Tracker › Companies › Koppers Holdings Inc.
3 No sign of it. We found no public evidence tying Koppers Holdings Inc.'s cuts to AI.
Every tracked 2026 layoff at Koppers Holdings Inc., newest first. Scores are 0–100: how strongly the public evidence ties the cuts to AI. Sources are linked on each one.
AI score 3/100 (Minimal) · 80% interval 2–3 · evidence grade D · US · Other
Stated reason: On May 8, 2026, the Company announced that it has made a conditional decision to discontinue distillation and chemical manufacturing operations at its facility in Stickney, Illinois, subject to the satisfaction of any bargaining obligations that might exist with the union that represents certain employees at that facility. The conditional decision, which is pending negotiations and consultation with the union, was dr…
Why 3: Plant, store or site closure · Drivers: contrary evidence −0.7, industry AI exposure +0.3
Evidence: SEC filing. Signals: attribution 0.0, primary source 0.0, exec statement 0.0, role exposure 0.607, industry exposure 0.502, AI investment 0.0, contrary evidence 0.4 · named roles: Computer Systems Analysts, Data Scientists, Machinists, Production Workers, All Other, Software Developers
Headcount basis: 8-K text
Scores are evidence-based estimates from a published model, not findings that AI caused any layoff. Spot something wrong or missing? Tell us.
Other Other / Unknown layoffs we track.
Other / Unknown · 1,485 workers
Other / Unknown · 715 workers
Other / Unknown · 678 workers
Other / Unknown · 615 workers
Other / Unknown · 550 workers
Other / Unknown · 397 workers
