HOWLEY W NICHOLAS (Chief Executive Officer) sold 32.0% of their position (10.13K shares) of TRANSDIGM GROUP INC on the open market

Open‑market sale worth $13.37M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 22 sales

HOWLEY W NICHOLAS

Filed: 6/22/2026ACC: 0001352573-26-000010

InsiderHOWLEY W NICHOLASCIK 1352573

→

IssuerTRANSDIGM GROUP INCCIK 1260221

DirectorOfficer· Chief Executive Officer

Since Nov 2018

-10.13K

Net shares

Net seller

$13.37M

Total sold

Open market trades

0B · 22S

Total transactions

10.13K acquired · 20.26K disposed

Non-Derivative Transactions23

Common Stock

Indirect

M · Option Exercise

+10.13K

Price / share

$66.47

Trade value

$673.47K

% of position

47.0%

6/18/2026

21.55K→31.68K

Common Stock

Indirect

S · Sale

−112.00

Price / share

$1.31K

Trade value

$146.18K

% of position

0.4%

6/18/2026

31.68K→31.57K

Common Stock

Indirect

S · Sale

−97.00

Price / share

$1.31K

Trade value

$126.88K

% of position

0.3%

6/18/2026

31.57K→31.47K

Common Stock

Indirect

S · Sale

−115.00

Price / share

$1.31K

Trade value

$150.53K

% of position

0.4%

6/18/2026

31.47K→31.36K

Common Stock

Indirect

S · Sale

−160.00

Price / share

$1.31K

Trade value

$209.67K

% of position

0.5%

6/18/2026

31.36K→31.20K

Common Stock

Indirect

S · Sale

−964.00

Price / share

$1.31K

Trade value

$1.27M

% of position

3.1%

6/18/2026

31.20K→30.23K

Common Stock

Indirect

S · Sale

−745.00

Price / share

$1.32K

Trade value

$980.20K

% of position

2.5%

6/18/2026

30.23K→29.49K

Common Stock

Indirect

S · Sale

−1.38K

Price / share

$1.32K

Trade value

$1.81M

% of position

4.7%

6/18/2026

29.49K→28.11K

Common Stock

Indirect

S · Sale

−893.00

Price / share

$1.32K

Trade value

$1.18M

% of position

3.2%

6/18/2026

28.11K→27.22K

Common Stock

Indirect

S · Sale

−1.93K

Price / share

$1.32K

Trade value

$2.54M

% of position

7.1%

6/18/2026

27.22K→25.29K

Common Stock

Indirect

S · Sale

−827.00

Price / share

$1.32K

Trade value

$1.09M

% of position

3.3%

6/18/2026

25.29K→24.47K

Common Stock

Indirect

S · Sale

−268.00

Price / share

$1.32K

Trade value

$354.06K

% of position

1.1%

6/18/2026

24.47K→24.20K

Common Stock

Indirect

S · Sale

−305.00

Price / share

$1.32K

Trade value

$403.18K

% of position

1.3%

6/18/2026

24.20K→23.89K

Common Stock

Indirect

S · Sale

−677.00

Price / share

$1.32K

Trade value

$895.85K

% of position

2.8%

6/18/2026

23.89K→23.22K

Common Stock

Indirect

S · Sale

−377.00

Price / share

$1.32K

Trade value

$499.26K

% of position

1.6%

6/18/2026

23.22K→22.84K

Common Stock

Indirect

S · Sale

−257.00

Price / share

$1.33K

Trade value

$340.69K

% of position

1.1%

6/18/2026

22.84K→22.58K

Common Stock

Indirect

S · Sale

−200.00

Price / share

$1.33K

Trade value

$265.36K

% of position

0.9%

6/18/2026

22.58K→22.38K

Common Stock

Indirect

S · Sale

−245.00

Price / share

$1.33K

Trade value

$325.47K

% of position

1.1%

6/18/2026

22.38K→22.14K

