Proto Labs has beaten earnings estimates in all 4 of the last 4 quarters with an average surprise of 26%, delivers 179% free cash flow conversion, and holds a perfect Piotroski F-Score of 9/9, but the stock has already reached analyst targets and falling volume (declining on-balance volume) signals waning buying interest.
Thesis pillars
- Target Reached Negative Asymmetry↑Improving
- Strong Earnings Beat Streak→Stable
- Exceptional Fcf Conversion Quality→Stable
- +1 more pillar — see the Why tab for full reasoning
Pillars as of Jul 3, 2026, based on the 10-K filed Feb 20, 2026
Proto Labs, Inc. (PRLB) Stock Analysis
Oversold Bounce setup
Industrials · Metal Fabrication
Sell if holding. Momentum 3.1/10 is below the 5.0 floor at $68.89 — engine's falling-knife protection flags exit rather than catching a breakdown. Specifics: Negative momentum; Sector modifier (Industrials): -0.7.
Protolabs, Inc. is a digital manufacturing company producing custom prototype and low-volume production parts, via injection molding, CNC machining, 3D printing, and sheet metal fabrication, for over 300,000 customers including 95% of the Fortune 100. Customers order through an... Read more
Sell if holding. Momentum 3.1/10 is below the 5.0 floor at $68.89 — engine's falling-knife protection flags exit rather than catching a breakdown. Specifics: Negative momentum; Sector modifier (Industrials): -0.7. Chart setup: Oversold RSI 24, near Bollinger lower, volume surge. Score 5.8/10, moderate confidence.
Passes 5/7 gates (favorable risk/reward ratio, clean insider activity, earnings proximity 96d clear, semi cycle peak clear, materials cycle peak clear). Fails on weak momentum. Suitability: aggressive.
About Proto Labs, Inc.
About Proto Labs, Inc.
Protolabs manufactures custom prototype and production parts across four processes, injection molding, CNC machining, 3D printing, and sheet metal fabrication, from nine owned factories in Minnesota, North Carolina, New Hampshire, the U.K., and Germany, backed by its Protolabs Network of outside manufacturing partners. The company employed 2,280 full-time workers as of December 31, 2025, 1,627 in the United States and 653 in Europe, with international sales contributing approximately 19% of 2025 revenue, down from 21% in each of the prior two years.
Protolabs earns revenue on a per-part, on-demand basis: customers upload 3D CAD files to its web platform, which generates an automated price quote and manufacturability feedback, and orders route either to an in-house factory or, through the 2021-acquired Protolabs Network, to a global roster of third-party manufacturing partners across North America, Europe, and Asia. Its top served industries are medical and healthcare, computer electronics, industrial machinery and equipment, aerospace, and automotive, and it competes against thousands of regional machine shops, injection molders, and 3D-printing bureaus, digital brokers offering similar manufacturer networks, and captive in-house manufacturing operations at large product developers. Research and development spending, aimed at expanding manufacturing processes and pricing/routing software, totaled $42.8 million in 2025, up from $41.3 million in 2024 and $40.1 million in 2023. In October 2024 the board approved closing the company's prototype injection-molding facility in Eschenlohe, Germany, and discontinuing metal 3D-printing services in Putzbrunn, Germany, substantially completed in the fourth quarter of 2025.
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Protolabs' revenue is tied to customers' product-development budgets rather than steady-state production volume, an early-cycle exposure that showed up directly in 2025: the company closed its Eschenlohe, Germany injection-molding plant and discontinued Putzbrunn's metal 3D-printing line, completing the wind-down in the fourth quarter, while workforce attrition ran 13.6% in both the United States and Europe amid what the company describes as restructuring and transformation of the organization. Protolabs states it is redeploying the resulting cost savings into automation, core-systems, and digital-capability investments rather than into new facility capacity, a posture consistent with a company managing through softer prototype and low-volume demand rather than expanding to meet it.
See also: Industrials · Metal Fabrication
From Proto Labs, Inc.'s most recent 10-K filing, extracted July 6, 2026.
Recent developments
updated 2026-10-31Recent Developments — Proto Labs, Inc.
Latest news
- NEWS Proto Labs Inc (PRLB) Financial Health: Profitability & Balance Sheet Analysis - TradingKey — TradingKey neutral
- NEWS Proto Labs Inc (PRLB) Valuation: PE, PB & Fair Value Analysis - TradingKey — TradingKey neutral
- NEWS Analysts Have Conflicting Sentiments on These Industrial Goods Companies: Proto Labs (PRLB), Air Canada (OtherACDVF) and — The Globe and Mail neutral
- NEWS Proto Labs (PRLB) to report earnings tomorrow: here is what to expect - Yahoo Finance — Yahoo Finance neutral
- NEWS Proto Labs (PRLB) to report earnings tomorrow: here is what to expect - StockStory — StockStory neutral
Generated 2026-10-31T13:02:21Z.
Upcoming dated catalysts
Thesis
Key Metrics
Quality Signals
Options Flow
Concentration Risks(10-K Item 1A)
- LOWGeographicinternational revenue19%10-K Item 1A: 'Our international revenue accounted for approximately 19%, 21% and 21% of our total revenue in each of the years ended December 31, 2025, 2024 and 2023, respectively.'
Material Events(8-K, last 90d)
- 2026-05-07Item 5.02MEDIUMCOO Michael Kenison announced plans to retire effective July 1, 2026, thanked for his service. Separately, Bernardo Parlange was appointed Chief Commercial Officer, a newly created role overseeing global commercial strategy, effective May 18, 2026. Clean, non-adversarial executive transition.SEC filing →
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results. How we score · Editorial policy
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Rating Breakdown
1 floor-breaker
Price action weak — below key moving averages, no momentum carry. Needs a base before trend-continuation setups apply.static
Price Targets
Position Sizing
Risk Alerts
Earnings
Verdict History
Frequently Asked Questions
Sell if holding. Momentum 3.1/10 is below the 5.0 floor at $68.89 — engine's falling-knife protection flags exit rather than catching a breakdown. Specifics: Negative momentum; Sector modifier (Industrials): -0.7. Chart setup: Oversold RSI 24, near Bollinger lower, volume surge. Prior stop was $64.67. Score 5.8/10, moderate confidence.
Analyst target: $86.06 (+24.9% upside). Prior stop was $64.67. Stop-loss: $64.67.
Sector modifier (Industrials): -0.7; Negative momentum.
Proto Labs, Inc. trades at a P/E of 54.7 (forward 28.7). TrendMatrix value score: 5.9/10. Verdict: Sell.
11 analysts cover PRLB with a consensus score of 4.0/5. Average price target: $101.
What does Proto Labs, Inc. do?Protolabs, Inc. is a digital manufacturing company producing custom prototype and low-volume production parts, via...
Protolabs, Inc. is a digital manufacturing company producing custom prototype and low-volume production parts, via injection molding, CNC machining, 3D printing, and sheet metal fabrication, for over 300,000 customers including 95% of the Fortune 100. Customers order through an automated online quoting platform, and Protolabs fulfills parts through nine owned U.S. and European factories plus its Protolabs Network of third-party manufacturing partners; approximately 19% of 2025 revenue came from international sales.