WEST ALFRED P JR - Insider Non-Derivative Transactions at SEI INVESTMENTS CO (SEIC) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 5, 2025, WEST ALFRED P JR's relationship to SEI INVESTMENTS CO (SEIC) is Director,Officer (Executive Chairman), and currently has 6,941,712 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other SEIC insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
WEST ALFRED P JR - Insider Non-Derivative Transactions of SEIC Common Stock
WEST ALFRED P JR - Insider Non-Derivative Transactions at SEIC
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 6, 2025 | F -- (Common Stock) | 1100 | 81.25 | 6941712 |
| Dec 4, 2025 | Sell -- (Common Stock) | 24770 | 80.87 | 6942812 |
| Dec 4, 2025 | M -- (Common Stock) | 30000 | 53.34 | 6967582 |
| May 30, 2025 | Sell -- (Common Stock) | 1628 | 85.21 | 6937582 |
| May 30, 2025 | Sell -- (Common Stock) | 64498 | 84.26 | 6939210 |
| May 29, 2025 | Sell -- (Common Stock) | 75000 | 85.78 | 7003708 |
| Mar 6, 2025 | Sell -- (Common Stock) | 1372 | 76.28 | 7078708 |
| Mar 5, 2025 | Sell -- (Common Stock) | 13855 | 77.2 | 7080080 |
| Mar 5, 2025 | Sell -- (Common Stock) | 47718 | 76.49 | 7093935 |
| Mar 5, 2025 | Sell -- (Common Stock) | 18427 | 75.77 | 7141653 |
| Mar 4, 2025 | Sell -- (Common Stock) | 21616 | 80.3 | 7160080 |
| Mar 4, 2025 | Sell -- (Common Stock) | 19405 | 79.55 | 7181696 |
| Mar 4, 2025 | Sell -- (Common Stock) | 31821 | 78.82 | 7201101 |
| Dec 17, 2024 | Sell -- (Common Stock) | 3738 | 86.09 | 7232922 |
| Dec 17, 2024 | Sell -- (Common Stock) | 34672 | 85.34 | 7236660 |
| Dec 17, 2024 | Sell -- (Common Stock) | 13632 | 84.72 | 7271332 |
| Dec 14, 2024 | Sell -- (Common Stock) | 500 | 87.25 | 7284964 |
| Dec 14, 2024 | Sell -- (Common Stock) | 12703 | 86.22 | 7285464 |
| Dec 14, 2024 | Sell -- (Common Stock) | 80955 | 85.64 | 7298167 |
| Dec 13, 2024 | Acquisition -- (Common Stock) | 7600 | 0 | 7379122 |
| Dec 7, 2024 | Sell -- (Common Stock) | 5984 | 84.23 | 7371522 |
| Dec 5, 2024 | Sell -- (Common Stock) | 19010 | 82.49 | 7377506 |
| Dec 5, 2024 | M -- (Common Stock) | 35000 | 40.64 | 7396516 |
| Nov 12, 2024 | Sell -- (Common Stock) | 7099 | 80.81 | 7361516 |
| Nov 9, 2024 | Sell -- (Common Stock) | 100000 | 80.26 | 7368615 |
| Nov 8, 2024 | Sell -- (Common Stock) | 30000 | 80.24 | 7468615 |
| Aug 30, 2024 | Sell -- (Common Stock) | 5670 | 67.5 | 7498615 |
| Aug 29, 2024 | Sell -- (Common Stock) | 61000 | 67.36 | 7504285 |
| Aug 28, 2024 | Sell -- (Common Stock) | 40129 | 66.9 | 7565285 |
| Aug 27, 2024 | Sell -- (Common Stock) | 44163 | 67.55 | 7605414 |
| Aug 24, 2024 | Sell -- (Common Stock) | 27419 | 67.48 | 7649577 |
