---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-040032"
form_type: "8-K"
ticker: "HSCS"
cik: "0001468492"
company_name: "HeartSciences Inc."
filed_at: "2026-04-03T23:59:59+00:00"
generated_at: "2026-05-15T07:35:03.887481+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# HeartSciences COO and Board Member Mark Hilz passes away at 67

## Summary
- Mark Hilz, COO, Corporate Secretary and Board member, died April 1, 2026 after an illness.
- He served on the Board since 2013 and as COO/Secretary since March 2022.
- Company will not hire a new COO; no changes expected to business or FDA clearance plans.
- MyoVista wavECG 510(k) submission remains on track (submitted Dec 2025).

## SEC filing metadata
- accession: 0001213900-26-040032
- form_type: 8-K
- ticker: HSCS
- cik: 0001468492
- company_name: HeartSciences Inc.
- filed_at: 2026-04-03T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1468492/000121390026040032/0001213900-26-040032-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1468492/000121390026040032/ea0285132-8k_heartsci.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-040032
- JSON: https://secwatch.observer/filing/0001213900-26-040032.json
- Plain text: https://secwatch.observer/filing/0001213900-26-040032.txt

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