Letter: Starboard has taken a significant stake in observability company Dynatrace and is pushing for changes to boost the stock; DT jumps 7%+ after hours Wall Street Journal 2026-04-28 Lauren Thomas DT, Dynatrace Related Coverage Dynatrace Surges 8% After Hours as Activist Investor Starboard Value Reportedly Takes Significant Stake Benzinga · Tanya Rawat Dynatrace Rallies on Report That Starboard Value Took a Stake Bloomberg · Liana Baker Activist Starboard Value takes major stake in AI software maker Dynatrace, WSJ reports Reuters · Fabiola Arámburo Activist Starboard Value takes stake in AI software maker Dynatrace, WSJ reports Reuters · Fabiola Arámburo Dynatrace (DT) Stock Soars 8% as Starboard Value Builds Major Activist Position Blockonomi · Trader Edge Starboard makes large investment in Dynatrace, sees strategic value Reuters · Kritika Lamba