X0508 4 2025-11-11 0 0001014473 VERISIGN INC/CA VRSN 0001204816 BIDZOS D JAMES 12061 BLUEMONT WAY RESTON VA 20190 1 1 0 0 Exec. Chairman, Pres, & CEO 1 Common Stock 2025-11-11 4 S 0 1080 246.5278 D 457358.7009 D Common Stock 2025-11-11 4 S 0 1512 248.1591 D 455846.7009 D Common Stock 2025-11-11 4 S 0 2408 248.8512 D 453438.7009 D Common Stock 2025-11-12 4 S 0 160 248.9325 D 453278.7009 D Common Stock 2025-11-12 4 S 0 600 250.4853 D 452678.7009 D Common Stock 2025-11-12 4 S 0 680 251.6283 D 451998.7009 D Common Stock 2025-11-12 4 S 0 560 252.3503 D 451438.7009 D Common Stock 2025-11-13 4 S 0 160 250.60 D 451278.7009 D Common Stock 2025-11-13 4 S 0 428 251.6121 D 450850.7009 D Common Stock 2025-11-13 4 S 0 640 252.7494 D 450210.7009 D Common Stock 2025-11-13 4 S 0 612 253.8579 D 449598.7009 D Common Stock 2025-11-13 4 S 0 160 254.77 D 449438.7009 D The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $246.47 to $247.25, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $247.56 to $248.55, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $248.56 to $249.46 inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $248.43 to $249.12, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $249.99 to $250.88, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $251.08 to $252.07, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $252.09 to $252.65, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $250.11 to $250.99, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $251.24 to $252.20, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $252.34 to $253.22, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $253.42 to $254.32, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $254.45 to $255.16, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. Thomas C. Indelicarto by Power of Attorney for D. James Bidzos 2025-11-13