Grab's CEO buying about $30 million of stock signals management sees the gap between a falling share price and improving execution. Anthony Tan's first open-market purchase since the IPO came below the prior 52-week low, with COO Alex Hungate also buying. Grab trades near a $7 billion enterprise value against guided $4.2 billion revenue and $720-740 million of adjusted EBITDA, up 44-48%. It is no perfect bottom signal, given noisy GAAP profit and Southeast Asian macro pressure. x.comÂ