Form 8-K

8-K — Proto Labs Inc

Accession: 0001443669-26-000034

Filed: 2026-07-31

Period: 2026-07-31

CIK: 0001443669

SIC: 3440 (FABRICATED STRUCTURAL METAL PRODUCTS)

Item: Results of Operations and Financial Condition

Item: Financial Statements and Exhibits

Documents

8-K — prlb-20260731.htm (Primary)

EX-99.1 (prlb-2026731xexx991.htm)

GRAPHIC (logo.jpg)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K

8-K (Primary)

Filename: prlb-20260731.htm · Sequence: 1

prlb-20260731

0001443669FALSE00014436692026-07-312026-07-31

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): July 31, 2026

Proto Labs, Inc.

(Exact name of registrant as specified in its charter)

Minnesota 001-35435 41-1939628

(State or other jurisdiction

of incorporation) (Commission File Number) (IRS Employer

Identification Number)

5540 Pioneer Creek Drive

Maple Plain, Minnesota

55359

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code:

(763) 479-3680

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered

Common Stock, Par Value $0.001 Per Share PRLB New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition.

On July 31, 2026, Proto Labs, Inc. issued a press release announcing its second quarter 2026 financial results. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d)Exhibits

99.1

Press release of Proto Labs, Inc. dated July 31, 2026

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Proto Labs, Inc.

Date:

July 31, 2026

By: /s/ Daniel Schumacher

Daniel Schumacher

Chief Financial Officer

EX-99.1

Filename: prlb-2026731xexx991.htm · Sequence: 2

Document

Exhibit 99.1

Protolabs Reports Financial Results for the Second Quarter of 2026

Record Quarterly Revenue of $149.3 Million, a 10.6% Increase Year-Over-Year

GAAP Earnings Per Share of $0.37, Non-GAAP Earnings Per Share of $0.60

Raising Full Year 2026 Revenue Growth Guidance from 6% - 8% to 8% - 10%

MINNEAPOLIS – July 31, 2026 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced financial results for the second quarter ended June 30, 2026.

Second Quarter 2026 Financial Highlights:

•Revenue was a record $149.3 million, a 10.6% increase over the second quarter of 2025.

◦Total revenue per customer contact increased 16.7% year-over-year.

◦CNC machining revenue grew 13.6% year-over-year.

◦Injection molding revenue grew 13.1% year-over-year.

•GAAP gross margin was 46.4%, up from 44.3% in the second quarter of 2025. Non-GAAP gross margin was 46.8%, up 200 bps from 44.8% in the second quarter of 2025.

•GAAP operating margin was 7.6%, up from 3.7% in the second quarter of 2025. Non-GAAP operating margin was 12.0%, up 340 bps from 8.6% in the second quarter of 2025.

•GAAP net income was $0.37 per diluted share, compared to $0.18 per diluted share in the second quarter of 2025. Non-GAAP net income was $0.60 per diluted share, compared to $0.41 per diluted share in the second quarter of 2025.

Note: See “Non-GAAP Financial Measures” below.

"We delivered another strong quarter with record revenue, double-digit revenue growth, and both gross and operating margin expansion. More importantly, we are seeing increasing evidence that our strategy is gaining traction across the business, with larger strategic customers expanding their relationships with Protolabs," said President and Chief Executive Officer Suresh Krishna. "Through the first half of 2026, we have demonstrated that Protolabs can deliver strong financial performance while simultaneously transforming the business for the future. We are encouraged by the momentum we are seeing across customers, services, and regions."

Additional Second Quarter 2026 Financial Highlights:

•Adjusted EBITDA was $25.1 million, or 16.8% of revenue, compared to $19.7 million, or 14.6% of revenue, in the second quarter of 2025. See “Non-GAAP Financial Measures” below.

•Cash generated from operations was $15.4 million.

•Cash and investments balance was $162.9 million as of June 30, 2026.

"Record revenue and meaningful margin expansion in the second quarter highlight the strength and scalability of our business model," said Chief Financial Officer Dan Schumacher. "We continue to generate strong cash flow while investing in strategic growth initiatives, and we remain focused on balancing profitable growth with disciplined execution to drive value for customers and shareholders."

Financial Guidance and Outlook:

•For full year 2026, Protolabs is raising its guidance and now expects to generate revenue growth between 8% and 10%.

•For the third quarter of 2026, the Company expects revenue between $145.0 million and $153.0 million.

