William Doran serves as Executive at SEI INVESTMENTS CO, where they oversee executive responsibilities. Since joining the company, William Doran has executed 92 insider transactions totaling $20.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 22, 2025 involved selling 7,000 shares valued at $587.0K.
William Doran currently holds 623,802 shares of SEI INVESTMENTS CO (SEIC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William Doran has been a net seller of SEIC stock. They have purchased $0 and sold $20.5M worth of shares.
William Doran's most recent insider trade was on Dec 22, 2025, when they sold 7,000 shares at $83.85 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Nov 17, 2025 | SEIC | $533.4K | Option Exercise | 10,000 | $53.34 | Discretionary |
| Jun 24, 2024 | SEIC | $335.2K | Sale | 5,000 | $67.04 | Discretionary |
| Dec 27, 2023 | SEIC | $0 | Gift | 4,725 | $N/A | Discretionary |
| Dec 26, 2023 | SEIC | $0 | Gift | 7,500 | $N/A | Discretionary |
| Dec 15, 2023 | SEIC | $0 | Award | 1,000 | $N/A | Discretionary |
| Dec 5, 2023 | SEIC | $337.6K | Option Exercise | 10,000 | $33.76 | Discretionary |
| Feb 6, 2023 | SEIC | $0 | Gift | 320 | $N/A | Discretionary |
| Dec 28, 2022 | SEIC | $0 | Gift | 7,750 | $N/A | Discretionary |
| Dec 6, 2022 | SEIC | $224.5K | Option Exercise | 10,000 | $22.45 | Discretionary |
| Dec 5, 2022 | SEIC | $0 | Award | 766 | $N/A | Discretionary |
| May 6, 2021 | SEIC | $632.7K | Sale | 10,000 | $63.27 | Discretionary |
| Nov 25, 2020 | SEIC | $238.6K | Option Exercise | 10,000 | $23.86 | Discretionary |
| Nov 25, 2020 | SEIC | $567.0K | Sale | 10,000 | $56.70 | Discretionary |
| Dec 19, 2019 | SEIC | $133.3K | Sale | 2,000 | $66.63 | Discretionary |
| Dec 18, 2019 | SEIC | $200.8K | Sale | 3,000 | $66.94 | Discretionary |
| Dec 16, 2019 | SEIC | $331.4K | Sale | 5,000 | $66.28 | Discretionary |
| Nov 25, 2019 | SEIC | $176.5K | Option Exercise | 10,000 | $17.65 | Discretionary |
| Sep 13, 2019 | SEIC | $305.0K | Sale | 5,000 | $61.00 | Discretionary |
| Sep 13, 2019 | SEIC | $0 | Gift | 1,600 | $N/A | Discretionary |
| Feb 16, 2018 | SEIC | $73.1K | Option Exercise | 5,000 | $14.62 | Discretionary |
| Feb 16, 2018 | SEIC | $73.1K | Option Exercise | 5,000 | $14.62 | Discretionary |
| Dec 8, 2017 | SEIC | $81.2K | Option Exercise | 2,500 | $32.49 | Discretionary |
| Sep 26, 2017 | SEIC | $358.6K | Sale | 6,000 | $59.77 | Discretionary |
| Sep 25, 2017 | SEIC | $238.8K | Sale | 4,000 | $59.70 | Discretionary |
| Aug 30, 2017 | SEIC | $574.9K | Sale | 10,000 | $57.49 | Discretionary |
| Jun 12, 2017 | SEIC | $262.0K | Sale | 5,000 | $52.40 | Discretionary |
| Dec 12, 2016 | SEIC | $197.5K | Option Exercise | 4,000 | $49.37 | Discretionary |
| Dec 9, 2016 | SEIC | $0 | Gift | 1,500 | $N/A | Discretionary |