Quick Takeaways
- Mark Jeffery Penn has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $122,323,301.
- Recent insider filing activity is available below.
- Info
- Significant Ownership
- Insider Ownership
Insider Trading & Ownership of Mark Jeffery Penn
- Location
- Washington, DC
- Summary
- The estimated net worth of Mark Jeffery Penn is at least $122,323,301 dollars as of 03 Apr 2026. Mark Jeffery Penn is the Chief Executive Officer, Director of Stagwell Inc and owns shares of Stagwell Inc (STGW) stock worth about $122.32M.
- Signature
- /s/ Mark Penn
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Mark Jeffery Penn and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Stagwell Inc ($122,323,301).
- Past-year value change for that position: +$96,132.
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.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Mark Jeffery Penn
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| STGW | Stagwell Inc | Chief Executive Officer, Director | $122,323,301 | +$96,132 | +0.08% | 01 Apr 2026 |
Insider Transactions Reported by Mark Jeffery Penn:
| 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.