Harrington Charles L. 4

4 · Constellation Energy Corp · Filed Apr 30, 2026

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Updated Apr 30, 2026

Constellation (CEG) Director Charles Harrington Receives RSU Award

What Happened

Charles L. Harrington, a director of Constellation Energy Corp (CEG), received a grant of 556 restricted stock units (RSUs) on April 28, 2026. The award is reported at $305.71 per RSU for a total grant value of $169,975. This is an award (code A), not an open-market purchase or sale, so no immediate shares were transferred to the insider.

Key Details

Transaction date: 2026-04-28 (reported on Form 4 filed 2026-04-30). Filing appears timely under Section 16 (filed within two business days).
Grant: 556 RSUs @ $305.71 each; total reported value $169,975.
Vesting: RSUs vest in full on April 28, 2027 (see footnote F1). RSUs represent the right to one share upon vesting and do not expire.
Dividend treatment: These RSUs accrue quarterly dividend equivalents as additional RSUs that vest on the same schedule (F1).
Shares owned after transaction: Not specified in the excerpt provided here.
Other footnotes referenced: small balances include shares from quarterly dividend reinvestments (approx. 5 and 24 shares, F2/F3), and phantom share equivalents in a non‑qualified deferred compensation plan that settle in cash 1-for-1 (F4).

Context

This was a time‑based equity award to a director (compensation-related), which does not reflect an immediate market purchase or sale. RSUs become actual shares only upon vesting (here, one year later), so this grant is a future compensation event rather than an immediate change in share ownership or a liquidity event.

Form 4

Period: 2026-04-28

Director

Transactions

Holdings

Common Stock (Deferred Stock Units)
[F3]
4,703
Common Stock
(indirect: By Trust)
25
Common Stock
(indirect: By Trust)
15
Deferred Compensation - Phantom Share Equivalents
[F4]
→ Common Stock (5,191 underlying)
5,191

Footnotes (4)

[F1]Represents restricted stock units ("RSUs") that vest in full on April 28, 2027. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.
[F2]Balance includes approximately 5 shares acquired through quarterly automatic dividend reinvestments.
[F3]Balance includes approximately 24 shares acquired through quarterly automatic dividend reinvestments.
[F4]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.

Signature

/s/ Brian Buck, Attorney-in-Fact for Charles Harrington|2026-04-30

1 file