Thomas John Charles plan to sell securities of Krystal Biotech, Inc. under Form 144

Thomas John Charles filed Form 144 to notify SEC of plan to sell 1000 units of Krystal Biotech, Inc. securities around 2026-06-25, with aggregate market value of $347,270.00. The total outstanding units is 29479756.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 05/26/2026, sold 642 units for $193903.26;