Reporting owner · CIK 0001656109

Reiss Joel

SEC Form 4 history across 1 companies, 73 transactions and 3 filings.

COOCo-Chief Operating OfficerTransDigm Group INC
Open-market transaction mix0% buys0 buys · 67 sales
Latest filingOct 16, 2026, 08:19 PM

Available history · Aug 17, 2026 – Oct 15, 2026

Filings3Form 4 records
Buying$00 purchases
Selling$13.7M67 sales
Net value−$13.7MBuys minus sells · disclosed values

Latest insider transactions

Form 4 filings from available history.
Reiss Joel transactions · 20 per page
CompanyInsiderActivityDisclosed valueFiled (ET)
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$111kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$22.2kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOM · exerciseSEC filing ↗$1.16MView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOM · exerciseDerivative securitySEC filing ↗$0View disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$22.3kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$22.2kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$33.3kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$33.2kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$44.2kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$5.52kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$138kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$231kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$302kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$182kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$66.0kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$98.9kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$164kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$322kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$214kView disclosure →
TDGTransDigm Group INC
Reiss JoelCOOS · saleSEC filing ↗-$246kView disclosure →
Open a transaction for shares, transaction date, ownership and the original SEC filing.

Latest Form 4 facts

Quick context from source filings

Latest open-market transaction

sale at TransDigm Group INC on Oct 15, 2026 valued at $497,548.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at TransDigm Group INC on Oct 15, 2026 valued at $497,548.

Review SEC filing

Monthly open-market activity

Last 3 reported months · purchases and sales

View exact monthly values
MonthPurchasesSalesBuy valueSale valueNet value
Aug 2026019$0.00$4,831,152.41-$4,831,152.41
Sep 2026027$0.00$4,268,871.54-$4,268,871.54
Oct 2026021$0.00$4,624,943.93-$4,624,943.93

Net value is disclosed purchases minus sales, not profit. A dash means the value is unavailable.

Ownership and transaction size

Ownership and ticket size

Average P/S size$204.9K
Median P/S size$147.1K
Direct73
Indirect0
Oct 15, 2026exercise

Filing-only signals

Deterministic matches in this insider's history

Derivative Transactionfiling-context2Direct Ownershipfiling-context44Large Holdings Increaseholdings2Large Holdings Reductionholdings1Large Salesize4Repeat Sellerpattern38

Associated companies

Companies in the disclosed reporting history

TransDigm Group INCTDG · 165 transactions · latest Oct 16, 2026, 08:19 PM

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
No open-market purchases in available history

A 90-day purchase return requires an open-market buy. No eligible purchases are recorded in this history.

Disclosed ownership

How reported shareholdings evolved

Non-derivative shares held after reported transactions—not stock prices or a complete portfolio.

70 observations · Aug 17, 2026 – Oct 15, 2026. Window ends at the latest available report, not today.

