ENS SEC Filings: 8-K, 10-Q, S-3 & 424B – EnerSys

Financials

TYPE

HEADLINE

FILED AT

10-Q

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

Aug 12, 2026

10-K

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

May 20, 2026

10-Q

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

Feb 4, 2026

10-Q

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

Nov 5, 2025

10-Q

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

Aug 6, 2025

10-K

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

May 21, 2025

News

TYPE

HEADLINE

FILED AT

8-K

EnerSys to Acquire Ultralife for $320 Million to Expand Defense Battery Technologies

Oct 27, 2026

8-K

EnerSys Appoints Navi Grewal as Chief Digital, AI and Information Officer

Oct 14, 2026

8-K

EnerSys Reports First Quarter Fiscal 2027 Financial Results

Aug 12, 2026

8-K

EnerSys Announces Results of 2026 Annual Meeting of Stockholders

Aug 6, 2026

8-K

EnerSys Refines Strategy for Greenville, South Carolina Lithium Cell Manufacturing Facility to Focus on Defense Applications

Jul 23, 2026

8-K

EnerSys Announces Strategic Segment Realignment

May 28, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B3

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

Feb 15, 2011

424B5

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

Aug 21, 2009

424B3

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

May 23, 2008

424B5

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

May 23, 2008

424B3

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

May 19, 2008

424B3

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

May 19, 2008

Registrations

TYPE

HEADLINE

FILED AT

SC TO-T

Form SC TO-T - Tender offer statement by Third Party

Oct 28, 2026

SC TO-C

Form SC TO-C - Written communication relating to an issuer or third party

Oct 27, 2026

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Aug 9, 2023

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Aug 9, 2018

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Aug 9, 2017

SC TO-I/A

Form SC TO-I/A - Tender offer statement by Issuer: [Amend]

Jun 2, 2015

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

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

Jul 2, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Jul 2, 2026

DEFA14A

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

Jun 18, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Jun 18, 2025

DEFA14A

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

Jun 18, 2024

DEF 14A

Form DEF 14A - Other definitive proxy statements

Jun 18, 2024

Ownerships

TYPE

HEADLINE

FILED AT

Grewal Navneet (Reporting)

Oct 20, 2026

Knausenberger Lauren (Reporting)

Oct 19, 2026

Morytko Tamara (Reporting)

Oct 19, 2026

Habiger David C (Reporting)

Oct 19, 2026

Wynter Rudolph W. (Reporting)

Oct 19, 2026

TUFANO PAUL J (Reporting)

Oct 19, 2026

Other

TYPE

HEADLINE

FILED AT

Form SD - Specialized disclosure report

May 29, 2026

Form SD - Specialized disclosure report

May 30, 2025

Form SD - Specialized disclosure report

May 31, 2024

Form SD - Specialized disclosure report

May 31, 2023

LETTER

Form UPLOAD - SEC-generated letter

Apr 13, 2023

CORRESP

Form CORRESP - Correspondence

Mar 30, 2023

EnerSys ENS · SEC Filings