EnerSys director awarded stock units as fees

Knausenberger Lauren reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Knausenberger Lauren reported acquisition or exercise transactions in this Form 4 filing.

EnerSys director Lauren Knausenberger reported equity-based compensation in the form of stock units rather than cash fees. She received 136 stock units of EnerSys common stock at $194.61 per unit under the company’s Voluntary Deferred Compensation Plan for Non-Employee Directors.

EnerSys also made a matching contribution of 27 additional stock units to her account. These matching units vest 25% on each of July 13, 2026, October 13, 2026, January 13, 2027 and April 13, 2027. Each stock unit represents a right to receive one EnerSys share upon her Termination as defined in the plan, bringing her direct holdings to 5,463 shares of common stock after these awards.

Insider Trade Summary

Grant/Award: 163 shares

Grant/Award 2 txns

Insider Knausenberger Lauren

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	136	$194.61	$26K
Grant/Award	Common Stock	27	$0.00	$0.00

Holdings After Transaction: Common Stock — 5,463 shares (Direct)

Footnotes (3)

1. F1. In lieu of receiving cash fees, the reporting person received 136 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").
2. F2. 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 July 13, 2026, October 13, 2026, January 13, 2027 and April 13, 2027. Such vesting is subject to acceleration or cancellation upon the occurrence of certain events.
3. F3. As a result of these transactions the reporting person has an additional 27 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.

Key Figures

Stock units in lieu of fees: 136 stock units at $194.61 Matching stock units: 27 stock units Post-transaction holdings: 5,463 shares +1 more

4 metrics

Stock units in lieu of fees 136 stock units at $194.61 Director compensation credited on April 13, 2026

Matching stock units 27 stock units Matching contribution under EnerSys deferred compensation plan

Post-transaction holdings 5,463 shares EnerSys common stock held directly after awards

Vesting schedule 25% on four dates Matching units vest on Jul 13 2026, Oct 13 2026, Jan 13 2027, Apr 13 2027

Key Terms

Voluntary Deferred Compensation Plan for Non-Employee Directors, stock units, matching stock unit contribution, Termination

4 terms

Voluntary Deferred Compensation Plan for Non-Employee Directors financial

"received 136 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors"

stock units financial

"the reporting person received 136 stock units, which immediately vested"

Stock units are individual pieces of ownership in a company, like slices of a pie that together make up the whole business. They matter to investors because each unit represents a claim on the company’s assets, profits and sometimes voting power, and changes in the number or value of these units affect ownership percentages, potential dividends and share dilution — all of which influence an investment’s worth.

matching stock unit contribution financial

"This amount reflects a matching stock unit contribution by EnerSys for the reporting person's account in the Plan."

Termination financial

"Each of these stock units represents a right to receive one share ... and is payable upon the reporting person's Termination, as defined in the Plan."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did EnerSys (ENS) director Lauren Knausenberger report in this Form 4?

Lauren Knausenberger reported equity compensation in stock units rather than cash. She received 136 stock units credited at $194.61 per unit plus 27 additional matching stock units, all tied to EnerSys common stock and reported as direct ownership following the transactions.

Was this EnerSys (ENS) Form 4 an open-market stock purchase or a compensation grant?

This filing reflects compensation grants, not open-market buying. The 136 stock units were received in lieu of cash director fees, and 27 additional stock units were a matching contribution by EnerSys under its Voluntary Deferred Compensation Plan for Non-Employee Directors.

How many EnerSys (ENS) shares does Lauren Knausenberger hold after these transactions?

After these transactions, Lauren Knausenberger holds 5,463 shares of EnerSys common stock directly. This total reflects the addition of the 136 stock units and the 27 matching stock units credited to her account under the company’s deferred compensation plan.

How do the 27 matching stock units for EnerSys (ENS) vest for Lauren Knausenberger?

The 27 matching stock units vest gradually. Vesting occurs in four equal 25% installments on July 13, 2026, October 13, 2026, January 13, 2027 and April 13, 2027, subject to potential acceleration or cancellation if certain specified events occur under the plan.

What does each EnerSys (ENS) stock unit represent in Knausenberger’s deferred compensation plan?

Each stock unit represents a right to receive one share of EnerSys common stock. These units are held in the Voluntary Deferred Compensation Plan for Non-Employee Directors and are payable upon Lauren Knausenberger’s Termination, as that term is specifically defined in the plan’s governing documents.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/15/2026 - 04:21 PM EDT Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/13/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/13/2026		A		136(1)	A	$194.61	5,436	D
Common Stock	04/13/2026		A		27(2)	A	$0	5,463(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 136 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 July 13, 2026, October 13, 2026, January 13, 2027 and April 13, 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 27 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	04/15/2026
	** 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)