Peterson Michael's Form 4 filing
SEI Investments Co (SEIC) · filed Sep 1, 2026
- Accession no.
- 0000929638-26-003408
- Filed
- Sep 1, 2026, 4:05 PM ET
- Trade date
- Aug 28, 2026
- Filing delay
- 4 days
- Rule 10b5-1 plan
- Not checked
This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $4.18M. It was filed 4 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 |
|---|---|
| Peterson MichaelCIK 0001745371 | Officer (Executive Vice President) |
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 |
|---|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | Common Stock | MOption exerciseAcquired | +37,500 | $56.54 | +$2,120,250 | 57,648 | Direct | |
| Aug 28, 2026 | Common Stock | SSaleDisposed | −37,500 | $111.51 | −$4,181,625 | 20,148 | 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 |
|---|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | Common Stock | MOption exerciseDisposed | −37,500 | – | – | 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.