| May 15, 2024 | Sell -- (Common Stock) | 475 | 67.91 | 7676996 |
| May 14, 2024 | Sell -- (Common Stock) | 48000 | 68.09 | 7677471 |
| May 11, 2024 | Sell -- (Common Stock) | 70000 | 68.6 | 7725471 |
| May 10, 2024 | Sell -- (Common Stock) | 70000 | 68.62 | 7795471 |
| Mar 29, 2024 | Sell -- (Common Stock) | 19363 | 72.14 | 7865471 |
| Mar 27, 2024 | Sell -- (Common Stock) | 150000 | 70.75 | 7884834 |
| Dec 16, 2023 | Acquisition -- (Common Stock) | 4000 | 0 | 8034834 |
| Dec 5, 2023 | Sell -- (Common Stock) | 200 | 60.17 | 8030834 |
| Dec 5, 2023 | Sell -- (Common Stock) | 4500 | 59.96 | 8031034 |
| Dec 5, 2023 | M -- (Common Stock) | 6219 | 33.76 | 8035534 |
| Dec 2, 2023 | Sell -- (Common Stock) | 29343 | 59.78 | 8029315 |
| Dec 2, 2023 | M -- (Common Stock) | 22500 | 33.76 | 8042377 |
| Dec 2, 2023 | M -- (Common Stock) | 16281 | 33.76 | 8058658 |
| Nov 23, 2023 | Sell -- (Common Stock) | 18559 | 57.91 | 8019877 |
| Nov 22, 2023 | Sell -- (Common Stock) | 90478 | 57.85 | 8038436 |
| Nov 21, 2023 | Sell -- (Common Stock) | 49946 | 58.24 | 8128914 |
| Nov 18, 2023 | Sell -- (Common Stock) | 48159 | 58 | 8178860 |
| Sep 14, 2023 | Sell -- (Common Stock) | 43192 | 60.14 | 8227019 |
| Sep 13, 2023 | Sell -- (Common Stock) | 900 | 61.02 | 8270211 |
| Sep 13, 2023 | Sell -- (Common Stock) | 69540 | 60.49 | 8271111 |
| Sep 12, 2023 | Sell -- (Common Stock) | 18808 | 61.02 | 8340651 |
| Jun 24, 2023 | Sell -- (Common Stock) | 60270 | 56.96 | 8359459 |
| Jun 23, 2023 | Sell -- (Common Stock) | 41304 | 57.68 | 8419729 |
| Jun 22, 2023 | Sell -- (Common Stock) | 58687 | 58.68 | 8461033 |
| Jun 21, 2023 | Sell -- (Common Stock) | 46647 | 58.99 | 8519720 |
| Apr 5, 2023 | G -- (Common Stock) | 1761 | 0 | 8566367 |
| Mar 30, 2023 | Sell -- (Common Stock) | 15659 | 56.06 | 8568128 |
| Feb 10, 2023 | Sell -- (Common Stock) | 17 | 63.59 | 8783649 |
| Feb 10, 2023 | Sell -- (Common Stock) | 29551 | 62.99 | 8783666 |
| Feb 9, 2023 | Sell -- (Common Stock) | 26526 | 63.66 | 8813217 |
| Feb 9, 2023 | Sell -- (Common Stock) | 11040 | 63.42 | 8839743 |
| Feb 8, 2023 | Sell -- (Common Stock) | 22505 | 63.74 | 8850783 |
| Feb 8, 2023 | Sell -- (Common Stock) | 32325 | 63.25 | 8873288 |
| Feb 7, 2023 | Sell -- (Common Stock) | 35936 | 63.39 | 8905613 |
| Dec 6, 2022 | Acquisition -- (Common Stock) | 2500 | 0 | 8784166 |
| Mar 28, 2022 | Sell -- (Common Stock) | 65900 | 55.45 | 8583787 |
| Mar 25, 2022 | Sell -- (Common Stock) | 100000 | 55.59 | 8649687 |
| Mar 24, 2022 | Sell -- (Common Stock) | 36462 | 55.4 | 8749687 |
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