---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-180985"
form_type: "8-K"
ticker: "COHR"
cik: "0000820318"
company_name: "COHERENT CORP."
filed_at: "2023-07-03T23:59:59+00:00"
generated_at: "2026-06-13T13:34:10.713959+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Coherent Corp. completes mandatory conversion of Series A Preferred Stock, delists from NYSE

## Summary
- All outstanding 6.00% Series A Mandatory Convertible Preferred Stock converted on July 3, 2023.
- Conversion rate set at 4.4523 common shares per preferred share, plus cash for fractional shares.
- No shares of preferred stock remain outstanding after the conversion.
- Company requested NYSE to suspend trading and delist the preferred stock.
- Company intends to file Form 15 to suspend reporting obligations for the preferred stock.

## SEC filing metadata
- accession: 0001193125-23-180985
- form_type: 8-K
- ticker: COHR
- cik: 0000820318
- company_name: COHERENT CORP.
- filed_at: 2023-07-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/820318/000119312523180985/0001193125-23-180985-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/820318/000119312523180985/d515821d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-180985
- JSON: https://secwatch.observer/filing/0001193125-23-180985.json
- Plain text: https://secwatch.observer/filing/0001193125-23-180985.txt

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