•For the third quarter of 2026, the Company expects GAAP diluted net income per share between $0.34 and $0.42, and non-GAAP diluted net income per share between $0.56 and $0.64. See "Non-GAAP Financial Measures" below.

Non-GAAP Financial Measures

The Company has included non-GAAP revenue growth by region and by product line that excludes the impact of changes in foreign currency exchange rates (collectively, “non-GAAP revenue growth”). Management believes these metrics, when viewed in conjunction with the comparable GAAP metrics, are useful in evaluating the underlying business trends and ongoing operating performance of the Company.

The Company has included earnings before interest, taxes, depreciation and amortization (“EBITDA”) and EBITDA, adjusted for stock-based compensation expense, unrealized loss (gain) on foreign currency, trade refunds and charges, net, restructuring and transformation costs, costs related to exit and disposal activities and CEO transition costs (collectively, “Adjusted EBITDA”), in this press release to provide investors with additional information regarding the Company’s financial results. The Company has also included earnings before interest, taxes, depreciation and amortization margin (“EBITDA margin”) and EBITDA margin, adjusted for stock-based compensation expense, unrealized loss (gain) on foreign currency, trade refunds and charges, net, restructuring and transformation costs, costs related to exit and disposal activities and CEO transition costs (collectively, “Adjusted EBITDA margin”), in this press release to provide investors with additional information regarding the Company’s financial results.

The Company has included non-GAAP gross margin, adjusted for stock-based compensation expense, amortization expense and trade refunds and charges, net, in this press release to provide investors with additional information regarding the Company’s financial results.

The Company has included non-GAAP operating margin, adjusted for stock-based compensation expense, amortization expense, trade refunds and charges, net, restructuring and transformation costs, costs related to exit and disposal activities and CEO transition costs (collectively, “non-GAAP operating margin”), in this press release to provide investors with additional information regarding the Company’s financial results.

The Company has included non-GAAP net income and non-GAAP net income per share, in each case, adjusted for stock-based compensation expense, amortization expense, unrealized loss (gain) on foreign currency, trade refunds and charges, net, restructuring and transformation costs, costs related to exit and disposal activities and CEO transition costs (collectively, “non-GAAP net income”), in this press release to provide investors with additional information regarding the Company’s financial results.

The Company has provided below reconciliations of GAAP to non-GAAP net income, non-GAAP net income per share, non-GAAP gross margin, non-GAAP operating margin, non-GAAP revenue growth by region and by product line, and Adjusted EBITDA and Adjusted EBITDA margin, the most directly comparable measures calculated and presented in accordance with GAAP. These non-GAAP measures are used by the Company’s management and board of directors to understand and evaluate operating performance and trends, provide useful measures for period-to-period comparisons of the Company’s business, and in determining executive and senior management incentive compensation. Accordingly, the Company believes that these non-GAAP measures provide useful information to investors and others in understanding and evaluating operating results in the same manner as our management and board of directors. These non-GAAP financial measures should not be considered a substitute for, or superior to, financial measures calculated in accordance with GAAP. These non-GAAP financial measures exclude significant expenses and income that are required by GAAP to be recorded in our condensed consolidated financial statements and are subject to inherent limitations. Investors should review the reconciliations of non-GAAP financial measures to the comparable GAAP financial measures that are included in this press release.

Conference Call

The Company has scheduled a conference call to discuss its second quarter 2026 financial results and third quarter 2026 outlook today, July 31, 2026, at 8:30 a.m. EDT. To access the call in the U.S., please dial 877-709-8150 or outside the U.S. dial 201-689-8354 at least five minutes prior to the 8:30 a.m. EDT start time. No participant code is required. A simultaneous webcast of the call and accompanying presentation will be available via the investor relations section of the Protolabs website and the following link: https://edge.media-server.com/mmc/p/9bgsjeh5/. A replay will be available for 14 days following the call on the investor relations section of the Protolabs website.

About Protolabs

Protolabs is the world’s fastest manufacturing service enabling companies across every industry to streamline production of quality parts throughout the entire product life cycle. From custom prototyping to end-use production, we support product developers, engineers, and supply chain teams along every phase of their manufacturing journey. Get started now at protolabs.com.

