HELIUS MEDICAL TECHNOLOGIES, INC.

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

Q: Sep 30 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

FY: Dec 31 2021

Regulation FD Disclosure

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Unregistered Sales of Equity Securities

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Other Events

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Regulation FD Disclosure

Submission of Matters to a Vote of Security Holders

Regulation FD Disclosure

Regulation FD Disclosure

Changes in Registrant's Certifying Accountant

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Notice of Effectiveness

Post-effective amendment to a registration statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Post-effective amendment to a registration statement

Automatic Shelf Registration

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Prospectus Supplement with Pricing Information

Notice of Effectiveness

Registration (IPO) statement under Securities Act of 1933

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Morehead Daniel Wayne

Tjandrasuwita Agustina Gani

Solana Rocket Holdings Ltd

Chee Choon Wee

Summer Wisdom Holdings Ltd

Summer Wisdom Holdings Ltd

Jiang Cosmo Yi

Jiang Cosmo Yi

Walter Blane

Mello Sergio

Lee Michel Kai Tai

STRAW EDWARD M

STRAW EDWARD M

Morehead Daniel Wayne

Walter Blane

Fusion Summer Ltd

Fusion Summer Ltd

Polar Asset Management Partners Inc.

Fusion Summer Ltd

Chee Choon Wee

Specialized Disclosure Report

Annual Report Scanned (Paper)

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

No description available

Correspondence with the SEC

Correspondence with the SEC

Specialized Disclosure Report

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

No description available

Draft registration statement (confidential submission)

Annual Report Scanned (Paper)

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Specialized Disclosure Report

Correspondence with the SEC