APH Stock: Insider Activity, Filings & Research
Amphenol Corporation (APH) — Drillr’s hub for APH insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, APH insiders filed 0 open-market buys and 3 sales (SEC Form 4). 2 published research articles, SEC filings and AI analysis on Drillr.
APH insider trading activity (SEC Form 4)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 27, 2026 | Doherty William Jofficer: President, CS Division | Grant | 108,809 | $132.06 |
| May 27, 2026 | Livingston Robertdirector | Grant | 1,552 | — |
| May 27, 2026 | WALTER LUCofficer: President, HES Division | Grant | 108,809 | $132.06 |
| May 27, 2026 | Lane Rita S.director | Grant | 1,552 | — |
| May 27, 2026 | Altobello Nancy A.director | Grant | 1,552 | — |
| May 27, 2026 | Lamba Sanjivdirector | Grant | 1,552 | — |
| May 27, 2026 | Straub Peterofficer: President, ISS Division | Grant | 108,809 | $132.06 |
| May 27, 2026 | D'AMICO LANCE Eofficer: EVP, Secretary & GenCounsel | Grant | 83,020 | $132.06 |
| May 27, 2026 | Singh Prahlad R.director | Grant | 1,552 | — |
| May 27, 2026 | Silverman David Mofficer: EVP, Human Resources | Grant | 70,690 | $132.06 |
| May 27, 2026 | Ivas Michael R.officer: SVP & Corporate Controller | Grant | 51,134 | $132.06 |
| May 27, 2026 | Wolff Anne Clarkedirector | Grant | 1,552 | — |
| May 27, 2026 | Lampo Craig Aofficer: Executive VP & CFO | Grant | 133,161 | $132.06 |
| May 27, 2026 | NORWITT RICHARD ADAMdirector, officer: President & CEO | Grant | 464,989 | $132.06 |
| May 27, 2026 | Falck David Pdirector | Grant | 1,552 | — |
Source: APH SEC Form 4 filings, latest May 27, 2026. For informational purposes only — not investment advice.
APH research & analysis
AI Capex Super-Cycle: Ranking the Top 10 Infrastructure Beneficiaries by Order Book Strength
The AI infrastructure capex super-cycle is channeling $200B+ in hyperscaler spending into data centers, power, networking, and cooling. Arista Networks and Vertiv lead the ranking with the strongest order book visibility, while Amphenol offers the best growth-to-valuation ratio and Dell provides deep value at 12.8x forward earnings.
ANETVRTDELLCan power infrastructure companies like GEV and ETN sustain premium multiples as AI capex normalizes?
Power infrastructure stocks GEV, ETN, APH, VRT, and PWR have delivered extraordinary returns on AI data center demand, but trade at 27–59x forward earnings. Eaton and Amphenol offer the best risk-reward with proven margins and order momentum, while GE Vernova and Vertiv carry the highest valuation risk if hyperscaler capex normalizes.
GEVETNVRT
Amphenol Corporation company profile
Overview
Amphenol Corporation (NYSE:APH) is a leading global manufacturer of electrical, electronic, and fiber optic connectors founded in 1932 and headquartered in Wallingford, Connecticut. The company went public in 1991 and has grown through a combination of organic expansion and strategic acquisitions to become one of the world's largest interconnect companies. Amphenol serves diverse end markets including automotive, defense, commercial aerospace, industrial automation, telecommunications, and data centers, with a particular focus on high-performance applications requiring reliable connectivity solutions.
Business
Amphenol operates in the interconnect industry, designing and manufacturing the critical components that enable electrical and data connections between electronic systems. Connectors are essential components that join electrical circuits together, allowing power and data to flow between different parts of electronic devices and systems. Think of them as sophisticated electrical plugs and sockets that must maintain reliable connections under extreme conditions like high temperatures, vibration, or corrosive environments. The company operates through three main business segments: 1. Harsh Environment Solutions (approximately 26% of revenue): This segment produces rugged connectors and cable assemblies designed to operate in extreme conditions. Products include military-grade connectors for defense applications, aerospace connectors that must function at high altitudes and temperature extremes, and industrial connectors for oil and gas exploration. These products command premium pricing due to their specialized engineering and stringent quality requirements. 2. Communications Solutions (approximately 50% of revenue): This is Amphenol's largest segment, serving the rapidly growing data center and telecommunications markets. Products include high-speed connectors for servers and networking equipment, fiber optic connectors for internet infrastructure, and radio frequency connectors for wireless communications. The recent surge in artificial intelligence computing has driven exceptional demand for high-performance data center interconnects. 3. Interconnect and Sensor Systems (approximately 24% of revenue): This segment focuses on automotive, industrial automation, and consumer electronics applications. Products include automotive wiring harnesses for electric vehicles, sensors for industrial machinery, and connectors for mobile devices. The automotive portion has grown significantly due to vehicle electrification trends requiring more sophisticated electrical systems. The company also manufactures complementary products such as cable assemblies, printed circuit boards, antennas, and various sensors that work alongside their core connector offerings.
