SEI INVESTMENTS CO (SEIC) Insider Trading -- Recent Executive & Director Transactions
16 insiders reported 129 Form 4 transactions for SEI INVESTMENTS CO (SEIC) over the past 18 months (most recent 2026-10-01). Recent activity: WEST ALFRED P JR (Insider) Sell 28,394 shares, WEST ALFRED P JR (Insider) Sell 5,483 shares, LANE MICHAEL (Executive Vice President) Sell 2,400 shares, Hicke Ryan (Chief Executive Officer) Buy 17,500 shares, Hicke Ryan (Chief Executive Officer) Buy 20,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-01 | WEST ALFRED P JR | Insider | Sell | 28,394 | $2.9M |
| 2026-10-01 | WEST ALFRED P JR | Insider | Sell | 5,483 | $565,637 |
| 2026-09-24 | LANE MICHAEL | Executive Vice President | Sell | 2,400 | $246,672 |
| 2026-09-08 | Hicke Ryan | Chief Executive Officer | Buy | 17,500 | $848,225 |
| 2026-09-08 | Hicke Ryan | Chief Executive Officer | Buy | 20,000 | $1.3M |
| 2026-09-08 | Hicke Ryan | Chief Executive Officer | Sell | 37,500 | $4.2M |
| 2026-09-03 | ROMEO CARMEN | Director | Buy | 5,000 | $248,150 |
| 2026-09-03 | ROMEO CARMEN | Director | Sell | 5,000 | $548,500 |
| 2026-09-01 | Peterson Michael | Executive Vice President | Buy | 37,500 | $2.1M |
| 2026-09-01 | Peterson Michael | Executive Vice President | Sell | 37,500 | $4.2M |
| 2026-08-06 | McCabe Philip | Title: Executive Vice President, Head of SEI's Investment Managers business | Sell | 24,957 | $2.6M |
| 2026-08-06 | McCabe Philip | Title: Executive Vice President, Head of SEI's Investment Managers business | Buy | 15,000 | $744,450 |
| 2026-08-06 | McCabe Philip | Title: Executive Vice President, Head of SEI's Investment Managers business | Buy | 9,957 | $494,166 |
| 2026-08-06 | McCabe Philip | Title: Executive Vice President, Head of SEI's Investment Managers business | Buy | 5,043 | $250,284 |
| 2026-08-06 | McCabe Philip | Title: Executive Vice President, Head of SEI's Investment Managers business | Sell | 5,043 | $532,036 |
| 2026-08-04 | MCCARTHY KATHRYN | Director | Buy | 5,000 | $355,600 |
| 2026-08-04 | MCCARTHY KATHRYN | Director | Buy | 5,000 | $355,600 |
| 2026-08-04 | MCCARTHY KATHRYN | Director | Sell | 10,000 | $1.0M |
| 2026-07-30 | GUARINO CARL | Director | Buy | 5,000 | $248,150 |
| 2026-07-30 | Peterson Michael | Executive Vice President | Buy | 25,000 | $1.4M |
| 2026-07-30 | Warner Mark Andrew | See Remarks* | Buy | 2,500 | $161,075 |
| 2026-07-30 | GUARINO CARL | Director | Buy | 5,000 | $248,150 |
| 2026-07-30 | Peterson Michael | Executive Vice President | Sell | 25,000 | $2.6M |
| 2026-07-30 | Warner Mark Andrew | See Remarks* | Buy | 2,500 | $161,075 |
| 2026-07-30 | GUARINO CARL | Director | Sell | 10,000 | $1.0M |
Source: SEC Form 4 filings · as of 2026-10-01