LYTIR

Insider · SEC Form 4 · Co-Chief Operating Officer

Joel Reiss

Filed with the SEC as Reiss Joel; the order above is the one the filer's own signature uses.

In the 12 months to Nov 8, 2026, on the open market: sold $19.3M of TDG. Filed a median of 1 business day after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $19.3M in total.Jun: Insider sales $5.0MJul: Insider sales $620KAug: Insider sales $4.8MSep: Insider sales $4.3MOct: Insider sales $4.6MDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $19.3M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
  1. TDGSold: TransDigm Group INC Oct 15, 2026 4,100 shares filed Oct 16, 2026 21 transactions 10b5-1 plan filing $4.6M
  2. TDGSold: TransDigm Group INC Sep 15, 2026 3,900 shares filed Sep 16, 2026 27 transactions 10b5-1 plan filing $4.3M
  3. TDGSold: TransDigm Group INC Aug 17, 2026 3,900 shares filed Aug 18, 2026 19 transactions 10b5-1 plan filing $4.8M
  4. TDGSold: TransDigm Group INC Jul 15, 2026 504 shares filed Jul 17, 2026 5 transactions 10b5-1 plan filing $620K
  5. TDGSold: TransDigm Group INC Jun 15, 2026 3,900 shares filed Jun 16, 2026 18 transactions filing $5.0M

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.

Other Form 4 entries

Not counted above: entries this filer reported on Form 4 in the same 12 months that are not open-market purchases or sales. Each entry is one line of a filing.

  • TDG: option exercise or conversion (code M), 4 entries, Jun 15 to Oct 15, 2026
Code M
An exercise or conversion of a derivative security received from the company, such as stock options.

Source: the same SEC Form 4 filings. The codes are the SEC's own transaction codes; the meanings above are a plain-words reading of the SEC's Form 4 instructions.