Forward-Looking Statements

Statements contained in this press release regarding matters that are not historical or current facts are “forward-looking statements” within the meaning of The Private Securities Litigation Reform Act of 1995. These statements involve known and unknown risks, uncertainties and other factors which may cause the results of Protolabs to be materially different than those expressed or implied in such statements. Certain of these risk factors and others are described in the “Risk Factors” section within reports filed with the SEC. Other unknown or unpredictable factors also could have material adverse effects on Protolabs’ future results. The forward-looking statements included in this press release are made only as of the date hereof. Protolabs cannot guarantee future results, levels of activity, performance or achievements. Accordingly, you should not place undue reliance on these forward-looking statements. Finally, Protolabs expressly disclaims any intent or obligation to update any forward-looking statements to reflect subsequent events or circumstances.

Source: Proto Labs, Inc.

Investor Relations Contacts

Protolabs

Ryan Johnsrud, 612-225-4873

Sr. Manager – Investor Relations and Corporate Development

ryan.johnsrud@protolabs.com

Gateway Group, Inc.

949-574-3860

PRLB@gateway-grp.com

Media Contact

Protolabs

Brent Renneke, 763-479-7704

Corporate Communications Manager

brent.renneke@protolabs.com

Proto Labs, Inc.

Condensed Consolidated Balance Sheets

(In thousands)

June 30,

2026 December 31,

2025

(Unaudited)

Assets

Current assets

Cash and cash equivalents $ 127,918 $ 110,826

Short-term marketable securities 14,858 17,297

Accounts receivable, net 95,074 78,962

Inventory 15,413 14,401

Prepaid expenses and other current assets 11,590 9,590

Income taxes receivable 1,390 2,465

Total current assets 266,243 233,541

Property and equipment, net 208,329 215,261

Goodwill 273,991 273,991

Other intangible assets, net 16,606 18,612

Long-term marketable securities 20,120 14,308

Operating lease assets 1,263 2,836

Finance lease assets 290 424

Other long-term assets 4,456 4,442

Total assets $ 791,298 $ 763,415

Liabilities and shareholders' equity

Current liabilities

Accounts payable $ 21,542 $ 15,104

Accrued compensation 18,830 23,674

Accrued liabilities and other 31,776 26,783

Current operating lease liabilities 929 1,155

Current finance lease liabilities 127 286

Total current liabilities 73,204 67,002

Long-term operating lease liabilities 1,185 1,606

Long-term deferred tax liabilities 20,625 16,598

Other long-term liabilities 4,551 4,277

Shareholders' equity 691,733 673,932

Total liabilities and shareholders' equity $ 791,298 $ 763,415

Proto Labs, Inc.

Condensed Consolidated Statements of Operations

(In thousands, except share and per share amounts)

(Unaudited)

Three Months Ended

June 30, Six Months Ended

June 30,

2026 2025 2026 2025

Revenue

Injection Molding $ 53,625 $ 47,415 $ 104,693 $ 96,138

CNC Machining 70,360 61,945 133,605 114,788

3D Printing 20,667 21,215 41,132 41,409

Sheet Metal 4,462 4,303 8,813 8,514

Other Revenue 227 185 434 419

Total revenue 149,341 135,063 288,677 261,268

Cost of revenue 79,999 75,289 155,743 145,796

Gross profit 69,342 59,774 132,934 115,472

Operating expenses

Marketing and sales 25,682 24,731 50,462 48,480

Research and development 10,791 11,173 21,331 21,782

General and administrative 19,650 18,752 36,662 35,600

Restructuring and transformation costs 924 — 2,345 —

Costs related to exit and disposal activities 937 149 937 110

Total operating expenses 57,984 54,805 111,737 105,972

Income from operations 11,358 4,969 21,197 9,500

Other income, net 1,245 1,705 2,723 3,159

Income before income taxes 12,603 6,674 23,920 12,659

Provision for income taxes 3,451 2,247 6,657 4,633

Net income $ 9,152 $ 4,427 $ 17,263 $ 8,026

Net income per share:

Basic $ 0.38 $ 0.19 $ 0.72 $ 0.33

Diluted $ 0.37 $ 0.18 $ 0.71 $ 0.33

Shares used to compute net income per share:

Basic 23,969,254 23,900,390 23,902,802 24,018,119

Diluted 24,415,788 24,101,592 24,358,568 24,291,246

Proto Labs, Inc.

