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NASDAQ: SHPH Shuttle Pharmaceuticals Holdings, Inc. 8-K

Shuttle Pharma completes $9.6M merger with United Dogecoin, closes $9.6M PIPE financing

Filed May 7, 2026 · Period ending May 1, 2026 · ~2 min read

5 key changes 3 high relevance 7 sections

Key Changes

  • high

    Completed merger with United Dogecoin Inc. on May 6, 2026, issuing 8,403 shares of Series B-1 preferred stock convertible into 33.9M common shares at $1.24/share, subject to stockholder approval. Former United Dogecoin shareholders may receive up to 122.9M additional pre-funded warrants upon milestone achievement.

    Item 1.01: Merger Agreement verify on EDGAR →
  • high

    Closed $9.55M PIPE financing through issuance of 1,910 shares of Series B-2 preferred stock convertible into 9.3M common shares at $1.03/share, plus warrants for up to 100% of underlying shares exercisable for three years. Additional 31.5M pre-funded warrants possible if milestones are met.

    Item 1.01: PIPE Financing verify on EDGAR →
  • high

    Appointed Ryan Trasolini as Co-CEO effective May 4, 2026, following merger completion. Trasolini has been CEO of United Dogecoin since December 2025 and is a founding shareholder with prior investment experience in Sesh Products and US Bitcoin Corporation.

    Item 5.02: Officer Appointment verify on EDGAR →
  • medium

    Issued financial advisor E.F. Hutton 750 shares of Series B-1 preferred stock convertible into 3.0M common shares, plus potential pre-funded warrants for 11.1M additional shares upon milestone achievement, all subject to stockholder approval.

    Item 1.01: Advisor Compensation verify on EDGAR →
  • medium

    Amended asset purchase agreement with 1542770 BC Ltd., issuing 270 shares of Series B-1 preferred stock and paying $3.65M cash. Seller may receive pre-funded warrants for up to 3.8M shares if milestones are achieved, and will return 320,496 previously issued common shares for cancellation.

    Item 1.01: Asset Purchase Amendment verify on EDGAR →

Summary

Shuttle Pharmaceuticals, a clinical-stage oncology company, completed a transformative merger with United Dogecoin Inc. on May 6, 2026, simultaneously closing a $9.55 million PIPE financing.

The combined transactions involve issuing two new series of convertible preferred stock (Series B-1 and Series B-2) that will convert into approximately 43 million common shares upon stockholder approval, with potential for an additional 165 million shares through pre-funded warrants if certain milestones are achieved.

This represents massive potential dilution for existing shareholders—the company's outstanding share count could increase several-fold. The merger brings Ryan Trasolini aboard as Co-CEO, suggesting a dual-leadership structure going forward. Neither new preferred stock series carries voting or dividend rights, and the company does not plan to list them on any exchange. The merger appears to pivot Shuttle away from its pharmaceutical roots toward cryptocurrency-related business, given the target company's name, though the filing provides no detail on United Dogecoin's operations or strategic rationale. Retail investors should watch for the upcoming stockholder vote on the preferred stock conversions and warrant issuances—approval will trigger immediate and substantial dilution. The company must also file registration statements for the underlying common shares, and investors should scrutinize the proxy materials for details on the milestone events that could unlock the additional 165 million warrant shares.

Section-by-Section Diff

Event · Item 1.01 — Entry into a Material Definitive Agreement

~2,500 words

Item 1.01 — Entry into a Material Definitive Agreement filed; see Key Changes for terms.

1 Added
Added New preferred stock designations medium

Added in current filing · verify on EDGAR →

On May 1, 2026, the Acquiror filed with the Secretary of State of the State of Delaware a Certificate of Designation of Preferences, Rights and Limitations of the Company’s Series B-1 Preferred Stock (the “Certificate of Designation of Series B-1 Preferred Stock”) in connection with the Merger.

Shuttle filed certificates of designation for two new classes of convertible preferred stock: Series B-1 and Series B-2. Neither class has voting rights or dividend rights. The Series B-2 Preferred Stock contains anti-dilutive features. There is no established public trading market for either series and the company does not intend to list them on any exchange.

Event · Item 2.01 — Completion of Acquisition or Disposition of Assets

~45 words

Shuttle Pharmaceuticals completed an acquisition or disposition of assets, with details incorporated by reference from Item 1.01.

1 Added
Added Completion of Acquisition or Disposition high

Added in current filing · verify on EDGAR →

Item 2.01 Completion of Acquisition or Disposition of Assets.

The disclosure required by this Item in connection with the Closing and included in Item 1.01 of this Current Report on Form 8-K is incorporated herein by reference.

The company disclosed completion of an acquisition or disposition of assets under Item 2.01. The filing references Item 1.01 for substantive details about the transaction and closing, but Item 1.01 content is not provided in this excerpt.

Event · Item 3.02 — Unregistered Sales of Equity Securities

~82 words

Unregistered equity securities issued under Section 4(a)(2) exemption; details referenced in Item 1.01 not provided in excerpt.

1 Added
Added Unregistered equity issuance medium

Added in current filing · verify on EDGAR →

The issuance of the securities set forth in Item 1.01 has not been registered under the Securities Act of 1933, as amended (the “Securities Act”), in reliance upon the exemption from registration provided by Section 4(a) (2) of the Securities Act.

