SEC Form 4 · accession 0000929638-26-002842
SEI INVESTMENTS CO · SEIC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Carl Guarino
Director
Period of report
Jul 28, 2026
Accepted (ET)
Jul 30, 2026 · 4:05 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000350894
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jul 28, 2026 | M | 5,000 | $49.63 | A | 23,308 | D | |
| Common Stock | Jul 28, 2026 | M | 5,000 | $49.63 | A | 28,308 | D | |
| Common StockF1 | Jul 28, 2026 | S | 10,000 | $103.195 | D | 18,308 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Option to Purchase Common StockF2 | $49.63 | Jul 28, 2026 | M | 5,000 | D | Dec 13, 2017 | Dec 13, 2026 | Common Stock | 5,000 | 0 | D |
| Option to Purchase Common StockF2 | $49.63 | Jul 28, 2026 | M | 5,000 | D | Dec 13, 2019 | Dec 13, 2026 | Common Stock | 5,000 | 0 | D |
Explanation of responses
- F1Represents the weighted average of a range of sale prices from $102.95 to $103.39. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company, or any stockholder of the Company, upon request, full information regarding the number of shares sold at each separate price.
- F2Received as compensation for service on the Company's Board of Directors.