Katherine Stueland plan to sell securities of GeneDx Holdings Corp. under Form 144

Katherine Stueland filed Form 144 to notify SEC of plan to sell 16415 units of GeneDx Holdings Corp. securities around 2026-04-29, with aggregate market value of $1,037,500.00. The total outstanding units is 29288739.0. The amount planned to be sold represents 0.06% of total outstanding units; Recent transactions in past 3 months include: On 01/29/2026, sold 1653 units for $155375.00; On 03/04/2026, sold 25459 units for $2001371.00; On 03/09/2026, sold 3678 units for $319059.00; On 03/16/2026, sold 17179 units for $1319291.00; On 03/26/2026, sold 46933 units for $2964841.00;