X0508 4 2026-03-02 0001101239 EQUINIX INC EQIX 0002039256 Pletcher Kurt C/O EQUINIX INC. ONE LAGOON DRIVE REDWOOD CITY CA 94065 1 Chief Legal Officer 1 Common Stock 2026-03-02 4 S 0 259 963.4259 D 4025.705 D Common Stock 2026-03-02 4 M 0 142 0 A 4167.705 D Common Stock 2026-03-03 4 S 0 2 942.26 D 4165.705 D Common Stock 2026-03-03 4 S 0 0.5 948.3957 D 4165.205 D Common Stock 2026-03-03 4 S 0 1 949.7503 D 4164.205 D Common Stock 2026-03-03 4 S 0 1.25 950.8461 D 4162.955 D Common Stock 2026-03-03 4 S 0 1 951.9338 D 4161.955 D Common Stock 2026-03-03 4 S 0 2 953.1644 D 4159.955 D Common Stock 2026-03-03 4 S 0 2 954.1909 D 4157.955 D Common Stock 2026-03-03 4 S 0 3 955.2686 D 4154.955 D Common Stock 2026-03-03 4 S 0 4 956.2389 D 4150.955 D Common Stock 2026-03-03 4 S 0 5 957.3582 D 4145.955 D Common Stock 2026-03-03 4 S 0 6 958.3633 D 4139.955 D Common Stock 2026-03-03 4 S 0 6 959.2396 D 4133.955 D Common Stock 2026-03-03 4 S 0 7 960.3277 D 4126.955 D Common Stock 2026-03-03 4 S 0 2 961.3339 D 4124.955 D Common Stock 2026-03-03 4 S 0 4 962.1816 D 4120.955 D Common Stock 2026-03-03 4 S 0 3 963.2895 D 4117.955 D Common Stock 2026-03-03 4 S 0 5 964.4099 D 4112.955 D Common Stock 2026-03-03 4 S 0 1 965.5523 D 4111.955 D Common Stock 2026-03-03 4 S 0 3 968.1166 D 4108.955 D Restricted Stock Units 0 2026-03-02 4 M 0 142 0 D Common Stock 142 0 D Shares were sold pursuant to a 10b5-1 Trading Plan in order to raise funds to pay the required withholding tax pursuant to the vesting of RSUs. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $948.02 to $948.98, 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 3 through 19 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 $949.075 to $950.02 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $950.21 to $951.21 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $951.37 to $952.19 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $952.665 to $953.65 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $953.71 to $954.61 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $954.765 to $955.735 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $955.77 to $956.77 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $956.79 to $957.78 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $957.81 to $958.81 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $958.84 to $959.81 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $959.89 to $960.86 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $960.94 to $961.925 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $961.95 to $962.92 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $962.98 to $963.8125 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $964.00 to $965.00 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $965.17 to $965.71 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $967.69 to $968.62 inclusive. 143 shares (12.5% of the total shares awarded) scheduled to vest on March 1, 2025 and an additional 12.5% each 6 months thereafter until fully vested, subject solely to continued service Restricted stock unit award expires upon reporting person's termination of service. /s/ Samantha Lagocki, POA 2026-03-04