West Alfred P Jr's Form 4 filing
SEI Investments Co (SEIC) · filed Dec 5, 2025
- Accession no.
- 0000929638-25-004512
- Filed
- Dec 5, 2025
- Trade date
- Dec 3, 2025
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Not checked
This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $2.00M. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| West Alfred P JrCIK 0001059374 | Director, Officer (Executive Chairman) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 3, 2025 | Common Stock | MOption exerciseAcquired | +30,000 | $53.34 | +$1,600,200 | 6,967,582 | Direct | |
| Dec 3, 2025 | Common Stock | SSaleDisposed | −24,770 | $80.87 | −$2,003,149.9 | 6,942,812 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 3, 2025 | STOCK OPTION (RIGHT TO PURCHASE) | MOption exerciseDisposed | −30,000 | – | – | 0 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.