Reiss Joel 4
4 · TransDigm Group INC · Filed Jul 17, 2026
Research Summary
AI-generated summary of this filing
TransDigm (TDG) COO Joel Reiss Sells 414 Shares
What Happened
Joel Reiss, Chief Operating Officer of TransDigm Group (TDG), reported open-market sales totalling 414 shares on July 15, 2026. The four reported sales were: 10 shares at $1,233.38 ($12,334), 190 shares at an average $1,230.06 ($233,711), 70 shares at $1,231.09 ($86,177), and 144 shares at $1,232.34 ($177,457). Aggregate proceeds across these transactions are approximately $509,679. These were outright sales (transaction code S), not purchases or option exercises.
Key Details
- Transaction date: July 15, 2026; Form 4 filed July 17, 2026 (timely filing).
- Reported prices: average-weighted prices per line as shown; detailed price ranges disclosed in footnotes:
- F1 range: $1,229.6600 – $1,230.5400
- F2 range: $1,230.8800 – $1,231.4800
- F3 range: $1,231.9900 – $1,232.8300
The filer offered to provide the exact number of shares sold at each separate price upon request.
- Shares owned after the transaction: not specified in the provided filing.
- Remarks: This is the second of two Form 4s filed by the reporting person for these transactions due to a 30-line item limitation on Table I entries.
Context
- These are open-market sales, which are common and do not by themselves indicate company performance or insider confidence. Purchases tend to be more informative for bullish signals.
- No options were exercised and no gifts or tax-withholdings are indicated in this filing.
- The footnotes clarify that the prices reported are average-weighted and that more granular pricing details can be supplied to the SEC, the issuer or a security holder on request.
Insider Transaction Report
Form 4
Reiss Joel
Co-Chief Operating Officer
Transactions
- Sale
Common Stock
2026-07-15$1233.38/sh−10$12,334→ 3,600 total - Sale
Common Stock
[F1]2026-07-15$1230.06/sh−190$233,711→ 3,824 total - Sale
Common Stock
[F2]2026-07-15$1231.09/sh−70$86,177→ 3,754 total - Sale
Common Stock
[F3]2026-07-15$1232.34/sh−144$177,457→ 3,610 total
Footnotes (3)
- [F1]Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,229.6600 - $1,230.5400. 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.
- [F2]Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,230.8800 - $1,231.4800. 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.
- [F3]Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,231.9900 - $1,232.8300. 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.
Signature
/s/ Rachel L. Quinlan as attorney in fact for Joel Reiss|2026-07-17