SITM Stock: Insider Activity, Filings & Research
SiTime Corporation (SITM) — Drillr’s hub for SITM insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, SITM insiders filed 0 open-market buys and 8 sales (SEC Form 4).
SITM insider trading activity (SEC Form 4)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 2, 2026 | Chitkara Ramandirector | Grant | 390 | — |
| Jun 2, 2026 | SCHUELKE KATHERINEdirector | Grant | 390 | — |
| Jun 2, 2026 | Assaderaghi Fariborzofficer: See Remarks | Sell | 1,500 | $712.72 |
| Jun 2, 2026 | Frank Edward H.director | Grant | 390 | — |
| Jun 2, 2026 | Heckart Christinedirector | Grant | 390 | — |
| Jun 2, 2026 | Takata Akiradirector | Grant | 390 | — |
| Jun 2, 2026 | MOORTHY GANESHdirector | Grant | 390 | — |
| Jun 2, 2026 | Kreindl Torstendirector | Grant | 390 | — |
| Jun 2, 2026 | AALAEI FARAJdirector | Grant | 390 | — |
| May 27, 2026 | Assaderaghi Fariborzofficer: See Remarks | Sell | 1,709 | $731.49 |
| May 22, 2026 | Howe Elizabeth A.officer: EVP, Chief Financial Officer | Tax | 2,738 | $697.00 |
| May 22, 2026 | Pangrazio Vincent Pofficer: See Remarks | Tax | 3,438 | $697.00 |
| May 22, 2026 | Kreindl Torstendirector | Sell | 710 | $720.00 |
| May 22, 2026 | VASHIST RAJESHdirector, officer: Chief Executive Officer | Tax | 16,871 | $697.00 |
| May 22, 2026 | Assaderaghi Fariborzofficer: See Remarks | Tax | 6,049 | $697.00 |
Source: SITM SEC Form 4 filings, latest Jun 2, 2026. For informational purposes only — not investment advice.
SiTime Corporation company profile
Overview
SiTime Corporation (NASDAQ:SITM) is a semiconductor company founded in 2003 and headquartered in Santa Clara, California. The company went public in November 2019 and has established itself as a leader in precision timing semiconductor technology. SiTime designs and manufactures silicon-based timing solutions that replace traditional quartz-based timing devices, serving diverse markets including communications, automotive, industrial, and consumer electronics. The company has shipped over 3 billion precision timing chips to more than 15,000 customers worldwide.
Business
SiTime operates in the precision timing semiconductor industry, which provides critical timing components that synchronize electronic systems. The company's core products include oscillators, resonators, and clock integrated circuits that generate precise timing signals essential for the proper functioning of electronic devices. To understand SiTime's products, it's important to know that virtually every electronic device requires precise timing to coordinate its operations - similar to how a conductor keeps an orchestra in sync. Traditional timing devices use quartz crystals, but SiTime has developed silicon-based alternatives that offer superior performance, reliability, and customization capabilities. The company's product portfolio includes several key platforms: - Cascade: Complex clocking products designed for communications, enterprise, and data center applications - Chorus: Timing solutions specifically engineered for automotive and autonomous driving systems - Symphonic: Multi-output clock generators for 5G infrastructure and industrial applications - Endura: High-performance timing products for aerospace and defense applications SiTime's business is organized around three main market segments: 1. Communications, Enterprise, and Data Center (CED): Approximately 37-49% of revenue, serving AI infrastructure, cloud computing, and networking equipment 2. Automotive, Industrial, and Aerospace: Approximately 23-33% of revenue, focusing on electric vehicles, autonomous driving, and industrial automation 3. Mobile, IoT, and Consumer: Approximately 28-35% of revenue, serving smartphones, wearables, and consumer electronics The company has significantly expanded its addressable market through the 2023 acquisition of Aura Semiconductor's clocking products, which added complementary clock generation capabilities to its timing portfolio.
Revenue model
SiTime generates revenue primarily through direct product sales of its timing semiconductors to original equipment manufacturers (OEMs) and their contract manufacturers. The company sells through a combination of direct sales and distribution channels, with distributors and resellers helping reach smaller customers globally. The business model is characterized by several key revenue drivers. First, design wins are critical - once SiTime's timing solutions are designed into a customer's product, they typically become single-sourced, meaning the customer relies exclusively on SiTime for that component. This creates recurring revenue streams as customers continue purchasing for production and product lifecycles. Approximately 85% of the company's revenue comes from single-sourced business. SiTime's pricing strategy focuses on value-based pricing rather than commodity pricing. The company's silicon-based timing solutions command premium prices compared to traditional quartz alternatives due to superior performance characteristics including better frequency stability, lower jitter, and enhanced environmental resilience. Average selling prices (ASPs) have shown consistent growth as the company introduces higher-performance products. The company's margins are influenced by several factors. Positive margin drivers include the premium pricing of high-performance products, operating leverage from revenue growth, improved manufacturing yields, and the shift toward higher-value applications like AI data centers and automotive systems. The company targets gross margins of 60% or higher, which it has achieved historically. Margin pressures can arise from competitive pricing in commodity timing applications, manufacturing yield challenges during new product ramps, customer concentration risks (with the largest customer representing about 24% of revenue), and macroeconomic factors affecting end-market demand. Additionally, the company's significant R&D investments (necessary to maintain technological leadership) can pressure operating margins during periods of slower revenue growth. The timing semiconductor market benefits from several secular trends that support long-term growth, including the proliferation of AI and data center infrastructure, the transition to electric and autonomous vehicles, 5G network deployments, and the increasing complexity of electronic systems requiring more sophisticated timing solutions.
