Form 4 Tracker
TransDigm Group INC
TDG

21 insider filings · Latest: Apr 20, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Dec 9, 2025Dec 9 2:35 PMStockbridge Partners LLC
Proposed Sale
100,000$1,347.17$134.7M

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Dec 4, 2025Dec 4 9:41 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
17,526$1,337.33$23.4M

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Dec 1, 2025Dec 1 9:32 PMPATRICK J. MURPHY
Proposed Sale
290$1,360.17$394.4K

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Nov 28, 2025Nov 28 6:20 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
4,592$1,355.01$6.2M

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Nov 26, 2025Nov 26 9:19 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
30$1,352.54$40.6K

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Nov 25, 2025Nov 25 9:31 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
4,187$1,335.76$5.6M

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Nov 21, 2025Nov 21 9:46 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
230$1,327.87$305.4K

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Nov 20, 2025Nov 20 9:24 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
1,104$1,341.19$1.5M

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Nov 18, 2025Nov 18 9:20 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
7,191$1,335.77$9.6M

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Nov 17, 2025Nov 17 9:33 PMJOEL REISS
Proposed Sale
11,700$1,340.60$15.7M

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Nov 17, 2025Nov 17 9:09 PMHowley W Nicholas
Proposed Sale
2,736$1,334.92$3.7M

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Nov 3, 2025Nov 3 9:22 PMPATRICK J. MURPHY
Proposed Sale
290$1,308.51$379.5K

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Oct 27, 2025Oct 27 8:45 PMPATRICK JOSEPH MURPHY
Proposed Sale
580$1,359.30$788.4K

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Oct 27, 2025Oct 27 8:25 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
700$1,359.30$951.5K

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Aug 20, 2025Sep 22 8:08 PMReiss Joel
Proposed Sale
9,000$1,276.07$11.5M

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Sep 12, 2025Sep 12 1:57 PMStockbridge Partners LLC
Proposed Sale
20,000$1,287.32$25.7M

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Aug 26, 2025Aug 26 8:17 PMMICHAEL GRAFF
Proposed Sale
1,760$1,402.10$2.5M

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Aug 15, 2025Aug 15 8:13 PMHowley W Nicholas
Proposed Sale
8,208$1,397.22$11.5M

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Jun 12, 2025Jun 12 8:20 PMSARAH WYNNE
Proposed Sale
5,000$1,429.62$7.1M

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Jun 10, 2025Jun 10 7:38 PMStockbridge Partners LLC
Proposed Sale
195,000$1,465.85$285.8M

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 20, 2026Apr 21 8:36 PMNicholas W HowleyDirector
Option Exercise
10,13242,228(I)

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Apr 15, 2026Apr 16 8:57 PMJoel ReissCo-Chief Operating Officer
Option Exercise
3,900$284.9723,600(D)

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Mar 18, 2026Mar 19 8:33 PMNicholas W HowleyDirector
Option Exercise
10,1327,908(I)

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Mar 16, 2026Mar 17 8:05 PMJoel ReissCo-Chief Operating Officer
Option Exercise
3,900$284.9727,500(D)

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Feb 24, 2026Feb 25 9:18 PMPatrick Joseph MurphyCo-Chief Operating Officer
Option Exercise
1,460$347.171,450(D)

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Feb 18, 2026Feb 20 9:15 PMNicholas W HowleyDirector
Option Exercise
10,168$50.9218,040(I)

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Feb 17, 2026Feb 18 9:00 PMJoel ReissCo-Chief Operating Officer
Option Exercise
3,900$284.9731,400(D)

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Feb 5, 2026Feb 6 9:50 PMSarah WynneChief Financial Officer
Option Exercise
1,494$559.783,506(D)

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Feb 2, 2026Feb 3 9:37 PMKevin M SteinDirector
Option Exercise
48,00017,940(I)

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Feb 2, 2026Feb 3 9:35 PMPatrick Joseph MurphyCo-Chief Operating Officer
Option Exercise
290$269.421,160(D)

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