What items appear on all 3 financial statements?

Answer

Items that hit all three: (1) Net income — bottom of the IS, top of the CFS, flows to retained earnings on the BS; (2) Depreciation & Amortization — expense on the IS, add-back on the CFS, accumulated D&A on the BS; (3) Income tax expense — line on the IS, tax payments on the CFS, income tax payable on the BS; (4) Inventory — COGS draws from inventory (IS), change in inventory shows on the CFS, balance sits on the BS; (5) Stock-based compensation — expense on the IS, add-back on the CFS, equity on the BS.