Form 4: Sei Investments Executive Sells Shares
Insider Transaction (Form 4)
Mark Andrew Warner, See Remarks* of Sei Investments Co, sold 15,000 shares of common stock on July 28, 2026.
Summary
- Option exercise/conversion: acquired 2,500 Common Stock at $64.43 ($161,075) on July 28, 2026; holds 3,421 after (Direct).
- Option exercise/conversion: acquired 2,500 Common Stock at $64.43 ($161,075) on July 28, 2026; holds 5,921 after (Direct).
- Option exercise/conversion: acquired 5,000 Common Stock at $56.54 ($282,700) on July 28, 2026; holds 10,921 after (Direct).
- Option exercise/conversion: acquired 5,000 Common Stock at $56.54 ($282,700) on July 28, 2026; holds 15,921 after (Direct).
- Open-market sale: disposed of 2,300 Common Stock at $101.11 ($232,542) on July 28, 2026; holds 13,621 after (Direct).
- Open-market sale: disposed of 5,300 Common Stock at $102.01 ($540,658) on July 28, 2026; holds 8,321 after (Direct).
- Open-market sale: disposed of 7,400 Common Stock at $102.97 ($761,993) on July 28, 2026; holds 921 after (Direct).
- Option exercise/conversion: disposed of 2,500 Option to Purchase Common Stock on July 28, 2026 (Direct).
- Option exercise/conversion: disposed of 2,500 Option to Purchase Common Stock on July 28, 2026 (Direct).
- Option exercise/conversion: disposed of 5,000 Option to Purchase Common Stock on July 28, 2026 (Direct).
- Option exercise/conversion: disposed of 5,000 Option to Purchase Common Stock on July 28, 2026 (Direct).
Sentiment
Score: 3
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $1,535,193 of stock on the open market.
Insider Transactions
Mark Andrew Warner — Officer (See Remarks*)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-07-28 | Option exercise/conversion | Common Stock | 2,500 | $64 | $161.1K | 3,421 |
| 2026-07-28 | Option exercise/conversion | Common Stock | 2,500 | $64 | $161.1K | 5,921 |
| 2026-07-28 | Option exercise/conversion | Common Stock | 5,000 | $57 | $282.7K | 10,921 |
| 2026-07-28 | Option exercise/conversion | Common Stock | 5,000 | $57 | $282.7K | 15,921 |
| 2026-07-28 | Open-market sale | Common Stock | 2,300 | $101 | $232.5K | 13,621 |
| 2026-07-28 | Open-market sale | Common Stock | 5,300 | $102 | $540.7K | 8,321 |
| 2026-07-28 | Open-market sale | Common Stock | 7,400 | $103 | $762.0K | 921 |
| 2026-07-28 | Option exercise/conversion | Option to Purchase Common Stock | 2,500 | — | — | 0 |
| 2026-07-28 | Option exercise/conversion | Option to Purchase Common Stock | 2,500 | — | — | 0 |
| 2026-07-28 | Option exercise/conversion | Option to Purchase Common Stock | 5,000 | — | — | 0 |
| 2026-07-28 | Option exercise/conversion | Option to Purchase Common Stock | 5,000 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-07-28 | Option exercise/conversion (2,500 shares) |
| 2026-07-28 | Option exercise/conversion (2,500 shares) |
| 2026-07-28 | Option exercise/conversion (5,000 shares) |
| 2026-07-28 | Option exercise/conversion (5,000 shares) |
| 2026-07-28 | Open-market sale (2,300 shares) |
| 2026-07-28 | Open-market sale (5,300 shares) |
| 2026-07-28 | Open-market sale (7,400 shares) |
| 2026-07-28 | Option exercise/conversion (2,500 shares) |
| 2026-07-28 | Option exercise/conversion (2,500 shares) |
| 2026-07-28 | Option exercise/conversion (5,000 shares) |
| 2026-07-28 | Option exercise/conversion (5,000 shares) |
Keywords
insider transaction, Form 4, SEIC, SEI INVESTMENTS CO, bearish, Mark Andrew Warner
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