Trade Summary

6 days ago, Peterson Michael, serving as Executive Vice President at SEI INVESTMENTS CO (SEIC), sold 37,500 shares at $111.51 per share, for a total transaction value of $4,181,625.00. Following this transaction, Peterson Michael now holds 20,148 shares of SEIC.

This sale represents a 65.05% decrease in Peterson Michael's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, August 28, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, September 1, 2026 at 4:05 PM ET, 4 days after the trade was made.

SEI INVESTMENTS CO operates in the FINANCIAL SERVICES sector, specifically within the ASSET MANAGEMENT industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.