Derivative exercise or conversion — not an open-market buy.
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 OwnershipAll the details
Dates, kept separate
Transaction date
Jul 15, 2026
Reporting period
Not applicable
Filed with the SEC
Jul 21, 2026
OfficerOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
None found in footnotes
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001656109-26-000006
Filed / recorded
Jul 21, 2026, 8:48 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
Stock Option
Table
Derivative (Table II)
Transaction date
Jul 15, 2026
Transaction code
M
Shares / units
3,900
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
11,900
Ownership form
Direct
Amendment
Yes (Form 4/A)
Footnotes from the filing
This Form 4/A amends the Form 4 originally filed on 07.16.2026 to correct the reporting of the transaction in Table II, which was inadvertently reported as an acquisition ('A') rather than a disposition ('D'). No other changes have been made to the original filing.
