X0609 4 2026-04-28 0001868275 Constellation Energy Corp CEG 0001164638 LAWLESS ROBERT J false 1310 POINT STREET BALTIMORE MD 21231 true false false false false Common Stock (Deferred Stock Units) 2026-04-28 4 A false 556 305.71 A 51340 D Common Stock 1091 D Phantom Deferred Stock Units Common Stock 56111 56111 D Deferred Compensation - Phantom Share Equivalents Common Stock 54398 54398 D Balance includes approximately 262 shares acquired through quarterly automatic dividend reinvestments. Phantom deferred stock units converted from the legacy Constellation Energy Group Inc. Deferred Compensation Plan for Non-employee Directors (the "Plan") that will be settled in cash on a 1-for-1 basis using the year-end price of Constellation Energy Corporation common stock in the year of termination of the reporting person's service. Balance updated to reflect approximately 85 additional stock units credited through the quarterly automatic dividend reinvestment feature of the Plan. Phantom share equivalents acquired in the reporting person's Constellation Energy Corporation stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and will be settled in cash on a 1-for-1 basis upon termination of the reporting person's service. The balance of phantom share equivalents may fluctuate due to periodic changes in the fund composition. Balance also reflects approximately 70 share equivalents accrued through quarterly automatic dividend reinvestments. /s/ Brian Buck, Attorney-in-Fact for Robert J. Lawless 2026-04-30