---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-21-037977"
form_type: "8-K"
ticker: "HSDT"
cik: "0001610853"
company_name: "Solana Co"
filed_at: "2021-07-26T23:59:59+00:00"
generated_at: "2026-06-30T02:35:56.048458+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# COO Joyce LaViscount departs Helius Medical Technologies effective July 20

## Summary
- Joyce LaViscount's employment as Chief Operating Officer ended on July 20, 2021.
- No reason for the departure was disclosed in the filing.
- No replacement or interim COO has been announced.

## SEC filing metadata
- accession: 0001564590-21-037977
- form_type: 8-K
- ticker: HSDT
- cik: 0001610853
- company_name: Solana Co
- filed_at: 2021-07-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1610853/000156459021037977/0001564590-21-037977-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1610853/000156459021037977/hsdt-8k_20210726.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-21-037977
- JSON: https://secwatch.observer/filing/0001564590-21-037977.json
- Plain text: https://secwatch.observer/filing/0001564590-21-037977.txt

## Key facts
- Executive change
  Joyce LaViscount departed as Chief Operating Officer at Solana Co.
  - Action: ended
  - Role: Chief Operating Officer
  source text: The employment of Joyce LaViscount, Chief Operating Officer of Helius Medical Technologies, Inc. ended on July 20, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1610853/000156459021037977/0001564590-21-037977-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.