Insider trade

Director sold ~$555K of TDG shares in the open market

Traded Aug 18, 2026 · Filed Aug 19, 2026

TransDigm GroupTDG

~$555K
Approx. value · 450 sh @ $1,233.30: 28K
Holds after · shares reported: −11.4%
stock since the trade · S&P 500 +1.0%, $1,233.78 → $1,092.66 on Oct 5

Why it stands out

A TransDigm director sold $555K of TransDigm shares. The filing does not indicate a pre-arranged trading plan.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Aug 18, 2026
Reporting period: Not applicable
Filed with the SEC: Aug 19, 2026

DirectorIndirect holding$500K–$1M

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$554,987

Shares × reported transaction price

Timing vs results

14 days after results of Aug 4, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $1,233.78 on Aug 18, 2026, 9% above its 52-week low and 15% below its high, after a 7% drop over the previous 30 trading days

52-week range $1,132.88 (Mar 30, 2026) to $1,450.00 (Jan 16, 2026), 32% of the way up, from 251 adjusted closes. 30 trading days earlier: $1,329.63 on Jul 7, 2026. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+0.5%	+1.1%	−0.6%
30 days	−6.0%	+1.4%	−7.4%

Past results only. Not a forecast.

Source receipt

Record ID: 0001352573-26-000013
Filed / recorded: Aug 19, 2026, 8:21 PM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: TransDigm Group INC
Issuer CIK: 1260221
Ticker: TDG
Reporting person: W Nicholas Howley
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Aug 18, 2026
Transaction code: S
Shares / units: 450
Price per share: $1,233.30
Acquired / disposed: Disposed (D)
Shares owned after: 28,210.513
Ownership form: Indirect — W. Nicholas Howley Family Trust u/a/d 4/23/99
Amendment: No

Footnotes from the filing

Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,232.8900 - $1,233.6700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.