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TransDigm Group (TDG)CEO bought ~$800K

Michael Lisman, CEO at TransDigm Group, bought ~$800K of TransDigm Group shares.

~$800K
Approx. value · 600 sh @ $1,334.13
600
Holds after · shares reported
Traded
Nov 14, 2025
Filed
Nov 17, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Sep 12, 2025Insider · 1 personInsiders: 14 sales (~$6.4M)
  2. Sep 15, 2025Insider · 1 personInsiders: 11 sales (~$3.5M)
  3. Sep 17, 2025Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
  4. Sep 22, 2025Insider · 1 personInsiders: 8 sales (~$3.8M)
  5. Sep 23, 2025CongressDisclosed sale of TDG — reported range $1,001 - $15,000
  6. Oct 1, 2025Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On October 1, 2025, the Board of Directors of TransDigm Group Incorporated (the “Company” or “TransDigm”) appointed Mike Lisman as the Company’s President and Chief Executive Officer, effective immediately.”
  7. Oct 1, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“As previously announced on May 6, 2025 in a Current Report on Form 8-K filed by TransDigm Group Incorporated (the “Company”), on September 30, 2025, Kevin M. Stein retired as President and Chief Executive Officer of the Company, and Michael J. Lisman succeeded Mr. Stein as the Company’s President and Chief Executive Officer.”
  8. Oct 15, 2025Insider · 1 personInsiders: 11 sales (~$3.6M)
  9. Oct 20, 2025Insider · 1 personInsiders: 9 sales (~$3.8M)
  10. Oct 23, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On October 23, 2025, the Board of Directors (the “Board”) of TransDigm Group Incorporated (the “Company” or “TransDigm”) appointed Michael Lisman and Peter Palmer to the Company’s Board, effective immediately.”
  11. Oct 27, 2025Insider · 2 peopleInsiders: 2 sales (~$1.7M)
  12. Nov 3, 2025InsiderOfficer sold ~$380K of TDG shares in the open market
  13. Nov 12, 2025Company filing · Form 8-K · ResultsReported its results
  14. Nov 14, 2025 · this disclosureInsider · First insider buy since Jan 2024CEO purchased ~$800K of TDG shares in the open market

What came next

  1. Nov 14, 2025Insider · 1 personInsiders: 5 purchases (~$1.8M)
  2. Nov 17, 2025Insider · 2 peopleInsiders: 17 sales (~$3.7M)
  3. Feb 3, 2026Company filing · Form 8-K · ResultsReported its results
  4. Feb 13, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for TransDigm Group

For TransDigm Group, OQRO holds 106 insider filings (SEC Form 4 or Form 144), 3 Congress trade reports, 28 fund holdings reports (13F) and 2 federal contract awards dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its TDG page.

Other recent filings by Michael Lisman, President & CEO

The full history of Michael Lisman, President & CEO is on the profile page.

How this filing works

Other disclosures at TransDigm Group

Everything OQRO holds on this company is on its TDG page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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