Quick Takeaways
- Shawn Matthews has 6 issuer positions tracked on this page.
- Estimated disclosed ownership value: $77,695,088.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Shawn Matthews
- Location
- Stamford, CT
- Summary
- The estimated net worth of Shawn Matthews is at least $77,695,088 dollars as of 09 Mar 2026. Shawn Matthews is the Director of Terrestrial Energy Inc. /DE/ and owns shares of Terrestrial Energy Inc. /DE/ (IMSR) stock worth about $77.39M. Shawn Matthews is the Director of Streamex Corp. and owns shares of Streamex Corp. (STEX) stock worth about $248K. Shawn Matthews is the Chairman and CEO, Director, 10%+ Owner of HCM III ACQUISITION CORP. and owns shares of HCM III ACQUISITION CORP. (HCMA) stock worth about $33.4K. Shawn Matthews is the Chairman and CEO, Director of HCM IV Acquisition Corp. and owns shares of HCM IV Acquisition Corp. (HACQ) stock worth about $25.6K.
- Signature
- /s/ Shawn Matthews
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Shawn Matthews 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: Terrestrial Energy Inc. /DE/ ($77,388,005).
- 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 Shawn Matthews
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| IMSR, IMSRW | Terrestrial Energy Inc. /DE/ | Director | $77,388,005 | 18 Dec 2025 | ||
| STEX | Streamex Corp. | Director | $248,000 | 03 Mar 2026 | ||
| HCMA, HCMAU | HCM III ACQUISITION CORP. | Chairman and CEO, Director, 10%+ Owner | $33,433 | 31 Jul 2025 | ||
| HACQ, HACQU | HCM IV Acquisition Corp. | Chairman and CEO, Director | $25,650 | 11 Feb 2026 | ||
| HCMA | HCM Acquisition Corp | Chairman and CEO, Director, 10%+ Owner | 20 Mar 2024 | |||
| AGPU | Predictive Oncology Inc. | Director | 07 Oct 2025 |
Insider Transactions Reported by Shawn Matthews:
| 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.