Form 4: SEI Investments Officer Reports Late Stock Transaction

SEI Investments' Chief Accounting Officer, Mark Andrew Warner, reported the disposition of 379 common shares to cover tax obligations from RSU vesting, a transaction that was not timely reported.

Summary

• Mark Andrew Warner, Chief Accounting Officer and Controller of SEI Investments Co (SEIC), reported a transaction involving company common stock.
• On December 5, 2025, 379 shares of common stock were disposed of at a price of $81.25 per share.
• This disposition was for shares withheld to satisfy tax obligations upon the vesting of Restricted Stock Units (RSUs).
• Following this transaction, Mark Andrew Warner beneficially owns 921 shares of SEIC common stock directly.
• The transaction was inadvertently not reported on a timely basis, as required by SEC regulations.

Sentiment

Score: 5

Explanation: The filing reports a routine disposition of shares for tax purposes upon RSU vesting, which is a neutral event. However, the acknowledged delay in reporting introduces a minor negative sentiment regarding compliance.

Positives

• The transaction stemmed from the vesting of Restricted Stock Units (RSUs), indicating a prior grant of equity compensation to the officer.
• The officer retains 921 shares of common stock, maintaining a direct ownership stake in the company.

Negatives

• The transaction was inadvertently not reported on a timely basis, representing a compliance lapse under Section 16(a) of the Securities Exchange Act of 1934.

Risks

• Risk of non-compliance with Section 16(a) of the Securities Exchange Act of 1934 due to the untimely disclosure of the transaction.

Future Outlook

N/A

Industry Context

This is an individual insider transaction and does not directly reflect broader industry trends or competitive dynamics. It is a routine event for equity compensation, albeit with a reporting delay.

Stakeholder Impact

• Shareholders: The late reporting of an insider transaction, even a routine one, could be viewed as a minor compliance lapse, potentially impacting investor confidence in reporting timeliness.

Key Dates

Recommendation

This Form 4 details a routine, tax-related disposition of a relatively small number of shares by an insider. While there was an acknowledged delay in reporting, the transaction itself is not indicative of any fundamental change in the company's prospects or the insider's confidence. It does not provide sufficient information to warrant a change from a 'hold' position based solely on this filing.

Keywords

SEIC, insider transaction, Form 4, stock disposition, RSU vesting, equity compensation, Chief Accounting Officer, Mark Andrew Warner, compliance