Mirion Technologies (MIR) stock: insider trades, news & valuation
Industrials · Net sellingShare price and insider trades
Mirion Technologies insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $312K and 5 sold $20.3M of MIR stock on the open market; P/E 184.7 vs. a sector median of 26.6.
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MIR insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $312K | 1 | — | 0 |
| Q2 2026 | — | 0 | $165K | 1 |
| Q1 2026 | — | 0 | — | 0 |
| Q4 2025 | — | 0 | $20.1M | 6 |
Valuation, profit and volume
Pick score 45/100Summary
Over the past 12 months, 1 Mirion Technologies, Inc. insider reported open-market purchases totaling $312K, while 5 insiders reported sales totaling $20.3M. 3 of 7 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
MIR stock news and SEC filings
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 2SEC | Brian SchopferCFO | Buy | 20,000933,290 held (+2%) | $15.60 | $312K | +6.5% | — |
| May 8SEC | Christopher A. MooreChief Accounting Officer (Pao) | Sell | 8,40022,157 held (−27%) | $19.64 | $165K | -15.4% | — |
| Dec 12SEC | Lawrence D KingsleyDirector | Sell | 350,0003,509,075 held (−9%) | $24.73 | $8.7M | -32.8% | — |
| Nov 21SEC | Lawrence D KingsleyDirector | Sell | 300,0003,900,000 held (−7%) | $23.83 | $7.1M | -30.3% | — |
| Nov 12SEC | Loic EloyPresident | Sell | 45,00097,770 held (−32%) | $27.24 | $1.2M | -39.0% | — |
| Nov 12SEC | Emmanuelle LeeGeneral Counsel | Sell Plan | 12,50084,640 held (−13%) | $27.41 | $343K | -39.4% | — |
| Nov 10SEC | Brian SchopferCFO | Sell Plan | 50,000904,432 held (−5%) | $27.66 | $1.4M | -39.9% | — |
| Nov 10SEC | Brian SchopferCFO | Sell Plan | 50,000954,432 held (−5%) | $27.65 | $1.4M | -39.9% | — |
Insiders at Mirion Technologies, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Lawrence D KingsleyDirector | — | $15.8M | Dec 12, 2025 | — |
| Brian SchopferCFO | $312K | $2.8M | Sep 2, 2026 | — |
| Loic EloyPresident | — | $1.2M | Nov 12, 2025 | — |
| Emmanuelle LeeGeneral Counsel | — | $343K | Nov 12, 2025 | — |
| Christopher A. MooreChief Accounting Officer (Pao) | — | $165K | May 8, 2026 | — |
Insider activity at other Industrials companies
Same sector, ranked by insider buying in the last 90 days.
MIR stock: common questions
Are Mirion Technologies, Inc. insiders buying MIR stock?
In the past 12 months, 1 insiders reported open-market purchases of MIR worth $312K. The latest was CFO Brian Schopfer bought $312K of MIR at $15.60 — first open-market purchase in our records.
Are Mirion Technologies, Inc. insiders selling MIR stock?
5 insiders reported sales worth $20.3M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is MIR's P/E ratio?
MIR trades at about 184.7 times trailing earnings, compared with a median of 26.6 for the Industrials sector.
What is MIR's 52-week range?
Over the past year MIR has traded between $14.12 and $29.75. It last closed at $16.62 on Oct 9, 2026.