---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-045851"
form_type: "8-K"
ticker: "COHR"
cik: "0000820318"
company_name: "COHERENT CORP."
filed_at: "2023-02-23T23:59:59+00:00"
generated_at: "2026-06-19T03:39:51.790130+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Coherent Corp. transfers stock listing from Nasdaq to NYSE, begins trading Feb 23

## Summary
- Common stock (COHR) and Series A Preferred (IIVI) began trading on NYSE on Feb 23, 2023.
- Stopped trading on Nasdaq at close of Feb 22, 2023.
- CEO Vincent Mattera cited company transformation and NYSE prestige as rationale.
- Ticker symbols COHR (common) and IIVI (preferred) unchanged.

## SEC filing metadata
- accession: 0001193125-23-045851
- form_type: 8-K
- ticker: COHR
- cik: 0000820318
- company_name: COHERENT CORP.
- filed_at: 2023-02-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/820318/000119312523045851/0001193125-23-045851-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/820318/000119312523045851/d399250d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-045851
- JSON: https://secwatch.observer/filing/0001193125-23-045851.json
- Plain text: https://secwatch.observer/filing/0001193125-23-045851.txt

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