Terrestrial Energy Inc. /DE/ SEC filings

CIK 2019804

dateformdocument
2026-10-214https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-427979.txt
2026-10-213https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-427975.txt
2026-10-154https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-423068.txt
2026-10-144https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-421089.txt
2026-10-134https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-420002.txt
2026-08-14424B3https://www.sec.gov/Archives/edgar/data/2019804/0002019804-26-000027.txt
2026-08-118-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-093776.txt
2026-08-1110-Qhttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-094085.txt
2026-07-318-Khttps://www.sec.gov/Archives/edgar/data/2019804/0002019804-26-000021.txt
2026-07-314https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-328808.txt
2026-07-313https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-328703.txt
2026-07-288-Khttps://www.sec.gov/Archives/edgar/data/2019804/0002019804-26-000018.txt
2026-07-274https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-318233.txt
2026-07-273https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-318156.txt
2026-07-218-Khttps://www.sec.gov/Archives/edgar/data/2019804/0002019804-26-000013.txt
2026-07-178-Khttps://www.sec.gov/Archives/edgar/data/2019804/0002019804-26-000006.txt
2026-06-128-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-073471.txt
2026-06-11EFFECThttps://www.sec.gov/Archives/edgar/data/2019804/9999999995-26-001960.txt
2026-06-05POS AMhttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-071014.txt
2026-05-19S-8https://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-063860.txt
2026-05-148-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-060716.txt
2026-05-14424B3https://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-061280.txt
2026-05-14424B3https://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-061279.txt
2026-05-1410-Qhttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-061234.txt
2026-05-088-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-057977.txt
2026-04-29DEFA14Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-051678.txt
2026-04-29DEF 14Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-051655.txt
2026-04-29ARShttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-051687.txt
2026-04-168-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-044426.txt
2026-04-144https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-155213.txt
2026-04-144https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-155212.txt
2026-04-144https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-155211.txt
2026-04-144https://www.sec.gov/Archives/edgar/data/2019804/0001193125-26-155209.txt
2026-03-31Dhttps://www.sec.gov/Archives/edgar/data/2019804/0002019804-26-000001.txt
2026-03-30POS EXhttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-036902.txt
2026-03-30POS EXhttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-036900.txt
2026-03-308-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-036467.txt
2026-03-30424B3https://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-036893.txt
2026-03-30424B3https://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-036889.txt
2026-03-3010-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-036846.txt
2026-02-17SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-016540.txt
2026-02-173/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001193805-26-000145.txt
2026-01-298-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-007880.txt
2026-01-22SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0001193805-26-000054.txt
2026-01-223https://www.sec.gov/Archives/edgar/data/2019804/0001193805-26-000053.txt
2026-01-094/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0000950138-26-000002.txt
2026-01-05S-8https://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-000287.txt
2026-01-05424B3https://www.sec.gov/Archives/edgar/data/2019804/0001104659-26-000702.txt
2025-12-30424B3https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-125280.txt
2025-12-23EFFECThttps://www.sec.gov/Archives/edgar/data/2019804/9999999995-25-003908.txt
2025-12-23CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-124059.txt
2025-12-22S-1/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-123776.txt
2025-12-224https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-124579.txt
2025-12-224https://www.sec.gov/Archives/edgar/data/2019804/0000950138-25-000045.txt
2025-12-224https://www.sec.gov/Archives/edgar/data/2019804/0000950138-25-000043.txt
2025-12-224https://www.sec.gov/Archives/edgar/data/2019804/0000950138-25-000041.txt
2025-12-224https://www.sec.gov/Archives/edgar/data/2019804/0000950138-25-000039.txt
2025-12-224https://www.sec.gov/Archives/edgar/data/2019804/0000950138-25-000036.txt
2025-12-224https://www.sec.gov/Archives/edgar/data/2019804/0000950138-25-000034.txt
2025-11-26S-1https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-116127.txt
2025-11-248-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-115406.txt
2025-11-2110-Q/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-114702.txt
2025-11-148-K/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-112689.txt
2025-11-1410-Qhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-111005.txt
2025-11-134https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-110214.txt
2025-11-12SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001193125-25-276403.txt
2025-11-12SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-109826.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108635.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108634.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108633.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108631.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108630.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108628.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108627.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108626.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108624.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108622.txt
2025-11-073https://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-108621.txt
2025-11-04SCHEDULE 13Dhttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-106326.txt
2025-11-04SCHEDULE 13Dhttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-106325.txt
2025-11-038-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-105304.txt
2025-10-304https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-104334.txt
2025-10-304https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-104333.txt
2025-10-304https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-104332.txt
2025-10-304https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-104331.txt
2025-10-304https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-104323.txt
2025-10-298-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-103554.txt
2025-10-228-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-101312.txt
2025-10-22425https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-101317.txt
2025-10-02425https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-094894.txt
2025-09-30SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-095148.txt
2025-09-298-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-093191.txt
