Form4insider filings, from the source

Insider · CIK 0001656109

Joel Reiss

Files at: TDG. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $4.3M · 1net −$4.3M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 SForm 4 →Sep 16, 5:09 pm EDTTransDigm Group INCTDG3,900$1,094.58$4,268,8723,600−52.0%10b5-1
Sep 15, 2026 MForm 4 →Sep 16, 5:09 pm EDTTransDigm Group INCTDG3,900$284.97$1,111,3837,500—10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 MForm 4 →Sep 16, 5:09 pm EDTTransDigm Group INCTDG3,900——4,100—10b5-1