| Bram Craig CFormer Officer and Director · 107 transactions | — | 896.5K†as of Nov 2020 | 352.9K | 146.9K | 5.8K |
| Hutter Christopher GeraldDirector · 26 transactions | — | 394.8K† | 216.3K | 14.6K | 228.1K |
| Guy Henry LDirector · 53 transactions | — | 234.6K† | 62.0K | 179.9K | — |
| Wright Murray HDirector · 74 transactions | — | 230.1K†as of Dec 2019 | 26.8K | 77.6K | 215.8K |
| Lane James G JrDirector · 58 transactions | — | 222.0K†as of May 2011 | 35.4K | — | 170.0K |
| Braam Ronald HRetired CEO & former Director · 21 transactions | — | 150.4K†as of Jun 2011 | 66.2K | 1.0K | 16.4K |
| Matera RalphResigned as director 1/17/06 · 1 transaction | — | 144.3K†as of Jan 2006 | 549 | — | — |
| Schauerman John P.Director · 11 transactions | — | 97.6Kas of Jun 2025 | 44.0K | 53.6K | — |
| Loughran Dennis MSr. Vice President and CFO · 14 transactions | — | 84.0Kas of May 2020 | 65.8K | 12.5K | — |
| Terry James W JrDirector · 40 transactions | — | 82.0K†as of Mar 2020 | 19.4K | 19.0K | — |
| Kitchen John BryanChief Executive Officer · 15 transactions | — | 80.0K | 39.0K | 35.8K | — |
| J. Kyle PenningtonPresident of subsidiary · 20 transactions | — | 75.6K†as of Nov 2019 | 52.6K | 17.0K | 17.3K |
| Boling Michael DPresident of subsidiary · 11 transactions | — | 59.0K†as of Feb 2008 | 25.5K | — | 26.0K |
| Gibson James GFormer Executive of Subsidiary · 19 transactions | — | 54.1K†as of May 2021 | 59.4K | 2.0K | — |
| Fishburn Sibyl NDirector · 19 transactions | — | 53.9Kas of Jun 2011 | 11.6K | — | 10.0K |
| Bowie Gregory MCFO & Vice President · 13 transactions | — | 45.6K†as of Feb 2010 | 40.3K | — | 19.6K |
| Pan Anthony XVP, Sales & Bus. Development · 36 transactions | — | 44.5K† | 8.1K | 21.2K | — |
| Carter Cheryl CCorporate Secretary · 16 transactions | — | 41.7K†as of Mar 2016 | 39.0K | — | 2.0K |
| Gayner Susan SDirector · 5 transactions | — | 34.4Kas of Dec 2020 | 34.4K | — | — |
| Vinson Carroll DDirector · 18 transactions | — | 31.8Kas of Apr 2013 | 21.9K | — | 10.0K |
| White Vincent WDirector · 6 transactions | — | 27.4K†as of Sep 2016 | 5.6K | 17.8K | — |
| Kaczka JeffreyDirector · 6 transactions | — | 26.1K†as of Dec 2020 | 8.9K | 4.0K | — |
| Michtich Amy JDirector · 7 transactions | — | 23.8Kas of Dec 2020 | 23.8K | — | — |
| Tam Aaron MChief Financial Officer · 5 transactions | — | 23.8Kas of Feb 2022 | 23.2K | — | — |
| Srinivas Ravi RameshVP, Operations - Chemicals · 9 transactions | — | 21.5K | 7.4K | 16.0K | — |
| Callander Anthony ADirector · 9 transactions | — | 21.0Kas of May 2020 | 20.5K | 500 | — |
| Mazzaferro Aldo John JrDirector · 10 transactions | — | 18.4K | 16.4K | 2.3K | 1.5K |
| Lynch Timothy JExec VP - Synalloy Metals · 3 transactions | — | 16.3Kas of Feb 2022 | 10.6K | — | — |
| Sieradzki Richard DChief Accounting Officer · 5 transactions | — | 16.1K†as of Mar 2016 | 10.2K | — | — |
| Cunningham Sarah MVP Corporate Administration · 19 transactions | — | 15.7K†as of Mar 2021 | 30.8K | 5.7K | 8.4K |
| Kavalauskas RyanChief Financial Officer · 9 transactions | — | 14.4K | 17.5K | — | — |
| Tackett Glenn Douglas JrChief Legal Officer · 3 transactions | — | 11.1Kas of Feb 2022 | 7.1K | — | — |
| Padden MichaelDirector of IT · 14 transactions | — | 9.2K†as of Feb 2021 | 10.2K | — | 141 |
| Portnoy KimberlyGeneral Counsel · 5 transactions | — | 7.3K | 9.5K | — | — |
| Rosenzweig Benjamin LDirector · 14 transactions | — | 7.2K | 93.5K | 7.5K | — |
| Rohen JeremyDirector · 2 transactions | — | 6.9K | 6.9K | — | — |
| Shah Harshil VipulV.P. Business Operations · 5 transactions | — | 6.9K | 9.5K | — | — |
| Roberson Maria HaughtonPresident, ASTI · 5 transactions | — | 6.7Kas of Feb 2021 | 2.3K | 2.5K | — |
| Giannantonio Carmen JosephDirector · 2 transactions | — | 6.5K | 6.5K | — | — |
| Baroff StevenPresident, Specialty Pipe · 6 transactions | — | 5.9K†as of Feb 2021 | 15.1K | 2.0K | — |
| Blagg AmandaCorporate Controller · 4 transactions | — | 5.2K†as of Feb 2018 | 4.3K | — | — |
| Herring Kenneth Wayne JrV.P., Finance · 5 transactions | — | 4.5K | 6.0K | — | — |
| Zuppo John Robert IIIExec VP - Ascent Chemicals · 1 transaction | — | 3.5Kas of Jun 2023 | — | — | 957 |
| Campbell ChristopherDirector Compliance & Controls · 3 transactions | — | 2.7Kas of Feb 2018 | 2.8K | — | — |
| Burton Julie H.Corporate Controller · 1 transaction | — | 700as of Feb 2011 | 700 | — | — |
| Hrebenar Kevin RVice President, Subsidiary · 4 transactions | — | 170as of Feb 2015 | 1.2K | — | 1.6K |
| Levenson Ryan +2 co-filers10% owner, See explanation of responses · 50 transactions | — | 1as of Sep 2024 | — | 1.11M | 1.85M |
| Durham Nicole MChief Human Resources Officer · 1 transaction | — | 0as of Dec 2024 | — | 824 | — |
| Peay Robert AGeneral Counsel · 1 transaction | — | 0as of Oct 2012 | 700 | — | — |