CAT logs solid 4Q21 sales and EPS—but margins fell due to raw-materials inflation and supply-chain bottlenecks. PR: https://www.caterpillar.com/content/dam/caterpillarDotCom/releases/4q21/4q21-caterpillar-inc-financial-results.pdf CC slides: https://s25.q4cdn.com/358376879/files/doc_financials/2021/q4/4Q-2021-Earnings-Release_Analyst-Slides-Final.pdf Full-year 2021 non-GAAP EPS was $10.81, up from $6.56 in 2020.