List of insiders holdings for SEI INVESTMENTS CO:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | WEST ALFRED P JR Executive Chairman | 2025-12-05 17:57:15 | 6,942,812 0 | 6,942,812 | Form 4 |
| 2 | SMITH THOMAS W Director | 2010-02-16 11:51:39 | 2,946,356 0 | 2,946,356 | Form 13G |
| 3 | ROMEO CARMEN Director | 2025-11-12 11:20:33 | 1,573,527 0 | 1,573,527 | Form 4 |
| 4 | ZIMMER KEN Senior Vice President | 2005-02-14 16:17:37 | 687,563 65,034 | 752,597 | Form 5 |
| 5 | DORAN WILLIAM Director | 2025-11-18 12:48:08 | 628,536 0 | 628,536 | Form 4 |
| 6 | MCGONIGLE DENNIS EVP, CFO | 2023-09-01 11:19:10 | 594,163 0 | 594,163 | Form 4 |
| 7 | CIPRIANO JAMES Executive Vice President | 2024-03-28 10:11:36 | 227,797 10,768 | 238,565 | Form 3 |
| 8 | ROBINS KEVIN P Senior Vice President | 2005-02-14 15:41:04 | 200,592 8,131 | 208,723 | Form 5 |
| 9 | Barr Kevin Executive Vice President | 2022-12-12 17:10:16 | 204,741 0 | 204,741 | Form 4 |
| 10 | VASSALLUZZO SCOTT J PRESCOTT INVESTORS PROFIT SHARING TRUST Member of Section 13(d) Group 10% Owner | 2005-12-16 14:13:03 | 0 199,100 | 199,100 | Form 4 |
| 11 | Hicke Ryan CHIEF EXECUTIVE OFFICER | 2025-08-20 16:46:27 | 171,260 14,687 | 185,947 | Form 4 |
| 12 | CRUDUP ROBERT EXECUTIVE VICE PRESIDENT | 2018-03-08 15:55:29 | 177,500 0 | 177,500 | Form 4 |
| 13 | LIEB RICHARD Director | 2015-12-28 13:32:57 | 127,128 0 | 127,128 | Form 4 |
| 14 | LOUGHLIN EDWARD EXECUTIVE VICE PRESIDENT | 2015-04-30 21:40:20 | 106,000 0 | 106,000 | Form 4 |
| 15 | WITHROW WAYNE EXECUTIVE VICE PRESIDENT | 2024-02-09 10:30:31 | 77,899 0 | 77,899 | Form 4 |
| 16 | MCCARTHY KATHRYN Director | 2025-09-29 16:18:38 | 75,641 0 | 75,641 | Form 4 |
| 17 | Dasher Karl Executive Vice President | 2008-04-04 17:44:25 | 67,140 0 | 67,140 | Form 4 |
| 18 | McCabe Philip See Remarks | 2025-12-08 16:20:22 | 62,544 2,442 | 64,986 | Form 4 |
| 19 | Denham Sean Executive Vice President, CFO | 2025-03-19 15:40:02 | 52,177 0 | 52,177 | Form 4 |
| 20 | Ujobai Joseph P EXECUTIVE VICE PRESIDENT | 2018-09-13 10:54:43 | 12,540 30,213 | 42,753 | Form 4 |
| 21 | Klauder N Jeffrey EXECUTIVE VICE PRESIDENT | 2018-05-14 11:08:49 | 42,194 0 | 42,194 | Form 4 |
| 22 | KLAUDER PAUL EXECUTIVE VICE PRESIDENT | 2024-03-28 10:42:45 | 20,752 14,078 | 34,830 | Form 4 |
| 23 | LANE MICHAEL Executive Vice President | 2025-09-17 10:07:36 | 33,065 154.55 | 33,220 | Form 4 |
| 24 | Sharma Sanjay See Remarks* | 2025-05-16 08:56:34 | 23,895 2,369 | 26,264 | Form 4 |
| 25 | Meyer Stephen EXECUTIVE VICE PRESIDENT | 2021-12-14 13:51:35 | 25,000 0 | 25,000 | Form 4 |
| 26 | NAGLE MARK Senior Vice President | 2004-12-16 16:36:46 | 25,000 0 | 25,000 | Form 4 |
| 27 | BLUMENSTEIN SARAH Director | 2023-02-22 17:47:44 | 18,947 0 | 18,947 | Form 4 |
| 28 | GUARINO CARL Director | 2025-09-24 17:53:15 | 16,042 0 | 16,042 | Form 4 |
| 29 | HEILIG KATHY Treasurer | 2022-11-21 21:05:49 | 14,291 0 | 14,291 | Form 4 |
| 30 | Peterson Michael EXECUTIVE VICE PRESIDENT | 2025-11-13 14:21:10 | 13,500 0 | 13,500 | Form 4 |
| 31 | PORTER HENRY Director | 2009-12-17 12:05:04 | 10,000 0 | 10,000 | Form 4 |
| 32 | SAMUELS MARK Senior Vice President | 2005-02-14 15:45:40 | 0 9,813 | 9,813 | Form 5 |
| 33 | Brassington Jonathan Director | 2024-12-16 10:44:49 | 3,941 0 | 3,941 | Form 4 |
| 34 | MILLER STEPHANIE D. Director | 2024-12-16 10:36:30 | 3,941 0 | 3,941 | Form 4 |
| 35 | Tschirgi Judith Senior Vice President | 2005-02-14 15:49:14 | 2,469 0 | 2,469 | Form 5 |
| 36 | Naratil Thomas C. Director | 2025-07-24 12:39:44 | 2,076 0 | 2,076 | Form 4 |
| 37 | Risi Karin A. Director | 2025-07-24 12:12:12 | 2,076 0 | 2,076 | Form 4 |
| 38 | Warner Mark Andrew See Remarks | 2025-07-30 15:26:04 | 1,300 0 | 1,300 | Form 4 |
| 39 | Ross Howard D Director | 2008-08-19 11:24:10 | 0 0 | 0 | Form 4 |