MARK PATTERSON plan to sell securities of CISCO SYSTEMS, INC. under Form 144

MARK PATTERSON filed Form 144 to notify SEC of plan to sell 5512 units of CISCO SYSTEMS, INC. securities around 2026-05-15, with aggregate market value of $636,801.36. The total outstanding units is 3949893042.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 03/20/2026, sold 4892 units for $381449.79;