WH
W Nicholas Howley

W Nicholas Howley insider trades: TransDigm Group (TDG) stock buys and sales

TransDigm Group Last trade Aug 18, 2026 278 Form 4 filings
$106.2M
Sold, last 12 months
9 sales
$0
Bought, last 12 months
0 buys
300
Open-market trades
since 2006
3
Companies
last trade 2026

Trades on the price chart

Daily close, with an arrow on each day they bought or sold

Companies

Where W reports to the SEC

Open-market buys and sales

300 trades reported on SEC Form 4, newest first

DateStockTypeValue
Aug 18, 2026TDG↓ Sell$12.5M
Jul 20, 2026TDG↓ Sell$12.3M
Jun 18, 2026TDG↓ Sell$13.4M
Jun 18, 2026TDG↓ Sell$13.4M
Jun 18, 2026TDG↓ Sell$13.4M
May 18, 2026TDG↓ Sell$12.0M
Mar 18, 2026TDG↓ Sell$12.3M
Feb 18, 2026TDG↓ Sell$13.3M
Nov 17, 2025TDG↓ Sell$3.7M
Oct 15, 2025TDG↓ Sell$3.6M
Sep 15, 2025TDG↓ Sell$3.5M
Aug 15, 2025TDG↓ Sell$3.8M
Jul 15, 2025TDG↓ Sell$4.3M
Jun 16, 2025TDG↓ Sell$4.0M
May 15, 2025TDG↓ Sell$3.8M
May 5, 2025TDG↓ Sell$72.7M
Apr 15, 2025TDG↓ Sell$7.4M
Mar 17, 2025TDG↓ Sell$7.4M
Feb 18, 2025TDG↓ Sell$7.2M
Jan 15, 2025TDG↓ Sell$7.1M
Dec 16, 2024TDG↓ Sell$7.0M
Nov 15, 2024TDG↓ Sell$6.4M
Nov 15, 2024TDG↓ Sell$285K
Nov 15, 2024TDG↓ Sell$223K
Oct 15, 2024TDG↓ Sell$6.3M
Oct 15, 2024TDG↓ Sell$1.4M
Sep 16, 2024TDG↓ Sell$7.5M
Aug 15, 2024TDG↓ Sell$6.9M
Jul 15, 2024TDG↓ Sell$6.3M
Jun 17, 2024TDG↓ Sell$7.2M
May 9, 2024TDG↓ Sell$260K
Feb 22, 2024TDG↓ Sell$69.5M
Feb 21, 2024TDG↓ Sell$10.9M
Feb 16, 2024TDG↓ Sell$6.4M
Jan 16, 2024TDG↓ Sell$3.6M
Jan 11, 2024TDG↓ Sell$53.7M
Dec 29, 2023TDG↓ Sell$24.0M
Dec 15, 2023TDG↓ Sell$6.2M
Dec 13, 2023TDG↓ Sell$1.8M
Nov 15, 2023TDG↓ Sell$7.0M
Aug 1, 2023TDG↓ Sell$36.2M
Jul 31, 2023TDG↓ Sell$2.7M
Jul 28, 2023TDG↓ Sell$5.0M
Jul 17, 2023TDG↓ Sell$2.9M
Jun 15, 2023TDG↓ Sell$2.6M
May 15, 2023TDG↓ Sell$2.6M
May 8, 2023TDG↓ Sell$7.5M
Apr 17, 2023TDG↓ Sell$4.9M
Mar 15, 2023TDG↓ Sell$4.6M
Feb 15, 2023TDG↓ Sell$4.9M

Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.

Other TDG insiders

Open-market trades in the last 12 months

About W Nicholas Howley's insider trades

W Nicholas Howley is an insider at TransDigm Group (TDG). Since Mar 20, 2006, W has reported 7 open-market purchases worth $5.0M and 293 sales worth $1.36B on SEC Form 4. In the last 12 months: 9 sales ($106.2M).

Their filings also include option exercises (182 filings), grants and awards (26 filings), other transactions (15 filings), gifts (7 filings). These aren't open-market trades and aren't counted above.

How to read insider trades

Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every TDG insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.