DARIEN R SPENCER plan to sell securities of OUSTER, INC. under Form 144

DARIEN R SPENCER filed Form 144 to notify SEC of plan to sell 30001 units of OUSTER, INC. securities around 2026-05-26, with aggregate market value of $1,350,045.00. The total outstanding units is 63672949.0. The amount planned to be sold represents 0.05% of total outstanding units; Recent transactions in past 3 months include: On 03/12/2026, sold 10938 units for $256307.68;