X0609 4 2026-05-06 0001101239 EQUINIX INC EQIX 0001502558 Meyers Charles J false ONE LAGOON DRIVE 4TH FLOOR REDWOOD CITY CA 94065 1 1 Executive Chairman 0 Common Stock 2026-05-06 4 S 0 869 1081.9247 D 11725.289 D Common Stock 2026-05-06 4 S 0 840 1084.2691 D 10885.289 D Common Stock 2026-05-06 4 S 0 1927 1084.8977 D 8958.289 D Common Stock 2026-05-06 4 S 0 410 1086.0971 D 8548.289 D Common Stock 2026-05-06 4 S 0 449 1087.453 D 8099.289 D Common Stock 2026-05-06 4 S 0 729 1089.2635 D 7370.289 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,081.45 to $1,082.43, inclusive. The reporting person undertakes to provide to Equinix, Inc, any security holder of Equinix Inc, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2 through 6 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,083.52 to $1084.46 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,084.54 to $1085.30 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,086.095 to $1086.11 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,087.14 to $1087.505 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,088.74 to $1,089.69 inclusive. /s/ Samantha Lagocki, POA 2026-05-07