Condensed Consolidated Statements of Cash Flows

(In thousands)

(Unaudited)

Six Months Ended

June 30,

2026 2025

Operating activities

Net income $ 17,263 $ 8,026

Adjustments to reconcile net income to net cash provided by operating activities:

Depreciation and amortization 16,161 17,264

Stock-based compensation expense 7,307 8,251

Deferred taxes 4,054 (3,985)

Interest on finance lease obligations 5 11

Loss on impairment of equipment 186 —

Impairments related to exit and closure of facilities 937 448

Gain on disposal of property and equipment (120) —

Other (152) (82)

Changes in operating assets and liabilities (12,663) (970)

Net cash provided by operating activities 32,978 28,963

Investing activities

Purchases of property, equipment and other capital assets (9,743) (2,730)

Proceeds from sales of property, equipment and other capital assets 1,279 —

Purchases of marketable securities (16,007) (11,052)

Proceeds from maturities of marketable securities 12,500 10,230

Net cash used in investing activities (11,971) (3,552)

Financing activities

Proceeds from issuance of common stock from equity plans 7,265 2,081

Purchases of shares withheld for tax obligations (5,951) (3,117)

Repurchases of common stock (5,036) (23,980)

Principal repayments of finance lease obligations (160) (153)

Net cash used in financing activities (3,882) (25,169)

Effect of exchange rate changes on cash and cash equivalents (33) 1,069

Net increase in cash and cash equivalents 17,092 1,311

Cash and cash equivalents, beginning of period 110,826 89,071

Cash and cash equivalents, end of period $ 127,918 $ 90,382

Proto Labs, Inc.

Reconciliation of GAAP to Non-GAAP Net Income and Non-GAAP Net Income per Share

(In thousands, except share and per share amounts)

(Unaudited)

Three Months Ended

June 30, Six Months Ended

June 30,

2026 2025 2026 2025

Non-GAAP net income, adjusted for stock-based compensation expense, amortization expense, unrealized loss (gain) on foreign currency, trade refunds and charges, net, restructuring and transformation costs, costs related to exit and disposal activities and CEO transition costs

GAAP net income $ 9,152 $ 4,427 $ 17,263 $ 8,026

Add back:

Stock-based compensation expense 4,088 4,259 7,307 8,251

Amortization expense 905 927 1,818 1,835

Unrealized loss (gain) on foreign currency 137 (179) 137 (314)

Trade refunds and charges, net (327) — (327) —

Restructuring and transformation costs 924 — 2,345 —

Costs related to exit and disposal activities 937 149 937 110

CEO transition costs — 1,362 — 1,362

Total adjustments 1

6,664 6,518 12,217 11,244

Income tax benefits on adjustments 2

(1,111) (958) (1,697) (1,200)

Non-GAAP net income $ 14,705 $ 9,987 $ 27,783 $ 18,070

Non-GAAP net income per share:

Basic $ 0.61 $ 0.42 $ 1.16 $ 0.75

Diluted $ 0.60 $ 0.41 $ 1.14 $ 0.74

Shares used to compute non-GAAP net income per share:

Basic 23,969,254 23,900,390 23,902,802 24,018,119

Diluted 24,415,788 24,101,592 24,358,568 24,291,246

1Stock-based compensation expense, amortization expense, unrealized loss (gain) on foreign currency, trade refunds and charges, net, restructuring and transformation costs, costs related to exit and disposal activities and CEO transition costs were included in the following GAAP consolidated statement of operations categories:

Three Months Ended

June 30, Six Months Ended

June 30,

2026 2025 2026 2025

Cost of revenue $ 549 $ 767 $ 1,285 $ 1,569

Marketing and sales 819 808 1,524 1,586

Research and development 641 735 1,069 1,360

General and administrative 2,657 4,238 4,920 6,933

Restructuring and transformation costs 924 — 2,345 —

Costs related to exit and disposal activities 937 149 937 110

Total operating expenses 5,978 5,930 10,795 9,989

Other income, net 137 (179) 137 (314)

Total adjustments $ 6,664 $ 6,518 $ 12,217 $ 11,244

2For the three and six months ended June 30, 2026 and 2025, income tax effects were calculated using the effective tax rate for the relevant jurisdictions. The Company's non-GAAP tax rates differ from its GAAP tax rates due primarily to the mix of activity incurred in domestic and foreign tax jurisdictions and removing effective tax rate benefits from stock-based compensation activity in the respective period.

Proto Labs, Inc.

