Alfred P. West Jr.
Executive Chairman at SEI Investments Company
Sits on 1 board. Last updated September 27, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: SEI Investments Company, 3 years.
SEI Investments Company
Director · Executive Chairman
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 29, 2026 | SEI Investments Company | Open-market sale | −5,652 | $87.18 | $492,741 |
| Jun 29, 2026 | SEI Investments Company | Open-market sale | −1,680 | $88.09 | $147,991 |
| Jun 26, 2026 | SEI Investments Company | Open-market sale | −46,162 | $87.21 | $4,025,788 |
| Jun 26, 2026 | SEI Investments Company | Open-market sale | −3,838 | $87.67 | $336,477 |
| Mar 11, 2026 | SEI Investments Company | Open-market sale | −6,076 | $79.11 | $480,672 |
| Mar 11, 2026 | SEI Investments Company | Open-market sale | −1,371 | $79.94 | $109,598 |
| Mar 10, 2026 | SEI Investments Company | Open-market sale | −178 | $78.88 | $14,041 |
| Mar 10, 2026 | SEI Investments Company | Open-market sale | −25,391 | $79.97 | $2,030,518 |
| Mar 10, 2026 | SEI Investments Company | Open-market sale | −29,431 | $80.47 | $2,368,313 |
| Jan 1, 2026 | SEI Investments Company | Shares withheld for tax | −3,482 | $82.02 | $285,594 |
| Dec 5, 2025 | SEI Investments Company | Shares withheld for tax | −1,100 | $81.25 | $89,375 |
| Dec 3, 2025 | SEI Investments Company | Option exercise | +30,000 | $53.34 | $1,600,200 |
| Dec 3, 2025 | SEI Investments Company | Open-market sale | −24,770 | $80.87 | $2,003,150 |
| May 29, 2025 | SEI Investments Company | Open-market sale | −64,498 | $84.26 | $5,434,601 |
| May 29, 2025 | SEI Investments Company | Open-market sale | −1,628 | $85.21 | $138,722 |
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