Waste Management (WM) Stock News on Dec. 24, 2025: Institutional Buys, Employee Trading Blackout, and a 2026 Dividend-and-Buyback Push
December 24, 2025 — Waste Management’s rebranded parent, WM (NYSE: WM), is ending 2025 with a familiar mix of defensive appeal and valuation debate—only now the story is getting sharper. On Dec. 24, 2025, fresh disclosures highlighted new institutional accumulation in the stock, while a company retirement-plan trading blackout begins today. At the same time, investors are still digesting WM’s “next chapter”: integrating Stericycle’s medical waste business, defending premium margins in its core operations, and setting up a 2026 capital-return program that includes a planned dividend increase and a $3 billion repurchase authorization. TradingView+4MarketBeat+4MarketBeat+4 Below is everything investors are watching—built