Myseum Completes Sale of Minority Stake in RPM Interactive for Approximately $6.5 Million in Avalon GloboCare Acquisition

Myseum (Nasdaq: MYSE) on Dec. 15, 2025 completed the sale of its approximately 34% ownership in RPM Interactive as part of a 100% acquisition of RPM by Avalon GloboCare (Nasdaq: ALBT).

Rhea-AI Summary

Myseum (Nasdaq: MYSE) on Dec. 15, 2025 completed the sale of its approximately 34% ownership in RPM Interactive as part of a 100% acquisition of RPM by Avalon GloboCare (Nasdaq: ALBT).

Under the deal Avalon issued 19,500 shares of Series E non‑voting convertible preferred stock representing a $19.5 million purchase price; each preferred share has a stated value of $1,000 and is convertible into Avalon common stock at a $1.50 conversion price, subject to customary conditions. The transaction yields Myseum an implied cash/consideration amount of approximately $6.5 million for its minority stake and completes Myseum’s divestiture of RPM to allow focus on its Picture Party interactive media business.

Positive

• Completed sale of approximately 34% ownership in RPM
• Received implied consideration of approximately $6.5 million
• 19,500 Series E preferred shares issued representing $19.5M total purchase price
• Transaction enables focus on Picture Party core business

Negative

• Myseum no longer holds RPM equity, foregoing potential future upside from RPM
• Consideration tied to Avalon Series E stock convertible at $1.50, subject to conditions

Argus Dec 15 session

-12.79% close to close Open Argus

Details

News Market Reaction – MYSE

On Dec 15, the day this news came out, MYSE closed 12.79% below the previous close.

Data tracked by StockTitan Argus for the Dec 15 session.

Key Figures

RPM stake sale value: Approximately $6.5 million RPM ownership sold: 34% RPM total purchase price: $19.5 million +5 more

RPM stake sale value

Approximately $6.5 million

Proceeds for Myseum’s ~34% RPM ownership in Avalon acquisition

RPM ownership sold

34%

Myseum’s divested minority interest in RPM Interactive

RPM total purchase price

$19.5 million

Avalon GloboCare consideration to all RPM stockholders

Series E preferred shares

19,500 shares

Avalon Series E Non-Voting Convertible Preferred Stock issued in deal

Preferred stated value

$1,000 per share

Stated value of Avalon Series E Preferred Stock

Conversion price

$1.50

Conversion price for Avalon Series E Preferred into common stock

Shelf registration capacity

$25,000,000

Aggregate initial offering price under Form S-3 shelf

Q3 2025 net loss

$1,231,481

Net loss for Q3 2025, or $0.28 per share

Historical Context

5 past events · Latest: Dec 04

5 events

1. Dec 04

   Patent allowance

   24h Move

   +6.1%

   USPTO notice of allowance for core Picture Party technology patent.

2. Oct 16

   Patent allowance

   24h Move

   -6.8%

   USPTO notice of allowance for secure WebRTC streaming communications patent.

3. Oct 13

   Patent grant

   24h Move

   +2.8%

   Israeli patent grant expanding international coverage for content transformation tech.

4. Oct 08

   Shareholder update

   24h Move

   +14.9%

   Shareholder letter outlining operational progress and Picture Party roadmap.

5. Oct 01

   Partnership launch

   24h Move

   +21.7%

   Branding and advertising partnership for Picture Party launch with Spitball.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

software-as-a-service (saas), convertible preferred stock, conversion price

3 terms

software-as-a-service (saas) technical

"RPM has developed the Catch-Up Software-as-a-Service (SaaS)_platform, a system that intelligently"

Software-as-a-service (SaaS) is a way of delivering software over the internet where customers pay a subscription to use applications hosted and maintained by a provider, like renting a tool or streaming a service rather than buying and installing it. For investors it matters because subscriptions create predictable, recurring revenue and can scale quickly with low distribution costs, while metrics like customer retention and churn directly affect future cash flow and valuation.

convertible preferred stock financial

"issue 19,500 shares of Series E Non-Voting Convertible Preferred Stock to RPM’s stockholders"

Convertible preferred stock is a special class of company shares that pays priority, usually fixed, payments to holders and can be exchanged later for a set number of common shares. It matters to investors because it combines steady income and added protection with the chance to share in a company’s upside; think of it as a hybrid between a bond that pays regularly and an option to convert into growth-oriented stock, where the conversion rules influence both potential gains and how much common shareholders’ ownership may be reduced.

conversion price financial

"convertible into shares of Avalon’s common stock at a $1.50 conversion price, subject to customary"

The conversion price is the fixed price at which a convertible security, like a bond or preferred stock, can be exchanged for shares of common stock. It acts like a set rate that determines how many shares an investor can receive if they choose to convert their investment. This helps investors understand the value and potential benefits of converting their securities into company shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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NEW BRUNSWICK, N.J., Dec. 15, 2025 (GLOBE NEWSWIRE) -- Myseum, Inc. (Nasdaq: MYSE) (“Myseum” or the “Company”) today announced the completion of the sale of its approximately 34% ownership interest in RPM Interactive, Inc. (“RPM”) as part of a 100% acquisition of RPM by Avalon GloboCare Corp. (Nasdaq: ALBT) (“Avalon”). Under the terms of the acquisition, Avalon has agreed to issue 19,500 shares of Series E Non-Voting Convertible Preferred Stock to RPM’s stockholders, representing a total purchase price of $19.5 million. Each share of Series E Preferred Stock carries a stated value of $1,000 and is convertible into shares of Avalon’s common stock at a $1.50 conversion price, subject to customary conditions.

