Hubbell 4: CARDOSO CARLOS M. bought 341 shares of Common Stock at $N/A… (May 7, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-05 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: HUBBELL INC (HUBB) CIK: 0000048898 --- Reporting Owner --- Name: CARDOSO CARLOS M. CIK: 0001208747 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-05 | Code: A (Grant or award) Shares: +341 | Price: $0.00 Shares Owned After: 2,068 | Ownership: D (Direct) Footnotes: [F1] Restricted stock grant vesting on date of next regularly scheduled Annual Meeting of Shareholders to be held in 2027. --- Holdings --- [Holding #1] Security: Directors Deferred Compensation Stock Units Ownership: D (Direct) Footnotes: [F2] Each deferred unit consists of one share of Common Stock credited as units under the Company's Deferred Plan for Directors. [F3] Deferred units are payable commencing the fifth business day of January following the reporting person's retirement or separation from the Board. [F3] Deferred units are payable commencing the fifth business day of January following the reporting person's retirement or separation from the Board. [F4] Balance has been updated to reflect additional stock units credited through reinvested dividends that have been paid on the individual's Directors Deferred Compensation Stock Units. [F4] Balance has been updated to reflect additional stock units credited through reinvested dividends that have been paid on the individual's Directors Deferred Compensation Stock Units. [Holding #2] Security: Directors Deferred Restricted Common Stock Units Ownership: D (Direct) Footnotes: [F2] Each deferred unit consists of one share of Common Stock credited as units under the Company's Deferred Plan for Directors. [F3] Deferred units are payable commencing the fifth business day of January following the reporting person's retirement or separation from the Board. [F3] Deferred units are payable commencing the fifth business day of January following the reporting person's retirement or separation from the Board. [F5] Balance has been updated to reflect additional restricted stock units credited through reinvested dividends that have been paid on the individual's Directors Deferred Restricted Common Stock Units. [F5] Balance has been updated to reflect additional restricted stock units credited through reinvested dividends that have been paid on the individual's Directors Deferred Restricted Common Stock Units. --- Footnotes (Complete Index) --- F1: Restricted stock grant vesting on date of next regularly scheduled Annual Meeting of Shareholders to be held in 2027. F2: Each deferred unit consists of one share of Common Stock credited as units under the Company's Deferred Plan for Directors. F3: Deferred units are payable commencing the fifth business day of January following the reporting person's retirement or separation from the Board. F4: Balance has been updated to reflect additional stock units credited through reinvested dividends that have been paid on the individual's Directors Deferred Compensation Stock Units. F5: Balance has been updated to reflect additional restricted stock units credited through reinvested dividends that have been paid on the individual's Directors Deferred Restricted Common Stock Units. --- Signature --- /s/ /s/ Katherine A. Lane, Attorney-in-fact for Carlos M. Cardoso (2026-05-07)