[Form 4] EnerSys Insider Trading Activity

Rhea-AI Filing Summary

EnerSys (ENS) director reported transactions dated 10/16/2025 on Form 4. The director received 51 stock units that immediately vested under the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors in lieu of cash fees. EnerSys also credited a matching 10 stock units at $0 that vest 25% on January 16, 2026, April 16, 2026, July 16, 2026, and October 16, 2026, subject to potential acceleration or cancellation. Following these transactions, the director beneficially owns 35,326 shares directly. Each stock unit represents a right to receive one share payable upon Termination as defined in the plan.

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

OMB APPROVAL

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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^*

Vargo Ronald P

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/16/2025

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	10/16/2025		A		51(1)	A	$123.97	35,316	D
Common Stock	10/16/2025		A		10(2)	A	$0	35,326(3)	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

Explanation of Responses:

1. In lieu of receiving cash fees, the reporting person received 51 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

2. This amount reflects a matching stock unit contribution by EnerSys for the reporting person's account in the Plan. The matching stock unit contribution vests 25% on each of January 16, 2026, April 16, 2026, July 16, 2026, and October 16, 2026. Such vesting is subject to acceleration or cancellation upon the occurrence of certain events.

3. As a result of these transactions the reporting person has an additional 10 stock units in the Plan. Each of these stock units represents a right to receive one share of EnerSys common stock and is payable upon the reporting person's Termination, as defined in the Plan.

	/s/ John Yarbrough by Power of Attorney	10/17/2025
	** 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.

FAQ

What did EnerSys (ENS) disclose on this Form 4?

A director received 51 stock units that immediately vested and a matching 10 stock units credited at $0, dated 10/16/2025.

How many EnerSys shares does the reporting person now beneficially own?

Following the transactions, the director beneficially owns 35,326 shares directly.

What is the vesting schedule for the 10 matching stock units at EnerSys (ENS)?

They vest 25% on January 16, 2026, April 16, 2026, July 16, 2026, and October 16, 2026, subject to acceleration or cancellation.

What plan governs these EnerSys stock units?

The EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors governs these units.

What does each EnerSys stock unit represent?

Each unit represents a right to receive one share of EnerSys common stock, payable upon the reporting person’s Termination as defined in the plan.

Was any price paid for the matching EnerSys stock units?

The matching 10 stock units were credited at $0.