Sono-Tek (SOTK)
Builds ultrasonic coating systems from research tools to production equipment.
Something off on this page? Send us feedback.
Sells custom ultrasonic coating systems, supporting equipment, and process-development services for components across electronics, energy, medical, industrial, and R&D markets. The business combines research-scale tools with continuous production equipment and depends on capital-equipment order timing and end-market demand.
Designs and manufactures custom ultrasonic coating systems that apply thin films to components. Its product range includes Multi-Axis Coating Systems, In-Line Coating Systems, Fluxing Systems, OEM Systems, and Other; it also combines nozzles with motion and liquid-delivery systems and provides application-process development and support.
Equipment ranges from research machines to continuous high-volume production systems for microelectronics and electronics, alternative energy, medical, industrial, and R&D markets. Direct sales and distributors support customers internationally, with process-development labs at distributor sites in Japan, China, Germany, Singapore, and South Korea. Demand depends on capital-equipment order timing and end-market demand, including electrolysis systems affected by government incentives.
Company facts
Target rangeAs of Sep 2, 2026
Latest analyst notes
| Date | Firm | Action | Prior rating | Rating | Target |
|---|---|---|---|---|---|
| Mar 13, 2026 | Truist Financial | Target | $8.50 | ||
| May 29, 2025 | Northland Capital Markets | Downgrade | Outperform | Market Perform |
EPSReportedEstimate
RevenueReportedEstimate
Balance sheet, May 31, 2026Cash & short-term investments $16.7M · Total debt $0 · Total assets $25.9M · Shareholders' equity $20.6M
- Revenue
- $5.7M
- Operating income
- $897.2K
- Net income
- $741.2K
No dividends on record.
| Institutions28 holders · as of Mar 31, 2026 | 8.54% | 1.34M shares | |
| Insiders10 holders · as of Aug 3, 2026 | 20.32% | 3.19M shares | |
| Strategic holders1 holder · as of Jan 6, 2025 | 34.82% | 5.47M shares | |
| Otherremainder | 36.32% | 5.71M shares |
15.72M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing
Top shareholders13F · 13D/G · Form 4
| Holder | Stake | Shares | Evidence |
|---|---|---|---|
Emancipation Management LLCStrategic | 34.82% | 5.47M | 13Gfiled Jan 6, 2025 ↗ |
V Adah NicklinInsider | 5.83% | 915,599 | 13D/Gfiled Jan 10, 2022 ↗ |
Richard A BaylesInsider | 5.35% | 840,536 | 13D/Gfiled Feb 7, 2020 ↗ |
Jeffrey O. SpiegelInsider | 5.25% | 825,148 | 13Dfiled Jan 18, 2022 ↗ |
Vanguard Capital Management LLCInstitution | 2.30% | 361,255 | 13Fas of Mar 31, 2026 |
| See all 25 → | |||
13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more
Insider tradesForm 4
| Date | Insider | Role | Shares | Avg price |
|---|---|---|---|---|
| Jul 30, 2026 | Stephen James Bagley | officer: CFO | −8,346 | $5.13 |
| Jul 27, 2026 | Stephen James Bagley | officer: CFO | −1,200 | $5.08 |
| Jul 23, 2026 | Stephen James Bagley | officer: CFO | −3,454 | $5.43 |
| Jul 21, 2026 | Christopher L. Coccio | director | −17,000 | $5.38 |
| Mar 5, 2026 | Adeniyi Lawal | director | +2,400 | $4.12 |





