Form 4 for SEIC SEI INVESTMENTS CO
Accepted 2026-04-30 11:35:55 ET · period of report 2026-04-28 · accession 0001628280-26-028672 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-04-30 11:35 | 2026-04-28 | SEIC | Warner Mark Andrew | In Remarks | M - OptEx | $48.47 | +4,000 | 4,921 | +434% | +$193.9K |
| D | 2026-04-30 11:35 | 2026-04-28 | SEIC | Warner Mark Andrew | In Remarks | S - Sale+OE | $91.16 | -4,000 | 921 | -81% | -$364.6K |
| DM | 2026-04-30 11:35 | 2026-04-28 | SEIC | Warner Mark Andrew | In Remarks | M - OptEx | — | -4,000 | 0 | -100% | — |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-04-28 | M | A | 4,000 | $48.47 | 4,921 | D | — | — | |
| 2 | Common | Common Stock | 2026-04-28 | S | D | 4,000 | $91.16 | 921 | D | — | — | |
| 3 | Derivative | STOCK OPTION RIGHT TO PURCHASE | 2026-04-28 | M | D | 2,000 | — | 0 | D | $48.47 · 2021-12-31 to 2028-12-11 | 2,000 Common Stock | (F1) Received as employment compensation |
| 4 | Derivative | STOCK OPTION RIGHT TO PURCHASE | 2026-04-28 | M | D | 2,000 | — | 0 | D | $48.47 · 2025-12-31 to 2028-12-11 | 2,000 Common Stock | (F1) Received as employment compensation |