Common Stock

Indirect

S · Sale

−47.00

Price / share

$1.33K

Trade value

$62.53K

% of position

0.2%

6/18/2026

22.14K→22.09K

Common Stock

Indirect

S · Sale

−13.00

Price / share

$1.33K

Trade value

$17.31K

% of position

0.1%

6/18/2026

22.09K→22.08K

Common Stock

Indirect

S · Sale

−275.00

Price / share

$1.33K

Trade value

$366.75K

% of position

1.2%

6/18/2026

22.08K→21.80K

Common Stock

Indirect

S · Sale

−78.00

Price / share

$1.33K

Trade value

$104.11K

% of position

0.4%

6/18/2026

21.80K→21.72K

Common Stock

Indirect

S · Sale

−176.00

Price / share

$1.34K

Trade value

$235.32K

% of position

0.8%

6/18/2026

21.72K→21.55K

Total

Net shares

+0.00

Net value

-$12.70M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	6/18/2026	M · Option Exercise	+10.13K	$66.47	$673.47K	47.0%	21.55K	31.68K
Common Stock Indirect	6/18/2026	S · Sale	−112.00	$1.31K	$146.18K	0.4%	31.68K	31.57K
Common Stock Indirect	6/18/2026	S · Sale	−97.00	$1.31K	$126.88K	0.3%	31.57K	31.47K
Common Stock Indirect	6/18/2026	S · Sale	−115.00	$1.31K	$150.53K	0.4%	31.47K	31.36K
Common Stock Indirect	6/18/2026	S · Sale	−160.00	$1.31K	$209.67K	0.5%	31.36K	31.20K
Common Stock Indirect	6/18/2026	S · Sale	−964.00	$1.31K	$1.27M	3.1%	31.20K	30.23K
Common Stock Indirect	6/18/2026	S · Sale	−745.00	$1.32K	$980.20K	2.5%	30.23K	29.49K
Common Stock Indirect	6/18/2026	S · Sale	−1.38K	$1.32K	$1.81M	4.7%	29.49K	28.11K
Common Stock Indirect	6/18/2026	S · Sale	−893.00	$1.32K	$1.18M	3.2%	28.11K	27.22K
Common Stock Indirect	6/18/2026	S · Sale	−1.93K	$1.32K	$2.54M	7.1%	27.22K	25.29K
Common Stock Indirect	6/18/2026	S · Sale	−827.00	$1.32K	$1.09M	3.3%	25.29K	24.47K
Common Stock Indirect	6/18/2026	S · Sale	−268.00	$1.32K	$354.06K	1.1%	24.47K	24.20K
Common Stock Indirect	6/18/2026	S · Sale	−305.00	$1.32K	$403.18K	1.3%	24.20K	23.89K
Common Stock Indirect	6/18/2026	S · Sale	−677.00	$1.32K	$895.85K	2.8%	23.89K	23.22K
Common Stock Indirect	6/18/2026	S · Sale	−377.00	$1.32K	$499.26K	1.6%	23.22K	22.84K
Common Stock Indirect	6/18/2026	S · Sale	−257.00	$1.33K	$340.69K	1.1%	22.84K	22.58K
Common Stock Indirect	6/18/2026	S · Sale	−200.00	$1.33K	$265.36K	0.9%	22.58K	22.38K
Common Stock Indirect	6/18/2026	S · Sale	−245.00	$1.33K	$325.47K	1.1%	22.38K	22.14K
Common Stock Indirect	6/18/2026	S · Sale	−47.00	$1.33K	$62.53K	0.2%	22.14K	22.09K
Common Stock Indirect	6/18/2026	S · Sale	−13.00	$1.33K	$17.31K	0.1%	22.09K	22.08K
Common Stock Indirect	6/18/2026	S · Sale	−275.00	$1.33K	$366.75K	1.2%	22.08K	21.80K
Common Stock Indirect	6/18/2026	S · Sale	−78.00	$1.33K	$104.11K	0.4%	21.80K	21.72K
Common Stock Indirect	6/18/2026	S · Sale	−176.00	$1.34K	$235.32K	0.8%	21.72K	21.55K
Total			+0.00		-$12.70M

Derivative Transactions1

Stock Option

Indirect

M · Option Exercise

Converts to

Common Stock

10.13K shares

−10.13K

Strike price

66.47

Held after

21.96K

Exercisable

—

6/18/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Indirect	Common Stock10.13K shares	6/18/2026	M · Option Exercise	−10.13K	66.47	—	21.96K