W. Nicholas Howley

CIK: 0001352573

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)308 (89.3%)

Position reduction

Option Exercises (M)26 (7.5%)

Derivative conversions

Awards (A)4 (1.2%)

Compensation grants

Other (G, F, J, C, D, …)7 (2.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

TDG

TransDigm Group INC

Director

PRM

Perimeter Solutions, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (345 total)

TDG
TransDigm Group INC
Sep 18, 2026
Award(A)
Direct
126 shares at avg. $1085.00$137K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
250 shares at avg. $1236.89$309K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
204 shares at avg. $1225.60$250K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
190 shares at avg. $1241.14$236K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
140 shares at avg. $1236.12$173K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
270 shares at avg. $1234.69$333K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
4K shares at avg. $1239.17$4.9M
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
1.3K shares at avg. $1240.42$1.6M
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
290 shares at avg. $1229.09$356K
TDG
TransDigm Group INC
Aug 18, 2026
Exercise(M)
Indirect
10.1K shares at avg. $66.47$673K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
830 shares at avg. $1231.12$1.0M
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
570 shares at avg. $1230.02$701K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
1.1K shares at avg. $1232.01$1.3M
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
450 shares at avg. $1233.30$555K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
70 shares at avg. $1227.62$86K
TDG
TransDigm Group INC
Aug 18, 2026
Sale(S)
Indirect
520 shares at avg. $1238.08$644K
TDG
TransDigm Group INC
Jul 20, 2026
Sale(S)
Indirect
440 shares at avg. $1224.14$539K
TDG
TransDigm Group INC
Jul 20, 2026
Sale(S)
Indirect
1.5K shares at avg. $1218.58$1.8M
TDG
TransDigm Group INC
Jul 20, 2026
Sale(S)
Indirect
603 shares at avg. $1217.01$734K
TDG
TransDigm Group INC
Jul 20, 2026
Sale(S)
Indirect
1.2K shares at avg. $1219.48$1.5M
TDG
TransDigm Group INC
Jul 20, 2026
Sale(S)
Indirect
130 shares at avg. $1220.57$159K
TDG
TransDigm Group INC
Jul 20, 2026
Sale(S)
Indirect
465 shares at avg. $1222.32$568K
TDG
TransDigm Group INC
Jul 20, 2026
Sale(S)
Indirect
1.4K shares at avg. $1213.88$1.7M
TDG
TransDigm Group INC
Jul 20, 2026
Sale(S)
Indirect
1.7K shares at avg. $1212.73$2.1M
TDG
TransDigm Group INC
Jul 20, 2026
Sale(S)
Indirect
1.6K shares at avg. $1214.74$1.9M

		Type	Shares	Price		Ownership
Sep 18, 2026	TDG TransDigm Group INC	Award(A)	126	$1085.00	$136,710	Direct
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	250	$1236.89	$309,224	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	204	$1225.60	$250,023	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	190	$1241.14	$235,816	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	140	$1236.12	$173,057	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	270	$1234.69	$333,366	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	3,980	$1239.17	$4,931,915	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	1,313	$1240.42	$1,628,674	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	290	$1229.09	$356,437	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Exercise(M)	10,132	$66.47	$673,474	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	830	$1231.12	$1,021,829	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	570	$1230.02	$701,111	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	1,055	$1232.01	$1,299,775	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	450	$1233.30	$554,987	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	70	$1227.62	$85,934	Indirect
Aug 18, 2026	TDG TransDigm Group INC	Sale(S)	520	$1238.08	$643,803	Indirect
Jul 20, 2026	TDG TransDigm Group INC	Sale(S)	440	$1224.14	$538,621	Indirect
Jul 20, 2026	TDG TransDigm Group INC	Sale(S)	1,463	$1218.58	$1,782,787	Indirect
Jul 20, 2026	TDG TransDigm Group INC	Sale(S)	603	$1217.01	$733,856	Indirect
Jul 20, 2026	TDG TransDigm Group INC	Sale(S)	1,243	$1219.48	$1,515,820	Indirect
Jul 20, 2026	TDG TransDigm Group INC	Sale(S)	130	$1220.57	$158,674	Indirect
Jul 20, 2026	TDG TransDigm Group INC	Sale(S)	465	$1222.32	$568,378	Indirect
Jul 20, 2026	TDG TransDigm Group INC	Sale(S)	1,437	$1213.88	$1,744,345	Indirect
Jul 20, 2026	TDG TransDigm Group INC	Sale(S)	1,720	$1212.73	$2,085,898	Indirect
Jul 20, 2026	TDG TransDigm Group INC	Sale(S)	1,561	$1214.74	$1,896,215	Indirect

1-25 of 345 transactions

…

About Howley W Nicholas

Howley W Nicholas (SEC CIK 0001352573) files insider reports with the SEC as Director of TransDigm Group INC (TDG) and Director of Perimeter Solutions, Inc. (PRM).

Signal8 holds 35 ownership filings by Howley W Nicholas, all Form 4s, filed between Sep 18, 2024 and Sep 21, 2026. Those filings report 345 transactions, from Sep 16, 2024 to Sep 18, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Howley W Nicholas's filings is in CLEVELAND, OH.

Recent filings by Howley W Nicholas

Sep 18, 2026: Grant or award of TDG shares (Form 4, code A).
Aug 18, 2026: Open-market sales of TDG shares (8 lines, Form 4, code S).
Aug 18, 2026: Option exercise of TDG shares (Form 4, code M).
Aug 18, 2026: Open-market sales of TDG shares (6 lines, Form 4, code S).
Jul 20, 2026: Open-market sales of TDG shares (9 lines, Form 4, code S).

Other insiders filing for TransDigm Group INC (TDG)

Reiss Joel, Co-Chief Operating Officer
SMALL ROBERT J, Director
Palmer Peter, Director
Krasik Irina Igorevna, Director
Santana Michele, Director
MCCULLOUGH GARY E, Director

How to read Form 4 transaction codes