Reconciliation of GAAP to Non-GAAP Gross Margin

(In thousands)

(Unaudited)

Three Months Ended

June 30, Six Months Ended

June 30,

2026 2025 2026 2025

Revenue $ 149,341 $ 135,063 $ 288,677 $ 261,268

Gross profit 69,342 59,774 132,934 115,472

GAAP gross margin 46.4 % 44.3 % 46.0 % 44.2 %

Add back:

Stock-based compensation expense 534 424 928 884

Amortization expense 342 343 684 685

Trade refunds and charges, net (327) — (327) —

Total adjustments 549 767 1,285 1,569

Non-GAAP gross profit $ 69,891 $ 60,541 $ 134,219 $ 117,041

Non-GAAP gross margin 46.8 % 44.8 % 46.5 % 44.8 %

Proto Labs, Inc.

Reconciliation of GAAP to Non-GAAP Operating Margin

(In thousands)

(Unaudited)

Three Months Ended

June 30, Six Months Ended

June 30,

2026 2025 2026 2025

Revenue $ 149,341 $ 135,063 $ 288,677 $ 261,268

Income from operations 11,358 4,969 21,197 9,500

GAAP operating margin 7.6 % 3.7 % 7.3 % 3.6 %

Add back:

Stock-based compensation expense 4,088 4,259 7,307 8,251

Amortization expense 905 927 1,818 1,835

Trade refunds and charges, net (327) — (327) —

Restructuring and transformation costs 924 — 2,345 —

Costs related to exit and disposal activities 937 149 937 110

CEO transition costs — 1,362 — 1,362

Total adjustments 6,527 6,697 12,080 11,558

Non-GAAP income from operations $ 17,885 $ 11,666 $ 33,277 $ 21,058

Non-GAAP operating margin 12.0 % 8.6 % 11.5 % 8.1 %

Proto Labs, Inc.

Reconciliation of GAAP Net Income to EBITDA and Adjusted EBITDA

(In thousands)

(Unaudited)

Three Months Ended

June 30, Six Months Ended

June 30,

2026 2025 2026 2025

Revenue $ 149,341 $ 135,063 $ 288,677 $ 261,268

GAAP net income 9,152 4,427 17,263 8,026

GAAP net income margin 6.1 % 3.3 % 6.0 % 3.1 %

Add back:

Amortization expense $ 905 $ 927 $ 1,818 $ 1,835

Depreciation expense 7,183 7,643 14,343 15,429

Interest income, net (1,331) (1,143) (2,584) (2,251)

Provision for income taxes 3,451 2,247 6,657 4,633

EBITDA 19,360 14,101 37,497 27,672

EBITDA Margin 13.0 % 10.4 % 13.0 % 10.6 %

Add back:

Stock-based compensation expense 4,088 4,259 7,307 8,251

Unrealized loss (gain) on foreign currency 137 (179) 137 (314)

Trade refunds and charges, net (327) — (327) —

Restructuring and transformation costs 924 — 2,345 —

Costs related to exit and disposal activities 937 149 937 110

CEO transition costs — 1,362 — 1,362

Total adjustments 5,759 5,591 10,399 9,409

Adjusted EBITDA $ 25,119 $ 19,692 $ 47,896 $ 37,081

Adjusted EBITDA Margin 16.8 % 14.6 % 16.6 % 14.2 %

Proto Labs, Inc.

Comparison of GAAP to Non-GAAP Revenue Growth by Region

(In thousands)

(Unaudited)

Three Months Ended

June 30, 2026 Three Months Ended

June 30, 2025

Change2

% Change

Organic3

GAAP

Foreign

Currency1

Non-GAAP GAAP

Revenues

United States $ 122,759 $ — $ 122,759 $ 110,712 10.9 % 10.9 %

Europe 26,582 (447) 26,135 24,351 9.2 7.3

Total revenue $ 149,341 $ (447) $ 148,894 $ 135,063 10.6 % 10.2 %

Six Months Ended

June 30, 2026 Six Months Ended

June 30, 2025

Change2

% Change

Organic3

GAAP

Foreign

Currency1

Non-GAAP GAAP

Revenues

United States $ 234,886 $ — $ 234,886 $ 210,979 11.3 % 11.3 %

Europe 53,791 (2,604) 51,187 50,289 7.0 1.8

Total revenue $ 288,677 $ (2,604) $ 286,073 $ 261,268 10.5 % 9.5 %

1Revenue for the three and six months ended June 30, 2026 has been recalculated using 2025 foreign currency exchange rates in effect during comparable periods to provide information useful in evaluating the underlying business trends excluding the impact of changes in foreign currency exchange rates.

2This column presents the percentage change from GAAP revenue for the three and six months ended June 30, 2025 to GAAP revenue for the three and six months ended June 30, 2026.

