SEC Filing Analysis: WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (WAB)

Executive Summary

• Trading Significance: Low
• Key Takeaway: A senior officer executed a small, routine sale of common stock, likely for personal financial management.
• Market Impact: The transaction is immaterial to the company's market capitalization and is not expected to influence the stock price.

Company Information

Field	Value
Company	WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP
Ticker Symbol	WAB
CIK	0000943452
Industry	Railroad Equipment

Insider Information

Field	Value
Name	Mastalerz John A Jr
CIK	0001599216
Title/Position	SVP Fin, Corp Controller, CAO
Relationship	Officer

Transaction Details

Field	Value
Form Type	4
Transaction Date	2025-11-12
Transaction Code	S (Open market or private sale)
Security Type	Common Stock - Direct
Shares Involved	2,766
Price Per Share	$210.00
Total Value	$580,860
Shares Owned After	5,286
Ownership Type	Direct

Financial Impact Assessment

Transaction Materiality

Metric	Value
Transaction Value	$580,860
% of Market Cap	0.0017%
Shares Transacted	2,766
% of Shares Outstanding	0.0016%
Post-Transaction Ownership	5,286 shares (0.0031% of outstanding)
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: The $580,860 sale is negligible for a large-cap company with a market capitalization of $34.92 billion. Such transactions are routine and do not signal a change in company fundamentals.
• Ownership Concentration: The insider's post-transaction holding of 5,286 shares is a very small fraction of the total shares outstanding, indicating low ownership concentration for this individual.
• Transaction Significance: The sale represents approximately 34% of the insider's direct holdings, which is a significant reduction for the individual. However, given the transaction's minuscule size relative to the company's market cap and public float, its overall market significance is low.