Constantin Ionel Stefan plan to sell securities of AMPRIUS TECHNOLOGIES, INC under Form 144

Constantin Ionel Stefan filed Form 144 to notify SEC of plan to sell 3208 units of AMPRIUS TECHNOLOGIES, INC securities around 2026-05-27, with aggregate market value of $55,156.75. The total outstanding units is 145444412.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 05/21/2026, sold 28812 units for $426083.38;