Terrestrial Energy Inc. Corporate Update – 22 October 2026
Market Performance (24‑Hour Period Ending 08:15 PM CET, Thursday 22 October 2026)
| Item | Value |
|---|---|
| Closing Price | USD 2.77 |
| Intraday Change | +5 % |
| Volume Traded | USD 5.3 million |
| Shares Outstanding | 105.9 million |
| Market Capitalisation | USD 296.6 million |
| 24‑Hour Turnover | USD 5.3 million |
| Year‑to‑Date Move | ‑36.5 % |
| 200‑Day Simple Moving Average | USD 6.55 |
| 52‑Week High | USD 21.60 (27 October 2025) |
| 52‑Week Low | USD 2.79 (20 October 2026) |
Terrestrial Energy’s shares closed at USD 2.77, reflecting a 5 % gain over the previous 24 hours. The daily volume of shares traded was USD 5.3 million, giving a turnover of the same amount. The company’s market capitalisation stands at USD 296.6 million, based on 105.9 million shares outstanding. Since the end of September, the stock has fallen 36.5 %. The 200‑day simple moving average is USD 6.55. The price range over the last 52 weeks spans from a high of USD 21.60 (27 October 2025) to a low of USD 2.79 (20 October 2026).
Recent Regulatory Filings
On 21 October 2026, Terrestrial Energy Inc. filed Form 3 and Form 4 with the U.S. Securities and Exchange Commission. The filings disclose:
- Executive Ownership – David Williams, Chief Commercial Officer, holds a significant stake through options granted under the 2025 Equity Incentive Plan.
- Option Terms – Exercisable in 2027, expiring in 2036, vesting in one‑third increments annually. The options cover 152,672 shares upon exercise.
- Power of Attorney – Authorises a designated attorney‑in‑fact to prepare and submit required SEC documents on Williams’s behalf, ensuring regulatory compliance.
These disclosures underscore the company’s commitment to transparency regarding executive holdings and regulatory reporting.
Peer Performance (Last 24 Hours)
| Ticker | Last Close | % Change | Market Cap (USD mn) | P/E Ratio | Notes |
|---|---|---|---|---|---|
| ORN | 8.47 | –0.46 % | 352.3 | 110.73 | CFO transition; interim CFO appointed |
| VITL | 9.41 | –0.49 % | 352.5 | 2,664.52 | — |
| OYSE | 10.42 | 0 % | 353.4 | — | — |
| BDCI | 10.15 | 0 % | 352.7 | 63.97 | Director holdings unchanged; no trades requiring clearance |
| MEC | 13.12 | +4.03 % | 354.2 | — | Quarterly cash‑flow statement released; stable cash position |
- Orion (ORN) – Shares declined by 0.46 %. The company announced a CFO change; an interim officer is overseeing financial operations pending a permanent replacement.
- Vital Farms (VITL) – Shares declined by 0.49 %. The company’s P/E ratio remains extremely high at 2,664.52.
- Oyster Ii Acq (OYSE) – Shares unchanged.
- BTC Development (BDCI) – Shares unchanged. Two directors reported no change in direct holdings after dividend‑reinvestment‑plan transactions; indirect holdings in two listed funds increased slightly.
- Mayville Engineering (MEC) – Shares rose by 4.03 %. The firm reported its quarterly cash‑flow statement, confirming compliance with the Pooled Development Funds Act 1992 and a stable cash position.
Summary
Terrestrial Energy Inc. experienced a 5 % increase in its share price during the 24‑hour period ending 08:15 PM CET on 22 October 2026. The company’s market capitalisation is USD 296.6 million, with a 200‑day moving average of USD 6.55. Recent SEC filings detail executive ownership through options and a power of attorney for reporting. Peer stocks displayed mixed movements, with Mayville Engineering leading gains and Orion and Vital Farms experiencing modest declines.
