SEI INVESTMENTS CO (SEIC) has 629 open-market insider trades by 26 insiders since 2005. Over the last six months insiders net sold $35.2M. The most active filer is Alfred P. West Jr..
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Alfred P. West Jr. | — | — | 164 | $676.6M | 2026-09-30 |
| Dennis McGonigle | CFOVP | — | 34 | $38.6M | 2023-08-30 |
| Wayne Withrow | PresVP | — | 63 | $35.1M | 2024-02-07 |
| Joseph P. Ujobai | PresVP | — | 35 | $28.4M | 2018-09-12 |
| N. Jeffrey Klauder | PresVP | — | 37 | $25.7M | 2018-03-13 |
| Michael Peterson | PresVP | — | 12 | $22.9M | 2026-08-28 |
| Edward Loughlin | PresVP | — | 9 | $22.5M | 2015-04-29 |
| William Doran | Dir | — | 33 | $21.7M | 2026-06-09 |
| Stephen Meyer | PresVP | — | 27 | $18.8M | 2021-11-26 |
| Ryan Hicke | CEO | — | 8 | $18.5M | 2026-09-03 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Alfred P. West Jr. | — | Sell | $3.5M | 2026-09-29 |
| Michael Lane | President & VP | Sell | $247K | 2026-09-22 |
| Ryan Hicke | CEO | Sell | $4.2M | 2026-09-03 |
| Carmen Romeo | Director | Sell | $549K | 2026-09-01 |
| Michael Peterson | President & VP | Sell | $4.2M | 2026-08-28 |
| Philip McCabe | — | Sell | $3.2M | 2026-08-04 |
Companies that share insiders with SEIC, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Kathryn McCarthy | Director | Sell | $1.0M | 2026-08-03 |
| Carl Guarino | Director | Sell | $1.0M | 2026-07-28 |
| Mark Andrew Warner | — | Sell | $1.5M | 2026-07-28 |
| Michael Peterson | President & VP | Sell | $2.6M | 2026-07-28 |
| Sanjay Sharma | — | Sell | $2.0M | 2026-07-24 |
| Alfred P. West Jr. | — | Sell | $5.0M | 2026-06-26 |
| William Doran | Director | Sell | $453K | 2026-06-09 |
| Kathryn McCarthy | Director | Sell | $911K | 2026-05-04 |
| Mark Andrew Warner | — | Sell | $365K | 2026-04-28 |