2025-09-29425https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-093218.txt
2025-09-26EFFECThttps://www.sec.gov/Archives/edgar/data/2019804/9999999995-25-003111.txt
2025-09-26424B3https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-092372.txt
2025-09-24CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-091165.txt
2025-09-23S-4/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-090697.txt
2025-09-16S-4/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-087999.txt
2025-09-16CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-088002.txt
2025-09-12UPLOADhttps://www.sec.gov/Archives/edgar/data/2019804/0000000000-25-009937.txt
2025-09-04S-4/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-084249.txt
2025-09-04425https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-084561.txt
2025-09-03CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-084250.txt
2025-08-28UPLOADhttps://www.sec.gov/Archives/edgar/data/2019804/0000000000-25-009233.txt
2025-08-15S-4/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-077577.txt
2025-08-15CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-077580.txt
2025-08-15425https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-077331.txt
2025-08-14SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001604488-25-000194.txt
2025-08-14SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-078745.txt
2025-08-14SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001011438-25-000426.txt
2025-08-13SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001085146-25-005006.txt
2025-08-1210-Qhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-075067.txt
2025-08-08SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-075509.txt
2025-08-06SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001539041-25-000029.txt
2025-08-06425https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-072631.txt
2025-07-30UPLOADhttps://www.sec.gov/Archives/edgar/data/2019804/0000000000-25-008008.txt
2025-07-17S-4https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-065231.txt
2025-07-17CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-065240.txt
2025-07-1710-Q/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-064899.txt
2025-07-1710-K/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-064894.txt
2025-07-158-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-064264.txt
2025-06-26UPLOADhttps://www.sec.gov/Archives/edgar/data/2019804/0000000000-25-006720.txt
2025-06-24425https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-057251.txt
2025-06-24425https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-057249.txt
2025-06-02SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-25-055545.txt
2025-05-30DRShttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-049574.txt
2025-05-27425https://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-047873.txt
2025-05-2010-Qhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-045957.txt
2025-05-16NT 10-Qhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-044645.txt
2025-05-15SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001604488-25-000145.txt
2025-05-14SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001085146-25-003115.txt
2025-05-12SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0000769993-25-000272.txt
2025-03-31SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0000950170-25-047283.txt
2025-03-3110-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-25-026419.txt
2025-03-28425https://www.sec.gov/Archives/edgar/data/2019804/0001013762-25-003481.txt
2025-03-26DEFA14Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001013762-25-002489.txt
2025-03-268-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001013762-25-002481.txt
2025-03-26425https://www.sec.gov/Archives/edgar/data/2019804/0001013762-25-002826.txt
2025-03-26425https://www.sec.gov/Archives/edgar/data/2019804/0001013762-25-002487.txt
2025-03-21SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0000312069-25-000268.txt
2025-02-13SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001085146-25-001340.txt
2025-02-12SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0000769993-25-000127.txt
2025-02-11SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001420506-25-000274.txt
2025-02-07SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0000312069-25-000093.txt
2024-11-14SC 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0001604488-24-000290.txt
2024-11-14SC 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0001085146-24-005807.txt
2024-11-14SC 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0001011438-24-000697.txt
2024-11-1310-Qhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-24-097511.txt
2024-11-06SC 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0001104659-24-114660.txt
2024-10-17SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0001420506-24-002130.txt
2024-10-108-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-24-086727.txt
2024-09-2710-Qhttps://www.sec.gov/Archives/edgar/data/2019804/0001213900-24-082719.txt
2024-08-26SC 13Ghttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-038579.txt
2024-08-238-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-038406.txt
2024-08-208-Khttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037870.txt
2024-08-204https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037986.txt
2024-08-204https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037984.txt
2024-08-204https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037982.txt
2024-08-204https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037978.txt
2024-08-16424B4https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037680.txt
2024-08-15EFFECThttps://www.sec.gov/Archives/edgar/data/2019804/9999999995-24-002538.txt
2024-08-15CERThttps://www.sec.gov/Archives/edgar/data/2019804/0001354457-24-000570.txt
2024-08-158-A12Bhttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037444.txt
2024-08-153https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037550.txt
2024-08-153https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037549.txt
2024-08-153https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037548.txt
2024-08-153https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037547.txt
2024-08-153https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037546.txt
2024-08-13CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037101.txt
2024-08-13CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-037100.txt
2024-08-02S-1/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-035550.txt
2024-08-02CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-035552.txt
2024-07-31UPLOADhttps://www.sec.gov/Archives/edgar/data/2019804/0000000000-24-008700.txt
2024-07-19S-1/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-033640.txt
2024-07-19CORRESPhttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-033641.txt
2024-07-10UPLOADhttps://www.sec.gov/Archives/edgar/data/2019804/0000000000-24-007828.txt
2024-07-05S-1/Ahttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-032445.txt
2024-06-18S-1https://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-030416.txt
2024-05-24UPLOADhttps://www.sec.gov/Archives/edgar/data/2019804/0000000000-24-006045.txt
2024-04-26DRShttps://www.sec.gov/Archives/edgar/data/2019804/0001140361-24-022515.txt

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