Mirion Technologies, Inc. (MIR)
Data as of , from SEC Form 4 filings.
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About Mirion Technologies, Inc. (MIR)
Mirion Technologies, Inc. is an SEC registrant, filing under CIK 0001809987, classified as measuring and controlling devices, nec. We track it alongside the rest of the Information Technology sector.
MIR Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 20,000 | $312K |
| Grant or award | 2 | 2,666 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
MIR insider transactions (Form 4)
3954 Form 4 filings on record, the earliest from Oct 28, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Brian Schopfer - Officer | Gift | Class A Common Stock | 15,000 footnote F1 | $0.00 | - | |
| ||||||
| Gift | Class A Common Stock | 106,188 footnote F1 | $0.00 | - | ||
| ||||||
| Lawrence D. Kingsley - Director | Grant or award | Class A Common Stock | 850 | $22.49 | $19K | |
| Open-market sale | Class A Common Stock | 325,000 | $21.31 | $6.93M | ||
| Open-market sale | Class A Common Stock | 175,000 | $21.79 | $3.81M | ||
| Open-market sale | Class A Common Stock | 22,166 | $21.30 | $472K | ||
| Jody Markopoulos - Director | Grant or award | Class A Common Stock | 880 | $0.00 | - | |
| Grant or award | Class A Common Stock | 1,024 | $0.00 | - | ||
| Lawrence D. Kingsley - Director | Open-market sale | Class A Common Stock | 350,000 | $17.95 | $6.28M | |
| Lawrence D. Kingsley - Director | Open-market sale | Class A Common Stock | 150,000 | $17.94 | $2.69M | |
| Lawrence D. Kingsley - Director | Grant or award | Class A Common Stock | 7,977 | $0.00 | - | |
| Robert Cascella - Director | Grant or award | Class A Common Stock | 7,977 | $0.00 | - | |
| Brian Schopfer - Officer | Tax withholding / forfeiture | Class A Common Stock | 8,538 | $18.10 | $155K | |
| Tax withholding / forfeiture | Class A Common Stock | 133 | $18.10 | $2K | ||
| Emmanuelle Lee - Officer | Tax withholding / forfeiture | Class A Common Stock | 5,913 | $18.10 | $107K | |
| Tax withholding / forfeiture | Class A Common Stock | 40,587 | $18.10 | $735K | ||
| Brian Schopfer - Officer | Other | Class A Common Stock | 525,000 | - | - | |
| Brian Schopfer - Officer | Other | Sponsor Units | 525,000 | - | - | |
| Other | Class A Common Stock | 2,400,000 | - | - | ||
| Other | Sponsor Units | 2,400,000 | - | - | ||
| Open-market sale | Class A Common Stock | 44,000 | $17.89 | $787K | ||
| Gift | Class A Common Stock | 8,300 | $0.00 | - | ||
| Brian Schopfer - Officer | Other | Class A Common Stock | 175,000 | - | - | |
| Brian Schopfer - Officer | Other | Sponsor Units | 175,000 | - | - | |
| Other | Class A Common Stock | 800,000 | - | - | ||
| Other | Sponsor Units | 800,000 | - | - | ||
| Lawrence D. Kingsley - Director | Other | Class A Common Stock | 1,050,000 | - | - | |
| Lawrence D. Kingsley - Director | Gift | Class A Common Stock | 1,050,000 | $0.00 | - | |
| Lawrence D. Kingsley - Director | Gift | Class A Common Stock | 1,050,000 | $0.00 | - | |
| Lawrence D. Kingsley - Director | Other | Sponsor Units | 1,050,000 | - | - | |
| Lawrence D. Kingsley - Director | Other | Class A Common Stock | 3,150,000 | - | - | |
| Lawrence D. Kingsley - Director | Gift | Class A Common Stock | 3,150,000 | $0.00 | - | |
| Lawrence D. Kingsley - Director | Other | Sponsor Units | 3,150,000 | - | - | |
| Emmanuelle Lee - Officer | Other | Class B Common Stock | 3,405 | - | - | |
| Emmanuelle Lee - Officer | Grant or award | Class A Common Stock | 3,405 | - | - | |
| Emmanuelle Lee - Officer | Open-market sale | Class A Common Stock | 3,405 | $14.27 | $49K | |
| Other | Class B Common Stock | 7,500 | - | - | ||
| Grant or award | Class A Common Stock | 7,500 | - | - | ||
| Open-market sale | Class A Common Stock | 7,500 | $14.11 | $106K | ||
Recent MIR Form 144 notices of proposed sale
1An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR |
MIR insider trading FAQ
What is the latest insider trade for MIR?
Mirion Technologies, Inc. (MIR) had 3 insider filings in the last 90 days, with the most recent on 2026-09-30. The full record for MIR runs to 54 Form 4 filings, the earliest from 2024-10-28. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying MIR stock?
1 insider purchase of MIR was filed in the last 90 days, totaling $312K.
How many insiders are selling MIR stock?
No insider sales of MIR were filed in the last 90 days. 14 sales are on record for this company.
Where can I see MIR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects MIR Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Lawrence D. Kingsley view on EDGAR
- - Jody Markopoulos view on EDGAR
- - Brian Schopfer view on EDGAR
- - Lawrence D. Kingsley view on EDGAR
- - Lawrence D. Kingsley view on EDGAR
- - Kenneth Bockhorst view on EDGAR
- - Robert Cascella view on EDGAR
- - Steven W. Etzel view on EDGAR
- - John W. Kuo view on EDGAR
Related companies with recent insider activity
Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where MIR's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- The daily trading plan of ranked insider buys, on a delay, with the plan archive