William Lewis plan to sell securities of INSMED INC under Form 144

William Lewis filed Form 144 to notify SEC of plan to sell 21398 units of INSMED INC securities around 2026-06-25, with aggregate market value of $2,210,653.00. The total outstanding units is 216752451.0. The amount planned to be sold represents 0.01% of total outstanding units; Recent transactions in past 3 months include: On 06/08/2026, sold 6515 units for $612576.00; On 06/03/2026, sold 7605 units for $777746.00; On 05/18/2026, sold 25564 units for $2718106.00; On 05/13/2026, sold 13283 units for $1543186.00; On 05/04/2026, sold 10699 units for $1469434.00; On 04/16/2026, sold 10699 units for $1540292.00; On 04/06/2026, sold 10699 units for $1746319.00;