REISS JOEL (Co-Chief Operating Officer) sold 52.0% of their position (3.90K shares) of TRANSDIGM GROUP INC on the open market

Open‑market sale worth $5.05M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 23 sales

REISS JOEL

Filed: 2/18/2026ACC: 0001193125-26-056993

InsiderREISS JOELCIK 1656109

→

IssuerTRANSDIGM GROUP INCCIK 1260221

Officer· Co-Chief Operating Officer

Since Feb 2026

-3.90K

Net shares

Net seller

$5.05M

Total sold

Open market trades

0B · 23S

Total transactions

3.90K acquired · 7.80K disposed

Non-Derivative Transactions24

Common Stock

Direct

M · Option Exercise

+3.90K

Price / share

$284.97

Trade value

$1.11M

% of position

108.3%

2/17/2026

3.60K→7.50K

Common Stock

Direct

S · Sale

−27.00

Price / share

$1.28K

Trade value

$34.55K

% of position

0.4%

2/17/2026

7.50K→7.47K

Common Stock

Direct

S · Sale

−113.00

Price / share

$1.28K

Trade value

$144.72K

% of position

1.5%

2/17/2026

7.47K→7.36K

Common Stock

Direct

S · Sale

−99.00

Price / share

$1.28K

Trade value

$126.96K

% of position

1.3%

2/17/2026

7.36K→7.26K

Common Stock

Direct

S · Sale

−71.00

Price / share

$1.28K

Trade value

$91.11K

% of position

1.0%

2/17/2026

7.26K→7.19K

Common Stock

Direct

S · Sale

−120.00

Price / share

$1.28K

Trade value

$154.17K

% of position

1.7%

2/17/2026

7.19K→7.07K

Common Stock

Direct

S · Sale

−120.00

Price / share

$1.29K

Trade value

$154.33K

% of position

1.7%

2/17/2026

7.07K→6.95K

Common Stock

Direct

S · Sale

−106.00

Price / share

$1.29K

Trade value

$136.44K

% of position

1.5%

2/17/2026

6.95K→6.84K

Common Stock

Direct

S · Sale

−104.00

Price / share

$1.29K

Trade value

$133.95K

% of position

1.5%

2/17/2026

6.84K→6.74K

Common Stock

Direct

S · Sale

−140.00

Price / share

$1.29K

Trade value

$180.47K

% of position

2.1%

2/17/2026

6.74K→6.60K

Common Stock

Direct

S · Sale

−140.00

Price / share

$1.29K

Trade value

$180.63K

% of position

2.1%

2/17/2026

6.60K→6.46K

Common Stock

Direct

S · Sale

−182.00

Price / share

$1.29K

Trade value

$234.98K

% of position

2.8%

2/17/2026

6.46K→6.28K

Common Stock

Direct

S · Sale

−214.00

Price / share

$1.29K

Trade value

$276.56K

% of position

3.4%

2/17/2026

6.28K→6.06K

Common Stock

Direct

S · Sale

−361.00

Price / share

$1.29K

Trade value

$466.85K

% of position

6.0%

2/17/2026

6.06K→5.70K

Common Stock

Direct

S · Sale

−172.00

Price / share

$1.29K

Trade value

$222.62K

% of position

3.0%

2/17/2026

5.70K→5.53K

Common Stock

Direct

S · Sale

−266.00

Price / share

$1.30K

Trade value

$344.60K

% of position

4.8%

2/17/2026

5.53K→5.26K

Common Stock

Direct

S · Sale

−248.00

Price / share

$1.30K

Trade value

$321.56K

% of position

4.7%

2/17/2026

5.26K→5.02K

Common Stock

Direct

S · Sale

−326.00

Price / share

$1.30K

Trade value

$422.98K

% of position

6.5%

2/17/2026

5.02K→4.69K

Common Stock

Direct

S · Sale

−392.00

Price / share

$1.30K

Trade value

