| 2023-11-03 | +36.1% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2022-11-04 | -33.7% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2026-02-05 | +25.0% | earnings | Seeking Alpha | Proto Labs Q4 2025 Earnings Preview |
| 2024-11-01 | +23.4% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2026-02-06 | +23.2% | earnings | Seeking Alpha | Proto Labs, Inc. 2025 Q4 - Results - Earnings Call Presentation |
| 2026-02-06 | +23.2% | earnings | Seeking Alpha | Proto Labs outlines 6%-8% revenue growth for 2026 while advancing production and digital initiatives |
| 2026-02-06 | +23.2% | earnings | Seeking Alpha | Proto Labs, Inc. (PRLB) Q4 2025 Earnings Call Transcript |
| 2026-02-06 | +23.2% | earnings | Seeking Alpha | Proto Labs beats top-line and bottom-line estimates; initiates Q1 and FY26 outlook |
| 2026-02-06 | +23.2% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2026-02-06 | +23.2% | news | 01net | Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2025 - 01net |
| 2021-10-28 | -20.0% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2025-07-31 | +12.1% | earnings | Seeking Alpha | Proto Labs outlines 6% revenue growth target for Q3 2025 while advancing aerospace and defense focus |
| 2025-07-31 | +12.1% | earnings | Seeking Alpha | Proto Labs, Inc. (PRLB) Q2 2025 Earnings Call Transcript |
| 2025-07-31 | +12.1% | earnings | Seeking Alpha | Proto Labs, Inc. 2025 Q2 - Results - Earnings Call Presentation |
| 2025-07-31 | +12.1% | earnings | Seeking Alpha | Proto Labs Non-GAAP EPS of $0.41 beats by $0.07, revenue of $135.1M beats by $7.05M |
| 2025-07-31 | +12.1% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2023-02-10 | +11.1% | legal | SEC EDGAR | PRLB 8-K: 2.02, 7.01 (SEC Filing) |
| 2022-08-05 | -10.1% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2024-08-02 | -9.8% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2023-08-04 | -8.9% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2025-07-30 | +8.2% | earnings | Seeking Alpha | Proto Labs Q2 2025 Earnings Preview |
| 2025-05-02 | +8.1% | earnings | Seeking Alpha | Proto Labs targets $124M-$132M Q2 revenue with focus on production growth |
| 2025-05-02 | +8.1% | earnings | Seeking Alpha | Proto Labs, Inc. (PRLB) Q1 2025 Earnings Call Transcript |
| 2025-05-02 | +8.1% | earnings | Seeking Alpha | Proto Labs Non-GAAP EPS of $0.33 beats by $0.04, revenue of $126.2M beats by $2.49M |
| 2025-05-02 | +8.1% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2025-05-02 | +8.1% | news | Business Wire | Protolabs Reports Financial Results for the First Quarter of 2025 - Business Wire |
| 2023-05-05 | +7.2% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2021-07-29 | -7.1% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2025-05-01 | +6.9% | earnings | Seeking Alpha | Proto Labs Q1 2025 Earnings Preview |
| 2025-05-21 | -6.7% | earnings | Seeking Alpha | Proto Labs announces CEO, president appointment; reaffirms guidance |
| 2025-05-21 | -6.7% | legal | SEC EDGAR | PRLB 8-K: 5.02, 5.07, 7.01 (SEC Filing) |
| 2025-11-04 | -6.0% | news | Seeking Alpha | Proto Labs: Low-Quality Growth Remains An Issue |
| 2022-02-11 | +6.0% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2022-03-16 | +5.6% | legal | SEC EDGAR | PRLB 8-K: 5.02 and (SEC Filing) |
| 2024-02-09 | -5.3% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2025-10-30 | -4.7% | earnings | Seeking Alpha | Proto Labs Q3 2025 Earnings Preview |
| 2025-02-07 | -4.5% | earnings | Seeking Alpha | Proto Labs targets revenue growth in 2025 with expanded production capabilities |
| 2025-02-07 | -4.5% | earnings | Seeking Alpha | Proto Labs, Inc. (PRLB) Q4 2024 Earnings Call Transcript |
| 2025-02-07 | -4.5% | legal | SEC EDGAR | PRLB 8-K: 2.02, 7.01 (SEC Filing) |
| 2021-11-16 | -4.4% | legal | SEC EDGAR | PRLB 8-K: 5.02 and (SEC Filing) |
| 2024-07-24 | +4.2% | legal | SEC EDGAR | PRLB 8-K: 5.02 (SEC Filing) |
| 2025-06-06 | +3.9% | news | Kalkine Media | Kalkine: UBS AM Adds Proto Labs (NYSE:PRLB) Shares Amid Industrial Products Activity – ftse 100 futures Watchers Eye Developments - Kalkine Media |
| 2026-04-08 | +3.9% | news | Stock Titan | Proto Labs (PRLB) sets 2026 virtual meeting, director slate and pay votes - Stock Titan |
| 2026-01-22 | -3.6% | news | Seeking Alpha | Proto Labs: Low Valuation Multiple With Signs Of Business Acceleration |