RPM has developed the Catch-Up Software-as-a-Service (SaaS)_platform, a system that intelligently sources relevant video clips, generates human-like AI commentary, creates an engaging on-screen avatar, and publishes finished content to all major platforms – all on an automated basis.

“We appreciate the value that Michael Matthews and his team have helped build for the RPM shareholders and wish them continued success as part of the Avalon platform,” said Darin Myman, CEO of Myseum. “This transaction completes Myseum’s divestiture of its interest in RPM Interactive and enables us to focus our resources on expanding our core Picture Party business. This strategic step further strengthens Myseum’s position as we pursue our primary growth initiatives in the interactive media space.”

About ‘Picture Party by Myseum’

‘Picture Party by Myseum’ introduces a fun, creative and dynamic way for users to share photos and videos with friends, family, colleagues and groups, ensured by privacy and secure connections for every gathering. Designed as an extension of the Myseum ecosystem, the new platform emphasizes ease-of-use while delivering a next-generation social experience that combines utility and ease without sacrificing privacy.

About Myseum, Inc.

Myseum, Inc. (formerly DatChat Inc.) is a privacy and social media technology company focused on innovative and creative user platforms. Its flagship platform is Myseum, is a next-gen social sharing platform that makes it easier to share your photos and videos both today, and for generations to come. Myseum allows you to create amazing albums, create special encrypted galleries with limited access, personalize your newsfeed and create collections from other Myseum’s in your Galaxy. Your Free Myseum includes 50 GB of Free Timeless Storage, and many more features not mentioned. Additional storage is available for a one-time charge of $29.95 per 50 GB of Forever Storage. Myseum is currently available for both iOS and Android, with a desktop version planned for later this year.

Myseum’s innovative social media platform brings a fresh and needed approach to digital media and content management, allowing users to create a digital legacy that makes it easier to share both today, and with future generations. Backed by patented technology and proprietary software, the multi-tiered social media ecosystem enables individuals, families, and other groups to store and share digital content such as messages, photos, videos, and documents within a highly secure and private family library.

The Company also operates the DatChat Messenger & Private Social Network, which presents technology that allows users to change how long their messages can be viewed before or after users send them, prevents screenshots, and hides encrypted photos in plain sight on camera rolls. The patented technology offers users a traditional texting experience while providing control and security for their messages. With the DatChat Messenger, a user can decide how long their messages last on a recipient’s device while feeling secure that at any time, and delete individual messages or entire message threads, making it like the conversation never happened. Visit datchat.com and datchat.com/investors/management for more information.

Notice Regarding Forward-Looking Statements

The information contained herein includes forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and Section 27A of the Securities Act of 1933, as amended. Forward-looking statements generally include statements that are predictive in nature and depend upon or refer to future events or conditions, and include words such as “may,” “will,” “should,” “would,” “expect,” “plan,” “believe,” “intend,” “look forward,” and other similar expressions among others. These statements relate to future events or to the Company’s future financial performance, and involve known and unknown risks, uncertainties and other factors that may cause the Company’s actual results to be materially different from any future results, levels of activity, performance or achievements expressed or implied by these forward-looking statements. You should not place undue reliance on forward-looking statements since they involve known and unknown risks, uncertainties and other factors which are, in some cases, beyond the Company’s control and which could, and likely will, materially affect actual results, levels of activity, performance or achievements. Any forward-looking statement reflects the Company’s current views with respect to future events and is subject to these and other risks, uncertainties and assumptions relating to the Company’s operations, results of operations, growth strategy and liquidity. More detailed information about the Company and the risk factors that may affect the realization of forward-looking statements is set forth in the Company’s most recent Annual Report on Form 10-K and other filings with the Securities and Exchange Commission. Investors and security holders are urged to read these documents free of charge on the SEC’s website at https://www.sec.gov. Except as may be required by applicable law, The Company assumes no obligation to publicly update or revise these forward-looking statements for any reason, or to update the reasons actual results could differ materially from those anticipated in these forward-looking statements, whether as a result of new information, future events or otherwise.

Investor Contact

ir@datchats.com
800-658-8081

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Myseum (MYSE) announce on December 15, 2025 regarding RPM Interactive?

Myseum completed the sale of its ~34% stake in RPM Interactive as part of Avalon GloboCare's 100% acquisition of RPM.

How much consideration did Avalon GloboCare (ALBT) agree to pay for RPM in total?

Avalon agreed to issue 19,500 Series E non‑voting convertible preferred shares representing a $19.5 million purchase price.

How much did Myseum receive for its RPM stake and what is the implied amount?

Myseum’s portion of the transaction implies approximately $6.5 million in consideration for its ~34% ownership.

What are the key terms of the Series E preferred stock issued to RPM shareholders?

Each Series E preferred share has a stated value of $1,000 and is convertible into Avalon common stock at a $1.50 conversion price, subject to customary conditions.

How does the RPM divestiture affect Myseum's strategy and focus?

Myseum said the divestiture completes its RPM interest and enables the company to focus resources on expanding its Picture Party interactive media business.