InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
4
T+90 hit rate
87%
T+90 mean return
+4.1%
Across 15 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Mastalerz John A Jr, Vice-Président Financier, Contrôleur Général, CAO. Director active across 1 company, notably Westinghouse AIR Brake Technologies CORP. Cumulatively, 22 filings have been recorded. Split: 0 buy · 4 sells. Total volume traded: €1.6m. History available since 27 May 2021. The latest transaction was disclosed on 12 November 2025 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations22 total
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2,766 shares@ US$210.00Common Stock - DirectSEC:0001628280-25-052216:0
668 shares0Common Stock - DirectSEC:0000943452-25-000094:0
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306 shares@ US$183.872.3% of flowCommon Stock - DirectSEC:0000943452-25-000054:0
◆
3,320 shares@ US$194.106226.2% of flowCommon Stock - DirectSEC:0000943452-25-000032:0
▼
2,796 shares@ US$199.712421.6% of flowCommon Stock - DirectSEC:0000943452-24-000167:0
◇
393 shares@ US$81.211.3% of flowCommon Stock - DirectSEC:0000943452-24-000111:0
885 shares0Common Stock - DirectSEC:0000943452-24-000097:0
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473 shares@ US$141.61752.6% of flowCommon Stock - DirectSEC:0000943452-24-000058:0
2,591 shares0Common Stock - DirectSEC:0000943452-24-000018:0
350 shares0Common Stock - DirectSEC:0000943452-23-000114:0
2,421 shares0Common Stock - DirectSEC:0000943452-23-000078:0
1,106 shares0Common Stock - DirectSEC:0000943452-23-000045:0
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546 shares@ US$104.89752.3% of flowCommon Stock - DirectSEC:0000943452-23-000024:0
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350 shares@ US$71.791.1% of flowCommon Stock - DirectSEC:0000943452-22-000010:0
660 shares0Common Stock - DirectSEC:0001628280-22-006675:0
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1,198 shares@ US$89.6750.0003% mcap9.5% of flowCommon Stock - DirectSEC:0001628280-22-004880:0
1,204 shares0Common Stock - DirectSEC:0001628280-22-004627:0
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5,012 shares@ US$95.340.0012% mcap41.5% of flowCommon Stock - DirectSEC:0001628280-22-003258:0
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327 shares@ US$91.9850.0001% mcap2.6% of flowCommon Stock - DirectSEC:0001628280-22-000164:0
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2,700 shares@ US$88.42010.0006% mcap20.1% of flowCommon Stock - DirectSEC:0001209191-21-051559:0
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333 shares@ US$66.770.0001% mcap1.8% of flowCommon Stock - DirectSEC:0001209191-21-036423:0
1,575 sharesCommon Stock - DirectSEC:0001209191-16-097638:0
22 of 22 declarations
About Mastalerz John A Jr
John A. Mastalerz Jr is the Vice President of Finance, Corporate Controller, and CAO at Westinghouse Air Brake Technologies Corp. He is responsible for financial management and compliance of the company. Westinghouse is a leader in braking technologies. John plays a key role in optimizing financial resources and the company's growth strategy.
