Read More Pharma Industry News Gilead Sciences (GILD) is buying Tubulis after Arcellx and Ouro. How aggressive is this deal spree getting? Gilead is acquiring Tubulis for up to $5 billion to expand its ADC pipeline. Read what the deal means for oncology strategy, risk, and GILD stock. byPallavi MadhirajuApril 12, 2026