W Nicholas Howley

Compensation award — excluded from discretionary-purchase analysis.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $4.93M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $1.63M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $1.3M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $1.02M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $701K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $644K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $555K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $356K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $333K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $309K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $250K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $236K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $173K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -11.1% · S&P 500 -0.5% · to Oct 1

A board member of TransDigm Group sold $86K of TransDigm Group shares. Nobody planned it ahead of time.

Derivative exercise or conversion — not an open-market buy.

Derivative exercise or conversion — not an open-market buy.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $2.09M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $1.9M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $1.78M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $1.74M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $1.52M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $734K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $690K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $568K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $539K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $316K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $291K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -8.9% · S&P 500 +3.0% · to Oct 1

A board member of TransDigm Group sold $159K of TransDigm Group shares. Nobody planned it ahead of time.

Derivative exercise or conversion — not an open-market buy.

Derivative exercise or conversion — not an open-market buy.

Not classified as an open-market trade.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $2.54M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $2.54M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $2.54M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.81M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.81M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.81M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.27M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.27M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.27M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.18M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.18M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.18M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.09M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.09M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $1.09M of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $980K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $980K of TransDigm Group shares. Nobody planned it ahead of time.

Stock since the trade -17.4% · S&P 500 +2.3% · to Oct 1

A board member of TransDigm Group sold $980K of TransDigm Group shares. Nobody planned it ahead of time.