X0508 4 2026-02-04 0000001800 ABBOTT LABORATORIES ABT 0000902132 STARKS DANIEL J 100 ABBOTT PARK ROAD ABBOTT PARK IL 60064 true false false false 0 Common shares without par value 2026-02-04 4 P 0 4967 109.1388 A 6733784 D Common shares without par value 2026-02-04 4 P 0 5033 108.3328 A 6738817 D Common shares without par value 258 I Alynne Starks 2012 Irrevocable Trust The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.8150 to $109.5204, inclusive. The reporting person undertakes to provide to Abbott Laboratories, any security holder of Abbott Laboratories, 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 this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.7700 to $108.7150, inclusive. The reporting person undertakes to provide to Abbott Laboratories, any security holder of Abbott Laboratories, 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 this footnote. Held in the Alynne Starks 2012 Irrevocable Trust. The reporting person is the sole trustee of the trust. /s/ Daniel J. Starks by Jessica H. Paik, Attorney-in-Fact 2026-02-06