| Anderson Edward T +6 co-filers10% owner, Director, Director, 10% owner · 2 transactions | — | 5.99Mas of Feb 2012 | — | 430.0K | — |
| Anderson Edward T +5 co-filers10% owner · 4 transactions | — | 3.41M†as of Feb 2013 | — | — | 1.42M |
| Kingsley Douglas ADirector · 3 transactions | — | 2.01M†as of Feb 2013 | — | — | 1.42M |
| Lukis Lawrence JReporting owner · 8 transactions | — | 1.88Mas of Feb 2016 | — | — | 3.92M |
| Protomold Investment Company, LLC10% owner · 1 transaction | — | 1.73Mas of Aug 2012 | — | — | — |
| Kubicek Mark R.Executive Vice President · 9 transactions | — | 145.0Kas of Oct 2012 | 105.0K | — | 65.0K |
| Bodor RobertPresident and CEO · 51 transactions | — | 108.6Kas of Feb 2025 | 163.2K | 6.6K | 47.0K |
| Holt Victoria MPresident and CEO, Director · 28 transactions | — | 77.4Kas of Feb 2021 | 95.3K | 5.1K | 38.9K |
| Loftus Margaret ADirector · 10 transactions | — | 66.0Kas of Mar 2014 | 102.0K | — | 85.0K |
| Cleveland Bradley A.CEO, Director · 91 transactions | — | 65.0K†as of May 2014 | 798 | — | 1.41M |
| Judd John RCFO & Principal Accounting Off · 19 transactions | — | 47.9Kas of Jul 2014 | 177.2K | — | 176.3K |
| Gawlick RainerDirector · 39 transactions | — | 46.1K | 69.5K | 1.7K | 31.7K |
| Schumacher DanielChief Financial Officer · 23 transactions | — | 45.0K | 56.3K | — | — |
| Baker Arthur R. IIIChief Technology Officer · 29 transactions | — | 35.3Kas of Feb 2022 | 39.9K | 13.0K | 14.6K |
| Ryaboy OlegChief Technology Officer · 7 transactions | — | 35.3Kas of Feb 2025 | 37.7K | — | — |
| Way JohnChief Financial Officer · 27 transactions | — | 33.7Kas of Feb 2021 | 60.3K | — | 27.9K |
| Wehrwein SvenDirector · 21 transactions | — | 32.5K | 38.8K | — | 9.8K |
| Kenison Michael R.Chief Operations Officer · 34 transactions | — | 30.7K | 57.7K | — | 34.2K |
| Krishna SureshPresident and CEO, Director · 4 transactions | — | 30.1K | 29.7K | 1.7K | — |
| Black Archie C.Director · 12 transactions | — | 28.4K | 28.4K | — | — |
| Krantz Donald GDirector · 51 transactions | — | 26.9K | 254.5K | — | 219.1K |
| Chand SujeetDirector · 11 transactions | — | 26.9K | 26.9K | — | — |
| Schneider Jacqueline D.Vice President Global Sales · 46 transactions | — | 24.8Kas of Apr 2016 | 197.7K | — | 193.3K |
| Tumelty John B.VP/GM & Managing Director-EMEA · 53 transactions | — | 23.5Kas of Nov 2017 | 153.7K | — | 249.2K |
| Klaas BjoernVP and Mng Director-PL Europe · 14 transactions | — | 23.0Kas of Feb 2024 | 23.4K | — | — |
| Chin MoonhieDirector · 8 transactions | — | 22.3K | 22.3K | — | — |
| Greiner StacyDirector · 6 transactions | — | 19.6Kas of May 2025 | 19.6K | — | — |
| Goodman John BDirector · 59 transactions | — | 14.1Kas of May 2021 | 48.3K | — | 33.8K |
| Fein David MChief Revenue Officer · 6 transactions | — | 12.0Kas of Feb 2019 | 13.0K | — | — |
| Langton William R.EVP of Finance · 2 transactions | — | 8.3Kas of Oct 2012 | 8.3K | — | 8.3K |
| Kermisch MarcChief Technology & AI Officer · 2 transactions | — | 6.5K | 6.5K | — | — |
| Smith Brian KDirector · 17 transactions | — | 4.8Kas of May 2016 | 2.5K | 1.6K | 294.3K |
| Kohrs Douglas WDirector · 2 transactions | — | 4.1Kas of May 2014 | 4.1K | — | — |
| Parlange BernardoChief Commercial Officer · 1 transaction | — | 2.1K | 2.1K | — | — |
| Bolton Edward E.Vice President, Culture · 5 transactions | — | 1.8Kas of May 2013 | 11.4K | 900 | 11.6K |
| Dietrick William M.Vice President of Marketing · 8 transactions | — | 1.4K†as of Feb 2013 | 40.0K | — | 40.0K |
| Blodgett Matthew CDirector · 2 transactions | — | 1.1Kas of Jul 2013 | — | — | — |
| Gawlick RanierDirector · 1 transaction | — | 0as of Feb 2012 | 6.3K | — | — |