SEC FORM 4

SEC FORM 4SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

O'Connell Shawn M.

(Last)

(First)

(Middle)

2366 BERNVILLE ROAD

(Street)

READING

PENNSYLVANIA

19605

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
EnerSys [ ENS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/27/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/27/2026		A		2.9702⁽¹⁾	A	$0	71,480.9702⁽²⁾	D
Common Stock	03/27/2026		A		4.4061⁽³⁾	A	$0	71,485.3763	D
Common Stock	03/27/2026		A		9.209⁽⁴⁾	A	$0	71,494.5853	D
Common Stock	03/27/2026		A		6.3502⁽⁵⁾	A	$0	71,500.9355	D
Common Stock	03/27/2026		A		38.5367⁽⁶⁾	A	$0	71,539.4722	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the cash dividend paid on March 27, 2026, to stockholders of record as of March 13, 2026 (the "Dividend"), with respect to 1,822 unvested RSUs granted to the reporting person on August 12, 2022, and adjusted for previously declared and paid cash dividends. These RSUs will vest and are payable concurrent with the underlying RSUs.

2. Adjusted for previous arithmetic error.

3. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 2,702 unvested RSUs granted to the reporting person on August 11, 2023, and adjusted for previously declared and paid cash dividends. These RSUs will be payable concurrent with the underlying RSUs.

4. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 5,648 unvested RSUs granted to the reporting person on August 9, 2024, and adjusted for previously declared and paid cash dividends. These RSUs will be payable concurrent with the underlying RSUs.

5. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 3,895 unvested RSUs granted to the reporting person on November 8, 2024, and adjusted for previously declared and paid cash dividends. These RSUs will be payable concurrent with the underlying RSUs.

6. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 23,636 unvested RSUs granted to the reporting person on August 8, 2025, and adjusted for previously declared and paid cash dividends. These RSUs will be payable concurrent with the underlying RSUs.

	/s/ John Yarbrough by Power of Attorney	03/31/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

SEC Form 4 filed by O'Connell Shawn M.