| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For SEIC | |||||
| 2026-05-04 | Mccarthy, Kathryn | Director | Sold | 10000 | $91.07 |
| 2026-05-04 | Mccarthy, Kathryn | Director | Purchased | 5000 | $49.63 |
| 2026-05-04 | Mccarthy, Kathryn | Director | Sold | 5000 | $0.00 |
| 2026-04-28 | Warner, Mark Andrew | In Remarks | Sold | 2000 | $0.00 |
| 2026-04-28 | Warner, Mark Andrew | In Remarks | Purchased | 4000 | $48.47 |
| 2026-04-28 | Warner, Mark Andrew | In Remarks | Sold | 4000 | $91.16 |
| 2026-04-23 | Peterson, Michael | EXECUTIVE VICE PRESIDENT | Purchased | 10000 | $48.47 |
| 2026-04-23 | Peterson, Michael | EXECUTIVE VICE PRESIDENT | Sold | 10000 | $90.00 |
| 2026-04-23 | Mccabe, Philip | See Remarks | Sold | 15000 | $91.82 |
| 2026-04-23 | Sharma, Sanjay | See Remarks* | Purchased | 12500 | $49.63 |
| 2026-04-23 | Sharma, Sanjay | See Remarks* | Sold | 23441 | $90.08 |
| 2026-04-23 | Sharma, Sanjay | See Remarks* | Sold | 1559 | $90.73 |
| 2026-04-23 | Sharma, Sanjay | See Remarks* | Sold | 12500 | $0.00 |
| 2026-04-23 | Peterson, Michael | EXECUTIVE VICE PRESIDENT | Sold | 10000 | $0.00 |
| 2026-03-31 | Hicke, Ryan | Director, CHIEF EXECUTIVE OFFICER | Sold | 4349 | $77.21 |
| 2026-03-18 | Denham, Sean | Executive VP, CFO, COO | Sold | 7673 | $78.77 |
| 2026-03-11 | West, Alfred P Jr | Chairman Emeritus | Sold | 1371 | $79.94 |
| 2026-03-11 | West, Alfred P Jr | Chairman Emeritus | Sold | 6076 | $79.11 |
| 2026-03-10 | West, Alfred P Jr | Chairman Emeritus | Sold | 25391 | $79.97 |
| 2026-03-10 | West, Alfred P Jr | Chairman Emeritus | Sold | 178 | $78.88 |