$509.11K

% of position

8.4%

2/17/2026

4.69K→4.30K

Common Stock

Direct

S · Sale

−220.00

Price / share

$1.30K

Trade value

$285.90K

% of position

5.1%

2/17/2026

4.30K→4.08K

Common Stock

Direct

S · Sale

−330.00

Price / share

$1.30K

Trade value

$429.30K

% of position

8.1%

2/17/2026

4.08K→3.75K

Common Stock

Direct

S · Sale

−29.00

Price / share

$1.30K

Trade value

$37.77K

% of position

0.8%

2/17/2026

3.75K→3.72K

Common Stock

Direct

S · Sale

−50.00

Price / share

$1.30K

Trade value

$65.20K

% of position

1.3%

2/17/2026

3.72K→3.67K

Common Stock

Direct

S · Sale

−70.00

Price / share

$1.31K

Trade value

$91.37K

% of position

1.9%

2/17/2026

3.67K→3.60K

Total

Net shares

+0.00

Net value

-$3.93M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/17/2026	M · Option Exercise	+3.90K	$284.97	$1.11M	108.3%	3.60K	7.50K
Common Stock Direct	2/17/2026	S · Sale	−27.00	$1.28K	$34.55K	0.4%	7.50K	7.47K
Common Stock Direct	2/17/2026	S · Sale	−113.00	$1.28K	$144.72K	1.5%	7.47K	7.36K
Common Stock Direct	2/17/2026	S · Sale	−99.00	$1.28K	$126.96K	1.3%	7.36K	7.26K
Common Stock Direct	2/17/2026	S · Sale	−71.00	$1.28K	$91.11K	1.0%	7.26K	7.19K
Common Stock Direct	2/17/2026	S · Sale	−120.00	$1.28K	$154.17K	1.7%	7.19K	7.07K
Common Stock Direct	2/17/2026	S · Sale	−120.00	$1.29K	$154.33K	1.7%	7.07K	6.95K
Common Stock Direct	2/17/2026	S · Sale	−106.00	$1.29K	$136.44K	1.5%	6.95K	6.84K
Common Stock Direct	2/17/2026	S · Sale	−104.00	$1.29K	$133.95K	1.5%	6.84K	6.74K
Common Stock Direct	2/17/2026	S · Sale	−140.00	$1.29K	$180.47K	2.1%	6.74K	6.60K
Common Stock Direct	2/17/2026	S · Sale	−140.00	$1.29K	$180.63K	2.1%	6.60K	6.46K
Common Stock Direct	2/17/2026	S · Sale	−182.00	$1.29K	$234.98K	2.8%	6.46K	6.28K
Common Stock Direct	2/17/2026	S · Sale	−214.00	$1.29K	$276.56K	3.4%	6.28K	6.06K
Common Stock Direct	2/17/2026	S · Sale	−361.00	$1.29K	$466.85K	6.0%	6.06K	5.70K
Common Stock Direct	2/17/2026	S · Sale	−172.00	$1.29K	$222.62K	3.0%	5.70K	5.53K
Common Stock Direct	2/17/2026	S · Sale	−266.00	$1.30K	$344.60K	4.8%	5.53K	5.26K
Common Stock Direct	2/17/2026	S · Sale	−248.00	$1.30K	$321.56K	4.7%	5.26K	5.02K
Common Stock Direct	2/17/2026	S · Sale	−326.00	$1.30K	$422.98K	6.5%	5.02K	4.69K
Common Stock Direct	2/17/2026	S · Sale	−392.00	$1.30K	$509.11K	8.4%	4.69K	4.30K
Common Stock Direct	2/17/2026	S · Sale	−220.00	$1.30K	$285.90K	5.1%	4.30K	4.08K
Common Stock Direct	2/17/2026	S · Sale	−330.00	$1.30K	$429.30K	8.1%	4.08K	3.75K
Common Stock Direct	2/17/2026	S · Sale	−29.00	$1.30K	$37.77K	0.8%	3.75K	3.72K
Common Stock Direct	2/17/2026	S · Sale	−50.00	$1.30K	$65.20K	1.3%	3.72K	3.67K
Common Stock Direct	2/17/2026	S · Sale	−70.00	$1.31K	$91.37K	1.9%	3.67K	3.60K
Total			+0.00		-$3.93M

Derivative Transactions1

Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

3.90K shares

−3.90K

Strike price

284.97

Held after

31.40K

Exercisable

—

2/17/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Direct	Common Stock3.90K shares	2/17/2026	M · Option Exercise	−3.90K	284.97	—	31.40K