EnerSys director Knausenberger acquires stock awards

The dividend-related units are vested and payable when their underlying deferred or restricted stock units are payable.

Rhea-AI Filing Summary

EnerSys director Lauren Knausenberger reported six direct Common Stock award acquisitions on October 2, 2026: 7.5360 shares in Deferred Stock Units and five Restricted Stock Unit awards of 2.0455, 0.0147, 0.0220, 0.0293 and 0.0395 shares. The awards were granted in connection with the cash dividend paid that date; the resulting DSUs and RSUs are vested and payable concurrent with their underlying units.

Insider Trade Summary

Grant/Award: 9.687 shares

Grant/Award 6 txns

Insider Knausenberger Lauren

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	7.536	$0.00	$0.00
Grant/Award	Common Stock F2	2.0455	$0.00	$0.00
Grant/Award	Common Stock F3	0.0147	$0.00	$0.00
Grant/Award	Common Stock F4	0.022	$0.00	$0.00
Grant/Award	Common Stock F5	0.0293	$0.00	$0.00
Grant/Award	Common Stock F6	0.0395	$0.00	$0.00

Holdings After Transaction: Common Stock — 6,623.687 shares (Direct)

Footnotes (6)

1. F1. These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on October 2, 2026, to stockholders of record as of September 18, 2026 (the "Dividend"), with respect to 5,145 vested DSUs granted to the reporting person on various dates and adjusted for previously declared and paid cash dividends. These DSUs are vested and payable concurrent with the underlying DSUs.
2. F2. These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to vested RSUs granted to the reporting person on various dates under the EnerSys Deferred Compensation Plan for Non-Employee Directors (the "Plan"), and adjusted for previously declared and paid cash dividends. These RSUs are vested and payable concurrent with the underlying RSUs.
3. F3. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on October 16, 2025, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.
4. F4. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on January 15, 2026, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.
5. F5. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on April 13, 2026, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.
6. F6. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on July 16, 2026, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

Key Figures

Deferred Stock Units awarded: 7.5360 shares Restricted Stock Units awarded: 2.0455 shares Restricted Stock Units awarded: 0.0147 shares +3 more

6 metrics

Deferred Stock Units awarded 7.5360 shares Direct acquisition on October 2, 2026

Restricted Stock Units awarded 2.0455 shares Direct acquisition on October 2, 2026

Restricted Stock Units awarded 0.0147 shares Direct acquisition on October 2, 2026

Restricted Stock Units awarded 0.0220 shares Direct acquisition on October 2, 2026

Restricted Stock Units awarded 0.0293 shares Direct acquisition on October 2, 2026

Restricted Stock Units awarded 0.0395 shares Direct acquisition on October 2, 2026

Key Terms

Deferred Stock Units, Restricted Stock Units, EnerSys Deferred Compensation Plan for Non-Employee Directors

3 terms

Deferred Stock Units financial

"granted in the form of Deferred Stock Units"

Deferred stock units are promises from a company to give an employee shares of stock at a future date, often after certain conditions are met or after leaving the company. They function like a form of delayed compensation, allowing employees to earn shares over time. For investors, they represent potential future ownership in the company, but do not provide immediate voting rights or dividends until the shares are actually received.

Restricted Stock Units financial

"granted in the form of Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

EnerSys Deferred Compensation Plan for Non-Employee Directors financial

"under the EnerSys Deferred Compensation Plan for Non-Employee Directors"

FAQ

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

How many ENS shares did director Lauren Knausenberger acquire?

Lauren Knausenberger reported direct acquisitions of 7.5360 shares in Deferred Stock Units and Restricted Stock Unit awards of 2.0455, 0.0147, 0.0220, 0.0293 and 0.0395 shares, all on October 2, 2026.

Why did Lauren Knausenberger receive ENS stock units on October 2, 2026?

The stock units were granted in connection with a cash dividend paid on October 2, 2026, to stockholders of record as of September 18, 2026. The Deferred Stock Unit award related to 5,145 vested DSUs; the Restricted Stock Unit awards related to vested and unvested RSUs under the EnerSys Deferred Compensation Plan for Non-Employee Directors.

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

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Available on EDGAR 10/06/2026 - 04:39 PM Accepted by SEC EDGAR 10/06/2026 - 04:39 PM 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)
10/02/2026

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	10/02/2026		A		7.536(1)	A	$0	6,621.536	D
Common Stock	10/02/2026		A		2.0455(2)	A	$0	6,623.5815	D
Common Stock	10/02/2026		A		0.0147(3)	A	$0	6,623.5962	D
Common Stock	10/02/2026		A		0.022(4)	A	$0	6,623.6182	D
Common Stock	10/02/2026		A		0.0293(5)	A	$0	6,623.6475	D
Common Stock	10/02/2026		A		0.0395(6)	A	$0	6,623.687	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. These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on October 2, 2026, to stockholders of record as of September 18, 2026 (the "Dividend"), with respect to 5,145 vested DSUs granted to the reporting person on various dates and adjusted for previously declared and paid cash dividends. These DSUs are vested and payable concurrent with the underlying DSUs.

2. These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to vested RSUs granted to the reporting person on various dates under the EnerSys Deferred Compensation Plan for Non-Employee Directors (the "Plan"), and adjusted for previously declared and paid cash dividends. These RSUs are vested and payable concurrent with the underlying RSUs.

3. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on October 16, 2025, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

4. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on January 15, 2026, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

5. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on April 13, 2026, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

6. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on July 16, 2026, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

	/s/ John Yarbrough by Power of Attorney	10/06/2026
	** 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)