Enpro director acquires 1.78 phantom stock units

Director William Abbey received additional phantom stock dividend equivalents under Enpro Inc.’s non-employee director deferred compensation plan.

Rhea-AI Filing Summary

Enpro Inc. (NPO) director William Abbey reported an acquisition of 1.7808 units of Phantom Stock on September 16, 2026. These units represent dividend equivalent rights accrued on previously acquired phantom stock under the company’s Deferred Compensation Plan for Non-Employee Directors on a 1-for-1 basis with common stock. Following this accrual, Abbey holds a total of 1,599.8382 Phantom Stock units, which vest and pay out upon the earliest of death, disability, or vesting and payout of the related underlying award. No transactions were made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Grant/Award: 1.7808 shares

Grant/Award 1 txn

Insider Abbey William

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock F1, F2, F3, F4	1.7808	$287.16	$511.37

Holdings After Transaction: Phantom Stock — 1,599.8382 contracts (Direct)

Footnotes (4)

1. F1. 1-for-1
2. F2. Dividend equivalent rights accrued to previously acquired phantom stock under the Deferred Compensation Plan for Non-Employee Directors (as amended and restated) of EnPro Industries, Inc.
3. F3. Vesting and payout occurs on the earliest of death, disability or the vesting and payout of the underlying award with respect to which the dividend equivalents relate.
4. F4. Balance includes multiple phantom stock grants, phantom stock accruals and previously accrued dividend equivalents.

Key Figures

Phantom Stock units acquired: 1.7808 units Reference value per Phantom Stock unit: $287.16 per unit Total Phantom Stock units after transaction: 1,599.8382 units

3 metrics

Phantom Stock units acquired 1.7808 units Dividend equivalent rights credited on September 16, 2026

Reference value per Phantom Stock unit $287.16 per unit Price field for the September 16, 2026 phantom stock accrual

Total Phantom Stock units after transaction 1,599.8382 units Balance following the reported acquisition

Key Terms

Phantom Stock, Dividend equivalent rights, Deferred Compensation Plan for Non-Employee Directors, vesting and payout

4 terms

Phantom Stock financial

"reported an acquisition of Phantom Stock units on September 16, 2026"

A phantom stock is a form of compensation that gives employees or executives the benefits of stock ownership, such as the increase in stock value, without actually giving them real shares. It acts like a promise to pay the employee the equivalent value of company stock later, often as a bonus or incentive. This allows companies to motivate and reward staff without diluting ownership or transferring actual shares.

Dividend equivalent rights financial

"Dividend equivalent rights accrued to previously acquired phantom stock"

Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.

Deferred Compensation Plan for Non-Employee Directors financial

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

vesting and payout financial

"Vesting and payout occurs on the earliest of death, disability"

FAQ

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

What transaction did Enpro Inc. (NPO) director William Abbey report on this Form 4?

He reported an acquisition of 1.7808 Phantom Stock units on September 16, 2026, representing dividend equivalent rights credited under Enpro Inc.’s Deferred Compensation Plan for Non-Employee Directors.

How many Enpro Inc. (NPO) Phantom Stock units does William Abbey hold after this transaction?

After the transaction, William Abbey holds a total of 1,599.8382 Phantom Stock units. The balance includes multiple phantom stock grants, phantom stock accruals, and previously accrued dividend equivalents.

What is the economic reference value per Phantom Stock unit in this Enpro Inc. (NPO) filing?

Each Phantom Stock unit in this transaction is referenced at $287.16 per unit, with the units structured on a 1-for-1 basis to Enpro Inc. common stock under the non-employee director deferred compensation plan.

What triggers vesting and payout of William Abbey’s Enpro Inc. (NPO) Phantom Stock units?

Vesting and payout occur on the earliest of death, disability, or the vesting and payout of the underlying award to which the dividend equivalents relate, as provided under the non-employee director deferred compensation plan.

Were William Abbey’s Enpro Inc. (NPO) transactions made under a Rule 10b5-1 plan?

No. The filing indicates no Rule 10b5-1 trading plan; the document-level 10b5-1 checkbox is not marked as being pursuant to such a plan.

Is William Abbey’s ownership of Enpro Inc. (NPO) Phantom Stock direct or indirect?

The Form 4 reports the Phantom Stock holdings as direct ownership, with no separate entity or indirect nature of ownership indicated for this transaction.

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

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Available on EDGAR 09/17/2026 - 06:08 PM Accepted by SEC EDGAR 09/17/2026 - 06:07 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^*

Abbey William

(Last) (First) (Middle)

5605 CARNEGIE BLVD.

SUITE 500

(Street)

CHARLOTTE NORTH CAROLINA 28209

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Enpro Inc. [ NPO ]

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)
09/16/2026

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

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
Phantom Stock	(1)	09/16/2026		A(2)		1.7808		(3)	(3)	Common Stock	1.7808	$287.16	1,599.8382(4)	D

Explanation of Responses:

1. 1-for-1

2. Dividend equivalent rights accrued to previously acquired phantom stock under the Deferred Compensation Plan for Non-Employee Directors (as amended and restated) of EnPro Industries, Inc.

3. Vesting and payout occurs on the earliest of death, disability or the vesting and payout of the underlying award with respect to which the dividend equivalents relate.

4. Balance includes multiple phantom stock grants, phantom stock accruals and previously accrued dividend equivalents.

	Angela P. Winter, attorney-in-fact of William Abbey	09/17/2026
	** 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)