Michael Peterson sold $4.2M of SEIC
Executive Vice President at SEI INVESTMENTS CO. 37,500 shares at an average of $111.51, traded Aug 28, 2026, filed Sep 1, 2026.
Score components
- +15RoleOfficer
- +25Trade size$4.2M at market
- +20Share of holdings soldSold 65% of holdings
- +15Cluster3 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000929638-26-003408, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 28, 2026 | MOption exercise Common Stock | +37,500 | $56.54 | $2.1M | 57,648 | 43 d ago |
| Aug 28, 2026 | SOpen-market sale Common Stock | -37,500 | $111.51 | $4.2M | 20,148 | 43 d ago |
| Aug 28, 2026 | MOption exercise Option to Purchase Common Stockderivative | -37,500 | - | - | 0 | 43 d ago |
Related signals
Other insiders at SEI INVESTMENTS CO and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 41Moderate | SEI INVESTMENTS CO | Alfred P West Jr Executive Chairman | $3.5M 33,877 shares | -0% | |
| 36Weak | SEI INVESTMENTS CO | Michael Lane Executive Vice President | $247k 2,400 shares | -6% | |
| 55Moderate | SEI INVESTMENTS CO | Ryan Hicke Chief Executive Officer | $4.2M 37,500 shares | -16% | |
| 34Weak | SEI INVESTMENTS CO | Carmen Romeo director | $549k 5,000 shares | -0% | |
| 50Moderate | SEI INVESTMENTS CO | Philip McCabe See Remarks | $3.2M 30,000 shares | -38% | |
| 45Moderate | SEI INVESTMENTS CO | Kathryn McCarthy director | $1.0M 10,000 shares | -11% | |
| 50Moderate | SEI INVESTMENTS CO | Carl Guarino director | $1.0M 10,000 shares | -35% | |
| 60Notable | SEI INVESTMENTS CO | Michael Peterson Executive Vice President | $2.6M 25,000 shares | -55% | |
| 60Notable | SEI INVESTMENTS CO | Mark Andrew Warner See Remarks* | $1.5M 15,000 shares | -94% | |
| 50Moderate | SEI INVESTMENTS CO | Sanjay Sharma See Remarks* | $2.0M 20,000 shares | -33% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.