Form 4 Tracker
TransDigm Group INC
TDG

21 insider filings · Latest: Apr 20, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Apr 20, 2026Apr 21 8:36 PMNicholas W HowleyDirector
Sale
10,132$1,265.06$12.8M21,547.513(I)

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Apr 15, 2026Apr 16 8:57 PMJoel ReissCo-Chief Operating Officer
Sale
3,900$1,280.46$5.0M3,600(D)

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Mar 18, 2026Mar 19 8:33 PMNicholas W HowleyDirector
Sale
10,132$1,213.05$12.3M21,547.513(I)

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Mar 16, 2026Mar 17 8:05 PMJoel ReissCo-Chief Operating Officer
Sale
3,900$1,243.70$4.9M3,600(D)

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Feb 25, 2026Feb 27 9:22 PMRobert J SmallDirector
Purchase
1$1,285.00$1.3K366,142(I)

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Feb 18, 2026Feb 20 9:15 PMNicholas W HowleyDirector
Sale
10,168$1,307.68$13.3M21,547.513(I)

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Feb 18, 2026Feb 18 9:08 PMHowley W Nicholas
Proposed Sale
40,564$1,307.68$53.0M

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Feb 17, 2026Feb 18 9:00 PMJoel ReissCo-Chief Operating Officer
Sale
3,900$1,293.88$5.0M3,600(D)

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Feb 17, 2026Feb 17 9:48 PMJOEL REISS
Proposed Sale
15,600$1,286.67$20.1M

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Feb 6, 2026Feb 9 9:30 PMMichael LismanDirector, President & CEO
Purchase
950$1,284.26$1.2M3,259(D)

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Feb 2, 2026Feb 3 9:39 PMKevin M SteinDirector
Sale
11,075$1,434.49$15.9M8,158(I)

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Feb 2, 2026Feb 3 9:37 PMKevin M SteinDirector
Sale
36,925$1,425.79$52.6M19,233(I)

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Feb 2, 2026Feb 3 9:35 PMPatrick Joseph MurphyCo-Chief Operating Officer
Sale
290$1,430.10$414.7K1,055(D)

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Feb 2, 2026Feb 2 9:36 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
48,000$1,427.54$68.5M

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Feb 2, 2026Feb 2 9:33 PMPATRICK J. MURPHY
Proposed Sale
1,160$1,427.54$1.7M

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Jan 14, 2026Jan 14 9:28 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
7,627$1,381.98$10.5M

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Jan 8, 2026Jan 8 9:25 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
17,373$1,385.25$24.1M

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Jan 5, 2026Jan 5 9:39 PMTHE FORTUNA TRUST U/T/A DTD 06/01/2018
Proposed Sale
25,000$1,358.55$34.0M

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Jan 2, 2026Jan 2 9:31 PMPATRICK J. MURPHY
Proposed Sale
290$1,329.85$385.7K

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Dec 10, 2025Dec 10 9:08 PMROBERT SMALL
Proposed Sale
4,700$1,290.19$6.1M

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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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