Insider trade

Director sold ~$2.18M of TDG shares in the open market

Traded Jan 5, 2026 · Filed Jan 6, 2026

TransDigm GroupTDG

~$2.18M
Reported value · 1,587 sh @ $1,376.1458: 15K
Holds after · shares reported: -19.8%
stock since the trade · S&P 500 +11.1%, $1,367.89 → $1,097.24 on Oct 1

Why it stands out

A board member of TransDigm Group sold $2.18M 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: Jan 5, 2026
Reporting period: Not applicable
Filed with the SEC: Jan 6, 2026

DirectorIndirect holding$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$2,183,943

Shares × reported transaction price

Timing vs results

54 days after results of Nov 12, 2025, 29 days before results of Feb 3, 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 $1,367.89 on Jan 5, 2026, 11% above its 52-week low and 16% below its high, after a 2% rise over the previous 30 trading days

52-week range $1,231.75 (Apr 8, 2025) to $1,620.83 (Jul 30, 2025), 35% of the way up, from 250 adjusted closes. 30 trading days earlier: $1,341.19 on Nov 19, 2025. 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	+2.8%	+0.1%	+2.7%
30 days	-7.2%	+0.1%	-7.3%
90 days	-15.6%	-4.4%	-11.2%
180 days	-2.8%	+8.9%	-11.8%

Past results only. Not a forecast.

Source receipt

Record ID: 0001193125-26-004595
Filed / recorded: Jan 6, 2026, 9:32 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: Kevin M Stein
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Jan 5, 2026
Transaction code: S
Shares / units: 1,587
Price per share: $1,376.1458
Acquired / disposed: Disposed (D)
Shares owned after: 14,747
Ownership form: Indirect — Fortuna Trust dated June 1, 2018
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 $1,375.7900 - $1,376.7600. 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.