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$SOTK investors who have been following me for a while know that I am "all in" and why. For newer Sono-Tek shareholders and onlookers interested in understanding the transition driving $SOTK's business, I present what I believe is fueling it and elevating its intrinsic value far above the current share price. $SOTK has high gross margins with low variability. High gross margins with low volatility provide the financial flexibility to fund FDEs, application engineering, and software development needed to transition from R&D systems to high-volume production machines. Positioning on the chart. Sono-Tek's gross margins have held between 45% and 52% for years, averaging around 49% with very little variation (evidence of a management team operating with clear-headed conviction, steadily building a multi-moat business anchored in higher-ASP production systems). Gross margins between 45% and 52% puts $SOTK in the same territory as pharma, beverages, and household products on the pricing power map. For a $20M industrial equipment company, that is unusual. Most industrials sit around 30% to 35% with wider swings. Even semiconductors, which overlap with some of Sono-Tek's end markets, carry more margin volatility. The S&P 500 average (clocking roughly 37%) falls well below and to the left. The moat behind those margins. Sono-Tek's ultrasonic coating technology sits in a narrow niche with few credible competitors. Their IP and process expertise form a real barrier to entry. Once a customer integrates a Sono-Tek system into a production workflow, the switching costs become significant because coating parameters, recipes, and calibration are all tightly coupled to the equipment. These dynamics check several boxes in the economic moat framework: intellectual property, switching costs, and efficient scale within a specialized market. How margin stability bankrolled the shift to production equipment. Sono-Tek describes its product line as rapidly evolving, transitioning from R&D systems to high-volume production machines with significantly higher average selling prices. The financial mechanics that enabled this are straightforward. Selling R&D units (typically under $100K each) at roughly 50% gross margin threw off enough cash to fund $2.5M to $2.7M in annual R&D without borrowing. The company held $12.68M in cash at the end of the latest fiscal year with zero debt. That balance sheet is a direct consequence of years of consistent, healthy margins on smaller equipment. The R&D systems also created a natural customer pipeline. A lab customer buys a small Sono-Tek unit, validates a coating process on it, and, when the time comes to scale, already knows the technology works. There is no reason to start over with a different vendor. In the alternative and clean energy market alone, sales grew 42%, driven by customers moving from R&D systems to production-scale systems with much higher ASPs. One production system order can cost more than 10 times that of a typical R&D unit. This creates a compounding effect. Low ASP sales build process lock-in. High margins on those sales fund the software development and engineering work needed to develop larger pilot lines and production platforms. Those production systems generate even more gross profit per unit, which in turn fuels further investment. The company's high-ASP strategy continues to drive growth and capture opportunities, shifting towards strong medical markets as clean energy hit speed bumps over the last year. The chart makes the point visually: Sono-Tek occupies moat territory that its industrial peers do not, and that margin cushion gave it the financial room to move from a lab equipment supplier to a production equipment provider without needing outside capital or taking on step-function risk. Disclosure: I am long $SOTK. This is not investment advice. Do your own research before making any investment decisions.

LPKF Laser are kinda interesting. Initial notes are: -> Owns LIDE - only 2-step laser + etch process hitting 5µm vias at 50:1 AR on glass panels. -> Every serious glass substrate player (SEMCO, SKC Absolics, LG Innotek, DNP, Intel) is a customer, partner, or in qualification. -> Their LIDE process is the only one hitting the spec envelope $AVGO/ $AAPL/ $NVDA ASICs actually require? -> €337M MC - seems to be priced as a solar-drag industrial laser co. Not as a chokepoint of the packaging transition. -> Pretty ugly P&L. I started a small position yesterday which I'll build out next week depending on how I feel when the time comes.