Solana treasury company DeFi Development Corp. added 55,491 SOL, worth roughly $5.78 million, to its balance sheet, pushing its treasury to roughly 2,388,923 SOL and SOL equivalents. The Nasdaq-listed company disclosed the purchase Monday alongside a new $300 million at-the-market program for its Variable Rate Series C Perpetual Preferred Stock, ticker CHAD. The combined moves extend a fast-moving stretch of capital markets activity that started in late August.