TransDigm Group INC (TDG) is a publicly traded company in the Unknown sector. Across all available filings, 16 corporate insiders have executed 1225 transactions totaling $1.7B, demonstrating a bearish sentiment with -$1.7B in net insider flow. The most recent transaction on Dec 15, 2025 involved a sale of 336 shares valued at $432.7K.
No significant insider buying has been recorded for TDG in the recent period.
No significant insider selling has been recorded for TDG in the recent period.
Based on recent SEC filings, insider sentiment for TDG is bearish with an Insider Alignment Score of 0/100 and a net flow of -$1.7B. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at TransDigm Group INC (TDG) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 16 insiders are actively trading TDG stock, having executed 1225 transactions in the past 90 days. The most active insider is Robert J. Small (Executive), who has made 174 transactions totaling $987.0M.
Get notified when executives and directors at TDG file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 336 | $1287.69 | $432.7K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 262 | $1286.70 | $337.1K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 60 | $1304.90 | $78.3K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 45 | $1303.15 | $58.6K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 14 | $1301.78 | $18.2K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 25 | $1300.44 | $32.5K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 12 | $1299.04 | $15.6K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 44 | $1298.11 | $57.1K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 220 | $1285.64 | $282.8K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 220 | $1284.78 | $282.7K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 280 | $1283.70 | $359.4K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 80 | $1282.73 | $102.6K | |
| Dec 15, 2025 | Reiss Joel | Executive | Option Exercise | 3,900 | $284.97 | $1.1M | Large |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 30 | $1311.25 | $39.3K | |
| Dec 15, 2025 | Reiss Joel | Executive | Sale | 20 | $1309.34 | $26.2K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 1028 | $1.7B | 89.3% |
Exercise(M) | 116 | $150.9M | 7.7% |
Disposition(D) | 7 | $38.0M | 1.9% |
Award(A) | 34 | $9.7M | 0.5% |
Other(J) | 16 | $8.1M | 0.4% |
Purchase(P) | 11 | $2.6M | 0.1% |
Small Acquisition(L) | 4 | $9.5K | 0.0% |
Gift(G) | 9 | $0 | 0.0% |
Insider selling pressure at TransDigm Group INC has increased, with 16 insiders executing 1225 transactions across all time. Total sales of $1.7B significantly outpace purchases of $2.6M, resulting in a net outflow of $1.7B. This selling activity appears largely discretionary, which may warrant closer attention from investors.