Quick Takeaways
- Simon Dingemans has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $260,038.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Simon Dingemans
- Location
- Radnor, PA
- Summary
- The estimated net worth of Simon Dingemans is at least $260,038 dollars as of 18 Mar 2026. Simon Dingemans is the Director of WPP plc and owns shares of WPP plc (WPP) stock worth about $188.7K. Simon Dingemans is the Director of Avantor, Inc. and owns shares of Avantor, Inc. (AVTR) stock worth about $71.3K.
- Signature
- /s/ Mariana Ljuljdjuraj, pursuant to Power of Attorney for Simon Dingemans
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Simon Dingemans 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: WPP plc ($188,700).
- 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.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Simon Dingemans
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| WPP, WPPGF | WPP plc | Director | $188,700 | 18 Mar 2026 | ||
| AVTR | Avantor, Inc. | Director | $71,338 | 02 Jan 2026 |
Insider Transactions Reported by Simon Dingemans:
| 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.