Kathryn Mccarthy serves as Executive at SEI INVESTMENTS CO, where they oversee executive responsibilities. Since joining the company, Kathryn Mccarthy has executed 91 insider transactions totaling $7.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 12, 2025 involved receiving (via award) 2,266 shares valued at $0.
Kathryn Mccarthy currently holds 77,907 shares of SEI INVESTMENTS CO (SEIC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Kathryn Mccarthy has been a net seller of SEIC stock. They have purchased $0 and sold $7.8M worth of shares.
Kathryn Mccarthy's most recent insider trade was on Dec 12, 2025, when they sold 2,266 shares at $0.00 per share.
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| $81.25 |
| Discretionary |
| Sep 29, 2025 | SEIC | $533.4K | Option Exercise | 10,000 | $53.34 | Discretionary |
| Sep 29, 2025 | SEIC | $856.6K | Sale | 10,000 | $85.66 | Discretionary |
| Dec 15, 2023 | SEIC | $0 | Award | 1,000 | $N/A | Discretionary |
| Sep 8, 2023 | SEIC | $406.4K | Option Exercise | 10,000 | $40.64 | Discretionary |
| Sep 8, 2023 | SEIC | $605.8K | Sale | 10,000 | $60.58 | Discretionary |
| Dec 21, 2022 | SEI C | $592.5K | Sale | 10,000 | $59.25 | Discretionary |
| Dec 21, 2022 | SEI C | $337.6K | Option Exercise | 10,000 | $33.76 | Discretionary |
| Dec 5, 2022 | SEIC | $0 | Award | 766 | $N/A | Discretionary |
| Dec 9, 2020 | SEIC | $78.8K | Option Exercise | 5,000 | $15.77 | Discretionary |
| Dec 9, 2020 | SEIC | $535.3K | Sale | 9,500 | $56.35 | Discretionary |
| Dec 9, 2020 | SEIC | $78.8K | Option Exercise | 5,000 | $15.77 | Discretionary |
| Nov 4, 2019 | SEIC | $238.6K | Option Exercise | 10,000 | $23.86 | Discretionary |
| Nov 4, 2019 | SEIC | $584.2K | Sale | 9,500 | $61.49 | Discretionary |
| Jul 26, 2019 | SEIC | $88.3K | Option Exercise | 5,000 | $17.65 | Discretionary |
| Jul 26, 2019 | SEIC | $88.3K | Option Exercise | 5,000 | $17.65 | Discretionary |
| Jul 26, 2019 | SEIC | $578.5K | Sale | 9,500 | $60.90 | Discretionary |
| Sep 19, 2017 | SEIC | $146.2K | Option Exercise | 10,000 | $14.62 | Discretionary |
| Sep 19, 2017 | SEIC | $586.9K | Sale | 10,000 | $58.69 | Discretionary |
| Mar 31, 2017 | SEIC | $126.1K | Sale | 2,500 | $50.44 | Discretionary |
| Mar 31, 2017 | SEIC | $81.2K | Option Exercise | 2,500 | $32.49 | Discretionary |
| Mar 23, 2015 | SEIC | $154.2K | Option Exercise | 8,000 | $19.28 | Discretionary |
| Mar 23, 2015 | SEIC | $393.2K | Sale | 8,900 | $44.18 | Discretionary |
| Mar 23, 2015 | SEIC | $118.4K | Option Exercise | 4,000 | $29.61 | Discretionary |
| Jul 29, 2014 | SEIC | $287.3K | Sale | 8,000 | $35.91 | Discretionary |
| Jul 29, 2014 | SEIC | $172.4K | Option Exercise | 8,000 | $21.55 | Discretionary |
| May 20, 2013 | SEIC | $243.8K | Sale | 8,000 | $30.47 | Discretionary |
| May 20, 2013 | SEIC | $118.2K | Option Exercise | 8,000 | $14.78 | Discretionary |
| Jun 2, 2009 | SEIC | $73.7K | Sale | 4,486 | $16.43 | Discretionary |