| Roth Ronald GDirector, 10% owner · 285 transactions | — | 1.46M† | 52.0K | 1.05M | 125.0K |
| Jain Anil K10% owner · 87 transactions | — | 1.16Mas of May 2009 | — | — | 503.5K |
| Clearfield, Inc.Chief Executive Officer, Director · 1 transaction | — | 560.0Kas of Aug 2019 | — | — | — |
| Beranek Cheryl PChief Executive Officer, Director · 22 transactions | — | 539.0Kas of Aug 2015 | 519.3K | — | 42.2K |
| Beranek CherylChief Executive Officer, Director · 86 transactions | — | 494.5K | 235.0K | — | 172.5K |
| Hill John PChief Operating Officer · 111 transactions | — | 192.2K | 547.3K | — | 240.9K |
| Hayssen Charles NDirector · 56 transactions | — | 142.3Kas of Feb 2025 | 27.0K | 160.0K | 44.6K |
| Herzog Daniel RChief Financial Officer · 101 transactions | — | 85.1K | 215.2K | 4.4K | 40.5K |
| Beranek Cheri PodzimekPresident and CEO, Director · 3 transactions | — | 69.0Kas of Jun 2011 | 39.0K | — | — |
| Goepel PatrickDirector · 30 transactions | — | 43.4Kas of Feb 2024 | 10.0K | 10.3K | 76.9K |
| Zuckerman Stephen LDirector · 18 transactions | — | 30.8Kas of Feb 2016 | 33.8K | — | 15.0K |
| Reddan John G JrDirector · 21 transactions | — | 30.0Kas of Nov 2015 | 28.9K | 8.0K | 5.0K |
| Harding Roger GDirector · 28 transactions | — | 30.0Kas of Mar 2024 | 20.8K | 12.7K | 16.0K |
| Podzimek Cheri BPRESIDENT & CEO, Director · 11 transactions | — | 30.0Kas of Aug 2008 | — | 30.0K | — |
| Khemakhem AnisChief Commercial Officer · 3 transactions | — | 25.1K | 131 | — | 1.7K |
| Hayward Donald R.Director · 32 transactions | — | 10.9K | 34.5K | 6.2K | 29.8K |
| Wirsbinski Carol AnnDirector · 8 transactions | — | 9.6K | 8.6K | 1.1K | — |
| Jones Walter Louis JRDirector · 11 transactions | — | 8.7K | 8.6K | 2.5K | 2.4K |
| Blackey Bruce G.Chief Financial Officer · 9 transactions | — | 5.6Kas of Feb 2011 | 3.6K | 4.0K | 2.0K |
| Kelly Catherine T.Director · 3 transactions | — | 5.3K | 5.3K | — | — |
| Sarcevic AdemirDirector · 3 transactions | — | 5.3K | 5.3K | — | — |
| Skarvan KathleenDirector · 2 transactions | — | 2.9K | 2.9K | — | — |
| Seidel RebeccaDirector · 2 transactions | — | 2.9K | 2.9K | — | — |