Welcome to our dedicated page for Proto Labs SEC filings (Ticker: PRLB), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Proto Labs, Inc. filings document the regulatory record for an NYSE-listed digital manufacturing company that produces custom parts for prototyping, testing, bridge production, short-run production, and end-use applications. Its SEC disclosures cover operating results, revenue by service activity, non-GAAP measures, cash-flow commentary, and business updates related to CNC machining, digital platforms, and manufacturing capacity.
PRLB filings also include Form 8-K material-event reports for earnings releases and executive leadership changes, amendments to previously furnished results information, and proxy materials covering board matters, executive compensation, equity awards, shareholder voting items, and governance. The company’s filings identify its common stock under the PRLB ticker on the New York Stock Exchange.
Proto Labs Inc (PRLB) announced that it has appointed Sam Ramahi as Chief Operations Officer, effective August 31, 2026. Ramahi will lead global operations, supply chain, quality, sourcing, and continuous improvement, reporting to President and Chief Executive Officer Suresh Krishna, who will retain ultimate oversight of operations.
The company highlights Ramahi’s more than 25 years of executive operational leadership across global industrial and manufacturing businesses, including prior roles at SIG Group, Jacuzzi Group, nVent, Eaton, Cooper Industries, Honeywell, and GE Healthcare. A related press release is furnished as Exhibit 99.1 and treated as non-filed information under the Exchange Act.
Disciplined Growth Investors, Inc. reports its ownership position in Proto Labs Inc common stock. The firm beneficially owns 2,380,514 shares of Proto Labs common stock, representing 10.0% of the class as of June 30, 2026.
Disciplined Growth Investors has sole power to vote 2,244,845 shares and sole power to dispose of 2,380,514 shares, with no shared voting or dispositive power reported. The filing lists Disciplined Growth Investors’ principal business office in Minneapolis, Minnesota.
Proto Labs, Inc. (PRLB) reports a planned sale of common stock by shareholder Michael R. Kenison. The filing lists 10,753 shares of common stock to be sold through Morgan Stanley Smith Barney LLC on the NYSE, with an indicated value of $947,786.62. It also details prior acquisitions from restricted stock vesting and purchases under an employee stock purchase plan, as well as common stock sales during the past three months.
Proto Labs, Inc. reported stronger results for the quarter and six months ended June 30, 2026. Second‑quarter revenue was $149,341 (in thousands), up 10.6% year over year, with net income of $9,152 (in thousands) and diluted EPS of $0.37, up from $0.18 a year earlier.
Growth was led by CNC Machining and Injection Molding, while 3D Printing revenue declined slightly. Gross margin improved to 46.4% from 44.3%, and revenue per customer contact rose 16.7% even as contacts fell 5.3%. For the first half of 2026, revenue reached $288,677 (in thousands) and net income $17,263 (in thousands). Operating cash flow increased to $32,978 (in thousands), and cash and cash equivalents were $127,918 (in thousands) at June 30, 2026, alongside ongoing share repurchases and restructuring and German facility exit costs recorded in 2026.
Proto Labs, Inc. reported record revenue of $149.3 million for the quarter ended June 30, 2026, a 10.6% increase over the second quarter of 2025, driven by double-digit growth in CNC machining and injection molding. GAAP diluted EPS was $0.37 and non-GAAP diluted EPS was $0.60.
Profitability improved, with GAAP gross margin rising to 46.4% and GAAP operating margin to 7.6%, while non-GAAP operating margin reached 12.0%. Adjusted EBITDA was $25.1 million, or 16.8% of revenue. Cash and investments totaled $162.9 million, supported by $15.4 million of cash generated from operations in the quarter.
Management raised full-year 2026 revenue growth guidance from 6%–8% to 8%–10%. For the third quarter of 2026, the company expects revenue between $145.0 million and $153.0 million, with GAAP diluted EPS of $0.34–$0.42 and non-GAAP diluted EPS of $0.56–$0.64.
Dimensional Fund Advisors LP filed an amended Schedule 13G reporting beneficial ownership, for Section 13(d) purposes, of 1,152,305 shares of Proto Labs Inc common stock, representing 4.8% of the class.
Dimensional reports sole voting power over 1,127,056 shares and sole dispositive power over all 1,152,305 shares, with no shared voting or dispositive power. The shares are held by underlying funds and accounts, and Dimensional disclaims beneficial ownership beyond its advisory role.
Proto Labs Inc director Sven Wehrwein reported selling a total of 2,000 shares of common stock in open-market transactions on June 2, 2026. The shares were sold in two blocks: 500 shares at $78.38 per share and 1,500 shares at a weighted average price of $76.9067 per share. He continues to hold more than 32,000 shares directly after these sales, indicating this was a relatively small portion of his overall reported holdings.
Proto Labs Inc President and CEO Krishna Suresh reported a tax-related share disposition. On May 23, 2026, 1,247 shares of Common Stock were used in a tax-withholding disposition at $71.36 per share, a method of paying tax liability with shares rather than cash. After this non‑market transaction, Suresh directly holds 30,147 shares of Proto Labs common stock.
Proto Labs Inc Chief Financial Officer Daniel Schumacher reported a routine tax-related share disposition. On May 20, 2026, 255 shares of Common Stock were withheld at $71.13 per share to cover tax obligations, leaving him with 45,019 directly held shares.