Reactor2026-10-05 15:02:52Reactor says Nvidia and Sapphire Ventures joined its Series A roundReactor said Nvidia and Sapphire Ventures have joined its Series A financing round, with Lightspeed Venture Partners serving as the lead investor. The update was published by ChainCatcher as a brief newsflash. The source text did not disclose the size of the round, valuation, closing date, or any additional transaction terms. No further details about the financing structure or the roles of the participating investors were provided in the original item.40