Proto Labs, Inc. filed a Form 8-K with the SEC on August 24, 2026, disclosing via a Regulation FD press release the appointment of Sam Ramahi as Chief Operations Officer, effective August 31, 2026.

Key Highlights

  • New COO appointed: Sam Ramahi has been named Chief Operations Officer of Proto Labs, Inc.
  • Effective date: The appointment takes effect August 31, 2026, according to the filing.
  • Announcement date: Proto Labs issued the press release on August 24, 2026.
  • Signed by CFO: The filing was signed by Daniel Schumacher, Chief Financial Officer, on behalf of the registrant.
  • Disclosure classification: The filing states the information is furnished under Regulation FD and is not deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934.

Proto Labs Discloses COO Appointment Under Regulation FD

Proto Labs, Inc. (NYSE:PRLB), a Minnesota-incorporated manufacturer headquartered at 5540 Pioneer Creek Drive, Maple Plain, Minnesota, reported the appointment of Sam Ramahi as its new Chief Operations Officer in a current report filed August 24, 2026. According to the filing, the appointment becomes effective August 31, 2026, and was communicated to the public through a press release attached to the filing as Exhibit 99.1.

The disclosure was made under Item 7.01, Regulation FD Disclosure, of Form 8-K. The filing notes, consistent with General Instruction B.2 of Form 8-K, that the information in Item 7.01, including the attached press release, "shall not be deemed to be 'filed' for purposes of Section 18 of the Securities Exchange Act of 1934" and "shall not be incorporated by reference into any registration statement or other document" unless expressly set forth by specific reference. No additional details about Ramahi's background or compensation were included in the body of the 8-K itself.

The filing was signed by Daniel Schumacher, identified as Chief Financial Officer, on August 24, 2026. Proto Labs common stock carries a par value of $0.001 per share and is listed on the New York Stock Exchange under the trading symbol PRLB, as stated in the filing's registered-securities table.

What Was Disclosed

Proto Labs filed an 8-K on August 24, 2026, disclosing the appointment of Sam Ramahi as Chief Operations Officer, effective August 31, 2026. The announcement was furnished under Regulation FD and accompanied by a press release as Exhibit 99.1.