Quick Takeaways
- Richard J. Mark has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $19,789,380.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Richard J. Mark
- Location
- St. Louis, MO
- Summary
- The estimated net worth of Richard J. Mark is at least $19,789,380 dollars as of 02 Apr 2026. Richard J. Mark is the Chmn & President of Subsidiary of AMEREN CORP and owns shares of AMEREN CORP (AEE) stock worth about $12.29M. Richard J. Mark is the Director of TENET HEALTHCARE CORP and owns shares of TENET HEALTHCARE CORP (THC) stock worth about $5.73M. Richard J. Mark is the Director of SEMPRA and owns shares of SEMPRA (SRE) stock worth about $1.78M.
- Signature
- RICHARD J. MARK BY: Lisa H. Abbot, Managing Attorney - Corporate and Securities of Sempra and Attorney-In-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Richard J. Mark and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: AMEREN CORP ($12,287,491).
- Past-year value change for that position: .
Why This Matters
- 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.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Richard J. Mark
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| AEE | AMEREN CORP | Chmn & President of Subsidiary | $12,287,491 | 31 Mar 2022 | ||
| THC | TENET HEALTHCARE CORP | Director | $5,726,615 | 22 May 2025 | ||
| SRE, SREA | SEMPRA | Director | $1,775,274 | +$251,164 | +16% | 01 Apr 2026 |
Insider Transactions Reported by Richard J. Mark:
| 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.