Insider trade

Officer sold ~$423K of TDG shares in the open market

Traded Feb 17, 2026 · Filed Feb 18, 2026

~$423K
Approx. value · 326 sh @ $1,297.49: 4,691
Holds after · shares reported: −15.3%
stock since the trade · S&P 500 +14.1%, $1,302.11 → $1,103.33 on Oct 6

Why it stands out

TransDigm's Co-Chief Operating Officer sold $423K 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: Feb 17, 2026
Reporting period: Not applicable
Filed with the SEC: Feb 18, 2026

Officer$100K–$500K

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$422,982

Shares × reported transaction price

Timing vs results

14 days after results of Feb 3, 2026, 56 days before results of Apr 14, 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 $1,302.11 on Feb 17, 2026, 6% above its 52-week low and 20% below its high, after a 4% drop over the previous 30 trading days

52-week range $1,231.75 (Apr 8, 2025) to $1,620.83 (Jul 30, 2025), 18% of the way up, from 251 adjusted closes. 30 trading days earlier: $1,358.55 on Jan 2, 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	−1.2%	+0.7%	−1.9%
30 days	−13.3%	−4.3%	−9.1%
90 days	−9.9%	+8.3%	−18.2%
180 days	−7.2%	+12.1%	−19.4%

Past results only. Not a forecast.

Source receipt

Record ID: 0001193125-26-056993
Filed / recorded: Feb 18, 2026, 9:00 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: Feb 17, 2026
Transaction code: S
Shares / units: 326
Price per share: $1,297.49
Acquired / disposed: Disposed (D)
Shares owned after: 4,691
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 $1,297.1700 - $1,298.0500. 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.