[Form 4] EnerSys Insider Trading Activity

Rhea-AI Filing Summary

EnerSys (ENS) reported insider activity by its President and CEO on 11/06/2025. The filing shows three option exercises (code M) for 20,799 shares at $77.97, 6,778 shares at $82.93, and 15,950 shares at $100.99.

The filing also lists dispositions coded F—representing share withholding or delivery to satisfy exercise price or tax obligations—of 16,136, 5,406, and 13,979 shares at a price of $129.26. Following these transactions, the officer beneficially owned 71,973 shares directly. The exercised option grants now show 0 derivative securities remaining for those awards.

SEC 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 PA 19605

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/06/2025

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

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

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/06/2025		M		20,799	A	$77.97	84,766	D
Common Stock	11/06/2025		F		16,136	D	$129.26	68,630	D
Common Stock	11/06/2025		M		6,778	A	$82.93	75,408	D
Common Stock	11/06/2025		F		5,406	D	$129.26	70,002	D
Common Stock	11/06/2025		M		15,950	A	$100.99	85,952	D
Common Stock	11/06/2025		F		13,979	D	$129.26	71,973	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option	$77.97	11/06/2025		M			20,799	(1)	08/12/2032	Common Stock	20,799	$0	0	D
Stock Option	$82.93	11/06/2025		M			6,778	(2)	08/17/2030	Common Stock	6,778	$0	0	D
Stock Option	$100.99	11/06/2025		M			15,950	(3)	08/16/2031	Common Stock	15,950	$0	0	D

Explanation of Responses:

1. These options vest in three equal annual installments beginning on August 12, 2022, subject to acceleration or forfeiture in certain specified circumstances.

2. These options vest in three equal annual installments beginning on August 17, 2020, subject to acceleration or forfeiture in certain specified circumstances.

3. These options vest in three equal annual installments beginning on August 16, 2021, subject to acceleration or forfeiture in certain specified circumstances.

	/s/ John Yarbrough by Power of Attorney	11/07/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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