3This column presents the percentage change from GAAP revenue for the three and six months ended June 30, 2025 to non-GAAP revenue for the three and six months ended June 30, 2026 (as recalculated using the foreign currency exchange rates in effect during the three and six months ended June 30, 2025) in order to provide a constant-currency comparison.

Proto Labs, Inc.

Comparison of GAAP to Non-GAAP Revenue Growth by Product Line

(In thousands)

(Unaudited)

Three Months Ended

June 30, 2026 Three Months Ended

June 30, 2025

Change2

% Change

Organic3

GAAP

Foreign

Currency1

Non-GAAP GAAP

Revenues

Injection Molding $ 53,625 $ (89) $ 53,536 $ 47,415 13.1 % 12.9 %

CNC Machining 70,360 (318) 70,042 61,945 13.6 13.1

3D Printing 20,667 (30) 20,637 21,215 (2.6) (2.7)

Sheet Metal 4,462 (8) 4,454 4,303 3.7 3.5

Other Revenue 227 (2) 225 185 22.7 21.6

Total revenue $ 149,341 $ (447) $ 148,894 $ 135,063 10.6 % 10.2 %

Six Months Ended

June 30, 2026 Six Months Ended

June 30, 2025

Change2

% Change

Organic3

GAAP

Foreign

Currency1

Non-GAAP GAAP

Revenues

Injection Molding $ 104,693 $ (720) $ 103,973 $ 96,138 8.9 % 8.1 %

CNC Machining 133,605 (1,432) 132,173 114,788 16.4 15.1

3D Printing 41,132 (398) 40,734 41,409 (0.7) (1.6)

Sheet Metal 8,813 (50) 8,763 8,514 3.5 2.9

Other Revenue 434 (4) 430 419 3.6 2.6

Total revenue $ 288,677 $ (2,604) $ 286,073 $ 261,268 10.5 % 9.5 %

2This column presents the percentage change from GAAP revenue for the three and six months ended June 30, 2025 to GAAP revenue for the three and six months ended June 30, 2026.

Proto Labs, Inc.

Customer Contact Information

(In thousands, except customer contacts and per customer contact amounts)

(Unaudited)

Three Months Ended

June 30, Six Months Ended

June 30,

2026 2025 2026 2025

Revenue $ 149,341 $ 135,063 $ 288,677 $ 261,268

Customer contacts 20,630 21,775 31,069 33,136

Revenue per customer contact1

$ 7,239 $ 6,203 $ 9,291 $ 7,885

1Revenue per customer contact is calculated using the revenue recognized during the respective period divided by the actual number of customer contacts served during the same period. Customer contacts are product developers, engineers, procurement and supply chain professionals and other individuals who place an order, and that order is shipped and invoiced during the period. The Company believes revenue per customer contact is useful to investors in evaluating the underlying business trends and ongoing operating performance of the Company.

Proto Labs, Inc.

Reconciliation of GAAP to Non-GAAP Guidance

(Unaudited)

Q3 2026 Outlook

Low High

GAAP diluted net income per share $ 0.34 $ 0.42

Add back:

Stock-based compensation expense 0.19 0.19

Amortization expense 0.03 0.03

Total adjustments 0.22 0.22

Non-GAAP diluted net income per share $ 0.56 $ 0.64

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Jul. 31, 2026

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Document Type

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Document Period End Date

Jul. 31, 2026

Entity Registrant Name

Proto Labs, Inc.

Entity Incorporation, State or Country Code

Entity File Number

001-35435

Entity Tax Identification Number

41-1939628

Entity Address, Address Line One

5540 Pioneer Creek Drive

Entity Address, City or Town

Maple Plain

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Entity Address, Postal Zip Code

55359

City Area Code

(763)

Local Phone Number

479-3680

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Area code of city

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No definition available.

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Cover page.

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No definition available.

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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No definition available.

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- Definition

Address Line 1 such as Attn, Building Name, Street Name

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Name of the City or Town

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Code for the postal or zip code

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Name of the state or province.

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- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

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- Definition

Indicate if registrant meets the emerging growth company criteria.

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-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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No definition available.

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Two-character EDGAR code representing the state or country of incorporation.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

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The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

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Local phone number for entity.

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- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 13e

-Subsection 4c

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14d

-Subsection 2b

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- Definition

Title of a 12(b) registered security.

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-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b

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- Definition

Name of the Exchange on which a security is registered.

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-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection d1-1

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

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- Definition

Trading symbol of an instrument as listed on an exchange.

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- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

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