Summary
Updated Aug 30, 2026
Michael Lisman is President & CEO of TransDigm Group INC (TDG). 4 SEC Form 4 filings on record going back to 2024, most recently on 9 February 2026. Most recent open-market trade: bought $1.22M of TDG on 9 February 2026. Lifetime open-market purchases: $3.84M. Historical track record: 1/5 stars across 7 tracked purchases.
Recent Transactions
7Every recent SEC Form 4 transaction Michael Lisman has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★☆☆☆☆ (1/5) |
| Total purchases tracked | 7 |
| Purchases with forward-return data | 7 |
| 30-day win rate | 0% |
| 90-day win rate | 0% |
| Avg 5-day return | +0.49% |
| Avg 30-day return | -3.19% |
| Avg 90-day return | -3.34% |
| Best 30-day return | -0.59% |
Trading Pattern
InsiderAlpha's records for Michael Lisman go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. The typical open-market purchase is $548K (7 buys totaling $3.84M). The largest single buy on record is $1.22M of TDG in 2026. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Michael Lisman files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Robert J. Small - $133.94M of TDG open-market activity in the last 12 months
- Kevin M. Stein - $133.82M of TDG open-market activity in the last 12 months
- W. Nicholas Howley - $99.30M of TDG open-market activity in the last 12 months
- Joel Reiss - $53.21M of TDG open-market activity in the last 12 months
- Patrick Joseph Murphy - $2.36M of TDG open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Michael Lisman?
Michael Lisman is a corporate insider, tracked as President & CEO of TransDigm Group INC (TDG). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Michael Lisman last file a Form 4?
The most recent primary Form 4 on record is dated 9 February 2026, one of 4 filings going back to 2024.
Has Michael Lisman been buying or selling stock?
Recorded transactions: 7 open-market purchases ($3.84M) and 0 open-market sales across all tracked filings.
How accurate is Michael Lisman's historical track record?
Across 7 tracked purchases, Michael Lisman averaged -3.2% avg 30-day return with a 0% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of Michael Lisman's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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