Key facts
- Mark Andrew Warner has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $83,958.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Mark Andrew Warner
- Location
- Oaks, PA
- Summary
- The estimated net worth of Mark Andrew Warner is at least $83,958 dollars as of 30 Apr 2026. Mark Andrew Warner is the Title: Chief Accounting Officer and Controller of SEI INVESTMENTS CO and owns shares of SEI INVESTMENTS CO (SEIC) stock worth about $84K.
- Signature
- /s/Mark Andrew Warner, by Diane Gallagher, attorney in fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
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Change
- Largest disclosed position: SEI INVESTMENTS CO ($83,958).
- Past-year value change for that position: -$1,135,350.
Research use
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Mark Andrew Warner
SEIC
Forms 3/4/5
SEI INVESTMENTS CO
- Relationship
- Title: Chief Accounting Officer and Controller
- Holdings value
- $83,958
- Past year net change
- -$1,135,350
- Change %
- -93%
- Report period
- 28 Apr 2026
Insider Transactions Reported by Mark Andrew Warner:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.