Sei Invts Co SEC Filings

Kathryn McCarthy, a director of SEI Investments Company (SEIC), reported both acquisition and disposition of SEIC common stock on 09/29/2025. The Form 4 shows a non-derivative purchase of 10,000 shares at $53.34 and a sale of 10,000 shares at a weighted-average price of $85.66, resulting in reported beneficial ownership changing from 85,641 shares to 75,641 shares after the sale. Table II shows two option-based transactions executed the same day: two option exercises each for 5,000 shares with a $53.34 exercise price and underlying shares noted as received as employment compensation, and the reported post-transaction derivative holdings are zero. The form is signed on behalf of Ms. McCarthy by an attorney-in-fact and includes an explanatory note that the sale price is a weighted average across prices $85.51–$85.80.

SEI Investments Co. insider sale notice: The filing reports that 10,000 shares of SEI common stock were acquired and are proposed for sale on the same date via a cashless employee stock option exercise through Charles Schwab & Co., Inc. The shares have an aggregate market value of $856,555.00 and represent a small fraction of outstanding shares (123,625,060 outstanding). The broker listed is Charles Schwab & Co., and the planned sale is noted for 09/29/2025. The filer states there are no securities sold in the past three months for the account and affirms no undisclosed material adverse information.

Carl Guarino, a director of SEI Investments Co. (SEIC), reported transactions on 09/23/2025 that changed his beneficial ownership. He exercised options to acquire 10,000 shares at an exercise price of $53.34 per share and concurrently sold 10,000 shares at a weighted-average sale price of $86.41 (sale prices ranged $86.08–$86.97). After these transactions, the reporting person beneficially owned 16,042 shares, down from an interim 26,042 following the exercise. The Form 4 notes the options were received as employment compensation and shows two option tranches of 5,000 shares each with an exercise price of $53.34 and expiration date 12/08/2025. The filing was signed on 09/24/2025 by an attorney-in-fact.

Form 144 notice for SEI Investments Company (SEIC) reports a proposed sale of 10,000 common shares through Charles Schwab & Co., Inc. on 09/23/2025 with an aggregate market value of $864,120.00. The filing states these shares were acquired and will be disposed of on 09/23/2025 via an employee stock option exercise from SEI Investments Co., and the payment method is noted as broker payment for cashless exercise. The issuer has 123,625,060 shares outstanding. No other sales in the past three months are reported and the form includes the standard representation that the seller is not aware of undisclosed material adverse information.

SEI Investments Co. (SEIC) filed a Form 144 to report a proposed sale of 7,500 shares of common stock, with an aggregate market value of $647,473.00, through Charles Schwab & Co., Inc. on or about 09/22/2025. The filing states the shares were acquired the same day via a stock option exercise and that payment was made as a broker payment for a cashless exercise. The notice indicates no securities of the issuer were sold by the reporting person in the prior three months and includes the standard attestation that the seller is not aware of undisclosed material adverse information.

Michael Lane, Executive Vice President of SEI Investments Company (SEIC), reported a change in beneficial ownership on a Form 4. The filing shows a transaction dated 09/16/2025 involving Common Stock where 3,935 shares were disposed (D) at a reported price of $86.6, leaving 33,065 shares beneficially owned directly. The filing also reports an indirect interest of 154.5545 shares described as "By ESPP." The Form 4 is signed on behalf of Mr. Lane by Diane Gallagher, attorney in fact, dated 09/17/2025. The disclosure provides the specific quantities, price, and ownership form for the reported transactions.

Ryan Hicke, reporting person and identified as Chief Executive Officer and Director of SEI Investments Co (SEIC), reported Section 16 transactions dated 08/19/2025. The Form 4 shows two non-derivative acquisitions of 17,500 shares each at an acquisition price of $49.63 (two entries), followed by a sale of 35,000 shares at a weighted-average sale price of $88.30 (range noted $87.92–$88.89). After these transactions, the reporting person beneficially owned 171,259.77 shares directly and 14,687.089 shares indirectly through a 401(k) plan. The Form 4 indicates the acquired shares/options were received as employment compensation and that the reporting person will provide sale price detail upon request.