The company issued equity securities without SEC registration, using the private placement exemption under Section 4(a)(2) of the Securities Act. The specific terms, amount, and recipients are referenced in Item 1.01 which is not included in this excerpt.

Event · Item 3.03 — Material Modification to Rights of Security Holders

~44 words

Material modification to security holder rights disclosed; details incorporated by reference from Item 1.01.

1 Added
Added Material modification to rights of security holders high

Added in current filing · verify on EDGAR →

To the extent required by Item 3.03 of Form 8-K, the information contained in Item 1.01 of this Current Report on Form 8-K is incorporated herein by reference.

The company disclosed a material modification to the rights of security holders under Item 3.03. The specific details of this modification are referenced in Item 1.01 of the same 8-K filing, which is not included in the provided text. This type of disclosure typically involves changes to shareholder rights, such as amendments to articles of incorporation, bylaws, or terms of securities that could affect voting rights, dividend rights, liquidation preferences, or other material shareholder protections.

Event · Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation

~300 words

Shuttle appointed Ryan Trasolini as Co-CEO following a merger and accepted the resignation of independent director Oleh Nabyt.

2 Added
Added Co-CEO appointment high

Added in current filing · verify on EDGAR →

On May 4, 2026, in connection with the consummation of the Merger and pursuant to the Merger Agreement, the Board of Directors of Shuttle approved the appointment of Ryan Trasolini, Chief Executive Officer of the Company, as Co-Chief Executive Officer of the Acquiror, effective at the Effective Time.

Ryan Trasolini, who has been CEO of the Company since December 2025, was appointed Co-Chief Executive Officer of Shuttle following the completion of a merger. No formal employment agreement has been executed as of the filing date. Trasolini is a founding shareholder with prior experience as an active investor in Sesh Products, Inc. since 2020 and US Bitcoin Corporation from 2020 to 2023.

Added Director resignation medium

Added in current filing · verify on EDGAR →

On May 3, 2026 (the “Termination Date”), independent director Oleh Nabyt resigned from the Board of Directors of Shuttle, effective as of the Termination Date. Mr. Oleh’s departure is not the result of any disagreements with management or Shuttle’s Board of Directors on any matter relating to Shuttle’s operations, policies or practices.

Independent director Oleh Nabyt resigned from the Board effective May 3, 2026. The filing explicitly states the departure was not due to any disagreements with management or the Board regarding operations, policies, or practices.

Event · Item 5.03 — Amendments to Articles of Incorporation or Bylaws

~48 words

Shuttle Pharmaceuticals filed an 8-K referencing amendments to articles of incorporation or bylaws, with details cross-referenced to Item 1.01.

1 Added
Added Amendments to Articles of Incorporation or Bylaws medium

Added in current filing · verify on EDGAR →

To the extent required by Item 5.03 of Form 8-K, the information contained in Item 1.01 of this Current Report on Form 8-K is incorporated herein by reference.

The company disclosed amendments to its articles of incorporation or bylaws under Item 5.03, but the substantive details are cross-referenced to Item 1.01 of the same 8-K filing. Without the Item 1.01 content provided, the specific nature of the amendments cannot be determined from this excerpt alone.

Event · Item 9.01 — Financial Statements and Exhibits

~300 words

Shuttle Pharmaceuticals disclosed a merger agreement with United Dogecoin, Inc., securities purchase agreement, and asset purchase amendment.

4 Added
Added Merger with United Dogecoin, Inc. high

Added in current filing · verify on EDGAR →

Agreement and Plan of Merger, dated April 30, 2026, by and among Shuttle Pharmaceuticals Holdings, Inc., Shuttle Merger Sub, Inc and United Dogecoin, Inc.

Shuttle Pharmaceuticals entered into a definitive merger agreement on April 30, 2026, with United Dogecoin, Inc. The merger involves a newly formed subsidiary (Shuttle Merger Sub, Inc.) as the acquisition vehicle. This represents a significant corporate transaction that will likely materially change the company's business operations and structure.

Added Securities Purchase Agreement high

Added in current filing · verify on EDGAR →

Form of Securities Purchase Agreement, dated April 30, 2026, by and between Shuttle Pharmaceuticals Holdings, Inc. and the investors party thereto

The company executed a securities purchase agreement on April 30, 2026, with multiple investors. This agreement likely involves the issuance of equity securities (potentially including the common warrants and pre-funded warrants also disclosed) to raise capital, which could result in shareholder dilution.

Added New Preferred Stock Series medium

Added in current filing · verify on EDGAR →

Certificate of Designation of Series B-1 Preferred Stock

The company created two new series of preferred stock (Series B-1 and Series B-2). These new classes of equity may have preferential rights over common stockholders regarding dividends, liquidation preferences, or voting rights, potentially affecting the value and control dynamics of existing common shares.

Added Asset Purchase Agreement Amendment medium

Added in current filing · verify on EDGAR →

Second Amendment to Asset Purchase Agreement, dated April 30, 2026, by and among Shuttle Pharmaceuticals Holdings Inc., 1563868 B.C. Ltd., 1542770 BC Ltd. and ZhiTian (Andy) Zhang.

The company amended an existing asset purchase agreement with Canadian entities and an individual on April 30, 2026. This is the second amendment to the agreement, suggesting ongoing modifications to the terms of a previously disclosed asset acquisition transaction.

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Figures/quotes linked to EDGAR · Narrative written by AI · Jun 1, 2026 · How we verify