Selected observation · Oct 15, 20263,600 shares reported
Inspect transaction
View exact observations and source transactions
Transaction dateShares held afterFiledSource
Aug 17, 20267,500Aug 18, 2026View transaction
Aug 17, 20267,360Aug 18, 2026View transaction
Aug 17, 20267,100Aug 18, 2026View transaction
Aug 17, 20266,773Aug 18, 2026View transaction
Aug 17, 20266,400Aug 18, 2026View transaction
Aug 17, 20265,729Aug 18, 2026View transaction
Aug 17, 20265,230Aug 18, 2026View transaction
Aug 17, 20264,890Aug 18, 2026View transaction
Aug 17, 20264,490Aug 18, 2026View transaction
Aug 17, 20264,370Aug 18, 2026View transaction
Aug 17, 20264,258Aug 18, 2026View transaction
Aug 17, 20264,120Aug 18, 2026View transaction
Aug 17, 20264,020Aug 18, 2026View transaction
Aug 17, 20263,875Aug 18, 2026View transaction
Aug 17, 20263,838Aug 18, 2026View transaction
Aug 17, 20263,790Aug 18, 2026View transaction
Aug 17, 20263,730Aug 18, 2026View transaction
Aug 17, 20263,710Aug 18, 2026View transaction
Aug 17, 20263,630Aug 18, 2026View transaction
Aug 17, 20263,600Aug 18, 2026View transaction
Sep 15, 20267,500Sep 16, 2026View transaction
Sep 15, 20267,190Sep 16, 2026View transaction
Sep 15, 20267,020Sep 16, 2026View transaction
Sep 15, 20266,780Sep 16, 2026View transaction
Sep 15, 20266,670Sep 16, 2026View transaction
Sep 15, 20266,550Sep 16, 2026View transaction
Sep 15, 20266,540Sep 16, 2026View transaction
Sep 15, 20266,470Sep 16, 2026View transaction
Sep 15, 20266,370Sep 16, 2026View transaction
Sep 15, 20266,200Sep 16, 2026View transaction
Sep 15, 20265,918Sep 16, 2026View transaction
Sep 15, 20265,535Sep 16, 2026View transaction
Sep 15, 20265,310Sep 16, 2026View transaction
Sep 15, 20265,114Sep 16, 2026View transaction
Sep 15, 20264,820Sep 16, 2026View transaction
Sep 15, 20264,670Sep 16, 2026View transaction
Sep 15, 20264,580Sep 16, 2026View transaction
Sep 15, 20264,520Sep 16, 2026View transaction
Sep 15, 20264,354Sep 16, 2026View transaction
Sep 15, 20264,080Sep 16, 2026View transaction
Sep 15, 20263,870Sep 16, 2026View transaction
Sep 15, 20263,745Sep 16, 2026View transaction
Sep 15, 20263,740Sep 16, 2026View transaction
Sep 15, 20263,700Sep 16, 2026View transaction
Sep 15, 20263,670Sep 16, 2026View transaction
Sep 15, 20263,640Sep 16, 2026View transaction
Sep 15, 20263,620Sep 16, 2026View transaction
Sep 15, 20263,600Sep 16, 2026View transaction
Oct 15, 20267,700Oct 16, 2026View transaction
Oct 15, 20267,680Oct 16, 2026View transaction
Oct 15, 20267,580Oct 16, 2026View transaction
Oct 15, 20267,480Oct 16, 2026View transaction
Oct 15, 20267,430Oct 16, 2026View transaction
Oct 15, 20267,370Oct 16, 2026View transaction
Oct 15, 20267,270Oct 16, 2026View transaction
Oct 15, 20267,240Oct 16, 2026View transaction
Oct 15, 20267,180Oct 16, 2026View transaction
Oct 15, 20267,049Oct 16, 2026View transaction
Oct 15, 20266,743Oct 16, 2026View transaction
Oct 15, 20266,143Oct 16, 2026View transaction
Oct 15, 20265,865Oct 16, 2026View transaction
Oct 15, 20265,560Oct 16, 2026View transaction
Oct 15, 20265,440Oct 16, 2026View transaction
Oct 15, 20265,290Oct 16, 2026View transaction
Oct 15, 20265,190Oct 16, 2026View transaction
Oct 15, 20265,060Oct 16, 2026View transaction
Oct 15, 20264,850Oct 16, 2026View transaction
Oct 15, 20264,533Oct 16, 2026View transaction
Oct 15, 20264,038Oct 16, 2026View transaction
Oct 15, 20263,600Oct 16, 2026View transaction

Securities and direct/indirect ownership contexts are kept separate and never summed. Joint filings may associate the same disclosed row with multiple owners. Unknown values are omitted, not treated as zero. Lines connect observations for readability; they do not establish holdings between filings, cost basis, or current ownership. Amendments and stock splits require reviewing the source.

Reiss Joel Insider Activity FAQ

SEC Form 4 context

Who is Reiss Joel?

Reiss Joel is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001656109.

Which companies has Reiss Joel reported transactions for?

TransDigm Group INC

When was Reiss Joel's latest insider buy?

No open-market insider purchase is available for this period.

When was Reiss Joel's latest insider sale?

sale at TransDigm Group INC on Oct 15, 2026 valued at $497,548.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

The profile shows average and median 90-day stock returns after open-market purchases when price coverage is available. These are unadjusted stock returns, not realized trading gains. Win rates, benchmark-adjusted returns and conviction scores are not calculated.