Insider Ledger
MIR insider buying and SEC filings, explained
Mirion Technologies, Inc. · CIK 1809987
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Measuring & Controlling Devices, NEC
- Fiscal year end
- Dec 31
- Former names
- GS Acquisition Holdings Corp II
Insider activity in the last 12 months
Bought
$312K
Insiders who bought
1
Sold (not marked 10b5-1)
$17.2M
Planned sales (10b5-1)
$3.1M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 2, 2026 | Purchase (code P) | Brian Schopfer (CFO) bought 20,000 shares at $15.60 ($312K), reported as a purchase (code P). Holdings up 2% to 933,290 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 2, 2026 |
| May 7, 2026 | Sale | Christopher A. Moore (Chief Accounting Officer (PAO)) sold 8,400 shares at $19.64 ($165K). Holdings down 27% to 22,157 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 8, 2026 |
| Dec 10, 2025 | Sale | Lawrence D Kingsley (Director) sold 350,000 shares indirectly (by trust) at $24.73 ($8.7M). Holdings by trust down 9% to 3,509,075 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 12, 2025 |
| Nov 21, 2025 | Sale | Lawrence D Kingsley (Director) sold 300,000 shares indirectly (by trust) at $23.83 ($7.1M). Holdings by trust down 7% to 3,900,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 21, 2025 |
| Nov 11, 2025 | Sale | Loic Eloy (President / COO) sold 45,000 shares at $27.24 ($1.2M). Holdings down 32% to 97,770 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 12, 2025 |
| Nov 10, 2025 | Planned (10b5-1) | Emmanuelle Lee (Chief Legal Officer) sold 12,500 shares at $27.41 ($343K), marked as a 10b5-1 plan trade. Holdings down 13% to 84,640 shares. | SEC filing Filed Nov 12, 2025 |
| Nov 6, 2025 | Planned (10b5-1) | Brian Schopfer (CFO) sold 100,000 shares at about $27.66 ($2.8M), marked as a 10b5-1 plan trade. Holdings down 10% to 904,432 shares. | SEC filing Filed Nov 10, 2025 |
33 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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