EnerSys director awarded stock units in fee plan

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 awards. On 2026-07-16 she received 135 stock units, valued at $195.30 each, in lieu of cash fees under the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors, plus a 27-unit matching contribution vesting in four 25% installments through July 16, 2027. Each stock unit represents a right to receive one share of EnerSys common stock, payable upon her Termination as defined in the Plan.

Insider Trade Summary

Grant/Award: 162 shares

Grant/Award 2 txns

Insider Knausenberger Lauren

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	135	$195.30	$26K
Grant/Award	Common Stock F2, F3	27	$0.00	$0.00

Holdings After Transaction: Common Stock — 5,632 shares (Direct)

Footnotes (3)

1. F1. In lieu of receiving cash fees, the reporting person received 135 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 October 16, 2026, January 16, 2027, April 16, 2027, and July 16, 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: 135 stock units Unit value: $195.3000 per stock unit Matching stock units: 27 stock units +3 more

6 metrics

Stock units in lieu of fees 135 stock units Awarded to the director on 2026-07-16 under the deferred compensation plan

Unit value $195.3000 per stock unit Value used for the 135 stock units granted in the Plan

Matching stock units 27 stock units EnerSys matching stock unit contribution to the director’s Plan account

Vesting schedule for match 25% on Oct 16 2026, Jan 16 2027, Apr 16 2027, Jul 16 2027 Vesting terms for the 27 matching stock units, subject to acceleration or cancellation

Holdings after 135-unit award 5,605 shares Total direct common stock holdings reported following the 135-unit award

Holdings after 27-unit match 5,632 shares Total direct common stock/stock units reported following the 27-unit matching contribution

Key Terms

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

4 terms

Voluntary Deferred Compensation Plan for Non-Employee Directors financial

"in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors"

matching stock unit contribution financial

"This amount reflects a matching stock unit contribution by EnerSys"

stock units financial

"the reporting person received 135 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.

Termination financial

"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 insider transaction did EnerSys (ENS) director Lauren Knausenberger report?

Lauren Knausenberger reported equity awards, not open-market trades. On July 16, 2026 she received 135 stock units in EnerSys’ deferred compensation plan and a 27-unit matching contribution, both tied to her role as a non-employee director.

How many EnerSys (ENS) stock units did Knausenberger receive in lieu of cash fees?

She received 135 stock units in lieu of cash director fees. These units immediately vested and were credited under the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors as an alternative form of compensation.

What is the vesting schedule for the 27 matching stock units at EnerSys (ENS)?

The 27 matching stock units vest 25% on four dates: October 16, 2026, January 16, 2027, April 16, 2027, and July 16, 2027. Vesting can be accelerated or cancelled upon certain events specified in the plan.

When will Knausenberger receive EnerSys (ENS) shares underlying these stock units?

Each stock unit represents a right to receive one EnerSys common share. The shares are payable upon Knausenberger’s “Termination,” as defined in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors.

Were EnerSys (ENS) shares bought or granted in this Form 4 filing?

The filing reports grant/award acquisitions, not market purchases or sales. All transactions are coded as awards of stock units related to director compensation, with no open-market buy or sell transactions disclosed.

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

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Accepted by SEC EDGAR 07/17/2026 - 05:02 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)
07/16/2026

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	07/16/2026		A		135(1)	A	$195.3	5,605	D
Common Stock	07/16/2026		A		27(2)	A	$0	5,632(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 135 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 October 16, 2026, January 16, 2027, April 16, 2027, and July 16, 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	07/17/2026
	** 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)