InsiderSignal.AI

InsiderSignal.ai

TDG - Transdigm Group Inc

Insider Sale by Howley W Nicholas (Dir)

1 Month
After Trade
Before Trade

Loading data...

Trade Summary

2 days ago, Howley W Nicholas, serving as Dir at Transdigm Group Inc (TDG), sold 10,132 shares at $1,265.06 per share, for a total transaction value of $12,817,572.00. Following this transaction, Howley W Nicholas now holds 21,548 shares of TDG.

This sale represents a 32.00% decrease in Howley W Nicholas's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, April 20, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, April 21, 2026, 1 day after the trade was made.

Transdigm Group Inc operates in the INDUSTRIALS sector, specifically within the AEROSPACE & DEFENSE industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Howley W Nicholas

Howley W Nicholas

Dir

W. Nicholas Howley is a prominent business leader and co-founder of TransDigm Group Incorporated (NYSE: TDG) in 1993, serving as Chairman of the Board since 2003, Executive Chairman from 2018 to 2021, and previously as President and CEO from 2003 to 2018.[[1]](https://www.youtube.com/watch?v=8WEEdJS6plk)[[2]](https://fintool.com/app/research/companies/TDG/people/w-nicholas-howley)[[6]](https://ir.perimeter-solutions.com/corporate-governance/board-of-directors)[[7]](https://www.transdigm.com/transdigm-overview/board-of-directors/) Under his leadership, TransDigm has grown into a leading global designer, producer, and supplier of highly engineered aircraft components, systems, and subsystems, acquiring over 85 businesses and achieving an enterprise value exceeding $100 billion.[[1]](https://www.youtube.com/watch?v=8WEEdJS6plk)[[4]](https://www.lebow.drexel.edu/affiliate-bios/nicholas-howley-75)[[5]](https://www.howleyfoundation.org/founders-staff/) Howley, a Drexel University LeBow College of Business alumnus (class of 1975), also serves as Co-Chairman and co-founder of Perimeter Solutions (NYSE: PRM), the world's largest provider of wildfire prevention products, and is on the boards of directors for Perimeter Solutions and Consolidated Precision Products.[[1]](https://www.youtube.com/watch?v=8WEEdJS6plk)[[4]](https://www.lebow.drexel.edu/affiliate-bios/nicholas-howley-75)[[6]](https://ir.perimeter-solutions.com/corporate-governance/board-of-directors) He founded The Howley Foundation to support educational opportunities for economically disadvantaged students and operates Bratenahl Capital Partners for private equity investments.[[1]](https://www.youtube.com/watch?v=8WEEdJS6plk)[[4]](https://www.lebow.drexel.edu/affiliate-bios/nicholas-howley-75)[[5]](https://www.howleyfoundation.org/founders-staff/) As a TransDigm director, he recently traded shares and chairs the Executive Committee, deemed independent under NYSE rules.[[2]](https://fintool.com/app/research/companies/TDG/people/w-nicholas-howley)[[7]](https://www.transdigm.com/transdigm-overview/board-of-directors/)

View full insider profile →

Trade Price

$1,265.06

Quantity

10,132

Total Value

$12,817,572.00

Shares Owned

21,548

Trade Date

Monday, April 20, 2026

2 days ago

SEC Filing Date

Tuesday, April 21, 2026

Filed 1 day after trade

INDUSTRIALSAEROSPACE & DEFENSE

About Transdigm Group Inc

Company Overview

No company information available
View news mentioning TDG

💬 Want Deeper Insight?

Use our AI assistant to ask questions about this trade, the insider, or the company.

Chat with AI

Share this trade

https://insidersignal.ai/trade/5829121

🚀 Track Insider Trades in Real-Time

Create a free account to access our full database of insider trades, AI-powered analysis, price alerts, and discover what corporate executives are buying and selling.

Create Free AccountLearn More

✓ Free forever plan available  •  ✓ No credit card required  •  ✓ Cancel anytime