Transdigm Group (TDG) insider buying
8 open-market purchases of TDG by Transdigm Group's executives and directors since January 2026, worth $1M in total, from SEC Form 4 filings.
The most recent: Gilbert Ray Cisneros, Jr. bought — on March 16, 2026.
The biggest buyer over the period is Michael Lisman: 1 purchase, $1M.
By year
| Year | Purchases | Value |
|---|---|---|
| 2026 | 8 | $1M |
Biggest buyers
| Insider | Buys | Value |
|---|---|---|
| Michael Lisman | 1 | $1M |
| Robert J Small | 1 | $1,285 |
| Gilbert Ray Cisneros, Jr. | 6 | $0 |
Every purchase
Newest first. From SEC Form 4 filings. Insider buying across the market.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Mar 16, 2026 | Gilbert Ray Cisneros, Jr. |
0 | $1,247.63 | — | — |
| Mar 16, 2026 | Gilbert Ray Cisneros, Jr. |
0 | $1,247.63 | — | — |
| Mar 16, 2026 | Gilbert Ray Cisneros, Jr. |
0 | $1,247.63 | — | — |
| Feb 25, 2026 | Robert J Small |
1 | $1,285.00 | $1,285 | Form 4 |
| Feb 6, 2026 | Michael Lisman |
950 | $1,284.26 | $1M | Form 4 |
| Jan 30, 2026 | Gilbert Ray Cisneros, Jr. |
0 | $1,429.40 | — | — |
| Jan 30, 2026 | Gilbert Ray Cisneros, Jr. |
0 | $1,429.40 | — | — |
| Jan 30, 2026 | Gilbert Ray Cisneros, Jr. |
0 | $1,429.40 | — | — |
Questions
Are Transdigm Group insiders buying the stock?
8 open-market purchases of TDG by Transdigm Group's executives and directors since January 2026, worth $1M in total, from SEC Form 4 filings. The most recent: Gilbert Ray Cisneros, Jr. bought — on March 16, 2026.
What counts as insider buying here?
Open-market purchases (Form 4 code P) by officers and directors. Option exercises, grants and purchases by 10% owners are left out.
From Transdigm Group's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.