Insider trade

Officer sold ~$138K of TDG shares in the open market

Traded Sep 15, 2026 · Filed Sep 16, 2026

TransDigm GroupTDG

~$138K
Reported value · 125 sh @ $1,104.5772: 3,745
Holds after · shares reported: +1.1%
stock since the trade · S&P 500 +0.9%, $1,085.00 → $1,097.24 on Oct 1

Why it stands out

TransDigm Group's Co-Chief Operating Officer sold $138K of TransDigm Group shares. Nobody planned it ahead of time.

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: Sep 15, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 16, 2026

Officer$100K–$500K

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$138,072

Shares × reported transaction price

Timing vs results

42 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 $1,085.00 on Sep 15, 2026, at its 52-week low, after a 16% drop over the previous 30 trading days

52-week range $1,085.00 (Sep 15, 2026) to $1,450.00 (Jan 16, 2026), 0% of the way up, from 251 adjusted closes. 30 trading days earlier: $1,285.56 on Aug 3, 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	+2.7%	+0.6%	+2.1%

Past results only. Not a forecast.

Source receipt

Record ID: 0001656109-26-000008
Filed / recorded: Sep 16, 2026, 9:09 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: Joel Reiss
Relationship: Officer
Officer title: Co-Chief Operating Officer
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Sep 15, 2026
Transaction code: S
Shares / units: 125
Price per share: $1,104.5772
Acquired / disposed: Disposed (D)
Shares owned after: 3,745
Ownership form: Direct
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 $1,104.0300 - $1,105.0100. 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.