X0508 4 2025-01-15 0001101239 EQUINIX INC EQIX 0001795624 Fox-Martin Adaire C/O EQUINIX, INC. ONE LAGOON DRIVE REDWOOD CITY CA 94065 1 1 CEO and President 1 Common Stock 2025-01-15 4 M 0 2630 0 A 5699 D Common Stock 2025-01-16 4 S 0 228 901.0443 D 5471 D Common Stock 2025-01-16 4 S 0 153 902.80 D 5318 D Common Stock 2025-01-16 4 S 0 102 904.575 D 5216 D Common Stock 2025-01-16 4 S 0 204 907.9775 D 5012 D Common Stock 2025-01-16 4 S 0 102 909.41 D 4910 D Common Stock 2025-01-16 4 S 0 51 912.22 D 4859 D Common Stock 2025-01-16 4 S 0 102 914.68 D 4757 D Common Stock 2025-01-16 4 S 0 131 916.0622 D 4626 D Common Stock 2025-01-16 4 S 0 235 916.9035 D 4391 D Common Stock 2025-01-16 4 S 0 62 917.8465 D 4329 D Restricted Stock Units 0 2025-01-15 4 M 0 2630 0 D Common Stock 2630 5260 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 $900.58 to $901.31, 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 9 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 $904.12 to $905.03 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $907.76 to $908.12 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $909.12 to $909.70 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $914.16 to $915.20 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $915.48 to $916.365 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $916.57 to $917.39 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $917.79 to $918.19 inclusive. Vesting is dependent upon continuous active service as an employee, consultant or director of the Company or a subsidiary of the Company (Service) throughout the vesting period. The Restricted Stock Units shall vest as follows: 33.33% of the RSUs vested on January 15, 2025 and an additional 33.33% of the RSUs will each vest on January 15, 2026 and January 15, 2027. Restricted stock unit award expires upon reporting person's termination of service. /s/ Samantha Lagocki, POA 2025-01-17