Shares withheld for taxes at Westinghouse Air Brake (NYSE: WAB)

Rhea-AI Filing Summary

Westinghouse Air Brake Technologies Corp executive David L. DeNinno reported a tax-related share disposition. On the vesting of restricted shares, the company withheld 2,243 shares of common stock to cover his withholding tax obligations at a price of $263.015 per share. After this withholding, he directly owns 56,865 shares of common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider DeNinno David L

Role Exec VP, General Counsel, Sec.

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock - Direct	2,243	$263.015	$590K

Holdings After Transaction: Common Stock - Direct — 56,865 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

DeNinno David L

(Last) (First) (Middle)

30 ISABELLA ST.

(Street)

PITTSBURGH PA 15212

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP [ WAB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Exec VP, General Counsel, Sec.

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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 - Direct	03/02/2026		F		2,243(1)	D	$263.015	56,865	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. The amount of securities withheld by the Company to discharge withholding tax obligations of the reporting person in connection with the vesting of restricted shares.

Remarks:

	David L. DeNinno	03/04/2026
	** 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.

FAQ

What insider transaction did WAB executive David L. DeNinno report?

David L. DeNinno reported a tax-related disposition of shares. The company withheld 2,243 common shares upon vesting of restricted stock to satisfy his withholding tax obligations, rather than an open-market sale.

How many WAB shares were withheld for David L. DeNinno’s taxes?

The company withheld 2,243 common shares for taxes. These shares were taken at vesting of restricted stock to discharge his withholding tax obligations, as disclosed in the Form 4 and related footnote.

At what price were the withheld WAB shares valued in the Form 4?

The withheld 2,243 WAB shares were valued at $263.015 per share. This price is used in the Form 4 to calculate the value of the shares applied toward the executive’s tax liability on vesting.

Does the WAB Form 4 show an open-market sale by David L. DeNinno?

No, the Form 4 shows a tax-withholding disposition, not an open-market sale. Shares were withheld by the company to cover taxes due on restricted stock vesting, as described in the transaction code and footnote.

How many WAB shares does David L. DeNinno own after this tax withholding?

After the tax withholding, David L. DeNinno directly owns 56,865 shares of Westinghouse Air Brake Technologies common stock. This post-transaction balance is reported in the Form 4 as his direct ownership total.

What does transaction code F mean in the WAB Form 4 filing?

Transaction code F indicates shares were used to pay taxes or exercise costs. Here, it reflects the company withholding common shares to satisfy DeNinno’s tax liability on restricted stock vesting, rather than a discretionary trade.