Doran William, director at SEI Investments Co. ($SEIC), made one open market sale of shares in the last year, totaling $587,000. His most recent SEIC insider sale was on December 22, 2025. This ranks him 6,111th among 11,678 insiders by sale value, well below the $8.6 million average across 6.4 transactions. He had no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 22, 2025 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | S | Common Stock | 7000 | $83.85 | 623,802.0000 | 127,684,000 | 1.11% | 0.01% |
| Dec. 12, 2025 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | A | Common Stock | 2266 | $0.00 | 630,802.0000 | 127,684,000 | 0.36% | 0.00% |
| Nov. 17, 2025 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | M | Common Stock | 10000 | $53.34 | 628,536.0000 | 127,684,000 | 1.62% | 0.01% |
| Nov. 17, 2025 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | M | Common Stock (right to purchase) | 5000 | $0.00 | 0.0000 | 127,684,000 | 100.00% | 0.00% |
| Nov. 17, 2025 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | M | Common Stock (right to purchase) | 5000 | $0.00 | 0.0000 | 127,684,000 | 100.00% | 0.00% |
| Dec. 31, 2024 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | G | Common Stock | 47500 | $0.00 | 618,536.0000 | 131,830,000 | 7.13% | 0.04% |
| Dec. 12, 2024 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | A | Common Stock | 2175 | $0.00 | 663,561.0000 | 131,830,000 | 0.33% | 0.00% |
| Nov. 26, 2024 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | S | Common Stock | 5000 | $81.80 | 661,386.0000 | 131,830,000 | 0.75% | 0.00% |
| Nov. 20, 2024 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | M | Common Stock | 5000 | $40.64 | 666,386.0000 | 131,830,000 | 0.76% | 0.00% |
| Nov. 20, 2024 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | M | Common Stock | 5000 | $40.64 | 661,386.0000 | 131,830,000 | 0.76% | 0.00% |
| Nov. 20, 2024 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | M | Option to Purchase Common Stock | 5000 | $0.00 | 0.0000 | 131,830,000 | 100.00% | 0.00% |
| Nov. 20, 2024 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | M | Option to Purchase Common Stock | 5000 | $0.00 | 0.0000 | 131,830,000 | 100.00% | 0.00% |
| June 24, 2024 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | S | Common Stock | 5000 | $67.04 | 656,386.0000 | 133,728,000 | 0.76% | 0.00% |
| Dec. 27, 2023 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | G | Common Stock | 4725 | $0.00 | 661,386.0000 | 137,423,000 | 0.71% | 0.00% |
| Dec. 26, 2023 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | G | Common Stock | 7500 | $0.00 | 666,111.0000 | 137,423,000 | 1.11% | 0.01% |
| Dec. 15, 2023 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Not found | A | Option to Purchase Common Stock | 4000 | $0.00 | 4,000.0000 | 137,423,000 | 9999.99% | 0.00% |
| Dec. 15, 2023 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Not found | A | Common Stock | 1000 | $0.00 | 673,611.0000 | 137,423,000 | 0.15% | 0.00% |
| Dec. 15, 2023 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Not found | A | Option to Purchase Common Stock | 4000 | $0.00 | 4,000.0000 | 137,423,000 | 9999.99% | 0.00% |
| Dec. 5, 2023 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | M | STOCK OPTION (RIGHT TO PURCHASE) | 10000 | $0.00 | 0.0000 | 137,423,000 | 100.00% | 0.01% |
| Dec. 5, 2023 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | M | Common Stock | 10000 | $33.76 | 672,611.0000 | 137,423,000 | 1.51% | 0.01% |
| Dec. 5, 2022 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Not found | A | Option to Purchase Common Stock | 3750 | $0.00 | 3,750.0000 | 0 | 9999.99% | 0.00% |
| Dec. 5, 2022 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Not found | A | Common Stock | 766 | $0.00 | 662,931.0000 | 0 | 0.12% | 0.00% |
| Dec. 5, 2022 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Not found | A | Option to Purchase Common Stock | 3750 | $0.00 | 3,750.0000 | 0 | 9999.99% | 0.00% |
| Feb. 6, 2023 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Not found | G | Common Stock | 320 | $0.00 | 662,611.0000 | 137,423,000 | 0.05% | 0.00% |
| Dec. 28, 2022 | SEI INVESTMENTS CO | $SEIC | DORAN WILLIAM | Director | G | Common Stock | 7750 | $0.00 | 662,165.0000 | 0 | 1.16% | 0.00% |