ES SEC Filings: 8-K, 10-Q, S-3 & 424B – Eversource Energy

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 6, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 3, 2026

11-K

Form 11-K - Annual report of employee stock purchase, savings and similar plans

Jun 12, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 7, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Feb 17, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 6, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Form 8-K - Current report - Item 2.02 Item 7.01 Item 9.01

Nov 4, 2026

8-K

Form 8-K - Current report - Item 2.02 Item 7.01 Item 9.01

Jul 30, 2026

8-K

Eversource Energy Completes the Sale of Aquarion Water Company

Jun 30, 2026

8-K

Form 8-K - Current report - Item 2.02 Item 5.07 Item 7.01 Item 9.01

May 6, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 8.01 Item 9.01

Mar 31, 2026

8-K

Eversource Energy Issues $1.5 Billion in Junior Subordinated Notes

Feb 26, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B5

Form 424B5 - Prospectus [Rule 424(b)(5)]

Feb 24, 2026

424B3

Form 424B3 - Prospectus [Rule 424(b)(3)]

Feb 23, 2026

424B5

Form 424B5 - Prospectus [Rule 424(b)(5)]

Oct 16, 2025

424B3

Form 424B3 - Prospectus [Rule 424(b)(3)]

Oct 15, 2025

424B2

Form 424B2 - Prospectus [Rule 424(b)(2)]

May 30, 2025

424B5

$1,400,000,000

Apr 16, 2024

Registrations

TYPE

HEADLINE

FILED AT

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Feb 23, 2026

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Feb 23, 2026

POSASR

Form POSASR - Post-effective Amendment to an automatic shelf registration statement

Feb 20, 2026

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Oct 15, 2025

S-3ASR

Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers

Apr 3, 2025

FWP

$700,000,000 5.95% Senior Notes, Series GG, Due 2034

Apr 15, 2024

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Mar 27, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Mar 27, 2026

DEFR14A

Form DEFR14A - Revised definitive proxy soliciting materials

Apr 3, 2025

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Mar 21, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Mar 21, 2025

PRE 14A

Form PRE 14A - Other preliminary proxy statements

Mar 7, 2025

Ownerships

TYPE

HEADLINE

FILED AT

Conner Penelope M (Reporting)

Aug 26, 2026

144

Form 144 - Report of proposed sale of securities

Aug 25, 2026

144

Form 144 - Report of proposed sale of securities

Aug 24, 2026

BUTLER GREGORY B (Reporting)

Jun 5, 2026

144

Form 144 - Report of proposed sale of securities

Jun 4, 2026

BUTH JAY S. (Reporting)

May 18, 2026

Other

TYPE

HEADLINE

FILED AT

EFFECT

Form EFFECT - Notice of Effectiveness

May 18, 2022

CORRESP

Form CORRESP - Correspondence

May 13, 2022

LETTER

Form UPLOAD - SEC-generated letter

Apr 20, 2022

EFFECT

Form EFFECT - Notice of Effectiveness

Jun 28, 2021

CORRESP

Form CORRESP - Correspondence

Jun 23, 2021

LETTER

Form UPLOAD - SEC-generated letter

Jun 11, 2021

Eversource Energy ES · SEC Filings