Form 4 for SEIC SEI INVESTMENTS CO
Accepted 2026-04-23 17:33:44 ET · period of report 2026-04-23 · accession 0001628280-26-026914 · 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 | 2026-04-23 17:33 | 2026-04-23 | SEIC | Peterson Michael | EVP | M - OptEx | $48.47 | +10.0K | 30.1K | +50% | +$484.7K |
| D | 2026-04-23 17:33 | 2026-04-23 | SEIC | Peterson Michael | EVP | S - Sale+OE | $90.00 | -10.0K | 20.1K | -33% | -$900.0K |
| D | 2026-04-23 17:33 | 2026-04-23 | SEIC | Peterson Michael | EVP | M - OptEx | — | -10.0K | 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 | 2026-04-23 | M | A | 10,000 | $48.47 | 30,148 | D | — | — | |
| 2 | Common | Common Stock | 2026-04-23 | S | D | 10,000 | $90.00 | 20,148 | D | — | — | |
| 3 | Derivative | Option to Purchase Common Stock | 2026-04-23 | M | D | 10,000 | — | 0 | D | $48.47 · 2021-12-31 to 2028-12-11 | 10,000 Common Stock | (F2) Received as employment compensation |