Michael Lisman
Known title: Chief Financial OfficerCIK: 0001748275
Michael Lisman's purchase track record
How the stock did after each of Michael Lisman's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
3
of 3 since September 7, 2021
Stock higher 6 months later
33%
3 months: 33%
Median 6-month return
-4.7%
3 months: -4.0%
Beat the S&P 500
33%
median -16.6% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 2/6/2026 | TDG | $1.22M | -5.5% | -4.7% | +11.9% |
| 11/14/2025 | TDG | $2.62M | -4.0% | -14.3% | +10.0% |
| 9/7/2021 | TDG | $503K | +2.1% | +1.0% | -7.7% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| TDG | ▲ Buy | Open Market | 950 | $1.2M | 2/6/2026 | View on chart |
| TDG | ▲ Buy | Open Market | 521 | $699K | 11/14/2025 | View on chart |
| TDG | ▲ Buy | Open Market | 104 | $140K | 11/14/2025 | View on chart |
| TDG | ▲ Buy | Open Market | 290 | $388K | 11/14/2025 | View on chart |
| TDG | ▲ Buy | Open Market | 384 | $516K | 11/14/2025 | View on chart |
| TDG | ▲ Buy | Open Market | 600 | $800K | 11/14/2025 | View on chart |
| TDG | ▲ Buy | Open Market | 55 | $74K | 11/14/2025 | View on chart |
| TDG | ▲ Buy | Option Exercise | 8,000 | $2.8M | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 372 | $442K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 308 | $367K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 1,074 | $1.3M | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 901 | $1.1M | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 133 | $160K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 162 | $192K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 480 | $572K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 1,132 | $1.4M | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 3 | $4K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 161 | $192K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 795 | $951K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 508 | $608K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 826 | $990K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 380 | $456K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 636 | $763K | 2/26/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 129 | $155K | 2/26/2024 | View on chart |
| TDG | ▲ Buy | Option Exercise | 8,000 | $2.8M | 2/23/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 1,011 | $1.2M | 2/23/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 1,412 | $1.7M | 2/23/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 1,024 | $1.2M | 2/23/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 1,426 | $1.7M | 2/23/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 1,987 | $2.4M | 2/23/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 211 | $254K | 2/23/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 929 | $1.1M | 2/23/2024 | View on chart |
| TDG | ▼ Sell | Open Market | 426 | $423K | 12/12/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 277 | $275K | 12/12/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 1,280 | $1.3M | 12/12/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 2,499 | $2.5M | 12/12/2023 | View on chart |
| TDG | ▲ Buy | Option Exercise | 12,000 | $4.2M | 12/12/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 1,470 | $1.5M | 12/12/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 2,787 | $2.8M | 12/12/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 3,111 | $3.1M | 12/12/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 49 | $49K | 12/12/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 101 | $100K | 12/12/2023 | View on chart |
| TDG | ▲ Buy | Option Exercise | 8,100 | $2.5M | 2/16/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 2,359 | $1.8M | 2/16/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 403 | $303K | 2/16/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 3,875 | $2.9M | 2/16/2023 | View on chart |
| TDG | ▲ Buy | Option Exercise | 3,200 | $697K | 2/16/2023 | View on chart |
| TDG | ▲ Buy | Option Exercise | 1,100 | $313K | 2/16/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 4,295 | $3.2M | 2/16/2023 | View on chart |
| TDG | ▼ Sell | Open Market | 1,468 | $1.1M | 2/16/2023 | View on chart |
| TDG | ▲ Buy | Open Market | 600 | $354K | 9/7/2021 | View on chart |
| TDG | ▲ Buy | Open Market | 250 | $148K | 9/7/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 17, 2026
TDG Analyst Notes Highlight Valuation Concerns
Recent analyst commentary suggests TransDigm may be undervalued, with one source estimating a 23% discount to its current price. RBC Capital kept its sector rating but lowered its price target to $1,200, reflecting a more cautious outlook. A Seeking Alpha piece noted that the stock’s price dynamics are drawing more attention than broader AI themes. These observations come as the shares trade near the $1,219 support level.
TDG Analyst Notes Highlight Valuation Concerns. Recent analyst commentary suggests TransDigm may be undervalued, with one source estimating a 23% discount to its current price. RBC Capital kept its sector rating but lowered its price target to $1,200, reflecting a more cautious outlook. A Seeking Alpha piece noted that the stock’s price dynamics are drawing more attention than broader AI themes. These observations come as the shares trade near the $1,219 support level.