CIK 0000350894 · Large accelerated filer
SEI INVESTMENTS CO
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2026-06-29 | WEST ALFRED P JR Chairman Emeritus | Sale | −5,652 | $87.18 | $493K | 6,820,131 |
| 2026-06-29 | WEST ALFRED P JR Chairman Emeritus | Sale | −1,680 | $88.09 | $148K | 6,818,451 |
| 2026-06-26 | WEST ALFRED P JR Chairman Emeritus | Sale | −46,162 | $87.21 | $4.0M | 6,829,621 |
| 2026-06-26 | WEST ALFRED P JR Chairman Emeritus | Sale | −3,838 | $87.67 | $336K | 6,825,783 |
| 2026-06-09 | DORAN WILLIAM Director | Sale | −5,000 | $90.50 | $453K | 618,802 |
| 2026-05-04 | MCCARTHY KATHRYN Director | Option exercise | +5,000 | $49.63 | $248K | 82,883 |
| 2026-05-04 | MCCARTHY KATHRYN Director | Option exercise | +5,000 | $49.63 | $248K | 87,883 |
| 2026-05-04 | MCCARTHY KATHRYN Director | Sale | −10,000 | $91.07 | $911K | 77,883 |
| 2026-05-04 | MCCARTHY KATHRYN Director | Option exercise · STOCK OPTION (RIGHT TO PURCHASE) | −5,000 | 0 | ||
| 2026-05-04 | MCCARTHY KATHRYN Director | Option exercise · STOCK OPTION (RIGHT TO PURCHASE) | −5,000 | 0 | ||
| 2026-04-28 | Warner Mark Andrew In Remarks | Option exercise | +4,000 | $48.47 | $194K | 4,921 |
| 2026-04-28 | Warner Mark Andrew In Remarks | Sale | −4,000 | $91.16 | $365K | 921 |
| 2026-04-28 | Warner Mark Andrew In Remarks | Option exercise · STOCK OPTION RIGHT TO PURCHASE | −2,000 | 0 | ||
| 2026-04-28 | Warner Mark Andrew In Remarks | Option exercise · STOCK OPTION RIGHT TO PURCHASE | −2,000 | 0 | ||
| 2026-04-23 | McCabe Philip See Remarks | Sale | −15,000 | $91.82 | $1.4M | 54,884.45 |
| 2026-04-23 | Sharma Sanjay See Remarks* | Option exercise | +12,500 | $49.63 | $620K | 52,328.99 |
| 2026-04-23 | Sharma Sanjay See Remarks* | Option exercise | +12,500 | $49.63 | $620K | 64,828.99 |
| 2026-04-23 | Sharma Sanjay See Remarks* | Sale | −23,441 | $90.08 | $2.1M | 41,387.99 |
| 2026-04-23 | Sharma Sanjay See Remarks* | Sale | −1,559 | $90.73 | $141K | 39,828.99 |
| 2026-04-23 | Sharma Sanjay See Remarks* | Option exercise · Option to Purchase Common Stock | −12,500 | 0 |
Page 4 of 14 · 275 trades