[Form 4] EnerSys Insider Trading Activity

Rhea-AI Filing Summary

EnerSys director Lauren Knausenberger reported stock-based compensation and matching stock units rather than cash fees. On 01/15/2026, she acquired 158 shares of EnerSys common stock at a reference price of $167.14 in lieu of cash fees, credited as stock units under the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors. She also received 31 additional stock units as a matching contribution by EnerSys at a price of $0. The matching stock units vest 25% on each of April 15, 2026, July 15, 2026, October 15, 2026, and January 15, 2027, with vesting subject to possible acceleration or cancellation upon certain events. Following these transactions, she beneficially owned 5,293 shares/stock units directly, each unit representing a right to receive one share of EnerSys common stock payable upon her termination as defined in the plan.

Insights

Corporate governance and compensation analyst

Director compensation shifted into stock units, modest size, routine governance event.

EnerSys granted director Lauren Knausenberger 158 stock units in lieu of cash fees at a reference price of $167.14, plus 31 matching stock units contributed by EnerSys. These entries are reported as acquisitions of common stock under a voluntary deferred compensation plan for non-employee directors, with total beneficial ownership rising to 5,293 shares or equivalent stock units held directly.

The matching contribution vests in four 25% installments on April 15, 2026, July 15, 2026, October 15, 2026, and January 15, 2027, and can be accelerated or cancelled upon certain events. Each stock unit represents a right to receive one share of common stock, payable upon the director’s termination as defined in the plan, which defers actual share delivery and concentrates impact in the longer term.

From an investor perspective, this is a routine equity-based compensation grant and employer match for a director, with no indication of open-market buying or selling. The amounts involved are small relative to typical public company floats, so the filing mainly documents alignment of director incentives with shareholders rather than signaling a change in outlook or control.

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^*

Knausenberger Lauren

(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)
01/15/2026

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	01/15/2026		A		158(1)	A	$167.14	5,262	D
Common Stock	01/15/2026		A		31(2)	A	$0	5,293(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 158 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 April 15, 2026, July 15, 2026, October 15, 2026 and January 15, 2027. 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 31 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	01/20/2026
	** 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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