Summary
Updated Aug 31, 2026
Thomas D. Logan is Chief Executive Officer, Director of Mirion Technologies, Inc. (MIR). 9 SEC Form 4 filings on record going back to 2024, most recently on 7 May 2026. Most recent open-market trade: sold $3.81M of MIR on 11 August 2025. Lifetime open-market sales: $10.85M.
Recent Transactions
15Every recent SEC Form 4 transaction Thomas D. Logan has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Thomas D. Logan go back to 2024: 9 primary Form 4 filings, an average of 3.0 per year. 3 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Thomas D. Logan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Lawrence D. Kingsley - $7.15M of MIR open-market activity in the last 12 months
- Brian Schopfer - $2.77M of MIR open-market activity in the last 12 months
- Loic Eloy - $1.23M of MIR open-market activity in the last 12 months
- Emmanuelle Lee - $343K of MIR open-market activity in the last 12 months
- Christopher A. Moore - $165K of MIR 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 Thomas D. Logan?
Thomas D. Logan is a corporate insider, tracked as Chief Executive Officer, Director of Mirion Technologies, Inc. (MIR). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Thomas D. Logan last file a Form 4?
The most recent primary Form 4 on record is dated 7 May 2026, one of 9 filings going back to 2024.
Has Thomas D. Logan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($10.85M) across all tracked filings.
Where can I see all of Thomas D. Logan'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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