Shares of ad-tech provider The Trade Desk, Inc. (NASDAQ:TTD) ripped higher in early trading Thursday after a huge insider buy from the CEO and headlines about a potential ad‑partnership with OpenAI.

TTD stock is racing higher. See the chart and price action here. 

In early-session trade, The Trade Desk quickly became one of the biggest movers, with shares jumping roughly 20% as investors digested the news. 

Options activity accelerated alongside the move, with short‑dated contracts seeing heavy volume, according to Benzinga data, as the market implied only a modest single‑digit daily move.

TTD Insider Buy 

Trade Desk CEO Jeff Green disclosed buying about 6 million TTD shares this week, an acquisition worth roughly $150 million at recent prices. 

The transaction is being characterized as the largest insider stock ...