Terrestrial Energy Inc. /DE/ (IMSR) Form S-3 — Nov 3, 2026
Terrestrial Energy filed an S-3 registering up to 2,263,805 shares of common stock for resale by Louis Plowden-Wardlaw, a former General Counsel, representing roughly 2.7% of the company's 82,771,778 shares outstanding. The shares are issuable upon exercise of stock options granted during his prior employment with Terrestrial Energy Development before the October 2025 SPAC business combination. The company will receive no proceeds from the Selling Stockholder's sales; assuming full cash exercise of the options, Terrestrial Energy would receive only about $1.6 million for general corporate purposes. The stock closed at $3.46 on October 29, 2026 under the Nasdaq ticker IMSR.
Key figures
- Gross Proceeds
- $1.6 million to the company assuming full cash exercise of the stock options
- Offering Price
- $3.29 (fee-calc reference price)
- Shares Offered
- 2263805
- Shares Outstanding
- 82,771,778 shares before offering; 85,035,583 after full issuance; 105,790,799 shares and share equivalents including Exchangeable Shares
- Dilution percent
- 2.7
- Registration fee
- 647.97
- Warrant close price
- 0.63
- Closing price oct 29 2026
- 3.46
- Shares reserved under equity plans
- 19165531
AI analysis
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