Company: HSDTW
Filing Date: 2025-04-15
Form Type: DRS
Source: 0001104659-25-035130
Chunk: 2

Company: Solana Co
Filing Date: 2025-04-15
Form: DRS
Chunk 2
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 REQUESTED

#### PURSUANT TO 17 C.F.R. SECTION 200.83

#### SUBJECT TO COMPLETION, DATED           , 2025

### PRELIMINARY PROSPECTUS

#### HELIUS MEDICAL TECHNOLOGIES, INC.

#### Shares of Common Stock

#### or
<div align='center'>**Pre-Funded Warrants to Purchase up to Shares of Common Stock,

Common Warrants to Purchase up to Shares of Common Stock**</div>

#### and
<div align='center'>**Representative Warrants to Purchase up to Shares of Common Stock**</div>

Up to Shares of Common Stock Issuable Upon Exercise of the Pre-Funded Warrants, Common Warrants and Representative Warrants

We are offering shares of Class A common stock (“common stock” or “Common Stock”) and common warrants (“common warrants”) to purchase up to share of common stock at an assumed combined public offering price of $ per share and accompanying common warrant, which was the last reported sale price of our common stock on the Nasdaq Capital Market on , 2025.

We are also offering to certain purchasers whose purchase of shares of common stock in this offering would otherwise result in the purchaser, together with its affiliates and certain related parties, beneficially owning more than 4.99% (or, at the election of the purchaser, 9.99%) of our outstanding common stock immediately following the consummation of this offering, the opportunity to purchase, if any such purchaser so chooses, pre-funded warrants to purchase shares of common stock (the “pre-funded warrants”), in lieu of shares of common stock. The purchase price of each pre-funded warrant (and accompanying common warrant) will be equal to the public offering price for the common stock (and accompanying common warrant) in this offering, minus $0.001. Each pre-funded warrant is exercisable for one share of our common stock and has an exercise price of $0.001 per share. For each pre-funded warrant that we sell, the number of shares of common stock we are offering will be reduced on a one-for-one basis. Each pre-funded warrant will be exercisable at any time after the date of issuance. Each common warrant will have an exercise price of $ per share, will be exercisable at any time after the date of issuance of such common warrant, subject to certain ownership limitations, and will expire five years from the date of