~1 min read · 108 words ·updated 2026-04-29 ·
confidence 50%
Sources overview
Every load-bearing claim in this KB is traced to a primary source (SEC filing, company press release, dated news article, peer-reviewed paper) or carries an explicit confidence flag (✓ verified-primary · ◐ partial / aggregator · ⚠ inferred / estimate).
Primary filings
Sub-pages
- Source log — every URL accessed during research, with date stamps
- Primary filings index — comprehensive 10-K + 10-Q + 8-K + Form 4 + 13G catalog
- Methodology — COHR-specific — US-domestic regime, fiscal-year ending late June, Form 4 real-time conventions, 10b5-1 plan tagging, II-VI legacy filings pre-Sep 2022