CIK 0000350894 · Large accelerated filer
SEI INVESTMENTS CO
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- SEIC
- Exchange
- Nasdaq
- Industry
- Security Brokers, Dealers & Flotation Companies
- FY end
- Dec 31
- Incorporated
- PA
- Entity type
- operating
- EIN
- 231707341
- Phone
- 6106761000
- Business address
- 1 FREEDOM VALLEY DRIVE, OAKS, PA, 19456-1100
- Former names
- SEI CORP
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $13,512,522
- in 6 filings
Net −$13,512,522. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-09-23 | GUARINO CARL Director | Option exercise · Option to Purchase Common Stock | −5,000 | 0 | ||
| 2025-09-23 | GUARINO CARL Director | Option exercise · Option to Purchase Common Stock | −5,000 | 0 | ||
| 2025-09-16 | LANE MICHAEL Executive Vice President | Shares withheld for taxes | −3,935 | $86.60 | $341K | 33,065 |
| 2025-08-19 | Hicke Ryan CHIEF EXECUTIVE OFFICER | Option exercise | +17,500 | $49.63 | $869K | 188,759.77 |
| 2025-08-19 | Hicke Ryan CHIEF EXECUTIVE OFFICER | Option exercise | +17,500 | $49.63 | $869K | 206,259.77 |
| 2025-08-19 | Hicke Ryan CHIEF EXECUTIVE OFFICER | Sale | −35,000 | $88.30 | $3.1M | 171,259.77 |
| 2025-08-19 | Hicke Ryan CHIEF EXECUTIVE OFFICER | Option exercise · Option to Purchase Common Stock | −17,500 | 0 | ||
| 2025-08-19 | Hicke Ryan CHIEF EXECUTIVE OFFICER | Option exercise · Option to Purchase Common Stock | −17,500 | 0 | ||
| 2025-08-07 | Peterson Michael EXECUTIVE VICE PRESIDENT | Option exercise | +7,089 | $61.81 | $438K | 20,589 |
| 2025-08-07 | Peterson Michael EXECUTIVE VICE PRESIDENT | Sale | −7,089 | $88.55 | $628K | 13,500 |
| 2025-08-07 | Peterson Michael EXECUTIVE VICE PRESIDENT | Option exercise · Option to Purchase Common Stock | −7,089 | 0 | ||
| 2025-08-05 | Peterson Michael EXECUTIVE VICE PRESIDENT | Option exercise | +684 | $61.81 | $42K | 14,184 |
| 2025-08-05 | Peterson Michael EXECUTIVE VICE PRESIDENT | Sale | −684 | $88.69 | $61K | 13,500 |
| 2025-08-05 | Peterson Michael EXECUTIVE VICE PRESIDENT | Option exercise · Option to Purchase Common Stock | −684 | 7,089 | ||
| 2025-07-31 | Peterson Michael EXECUTIVE VICE PRESIDENT | Option exercise | +4,727 | $61.81 | $292K | 18,227 |
| 2025-07-31 | Peterson Michael EXECUTIVE VICE PRESIDENT | Sale | −4,727 | $88.51 | $418K | 13,500 |
| 2025-07-31 | Peterson Michael EXECUTIVE VICE PRESIDENT | Option exercise · Option to Purchase Common Stock | −4,727 | 7,773 | ||
| 2025-07-29 | Warner Mark Andrew See Remarks | Option exercise | +5,000 | $49.63 | $248K | 6,300 |
| 2025-07-29 | Warner Mark Andrew See Remarks | Sale | −5,000 | $88.75 | $444K | 1,300 |
| 2025-07-29 | Warner Mark Andrew See Remarks | Option exercise · STOCK OPTION RIGHT TO PURCHASE | −2,500 | 0 |
Page 9 of 14 · 275 trades