Matthews Shawn — SEC Form 4 filings
SEC reporting owner CIK 1855118. 10 Form 4 filings on record with FilingPulse; latest filed 2026-07-16.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-03-22 to 2026-07-16. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 17.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Terrestrial Energy Inc. /DE/ (IMSR) | Director | 4 | — | — | 9 |
| HCM Acquisition Corp (HCMA) | Chairman and CEO, Director, 10% owner | 1 | — | — | 3 |
| Axe Compute Inc. (AGPU) | Director | 1 | — | — | 1 |
| HCM III ACQUISITION CORP. (HCMA) | Chairman and CEO, Director, 10% owner | 1 | — | — | 1 |
| HCM IV Acquisition Corp. (HACQ) | Chairman and CEO, Director | 1 | — | — | 1 |
| Mercator Acquisition Corp. (MRCO) | Chairman and CEO, Director | 1 | — | — | 1 |
| Streamex Corp. (STEX) | Director | 1 | — | — | 1 |
Form 4 filings — Matthews Shawn
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-16 | 4 | Mercator Acquisition Corp. (MRCO) jointly with Mercator Investor Holdings, LLC | Other (J): 275,000 (derivative) @ $0.00 | EDGAR |
| 2026-07-10 | 4 | Streamex Corp. (STEX) | Grant/award (A): 100,000 @ $0 | EDGAR |
| 2026-04-23 | 4 | Axe Compute Inc. (AGPU) | Grant/award (A): 1,166 @ $0 | EDGAR |
| 2026-02-18 | 4 | HCM IV Acquisition Corp. (HACQ) jointly with HCM Investor Holdings IV, LLC | Other (J): 75,000 (derivative) @ $0.00 | EDGAR |
| 2025-12-22 | 4 | Terrestrial Energy Inc. /DE/ (IMSR) | Grant/award (A): 4,190 (derivative) @ $0 · Grant/award (A): 735 (derivative) @ $0 | EDGAR |
| 2025-11-13 | 4 | Terrestrial Energy Inc. /DE/ (IMSR) jointly with HCM Investor Holdings II, LLC | Other (J): 2,920,000 · Other (J): 3,500,000 (derivative) | EDGAR |
| 2025-10-30 | 4 | Terrestrial Energy Inc. /DE/ (IMSR) jointly with HCM Investor Holdings II, LLC | Other (J): 5,675,000 · Other (J): 533,514 · Other (J): 4,275,000 (derivative) @ $11.50 · Other (J): 1,267,599 (derivative) @ $11.50 | EDGAR |
| 2025-08-05 | 4 | HCM III ACQUISITION CORP. (HCMA) jointly with HCM INVESTOR HOLDINGS III, LLC | Other (J): 75,000 (derivative) @ $0.00 | EDGAR |
| 2024-08-20 | 4 | HCM II Acquisition Corp. (HCMA) jointly with HCM Investor Holdings II, LLC | Other (J): 75,000 (derivative) @ $0.00 | EDGAR |
| 2024-03-22 | 4 | HCM Acquisition Corp (HCMA) jointly with HCM Investor Holdings, LLC | Other (J): 1,250,000 · Other (J): 8,737,500 · Disposition to issuer (D): 10,500,000 (derivative) | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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