SEI INVESTMENTS CO
SEIC
DELAYED 1 MONTH
7 insider filings · Latest: Jul 28, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 28, 2026 | Jul 30 8:06 PM | Mark Andrew WarnerTitle: Chief Accounting Officer and Controller | Sale | 15,000 | $102.35 | $1.5M | 921(D) | View → |
| Jul 28, 2026 | Jul 30 8:06 PM | Michael PetersonExecutive Vice President | Sale | 25,000 | $102.05 | $2.6M | 20,148(D) | View → |
| Jul 28, 2026 | Jul 30 8:05 PM | Carl GuarinoDirector | Sale | 10,000 | $103.20 | $1.0M | 18,308(D) | View → |
| Jun 9, 2026 | Jun 11 2:23 PM | William DoranDirector | Sale | 5,000 | $90.50 | $452.5K | 618,802(D) | View → |
| May 4, 2026 | May 5 1:14 PM | Kathryn MccarthyDirector | Sale | 10,000 | $91.07 | $910.7K | 77,883(D) | View → |
| Apr 28, 2026 | Apr 30 3:35 PM | Mark Andrew WarnerIn Remarks | Sale | 4,000 | $91.16 | $364.6K | 921(D) | View → |
| Mar 11, 2026 | Mar 12 2:13 PM | Alfred P West JROther | Sale | 7,447 | $79.26 | $590.3K | 6,875,783(D) | View → |
| Mar 10, 2026 | Mar 12 2:13 PM | Alfred P West JROther | Sale | 55,000 | $80.23 | $4.4M | 6,883,230(D) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jul 28, 2026 | Jul 30 8:06 PM | Mark Andrew WarnerTitle: Chief Accounting Officer and Controller | Option Exercise | 15,000 | $64.43 | 0(D) | View → |
| Jul 28, 2026 | Jul 30 8:06 PM | Michael PetersonExecutive Vice President | Option Exercise | 25,000 | $55.73 | 0(D) | View → |
| Jul 28, 2026 | Jul 30 8:05 PM | Carl GuarinoDirector | Option Exercise | 10,000 | $49.63 | 0(D) | View → |
| May 4, 2026 | May 5 1:14 PM | Kathryn MccarthyDirector | Option Exercise | 10,000 | $49.63 | 0(D) | View → |
| Apr 28, 2026 | Apr 30 3:35 PM | Mark Andrew WarnerIn Remarks | Option Exercise | 4,000 | $48.47 | 0(D) | View → |