EnerSys executive reports RSU-related share forfeitures

EnerSys executive Chad C. Uplinger, President Industrial Mobility, reported two code F transactions involving common stock related to RSU vesting.

Rhea-AI Filing Summary

EnerSys executive Chad C. Uplinger, President Industrial Mobility, reported two code F transactions involving common stock related to RSU vesting. On August 11, 2026, 289 shares at $186.30 per share and on August 12, 2026, 437 shares at $186.21 per share were delivered or withheld for payment of exercise price or tax liability, with footnotes stating the shares were forfeited in connection with vesting of Restricted Stock Units granted in 2023 and 2022, respectively. The Form 4 does not indicate use of a Rule 10b5-1 trading plan.

Insider Trade Summary

Exercise Price or Tax Liability: 726 shares

Exercise Price or Tax Liability 2 txns

Insider Uplinger Chad C

Role President Industrial Mobility

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock F2	437	$186.21	$81K
Exercise Price or Tax Liability	Common Stock F1	289	$186.30	$54K

Holdings After Transaction: Common Stock — 21,882 shares (Direct)

Footnotes (2)

1. F1. Shares were forfeited in connection with the vesting of Restricted Stock Units granted to the reporting person on August 11, 2023.
2. F2. Shares were forfeited in connection with the vesting of Restricted Stock Units granted to the reporting person on August 12, 2022.

Key Figures

Code F shares on 2026-08-11: 289 shares at $186.30 per share Code F shares on 2026-08-12: 437 shares at $186.21 per share Total shares in code F transactions: 726 shares

3 metrics

Code F shares on 2026-08-11 289 shares at $186.30 per share Common stock delivered or withheld for exercise price or tax liability; RSUs granted August 11, 2023

Code F shares on 2026-08-12 437 shares at $186.21 per share Common stock delivered or withheld for exercise price or tax liability; RSUs granted August 12, 2022

Total shares in code F transactions 726 shares Aggregate shares delivered or withheld across both code F transactions reported

Key Terms

Restricted Stock Units, code F, Rule 10b5-1 trading plan, withholding securities

4 terms

Restricted Stock Units financial

"Shares were forfeited in connection with the vesting of Restricted Stock Units granted"

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.

code F financial

"reported two code F transactions involving common stock related to RSU vesting"

Rule 10b5-1 trading plan regulatory

"does not indicate use of a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

withholding securities financial

"delivered or withheld for payment of exercise price or tax liability"

FAQ

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

What insider transactions did EnerSys (ENS) report for Chad C. Uplinger?

EnerSys reported that Chad C. Uplinger had two code F transactions involving a total of 726 common shares delivered or withheld in connection with RSU vesting and related payment of exercise price or tax liability.

How many EnerSys (ENS) shares were involved in the August 11, 2026 transaction?

On August 11, 2026, Chad C. Uplinger had 289 EnerSys common shares at $186.30 per share delivered or withheld for payment of exercise price or tax liability, tied to RSUs granted on August 11, 2023.

What happened on August 12, 2026 in the EnerSys (ENS) Form 4 filing?

On August 12, 2026, 437 EnerSys common shares at $186.21 per share were delivered or withheld for payment of exercise price or tax liability, with footnotes noting forfeiture in connection with RSUs granted on August 12, 2022.

Were EnerSys (ENS) shares sold on the open market in this Form 4?

The Form 4 reports code F events, where shares were delivered or withheld for payment of exercise price or tax liability in connection with RSU vesting, rather than open-market purchases or sales, according to the transaction code description and footnotes.

Do the EnerSys (ENS) insider transactions involve a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not selected, indicating these transactions were not reported as being effected pursuant to a Rule 10b5-1 trading plan, based on the document-level plan status field.

What are the RSU grants referenced in the EnerSys (ENS) Form 4 footnotes?

Footnotes state that some shares were forfeited in connection with vesting of Restricted Stock Units granted to Chad C. Uplinger on August 11, 2023 and August 12, 2022, linking each forfeiture to a specific RSU grant date.

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

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Accepted by SEC EDGAR 08/13/2026 - 04:22 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^*

Uplinger Chad C

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2026

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	08/11/2026		F		289(1)	D	$186.3	22,319	D
Common Stock	08/12/2026		F		437(2)	D	$186.21	21,882	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. Shares were forfeited in connection with the vesting of Restricted Stock Units granted to the reporting person on August 11, 2023.

2. Shares were forfeited in connection with the vesting of Restricted Stock Units granted to the reporting person on August 12, 2022.

	/s/ John Yarbrough by Power of Attorney	08/13/2026
	** 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)