William A Zartler Net Worth
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William A Zartler has an estimated net worth of at least $54.8 million*, as of Oct. 29, 2025. They own 1.0 million shares of SEI stock. They have sold 23,000 shares of SEI stock since 2021, for an estimated $-706,800.
William A Zartler $SEI SEC Form 4 Insider Trading
William A Zartler has filed a total of 3 insider trades in $SEI since 2021. Their most recent trade was a purchase of 10,000 shares, made on Sep 09, 2025. Their largest trade was a purchase of 10,000 shares, made on Sep 09, 2025. We estimate that they now own 1.0 million shares of $SEI, worth an estimated $55.5 million.
Insider Trading at $SEI
There have been a total of 28 insider trades reported at $SEI since 2021, with 48,289 shares purchased and 14.2 million shares sold. The most active insider traders in $SEI stock have been William A Zartler, Amanda M Brock, and Christopher M Powell. The most recent trade was a purchase of 2,310 shares reported by AJ TEAGUE (None), made on Dec 17, 2025.
History of Insider Stock Trades by William A Zartler
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
SEI
|
Purchase | 10,000 | Sep 09, 2025 | Sept. 9, 2025, 4:18 p.m. |
|
SEI
|
Purchase | 10,000 | May 21, 2025 | May 22, 2025, 11:45 a.m. |
|
SEI
|
Purchase | 10,000 | Mar 07, 2025 | March 7, 2025, 4:49 p.m. |
SOI
|
Sale | 23,000 | Dec 16, 2022 | Dec. 19, 2022, 6:27 p.m. |
|
SOI
|
Purchase | 10,000 | Sep 15, 2022 | Sept. 16, 2022, 4 p.m. |
|
SOI
|
Purchase | 7,000 | May 09, 2022 | May 9, 2022, 6:50 p.m. |
|
SOI
|
Purchase | 10,000 | Dec 07, 2021 | Dec. 8, 2021, 5:50 p.m. |
|
SOI
|
Purchase | 15,000 | Nov 22, 2021 | Nov. 22, 2021, 8 p.m. |
$SEI Executives and Stock Owners with Insider Trades
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William A Zartler, CHAIRMAN AND CEO
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Amanda M Brock, Co-Chief Executive Officer
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Christopher M Powell, CHIEF LEGAL OFFICER
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Cynthia M. Durrett, CHIEF ADMINISTRATIVE OFFICER
-
Kyle S. Ramachandran, PRESIDENT AND CFO
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.