Competitive moat
SiTime's competitive moat is moderately strong, built primarily on technological differentiation and customer switching costs. The company's core advantage lies in its silicon timing technology, which offers superior performance compared to traditional quartz-based solutions. This includes better frequency stability, lower phase noise, enhanced environmental resilience, and the ability to integrate multiple timing functions on a single chip. The design-in process creates significant switching costs for customers. Once a timing solution is designed into a product, changing suppliers requires extensive re-engineering, testing, and qualification - a process that can take 12-18 months and cost hundreds of thousands of dollars. This explains why 85% of SiTime's revenue comes from single-sourced business relationships. SiTime's intellectual property portfolio and manufacturing expertise in silicon timing represent additional moat elements. The company has developed proprietary MEMS (Micro-Electro-Mechanical Systems) technology and specialized manufacturing processes that are difficult to replicate. The technical complexity of precision timing, particularly for demanding applications like data centers and automotive systems, creates barriers for new entrants. However, the moat faces several challenges. Traditional competitors like Microchip Technology, Renesas, and other established semiconductor companies have significant resources and could potentially develop competing silicon timing technologies. The timing market also includes large quartz manufacturers who might defend their market share through aggressive pricing. Potential disruption could come from system-on-chip integration, where timing functions become embedded within larger processors or system chips, potentially reducing the need for discrete timing components. Additionally, the company's customer concentration (largest customer at 24% of revenue) creates vulnerability to individual customer decisions or market shifts. The strength of SiTime's moat ultimately depends on its ability to maintain technological leadership through continued R&D investment and its success in expanding into new applications where its performance advantages are most valued. The company's focus on high-performance, mission-critical applications helps differentiate it from commodity timing suppliers.
Risks & safety
SiTime presents a moderate margin of safety profile with strong balance sheet fundamentals but elevated valuation metrics. Liquidity and Solvency: - Strong current ratio of 4.87x indicates excellent short-term liquidity - Minimal debt with debt-to-equity ratio of 0.009 - Current cash burn of approximately $23.9M net loss in Q1 2025, but positive operating cash flow of $15M - Total cash and investments of approximately $419M provides substantial runway - Free cash flow recently turned slightly negative at -$1.4M but historically positive Valuation Metrics: - High price-to-book ratio of 5.22x suggests premium valuation - EV/EBITDA not meaningful due to negative EBITDA from heavy R&D spending - Graham Net-Net value of 11.9 indicates stock trading well above conservative asset value - Revenue multiple appears elevated given current growth trajectory Other Considerations: - Customer concentration risk with largest customer at 24% of revenue - Cyclical semiconductor industry exposure - Heavy R&D spending necessary to maintain competitive position - Strong balance sheet provides downside protection despite valuation concerns
Recent development
Over the past few years, SiTime has executed several strategic initiatives to expand its market presence and product portfolio. The most significant development was the acquisition of Aura Semiconductor's clocking products in 2023, which added complementary clock generation capabilities and expanded the company's addressable market to approximately $2.5 billion. Management expects this acquisition to contribute toward a target of $100 million in clock product revenue in the coming years. The company has aggressively pursued the AI and data center market, which has become its fastest-growing segment. SiTime now ships 70 unique part numbers across 14 product families to 30 different AI hardware customers, with timing content ranging from $8 to $25 per system. The Communications, Enterprise, and Data Center segment has grown from 23% of revenue in Q4 2023 to 49% in Q1 2025, representing nearly 200% year-over-year growth. Product innovation has accelerated significantly, with the company introducing 10 new platforms and 40 new products in 2024 alone. Key platforms include the Cascade complex clocking products for data centers, Chorus solutions for automotive applications, and Symphonic multi-output clock generators for 5G infrastructure. The company has also expanded its aerospace and defense portfolio with the Endura product family. In the automotive sector, SiTime has positioned itself for the transition to electric and autonomous vehicles, developing fail-safe timing technologies and precision timing solutions for ADAS (Advanced Driver Assistance Systems). The company estimates a $400-500 million serviceable addressable market in automotive precision timing. The company has maintained its focus on design wins, which grew 75% in 2023, with 65% of these wins coming from focus segments like communications, enterprise, automotive, and aerospace. This design win momentum supports future revenue growth as these designs move into production.
SITM company profile · for informational purposes only — not investment advice.
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