---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-236461"
form_type: "8-K"
ticker: "COHR"
cik: "0000820318"
company_name: "COHERENT CORP."
filed_at: "2024-10-11T23:59:59+00:00"
generated_at: "2026-05-30T16:05:31.780376+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Coherent appoints Sherri Luther as CFO effective Oct. 11, 2024

## Summary
- Sherri Luther appointed CFO and Treasurer, replacing interim CFO Rich Martucci; Martucci stays in non-executive role.
- Base salary of $625,000; target annual bonus 85% of base; sign-on cash bonus $500,000 (clawback if leave before 2 years).
- Inducement equity awards total $17.4M: $3.5M for FY25 LTIs (40% RSU, 60% PSU) and $13.9M sign-on to replace forfeited awards.
- Luther previously CFO of Lattice Semiconductor (since 2019) and spent 16 years at Coherent Inc. pre-merger as VP of Finance.
- Awards vest based on time and relative TSR; granted outside Omnibus Plan as NYSE-listing-rule inducement awards.

## SEC filing metadata
- accession: 0001193125-24-236461
- form_type: 8-K
- ticker: COHR
- cik: 0000820318
- company_name: COHERENT CORP.
- filed_at: 2024-10-11T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 99.1, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/820318/000119312524236461/0001193125-24-236461-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/820318/000119312524236461/d888602d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-236461
- JSON: https://secwatch.observer/filing/0001193125-24-236461.json
- Plain text: https://secwatch.observer/filing/0001193125-24-236461.txt

## Key facts
- Executive change
  Sherri R. Luther was appointed as Chief Financial Officer and Treasurer at COHERENT CORP..
  - Action: appointed
  - Role: Chief Financial Officer and Treasurer
  source text: appointed Sherri R. Luther as the Company’s Chief Financial Officer (“CFO”) and Treasurer, effective October 11, 2024
  evidence_url: https://www.sec.gov/Archives/edgar/data/820318/000119312524236461/0001193125-24-236461-index.htm
- Executive change
  Richard J. Martucci changed role as Interim Chief Financial Officer at COHERENT CORP..
  - Action: stepped down as interim CFO
  - Role: Interim Chief Financial Officer
  source text: Mr. Martucci will remain with the Company in a non-executive officer role.
  evidence_url: https://www.sec.gov/Archives/edgar/data/820318/000119312524236461/0001193125-24-236461-index.htm

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