About this site

COHR Research is a primary-sourced analyst knowledge base on Coherent Corp. (NYSE: COHR, CIK 0000820318), maintained by an individual investor. Every claim cites a primary source where available and carries an explicit confidence flag where speculation is unavoidable.

Who builds this

One author. Background in technology research; not a registered investment advisor. The KB is a personal research artifact published to crowd-source corrections from other long-term Coherent followers.

Disclosures

• Position: Disclosed where applicable on each section page; this site does not assume a particular author position on COHR.
• Conflicts: No paid relationships with Coherent, its competitors, suppliers, or customers.
• Compensation: Site revenue limited to display advertising (Google AdSense) and any affiliate disclosures noted on individual pages. No paid sponsorships from companies covered.
• Information access: Public sources only — no NDAs, no insider information, no expert-network calls. Where private-domain content (LinkedIn, paywalled SeekingAlpha) is referenced, it is attributed and the access path is described in Methodology.

Source-validation rule

Every load-bearing claim must satisfy one of:

1. Cite an SEC accession number, URL, paper DOI, or other primary source.
2. Carry an explicit confidence flag: ✓ verified primary, ◐ partial / secondary, or ⚠ unverified / speculative.

Update cadence

The site rebuilds daily after market close. Each rebuild auto-generates a "what changed today" diff against yesterday's snapshot.

Not investment advice

Nothing on this site is an offer to buy or sell any security. Do your own research.

Contact

Corrections, additions, contradictory primary sources welcome. Submit via the Q&A page.