Coherent (COHR) Stock After the Bell Dec. 12, 2025: Why Shares Dropped, What SEC Filings Show, and What to Watch Before the Next Open
Coherent Corp (NYSE: COHR) ended Friday, December 12, 2025 with a sharp selloff, then traded slightly lower in extended hours—putting a spotlight back on share-supply headlines tied to Bain Capital’s ongoing stake reduction. Below is a news-and-forecast round-up focused on items dated 12/12/2025, plus the practical “what matters next” checklist heading into the next U.S. market open (Monday, Dec. 15, 2025). (U.S. markets are closed Saturday, Dec. 13.) COHR price action recap: a steep Friday drop, modest after-hours drift Coherent stock fell 10.16% in Friday’s regular session, closing at $178.34 after trading between $196.04 and $176.63. Volume was about 6.93