Rubicon Project, INC.
SEC CIK 1595974 · RUBI · last insider filing 2026-06-18
Directors (from insider filings)
| Name | Capacity as filed | Filings |
|---|---|---|
| Barrett Michael G. | Director · President and CEO | filed 2017 - 2026 |
| Knopper Douglas S | Director | filed 2020 - 2026 |
| Rossman James | Director | filed 2020 - 2026 |
| Caine Paul | Director | filed 2020 - 2026 |
| Pearson David T. | Director | filed 2022 - 2026 |
| Lam Rachel | Director | filed 2020 - 2026 |
| Spillane Robert F | Director | filed 2014 - 2026 |
| Harden Sarah Patricia | Director | filed 2019 - 2026 |
| Yu Diane | Director | filed 2022 - 2026 |
| Frankenberg Robert J | Director | filed 2014 - 2023 |
| Troe Lisa L | Director | filed 2014 - 2023 |
| Coleman Lewis W | Director | filed 2015 - 2020 |
| Addante Frank | Director · See remarks | filed 2014 - 2020 |
| Mandal Sumant | Director | filed 2014 - 2019 |
| Raifman Gregory R | Director · President | filed 2014 - 2017 |
| Mohn Jarl | Director | filed 2014 - 2014 |
Officers (from insider filings)
| Name | Title as filed | Filings |
|---|---|---|
| Buckley Sean Patrick | See Remarks | filed 2021 - 2026 |
| Buonasera David | Chief Technology Officer | filed 2023 - 2026 |
| Day David | Chief Financial Officer | filed 2014 - 2026 |
| Evans Katie Seitz | President, Operations | filed 2020 - 2026 |
| Gephart Brian | Chief Accounting Officer | filed 2021 - 2026 |
| Saltz Aaron | General Counsel & Secy | filed 2020 - 2026 |
| Soroca Adam Lee | Head of Global Buyer Team | filed 2017 - 2026 |
| Dove James Allen | Chief Technology Officer | filed 2021 - 2022 |
| Prusz Joseph R | Global Chief Revenue Officer | filed 2017 - 2022 |
| Kershaw Thomas | See remarks | filed 2016 - 2021 |
| Hughes Shawna | Chief Accounting Officer | filed 2020 - 2021 |
| Filip Eve | See remarks | filed 2018 - 2020 |
| Tuller Blima | Chief Accounting Officer | filed 2017 - 2020 |
| Zagorski Mark | President & COO | filed 2020 - 2020 |
| Feldman Jonathan | Co-General Counsel & Secretary | filed 2018 - 2020 |
| Copple Brian William | General Counsel and Secretary | filed 2014 - 2018 |
| Patz Harry Jr | Chief Revenue Officer | filed 2016 - 2017 |
| Richter James Neal | Chief Technology Officer | filed 2016 - 2016 |
| Tappin Todd L | CFO & COO | filed 2014 - 2016 |
About this record
From the SEC's insider-transaction filings (Forms 3, 4 and 5). Every reporting director and officer carries a Commission-assigned identifier (CIK), so these footprints are identifier-verified - no name matching involved. Insiders file when they transact, so dates are filing dates: "last filed" never means "served until". This layer is not yet joined to the nonprofit register - identity joins ship only after independent review.
Source: SEC Insider Transactions Data Sets (Forms 3/4/5), US Federal Government public domain.