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TDG

TransDigm Group

XNYS

6 articles20 insider tx0 holders0 supply chain4 selling intent filings1 new insider

Research articles

Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.

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Recent insider activity

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$200.0M$100.0M$0-$100.0M-$200.0M2024-10 -$11.7M2024-11 -$10.7M2024-12 -$83.2M2025-01 -$36.4M2025-02 -$41.5M2025-03 -$128.5M2025-04 -$37.9M2025-05 -$102.4M2025-06 -$80.5M2025-07 -$8.4M2025-08 -$9.5M2025-09 -$13.5M2025-10 -$8.7M2025-11 -$30.2M2025-12 -$156.3M2026-01 -$75.5M2026-02 -$85.7M2026-03 -$17.1M2026-04 -$17.7M2026-05 -$16.1M2026-06 -$18.3M2026-07 -$16.2M2026-08 -$17.4M2026-09 -$4.0MOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

open-market Form 4 only - grants, exercises, tax withholding excluded

0 buyers - 3 unique sellers · Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

Date Insider Title Type Shares Price Value
September 18, 2026 Barr David — GRANT 46 $1,085 ~$50K
September 18, 2026 Cronin Jane M. — GRANT 34 $1,085 ~$37K
September 18, 2026 Graff Michael — GRANT 34 $1,085 ~$37K
September 18, 2026 Hennessy Sean P — GRANT 46 $1,085 ~$50K
September 18, 2026 Mccullough Gary E — GRANT 41 $1,085 ~$44K
September 18, 2026 Santana Michele — GRANT 34 $1,085 ~$37K
September 18, 2026 Small Robert J — GRANT 52 $1,085 ~$56K
September 18, 2026 Krasik Irina Igorevna — GRANT 13 $1,085 ~$14K
September 18, 2026 Howley W Nicholas — GRANT 126 $1,085 ~$0.1M
September 18, 2026 Palmer Peter — GRANT 34 $1,085 ~$37K
September 15, 2026 Reiss Joel Co-Chief Operating Officer OPTION_EXERCISE -3,900 — —
September 15, 2026 Reiss Joel Co-Chief Operating Officer SELL -20 $1,113 ~$22K
September 15, 2026 Reiss Joel Co-Chief Operating Officer SELL -30 $1,108 ~$33K
September 15, 2026 Reiss Joel Co-Chief Operating Officer SELL -40 $1,107 ~$44K
September 15, 2026 Reiss Joel Co-Chief Operating Officer SELL -5 $1,105 ~$6K
September 15, 2026 Reiss Joel Co-Chief Operating Officer SELL -125 $1,105 ~$0.1M
September 15, 2026 Reiss Joel Co-Chief Operating Officer SELL -210 $1,103 ~$0.2M
September 15, 2026 Reiss Joel Co-Chief Operating Officer SELL -274 $1,102 ~$0.3M
September 15, 2026 Reiss Joel Co-Chief Operating Officer SELL -166 $1,102 ~$0.2M
September 15, 2026 Reiss Joel Co-Chief Operating Officer SELL -60 $1,100 ~$66K

Insider Selling Intent (Form 144)

Date Filer Relationship Est. shares Filing
September 15, 2026 Joel Reiss — 8,000 SEC
August 7, 2026 The Fortuna Trust U/T/A Dtd 06/01/2018 — 37,690 SEC
June 18, 2026 Howley W Nicholas — 30,396 SEC
June 15, 2026 Joel Reiss — 11,700 SEC

New Insiders (Form 3)

Date Insider Title Relationship Shares Filing
August 3, 2026 — — — — SEC
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