Here are the S-3 shelf registrations from Terrestrial Energy Inc. (IMSR) in our archive over the last 12 months, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
An S-3 covers the shelf registration that lets an established company sell over time, so if you follow IMSR and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full IMSR filings page.
Terrestrial Energy Inc. registered for resale up to 2,263,805 shares of Common Stock issuable upon exercise of stock options held by selling stockholder Louis Plowden-Wardlaw. The options were awarded during his employment with Terrestrial Energy Development, Inc. before its business combination with Terrestrial Energy. He may sell all or part of the shares through public or private transactions.
Terrestrial Energy will receive no proceeds from resales. If all the options are exercised for cash, the company would receive approximately $1.6 million, which it intends to use for general corporate purposes.
Terrestrial Energy Inc. (IMSR) registered a primary offering of up to 2,310,937 common shares for former holders of convertible notes issued by its subsidiary, Terrestrial Energy Development, Inc. The shares are issuable under the note terms and are to be issued on approximately November 25, 2026, the 21st trading day following expiration of the applicable lock-up period; the number will be determined on that date.
Terrestrial Energy will receive no proceeds from this issuance. Separately, its base shelf prospectus lists $500,000,000 in securities it may offer from time to time, including common and preferred stock, debt securities, warrants, rights and units. Unless a prospectus supplement provides otherwise, net proceeds from base-shelf sales are for working capital and general corporate purposes.