HCM II Acquisition Corp

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HCM II Acquisition Corp
TickerIMSR
CIK #0002019804
CUSIP881454102
SectorReal Estate & Construction - Blank Checks
Address100 First Stamford Place, Stamford, CT 06902
Source [EDGAR]
CIK Filing 2011 - 2026
[0002019804] 10-K
[0002019804] 10-Q
[0002019804] 3
[0002019804] 4
[0002019804] 8-K
[0002019804] D
[0002019804] SC 13D
[0002019804] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Sella Roberto Marco Terrestrial Energy Inc /DE/ [2026-01-22] 0.0
Irish Simon Terrestrial Energy Inc /DE/ [2025-11-04] 0.0
Leblanc David Michael Terrestrial Energy Inc /DE/ [2025-11-04] 0.0
Merus Global Investments LLC HCM II Acquisition Corp [2025-06-02] 0.0
Linden Capital LP HCM II Acquisition Corp [2025-03-31] 0.0
Goldman Sachs Group Inc HCM II Acquisition Corp [2025-02-12] 0.0
Barclays PLC HCM II Acquisition Corp [2025-02-07] 0.0
AQR Capital Management LLC HCM II Acquisition Corp [2024-11-14] 0.9
First Trust Capital Management LP HCM II Acquisition Corp [2024-11-14] 8.13
LMR Partners LLP HCM II Acquisition Corp [2024-11-14] 6.5
Magnetar Financial LLC HCM II Acquisition Corp [2024-11-06] 8.52
Picton Mahoney Asset Management HCM II Acquisition Corp [2024-10-17] 0.0
HCM Investor Holdings II LLC HCM II Acquisition Corp [2024-08-26] 20.0
Form 3/4/5 Filer 2011 - 2026
Terrestrial Energy Inc /DE/
Millsap Steven M
Thrasher Brian Patrick
Smith William F
LeBlanc David Michael
Sella Roberto Marco
Buckman Frederick W
MacDiarmid John Hugh
Pardee Charles G
Hill David John
Jones Robert Wood
Johnson William D
Matthews Shawn
HCM Investor Holdings II LLC
Irish Simon
Connor Michael J
Loveless Jacob
Brenner Andrew Scott
Bischoff Steven
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Restricted Stock Units · derivative
2025-12-18 Grant 1,029 $0.00
Buckman Frederick W
Restricted Stock Units · derivative
2025-12-18 Grant 6,703 $0.00
Buckman Frederick W
Resricted Stock Units · derivative
2025-12-18 Grant 1,176 $0.00
Johnson William D
Resricted Stock Units · derivative
2025-12-18 Grant 1,720 $0.00
Johnson William D
Restricted Stock Units · derivative
2025-12-18 Grant 5,865 $0.00
Jones Robert Wood
Restricted Stock Units · derivative
2025-12-18 Grant 5,865 $0.00
Jones Robert Wood
Resricted Stock Units · derivative
2025-12-18 Grant 1,029 $0.00
Hill David John
Restricted Stock Units · derivative
2025-12-18 Grant 3,352 $0.00
Hill David John
Resricted Stock Units · derivative
2025-12-18 Grant 588 $0.00
Pardee Charles G
Resricted Stock Units · derivative
2025-12-18 Grant 882 $0.00
Pardee Charles G
Restricted Stock Units · derivative
2025-12-18 Grant 5,027 $0.00
MacDiarmid John Hugh
Resricted Stock Units · derivative
2025-12-18 Grant 1,029 $0.00
MacDiarmid John Hugh
Restricted Stock Units · derivative
2025-12-18 Grant 5,865 $0.00
Matthews Shawn
Restricted Stock Units · derivative
2025-12-18 Grant 735 $0.00
Matthews Shawn
Restricted Stock Units · derivative
2025-12-18 Grant 4,190 $0.00
Matthews Shawn +1
Common Stock, par value $0.0001 per share
2025-11-06 Other 2,920,000
Matthews Shawn +1
Warrants · derivative
2025-11-06 Other 3,500,000
Brenner Andrew Scott
Common Stock, par value $0.0001 per share
2025-10-28 Other 25,000
Loveless Jacob
Common Stock, par value $0.0001 per share
2025-10-28 Other 25,000
Matthews Shawn +1
Common Stock, par value $0.0001 per share
2025-10-28 Other 5,675,000
showing 20 of 29 most recent transactions
Form 13F Holdings
Firm Period DFND Voting Shares
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 38,150 38,150
SLT Holdings LLC [2026-06-30] SOLE 0 21,000
Valeo Financial Advisors LLC [2026-06-30] SOLE 15,000 15,000
Farther Finance Advisors LLC [2026-06-30] SOLE 0 301
FNY Investment Advisers LLC [2026-06-30] SOLE 151,650 151
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