Revenue model
Amphenol generates revenue primarily through product sales to original equipment manufacturers (OEMs), electronic manufacturing services companies, and distributors. The company operates on a business-to-business model, selling directly to manufacturers who integrate Amphenol's connectors into their final products. The business model benefits from several revenue characteristics. Many connector applications are design-wins, meaning once Amphenol's products are engineered into a customer's design, they tend to generate recurring revenue throughout the product's lifecycle. Additionally, connectors often represent a small percentage of the total system cost but are critical for functionality, giving Amphenol some pricing power. Revenue growth drivers include the increasing electronic content in vehicles, the expansion of data centers driven by cloud computing and AI, growing defense spending globally, and the ongoing digitization of industrial processes. The company has also pursued an active acquisition strategy, completing over 10 acquisitions in recent years to expand its technological capabilities and market reach. Factors that could positively impact margins include the shift toward higher-performance, more complex connector applications that command premium pricing, operational leverage from volume growth, and successful integration of acquisitions. Margin pressures could come from commodity price inflation for raw materials like copper and precious metals, competitive pricing pressure in mature markets, customer consolidation reducing negotiating power, and potential tariffs affecting international manufacturing operations. The company's diversified end-market exposure and global manufacturing footprint help mitigate some of these risks.
Competitive moat
Amphenol possesses a moderate to strong competitive moat built on several key factors. The company benefits from high switching costs, as connectors are typically engineered into customer designs during the development phase, creating sticky relationships that can last for years. Once a connector is qualified and integrated into a system, customers are reluctant to change suppliers due to the time, cost, and risk associated with re-engineering and re-qualifying alternative solutions. The company's technological expertise in high-performance applications creates another barrier to entry. Developing connectors that can handle extreme temperatures, high-speed data transmission, or harsh environmental conditions requires significant engineering capabilities and testing infrastructure that takes years to develop. Amphenol's 90+ year history has allowed it to accumulate deep domain knowledge across multiple industries. Scale advantages also contribute to the moat. Amphenol's global manufacturing footprint and purchasing power provide cost advantages, while its broad product portfolio allows it to serve as a one-stop shop for customers needing multiple interconnect solutions. The company's entrepreneurial management structure, with decentralized decision-making, helps it respond quickly to customer needs and market changes. However, the moat faces some challenges. The connector industry includes other large, well-capitalized competitors like TE Connectivity and Molex. In commodity connector applications, pricing pressure can be intense. Additionally, some customers, particularly in automotive and industrial markets, actively work to dual-source suppliers to avoid dependence on a single vendor. Technological disruption, such as wireless connectivity replacing some wired connections, could also threaten certain product lines over time.
Risks & safety
Amphenol demonstrates a strong margin of safety with solid financial fundamentals and reasonable valuation metrics. • Financial Strength: The company maintains healthy liquidity with $1.66 billion in cash and short-term investments as of Q1 2025, current ratio of 1.99, and strong free cash flow generation of $576 million in the most recent quarter. Debt-to-equity ratio of 0.70 is manageable, and the company has consistently generated positive operating cash flow. • Valuation Metrics: Trading at 26.9x P/E ratio and 16.6x EV/EBITDA, which appears reasonable given the company's growth trajectory and market position. The stock trades well above Graham's intrinsic value calculations, reflecting its quality premium. • Other Considerations: Strong return on equity of 7.2%, consistent dividend payments with recent 50% increase, and a track record of returning capital to shareholders through both dividends and share buybacks. The diversified end-market exposure provides some recession resilience.
Recent development
Over the past few years, Amphenol has executed a significant strategic expansion focused on high-growth technology markets. The company has been particularly aggressive in positioning itself for the artificial intelligence boom, with AI-related interconnect products driving extraordinary growth in its IT datacom business. This market represented 33% of total sales in Q1 2025, with growth rates exceeding 60% year-over-year. The company has pursued an active acquisition strategy to expand its capabilities and market reach. Major recent acquisitions include Carlisle Interconnect Technologies (CIT) for $2 billion, which significantly expanded Amphenol's presence in commercial aerospace, and the pending acquisition of CommScope's Andrew businesses, which will strengthen the company's position in mobile network infrastructure. These acquisitions have added approximately $600 million in annualized sales. Amphenol has also made strategic investments in next-generation technologies, particularly in high-speed, low-latency interconnect solutions required for AI computing applications. The company has expanded its manufacturing capacity to meet growing demand from data center customers and has developed new product lines for emerging applications in electric vehicles, 5G networks, and industrial automation. The company's entrepreneurial management approach has been a key differentiator, maintaining decentralized decision-making even as the organization has scaled. This structure allows individual business units to respond quickly to customer needs and market opportunities while leveraging the broader company's resources and capabilities.
APH company profile · for informational purposes only — not investment advice.
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