Summary
Updated Aug 31, 2026
Andrew Scott Brenner files SEC Form 4 reports at Terrestrial Energy Inc. /DE/ (IMSR). 1 SEC Form 4 filing on record, dated 30 October 2025.
Recent Transactions
1Every recent SEC Form 4 transaction Andrew Scott Brenner has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Andrew Scott Brenner go back to 2025: 1 primary Form 4 filing, an average of 0.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Sector
No other insider has filed at Andrew Scott Brenner's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Adam C. Lipson - $794.11M of BLTH open-market activity in the last 12 months
- GLENCORE INTERNATIONAL AG - $599.06M of CENX open-market activity in the last 12 months
- WINDACRE PARTNERSHIP LLC - $391.22M of PRM open-market activity in the last 12 months
- Winder Pte. Ltd. - $233.37M of SXT open-market activity in the last 12 months
- Eric Sprott - $215.81M of HYMC open-market activity in the last 12 months
- James H. Litinsky - $117.97M of MP open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Andrew Scott Brenner?
Andrew Scott Brenner is a corporate insider of Terrestrial Energy Inc. /DE/ (IMSR). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Andrew Scott Brenner last file a Form 4?
The only primary Form 4 on record is dated 30 October 2025.
Where can I see all of Andrew Scott Brenner's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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