 0.75 · Median 0.40 · Most common event other_material

22 positive 0 negative 18 neutral

source · MYSE on sec.gov