EVERSOURCE ENERGY (ES) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-04 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: EVERSOURCE ENERGY (ES) CIK: 0000072741 --- Reporting Owner --- Name: BUTLER GREGORY B CIK: 0001192333 Role: Officer (Executive VP & General Counsel) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Shares, $5.00 par value Date: 2026-06-04 | Code: S (Open market sale) Shares: -7,000 | Price: $69.88 Total Value: $489,160.00 Shares Owned After: 56,179 | Ownership: D (Direct) Footnotes: [F1] Includes restricted share units and dividend equivalents thereon. --- Holdings --- [Holding #1] Security: Common Shares, $5.00 par value Ownership: I (Indirect) Footnotes: [F2] Shares held in trust under the Eversource 401k Plan, a qualified plan, according to information supplied by the Plan's record keeper. [Holding #2] Security: Phantom Shares Ownership: D (Direct) Footnotes: [F3] Reporting Person's deferred compensation under the Eversource Deferred Compensation Plan, a non-qualified plan, that is nominally invested as common shares. Each phantom share represents the right to receive one common share upon a distribution event, following vesting. Additional phantom shares are issued upon the automatic reinvestment of dividend-equivalents and are exempt from the line item reporting under SEC rule 16a-11. [F3] Reporting Person's deferred compensation under the Eversource Deferred Compensation Plan, a non-qualified plan, that is nominally invested as common shares. Each phantom share represents the right to receive one common share upon a distribution event, following vesting. Additional phantom shares are issued upon the automatic reinvestment of dividend-equivalents and are exempt from the line item reporting under SEC rule 16a-11. [F3] Reporting Person's deferred compensation under the Eversource Deferred Compensation Plan, a non-qualified plan, that is nominally invested as common shares. Each phantom share represents the right to receive one common share upon a distribution event, following vesting. Additional phantom shares are issued upon the automatic reinvestment of dividend-equivalents and are exempt from the line item reporting under SEC rule 16a-11. [F3] Reporting Person's deferred compensation under the Eversource Deferred Compensation Plan, a non-qualified plan, that is nominally invested as common shares. Each phantom share represents the right to receive one common share upon a distribution event, following vesting. Additional phantom shares are issued upon the automatic reinvestment of dividend-equivalents and are exempt from the line item reporting under SEC rule 16a-11. [F3] Reporting Person's deferred compensation under the Eversource Deferred Compensation Plan, a non-qualified plan, that is nominally invested as common shares. Each phantom share represents the right to receive one common share upon a distribution event, following vesting. Additional phantom shares are issued upon the automatic reinvestment of dividend-equivalents and are exempt from the line item reporting under SEC rule 16a-11. --- Footnotes (Complete Index) --- F1: Includes restricted share units and dividend equivalents thereon. F2: Shares held in trust under the Eversource 401k Plan, a qualified plan, according to information supplied by the Plan's record keeper. F3: Reporting Person's deferred compensation under the Eversource Deferred Compensation Plan, a non-qualified plan, that is nominally invested as common shares. Each phantom share represents the right to receive one common share upon a distribution event, following vesting. Additional phantom shares are issued upon the automatic reinvestment of dividend-equivalents and are exempt from the line item reporting under SEC rule 16a-11. --- Signature --- /s/ /s/ Kerry J. Tomasevich, attorney-in-fact for Mr. Butler (2026-06-05)