Quick Takeaways
- Simon Irish has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $98,684,142.
- Recent insider filing activity is available below.
- Info
- Significant Ownership
- Insider Ownership
Insider Trading & Ownership of Simon Irish
- Location
- Charlotte, NC
- Summary
- The estimated net worth of Simon Irish is at least $98,684,142 dollars as of 07 Nov 2025. Simon Irish is the Chief Executive Officer, Director of Terrestrial Energy Inc. /DE/ and owns shares of Terrestrial Energy Inc. /DE/ (IMSR) stock worth about $98.68M.
- Signature
- /s/ Steven M. Millsap, pursuant to Power of Attorney
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Simon Irish 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: Terrestrial Energy Inc. /DE/ ($98,684,142).
- 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 Irish
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| IMSR, IMSRW | Terrestrial Energy Inc. /DE/ | Chief Executive Officer, Director | $98,684,142 | 28 Oct 2025 |
Insider Transactions Reported by Simon Irish:
| 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.