ROBERT PHELAN plan to sell securities of Covista Inc. under Form 144

ROBERT PHELAN filed Form 144 to notify SEC of plan to sell 7500 units of Covista Inc. securities around 2026-07-07, with aggregate market value of $971,700.00. The total outstanding units is 34030887.0. The amount planned to be sold represents 0.02% of total outstanding units; Recent transactions in past 3 months include: On 05/08/2026, sold 10000 units for $1262064.69;