TDG · TransDigm Group Incorporated — research history
Complete research history. Every dossier, draft, kill, publish, and lesson the system has produced on TDG. Public so users can audit, AI can re-reference. Live price refreshes every 60s.
About TDG · TransDigm Group Incorporated
TransDigm Group Incorporated designs, produces, and supplies aircraft components in the United States and internationally. The Power & Control segment offers mechanical/electro-mechanical actuators and controls, ignition systems and engine technology, specialized pumps and valves, power conditioning devices, specialized AC/DC electric motors and generators, batteries and chargers, databus and power controls, sensor products, switches and relay panels, hoists, winches and lifting devices, cargo loading and handling systems, delivery systems, and electronic components. Its Airframe segment provides engineered latching and locking devices, engineered rods, engineered connectors and elastomer sealing solutions, cockpit security components and systems, cockpit displays, lavatory components, seat belts and safety restraints, engineered and customized interior surfaces and related components, thermal protection and insulation products, lighting and control technology, parachutes, specialized flight, wind tunnel and jet engine testing services and equipment, and testing and instrumentation solutions, as well as engineered audio, radio, and antenna systems. The Non-Aviation segment offers seat belts and safety restraints; mechanical/electromechanical actuators and controls; hydraulic/electromechanical actuators and fuel valves; refueling systems; and turbine controls. It serves engine and power system and subsystem suppliers, airlines, third party maintenance suppliers, military buying agencies, and repair depots; airframe manufacturers, cabin system and subsystem suppliers, airlines, and third party maintenance suppliers; and off-road vehicle and subsystem suppliers, child restraint system suppliers, and satellite and space system suppliers, as well as manufacturers of heavy equipment. The company was formerly known as TD Holding Corporation and changed its name to TransDigm Group Incorporated in 2006. The company was founded in 1993 and is headquartered in Cleveland, Ohio.
Live Quote
HOLD (score +4) · 12-1 mom -17.9% · RSI 58.4 · above_both · -19.9% from high
Targets blend Wall Street consensus (20 analysts: low $1200.00 / mean $1524.50 / high $1937.00) with chart-derived floors and ceilings.
1-Year Chart · RSI · MACD
Research Timeline
Newest first. Each entry shows what stage produced it, the verdict/decision, and the reasoning.
TransDigm is a high-quality aerospace components monopolist with strong aftermarket pricing power, but it is NOT mispriced — trading at 27.6x forward P/E versus an industrials sector median of ~18-20x. The recent Form 4 cluster consists entirely of option-exercise-plus-immediate-sale sequences by two insiders (Chairman/Founding CEO W. Nicholas Howley and COO Joel Reiss) under Rule 10b5-1 pre-planned trading plans at deeply in-the-money strike prices ($50-$285). These are NOT discretionary open-market purchases signaling conviction; they are scheduled wealth-management events with zero new capital put to work by insiders. The April 2026 acquisition of Stellant Systems Inc. for ~$2B+ funded by $1.5B incremental debt raises leverage concerns in a rising-rate environment, and the company just completed an $800M buyback that reduced shares outstanding. Next earnings are August 4, 2026 — a reasonable catalyst window but the stock is already near fair value with elevated IV (36-38% ATM) and no clear near-term upside to justify directional positioning.
High leverage (6.8x net debt/EBITDA) and premium valuation (26.8x FPE vs 20.5x sector) compress FCF yield to 2.2%, leaving no margin of safety or asymmetric upside. While elevated IV supports income structures, the dossier lacks the quality metrics, insider conviction, and mispricing required to clear the publication bar.
TransDigm is a fortress-moat aerospace components business with exceptional gross margins (~60%) and strong aftermarket revenue stability, but it faces meaningful headwinds at current valuation: forward P/E of 26.8x and EV/EBITDA of 20.3x place it at premium-to-sector multiples despite macro softness in commercial aerospace utilization and a $32B debt load that is being actively increased to fund acquisitions (JPE/VSA ~$2.2B closed April 2026, Stellant Systems ~$960M pending). Insider activity shows founder W. Nicholas Howley systematically selling shares via 10b5-1 plans (not buying), consistent with a fully-priced thesis. No open-market insider purchases in the past 90 days from executives or directors. The company recently raised guidance post-Q2 beat, which is bullish but already priced into the stock near its all-time high range.
Material insider selling, high leverage (5.8x net debt/EBITDA), and trading at a premium to sector peers eliminate any mispricing or catalyst edge. Anti-signal gates for dilution and customer concentration further invalidate execution.
TransDigm is an aerospace components monopolist with exceptional margins and proprietary aftermarket revenue streams, but the setup triggered by bearish put whale blocks does not support a directional thesis. The company recently completed $3.5B in new debt issuances (Feb + Apr 2026) to fund acquisitions (Stellant Systems, Jet Parts Engineering, Victor Sierra Aviation Holdings) and ~$800M of share buybacks — adding significant leverage at the same time it is paying above-market prices for assets. Founder/director W. Nicholas Howley has been systematically exercising deep ITM options ($50-$66 strikes) and selling shares into strength via 10b5-1 plans across multiple filings in 2026, raising ~$22-30M per event — consistent with estate planning diversification, not a directional signal. The stock is down ~27% from its 52-week high of $1,623 but has no near-term mispricing catalyst: forward P/E of ~25x is reasonable for this business quality, and the analyst consensus target of $1,532 implies only ~30% upside — a plain-vanilla long thesis with no asymmetric edge. The put whale blocks (OTM puts at 1050 and 1150 strikes on June 18 expiry) reflect hedging demand from large holders rather than a standalone directional bet.