REISS JOEL

PrivateCIK: 1656109
Location

CLEVELAND, OH

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 $4.50M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 27 sales
InsiderREISS JOELCIK 1656109
IssuerTRANSDIGM GROUP INCCIK 1260221
Officer· Co-Chief Operating Officer
Since Feb 2026
-3.90K
Net shares
Net seller
$4.50M
Total sold
27
Open market trades
0B · 27S
29
Total transactions
3.90K acquired · 7.80K disposed
Non-Derivative Transactions28

Common Stock

Direct
M · Option Exercise

Shares

+3.90K

Price / share

$284.97

Trade value

$1.11M

% of position

108.3%
5/15/2026
3.60K7.50K

Common Stock

Direct
S · Sale

Shares

71.00

Price / share

$1.14K

Trade value

$81.25K

% of position

0.9%
5/15/2026
7.50K7.43K

Common Stock

Direct
S · Sale

Shares

259.00

Price / share

$1.15K

Trade value

$296.65K

% of position

3.5%
5/15/2026
7.43K7.17K

Common Stock

Direct
S · Sale

Shares

120.00

Price / share

$1.15K

Trade value

$137.54K

% of position

1.7%
5/15/2026
7.17K7.05K

Common Stock

Direct
S · Sale

Shares

462.00

Price / share

$1.15K

Trade value

$530.15K

% of position

6.6%
5/15/2026
7.05K6.59K

Common Stock

Direct
S · Sale

Shares

775.00

Price / share

$1.15K

Trade value

$889.89K

% of position

11.8%
5/15/2026
6.59K5.81K

Common Stock

Direct
S · Sale

Shares

463.00

Price / share

$1.15K

Trade value

$532.14K

% of position

8.0%
5/15/2026
5.81K5.35K

Common Stock

Direct
S · Sale

Shares

119.00

Price / share

$1.15K

Trade value

$136.89K

% of position

2.2%
5/15/2026
5.35K5.23K

Common Stock

Direct
S · Sale

Shares

151.00

Price / share

$1.15K

Trade value

$173.87K

% of position

2.9%
5/15/2026
5.23K5.08K

Common Stock

Direct
S · Sale

Shares

50.00

Price / share

$1.15K

Trade value

$57.61K

% of position

1.0%
5/15/2026
5.08K5.03K

Common Stock

Direct
S · Sale

Shares

130.00

Price / share

$1.15K

Trade value

$149.98K

% of position

2.6%
5/15/2026
5.03K4.90K

Common Stock

Direct
S · Sale

Shares

70.00

Price / share

$1.15K

Trade value

$80.83K

% of position

1.4%
5/15/2026
4.90K4.83K

Common Stock

Direct
S · Sale

Shares

50.00

Price / share

$1.16K

Trade value

$57.80K

% of position

1.0%
5/15/2026
4.83K4.78K

Common Stock

Direct
S · Sale

Shares

45.00

Price / share

$1.16K

Trade value

$52.14K

% of position

0.9%
5/15/2026
4.78K4.74K

Common Stock

Direct
S · Sale

Shares

95.00

Price / share

$1.16K

Trade value

$110.17K

% of position

2.0%
5/15/2026
4.74K4.64K

Common Stock

Direct
S · Sale

Shares

70.00

Price / share

$1.16K

Trade value

$81.22K

% of position

1.5%
5/15/2026
4.64K4.57K

Common Stock

Direct
S · Sale

Shares

110.00

Price / share

$1.16K

Trade value

$127.89K

% of position

2.4%
5/15/2026
4.57K4.46K

Common Stock

Direct
S · Sale

Shares

10.00

Price / share

$1.16K

Trade value

$11.63K

% of position

0.2%
5/15/2026
4.46K4.45K

Common Stock

Direct
S · Sale

Shares

76.00

Price / share

$1.16K

Trade value

$88.54K

% of position

1.7%
5/15/2026
4.45K4.37K

Common Stock

Direct
S · Sale

Shares

177.00

Price / share

$1.17K

Trade value

$206.37K

% of position

4.0%
5/15/2026
4.37K4.20K

Common Stock

Direct
S · Sale

Shares

121.00

Price / share

$1.17K

Trade value

$141.21K

% of position

2.9%
5/15/2026
4.20K4.08K

Common Stock

Direct
S · Sale

Shares

186.00

Price / share

$1.17K

Trade value

$217.27K

% of position

4.6%
5/15/2026
4.08K3.89K

Common Stock

Direct
S · Sale

Shares

81.00

Price / share

$1.17K

Trade value

$94.70K

% of position

2.1%
5/15/2026
3.89K3.81K

Common Stock

Direct
S · Sale

Shares

26.00

Price / share

$1.17K

Trade value

$30.43K

% of position

0.7%
5/15/2026
3.81K3.78K

Common Stock

Direct
S · Sale

Shares

43.00

Price / share

$1.17K

Trade value

$50.40K

% of position

1.1%
5/15/2026
3.78K3.74K

Common Stock

Direct
S · Sale

Shares

63.00

Price / share

$1.17K

Trade value

$73.88K

% of position

1.7%
5/15/2026
3.74K3.68K

Common Stock

Direct
S · Sale

Shares

30.00

Price / share

$1.17K

Trade value

$35.23K

% of position

0.8%
5/15/2026
3.68K3.65K

Common Stock

Direct
S · Sale

Shares

47.00

Price / share

$1.18K

Trade value

$55.24K

% of position

1.3%
5/15/2026
3.65K3.60K
Total

Net shares

+0.00

Net value

-$3.39M

Derivative Transactions1

Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

3.90K shares

Shares

3.90K

Strike price

284.97

Held after

19.70K

Exercisable

5/15/2026
REISS JOEL — Insider Transaction (Form 4) Filed May 18, 2026 | Finecho