EX-21.1 4 hsdt-20251231xex21d1.htm EX-21.1

Exhibit 21.1

SUBSIDIARIES OF SOLANA COMPANY

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ENTITY NAME

JURISDICTION

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Marvel Operations Corp.

Delaware

Solana Company (Hong Kong) Limited

Hong Kong

Helius Medical, Inc.

Delaware

Revelation Neuro, Inc.

Texas

Helius Medical Technologies (Canada), Inc.

Canada

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