---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-029433"
form_type: "8-K"
ticker: null
cik: "0001038133"
company_name: "HESKA CORP"
filed_at: "2023-06-13T23:59:59+00:00"
generated_at: "2026-06-14T01:47:46.142403+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Heska completes merger with Antech Diagnostics at $120 per share; notes trigger conversion

## Summary
- Merger closed June 13, 2023; Heska now wholly owned subsidiary of Antech Diagnostics (Mars).
- Shareholders to receive $120.00 per share in cash under Merger Agreement.
- Merger triggered conversion of 3.75% convertible senior notes due 2026; holders entitled to cash per conversion formula.
- Noteholders also have option to require repurchase at 100% principal plus accrued interest.
- Supplemental indenture executed with U.S. Bank Trust setting reference property at $120 per share.

## SEC filing metadata
- accession: 0001140361-23-029433
- form_type: 8-K
- cik: 0001038133
- company_name: HESKA CORP
- filed_at: 2023-06-13T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.04, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1038133/000114036123029433/0001140361-23-029433-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1038133/000114036123029433/brhc20054260_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-029433
- JSON: https://secwatch.observer/filing/0001140361-23-029433.json
- Plain text: https://secwatch.observer/filing/0001140361-23-029433.txt

## Key facts
- Debt Financings
  HESKA CORP faced acceleration on convertible notes with holders of the 3.750% Convertible Senior Notes due 2026 at 3.750% maturing 2026.
  - Instrument: convertible notes
  - Counterparty: holders of the 3.750% Convertible Senior Notes due 2026
  - Rate: 3.750%
  - Maturity: 2026
  - Event: acceleration
  source text: The consummation of the Merger constituted both a Fundamental Change and a Make-Whole Fundamental Change (each, as defined in the Indenture). Accordingly, as required by the Indenture, the Company intends to notify holders of the 3.750% Convertible Senior Notes due 2026 (the “Notes”) and the Trustee as promptly as practicable following the Closing Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1038133/000114036123029433/0001140361-23-029433-index.htm
- Material Agreements
  HESKA CORP amended Supplemental Indenture with U.S. Bank Trust Company, National Association, as successor trustee to U.S. Bank National Association valued at $120.00 per share.
  - Action: amendment
  - Agreement: notes offering
  - Counterparty: U.S. Bank Trust Company, National Association, as successor trustee to U.S. Bank National Association
  - Value: $120.00 per share
  source text: On the Closing Date, the Company and U.S. Bank Trust Company, National Association, as successor trustee to U.S. Bank National Association, as Trustee (the “Trustee”), entered into a supplemental indenture (the “Supplemental Indenture”) to the indenture dated as of September 17, 2019 (as amended and supplemented, the “Indenture”), between the Company and the Trustee.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1038133/000114036123029433/0001140361-23-029433-index.htm

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