| 2025-05-30 | -3.3% | legal | SEC EDGAR | PRLB 8-K: 5.02 and (SEC Filing) |
| 2026-04-17 | +2.9% | earnings | StockStory | 1 Profitable Stock to Research Further and 2 Facing Headwinds |
| 2025-04-12 | -2.6% | news | Seeking Alpha | Proto Labs: Good Intentions, But Still Stagnant |
| 2021-05-06 | -2.4% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2022-05-06 | +2.2% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2026-01-29 | +2.0% | news | Kalkine Media | Proto Labs Inc (NYSE:PRLB) Momentum Watch Amid Volatility Across Nyse Composite Markets - Kalkine Media |
| 2025-08-14 | -1.9% | news | Seeking Alpha | Proto Labs: Forget Margins, Pay Attention To Free Cash Flow For This Reshoring Play |
| 2024-10-07 | -1.9% | legal | SEC EDGAR | PRLB 8-K: 5.02 and (SEC Filing) |
| 2025-12-02 | +1.8% | analyst | Yahoo Finance | Is Proto Labs (PRLB) Outperforming Other Industrial Products Stocks This Year? - Yahoo Finance |
| 2025-05-28 | -1.5% | news | Seeking Alpha | Proto Labs: Strong Cash Flows Don't Offset Structural Issues |
| 2024-05-03 | -1.5% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2025-07-14 | -1.5% | news | Seeking Alpha | U.S. metalworking machinery orders down in May, but YTD total still outpaces 2024 |
| 2021-11-05 | -1.4% | legal | SEC EDGAR | PRLB 8-K: 5.02 and (SEC Filing) |
| 2026-04-14 | -1.3% | news | Zacks | Core Molding Technologies (CMT) Surges 7.4%: Is This an Indication of Further Gains? |
| 2025-08-11 | +1.3% | news | Seeking Alpha | Proto Labs: Stronger Growth Is Supportive Of The Stock |
| 2022-08-30 | -1.2% | legal | SEC EDGAR | PRLB 8-K: 5.02, 5.07 (SEC Filing) |
| 2025-10-03 | +1.2% | legal | SEC EDGAR | PRLB 8-K: 5.02, 7.01 (SEC Filing) |
| 2022-06-06 | +1.1% | legal | SEC EDGAR | PRLB 8-K: 5.02 and (SEC Filing) |
| 2026-04-10 | +1.1% | news | Business Wire | Protolabs Sets Conference Call to Discuss First Quarter 2026 Financial Results |
| 2025-12-01 | -1.1% | news | Yahoo Finance | Calculating The Intrinsic Value Of Proto Labs, Inc. (NYSE:PRLB) - Yahoo Finance |
| 2026-02-19 | -1.0% | legal | Yahoo Finance | Investment Manager Bets on Proto Labs Stock, According to Recent SEC Filing - Yahoo Finance |
| 2026-04-09 | +1.0% | news | Business Wire | Protolabs Joins Space Foundation to Help Propel Aerospace Innovation into a New Space Age |
| 2026-04-06 | -0.9% | analyst | Simply Wall St. | Assessing Proto Labs (PRLB) Valuation After Analyst Upgrades And Strong Zacks Rank Rating |
| 2026-04-06 | -0.9% | earnings | Simply Wall St. | How Proto Labs’ (PRLB) Earnings Upgrade and Zacks Rank Shift Will Impact Investors |
| 2026-04-03 | -0.6% | news | Zacks | Is Proto Labs (PRLB) Stock Outpacing Its Industrial Products Peers This Year? |
| 2026-04-16 | +0.6% | earnings | MarketBeat | Proto Labs (NYSE:PRLB) Share Price Crosses Above Two Hundred Day Moving Average - Time to Sell? - MarketBeat |
| 2024-05-24 | -0.5% | legal | SEC EDGAR | PRLB 8-K: 5.02 and 5.07 (SEC Filing) |
| 2026-04-22 | -0.4% | news | StockStory | 3 Hyped Up Stocks We’re Skeptical Of |
| 2026-04-22 | -0.4% | news | MarketBeat | If There's a Domestic Manufacturing Boom, These 3 Stocks Could Win |
| 2026-02-13 | +0.3% | news | Yahoo Finance | Bull of the Day: Proto Labs (PRLB) - Yahoo Finance |
| 2026-02-13 | +0.3% | news | Yahoo Finance | Proto Labs and PayPal have been highlighted as Zacks Bull and Bear of the Day - Yahoo Finance |
| 2025-10-31 | +0.3% | earnings | Seeking Alpha | Proto Labs expects up to 6% Q4 revenue growth as U.S. CNC machining momentum drives record results |
| 2025-10-31 | +0.3% | earnings | Seeking Alpha | Proto Labs, Inc. (PRLB) Q3 2025 Earnings Call Transcript |
| 2025-10-31 | +0.3% | earnings | Seeking Alpha | Proto Labs, Inc. 2025 Q3 - Results - Earnings Call Presentation |
| 2025-10-31 | +0.3% | earnings | Seeking Alpha | Proto Labs Non-GAAP EPS of $0.47 beats by $0.08, revenue of $135.4M beats by $1.57M |
| 2025-10-31 | +0.3% | legal | SEC EDGAR | PRLB 8-K: 2.02 and (SEC Filing) |
| 2026-04-18 | +0.2% | news | Cổng thông tin điện tử tỉnh Lào Cai | Proto Labs (PRLB) Stock: Why Financial Strength (Institutional Demand) 2026-04-18 - Micro Trends - Cổng thông tin điện tử tỉnh Lào Cai |
| 2026-02-26 | +0.2% | news | Seeking Alpha | Proto Labs: Mixed Results No Cause For Excitement |
| 2023-05-18 | -0.1% | legal | SEC EDGAR | PRLB 8-K: 5.02, 5.07 (SEC Filing) |
| 2026-04-25 | — | news | StockStory | 3 Cash-Producing Stocks with Warning Signs |