Company: HSDTW
Filing Date: 2025-10-02
Form Type: PRE 14A
Source: 0001104659-25-096093
Chunk: 3

Company: Solana Co
Filing Date: 2025-10-02
Form: PRE 14A
Chunk 3
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 quorum at the Special Meeting and avoid added proxy solicitation costs. By Order of the Board of Directors, Jeffrey S. Mathiesen
Chief Financial Officer, Treasurer and Secretary TABLE OF CONTENTS Newtown, Pennsylvania
, 2025 Important Notice Regarding the Availability of Proxy Materials for the
Helius Medical Technologies, Inc. Special Meeting of Stockholders to be Held on [ ], 2025: The Notice of Special Meeting of Stockholders, accompanying proxy statement and annual report to
stockholders are available at www.proxyvote.com.

TABLE OF CONTENTS

TABLE OF CONTENTS

| ​ | QUESTIONS AND ANSWERS ABOUT THE SPECIAL MEETING                       | ​ | ​ | ​ | ​ |   1 | ​ | ​ |
| ​ | PROPOSAL 1 — ELECTION OF DIRECTORS                                    | ​ | ​ | ​ | ​ |   4 | ​ | ​ |
| ​ | INFORMATION REGARDING THE BOARD OF DIRECTORS AND CORPORATE GOVERNANCE | ​ | ​ | ​ | ​ |   5 | ​ | ​ |
| ​ | EXECUTIVE OFFICERS                                                    | ​ | ​ | ​ | ​ |  11 | ​ | ​ |
| ​ | EXECUTIVE COMPENSATION                                                | ​ | ​ | ​ | ​ |  13 | ​ | ​ |
| ​ | PAY VERSUS PERFORMANCE                                                | ​ | ​ | ​ | ​ |  23 | ​ | ​ |
| ​ | CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS                        | ​ | ​ | ​ | ​ |  26 | ​ | ​ |
| ​ | PROPOSAL 2 — STRATEGIC ADVISOR WARRANT PROPOSAL                       | ​ | ​ | ​ | ​ |  28 | ​ | ​ |
| ​ | PROPOSAL 3 — CRYPTOCURRENCY WARRANT PROPOSAL                          | ​ | ​ | ​ | ​ |  30 | ​ | ​ |
| ​ | PROPOSAL 4 — AMENDMENT TO THE 2022 EQUITY INCENTIVE PLAN              | ​ | ​ | ​ | ​ |  31 | ​ | ​ |
| ​ | PROPOSAL 5 — ADJOURNMENT OF SPECIAL MEETING                           | ​ | ​ | ​ | ​ |  40 | ​ | ​ |
| ​ | SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT