MIR

Mirion Technologies, Inc.

Insider trading activity for Mirion Technologies, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

+$312K

net buying

Bought(1 · 1 insiders): $312K
Sold(0 · 0 insiders): $0

Past 6 months

+$147K

net buying

Bought(1 · 1 insiders): $312K
Sold(1 · 1 insiders): $165K

Past 12 months

-$20M

net selling

Bought(1 · 1 insiders): $312K
Sold(7 · 5 insiders): $20.3M

Transaction history

The 77 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 2	Schopfer Brian	Chief Financial Officer	PBUY★	20,000	$15.60	$312K	+2.2%	Open the original filing on SEC.gov
Jun 30	Kingsley Lawrence D	Director	AGRANT	1,095	$17.46	$19.1K	+1.5%	Open the original filing on SEC.gov
May 13	Rege Sheila	Director	AGRANT	7,383	—	—	+17.4%	Open the original filing on SEC.gov
May 13	Markopoulos Jody	Director	AGRANT	7,383	—	—	+10.0%	Open the original filing on SEC.gov
May 13	Kingsley Lawrence D	Director	AGRANT	7,383	—	—	+11.5%	Open the original filing on SEC.gov
May 13	Kuo John W	Director	AGRANT	7,383	—	—	+10.2%	Open the original filing on SEC.gov
May 13	Etzel Steven W.	Director	AGRANT	7,383	—	—	+9.2%	Open the original filing on SEC.gov
May 13	Cascella Robert	Director	AGRANT	7,383	—	—	+13.8%	Open the original filing on SEC.gov
May 13	Bockhorst Kenneth	Director	AGRANT	7,383	—	—	+10.6%	Open the original filing on SEC.gov
May 7	Moore Christopher A.	Chief Accounting…	SSELL	8,400	$19.64	$165K	-27.5%	Open the original filing on SEC.gov
May 6	Logan Thomas D	Chief Executive Officer	GGIFT	311,851	—	—	-85.7%	Open the original filing on SEC.gov
Apr 1	Ulrich Alison	Chief Human Resources…	FTAX	2,053	$18.59	$38.2K	-5.4%	Open the original filing on SEC.gov
Apr 1	Schopfer Brian	Chief Financial Officer	FTAX	7,377	$18.59	$137.1K	-0.8%	Open the original filing on SEC.gov
Apr 1	Moore Christopher A.	Chief Accounting…	FTAX	1,903	$18.59	$35.4K	-5.9%	Open the original filing on SEC.gov
Apr 1	Logan Thomas D	Chief Executive Officer	FTAX	22,614	$18.59	$420.4K	-5.9%	Open the original filing on SEC.gov
Apr 1	Lee Emmanuelle	Chief Legal Officer	FTAX	4,680	$18.59	$87K	-5.4%	Open the original filing on SEC.gov
Mar 31	Kingsley Lawrence D	Director	AGRANT	1,104	$17.32	$19.1K	+1.8%	Open the original filing on SEC.gov
Mar 2	Schopfer Brian	Chief Financial Officer	FTAX	28,499	$21.61	$615.9K	-3.0%	Open the original filing on SEC.gov
Mar 2	Schopfer Brian	Chief Financial Officer	AGRANT	64,906	—	—	+7.3%	Open the original filing on SEC.gov
Mar 2	Logan Thomas D	Chief Executive Officer	GGIFT	3.1M	—	—	-88.9%	Open the original filing on SEC.gov
Mar 2	Logan Thomas D	Chief Executive Officer	FTAX	127,184	$21.61	$2.7M	-3.5%	Open the original filing on SEC.gov
Mar 2	Logan Thomas D	Chief Executive Officer	AGRANT	318,632	—	—	+9.7%	Open the original filing on SEC.gov
Mar 2	Eloy Loic	Nuclear & Safety…	AGRANT	15,577	—	—	+15.9%	Open the original filing on SEC.gov
Mar 1	Schopfer Brian	Chief Financial Officer	FTAX	9,172	$21.61	$198.2K	-1.0%	Open the original filing on SEC.gov
Mar 1	Ulrich Alison	Chief Human Resources…	FTAX	2,360	$21.61	$51K	-5.8%	Open the original filing on SEC.gov
Mar 1	Ulrich Alison	Chief Human Resources…	AGRANT	5,552	—	—	+15.8%	Open the original filing on SEC.gov
Mar 1	Moore Christopher A.	Chief Accounting…	FTAX	1,397	$21.61	$30.2K	-4.1%	Open the original filing on SEC.gov
Mar 1	Moore Christopher A.	Chief Accounting…	AGRANT	5,552	—	—	+19.6%	Open the original filing on SEC.gov
Mar 1	Logan Thomas D	Chief Executive Officer	FTAX	20,650	$21.61	$446.2K	-0.6%	Open the original filing on SEC.gov
Mar 1	Lee Emmanuelle	Chief Legal Officer	FTAX	3,184	$21.61	$68.8K	-3.5%	Open the original filing on SEC.gov
Mar 1	Lee Emmanuelle	Chief Legal Officer	AGRANT	11,568	—	—	+14.7%	Open the original filing on SEC.gov
Dec 31, 2025	Kingsley Lawrence D	Director	AGRANT	806	$23.70	$19.1K	+1.3%	Open the original filing on SEC.gov
Dec 27, 2025	Schopfer Brian	Chief Financial Officer	FTAX	8,500	$23.76	$202K	-0.9%	Open the original filing on SEC.gov
Dec 27, 2025	Ulrich Alison	Chief Human Resources…	FTAX	134	$23.76	$3.2K	-0.4%	Open the original filing on SEC.gov
Dec 27, 2025	Logan Thomas D	Chief Executive Officer	FTAX	39,863	$23.76	$947.1K	-1.2%	Open the original filing on SEC.gov
Dec 27, 2025	Lee Emmanuelle	Chief Legal Officer	FTAX	5,913	$23.76	$140.5K	-7.0%	Open the original filing on SEC.gov
Dec 11, 2025	Kuo John W	Director	GGIFT	4,860	—	—	-6.3%	Open the original filing on SEC.gov
Dec 10, 2025	Kingsley Lawrence D	Director	SSELL	350,000	$24.73	$8.7M	-9.1%	Open the original filing on SEC.gov
Dec 8, 2025	Schopfer Brian	Chief Financial Officer	GGIFT	100	—	—	<0.1%	Open the original filing on SEC.gov
Dec 8, 2025	Bockhorst Kenneth	Director	GGIFT	9,680	—	—	-12.2%	Open the original filing on SEC.gov
Dec 5, 2025	Schopfer Brian	Chief Financial Officer	GGIFT	2,400	—	—	-0.3%	Open the original filing on SEC.gov
Nov 24, 2025	Kingsley Lawrence D	Director	GGIFT	40,925	—	—	-1.1%	Open the original filing on SEC.gov
Nov 21, 2025	Kingsley Lawrence D	Director	SSELL	300,000	$23.83	$7.1M	-7.1%	Open the original filing on SEC.gov
Nov 11, 2025	Eloy Loic	Nuclear & Safety…	SSELL	45,000	$27.24	$1.2M	-31.5%	Open the original filing on SEC.gov
Nov 10, 2025	Lee Emmanuelle	Chief Legal Officer	SSELL◷?	12,500	$27.41	$342.6K	-12.9%	Open the original filing on SEC.gov
Nov 6, 2025	Schopfer Brian	Chief Financial Officer	SSELL◷?	50,000	$27.66	$1.4M	-5.2%	Open the original filing on SEC.gov
Nov 6, 2025	Schopfer Brian	Chief Financial Officer	SSELL◷?	50,000	$27.65	$1.4M	-5.0%	Open the original filing on SEC.gov
Nov 6, 2025	Schopfer Brian	Chief Financial Officer	DTOISS◷?	100,000	—	—	-20.0%	Open the original filing on SEC.gov
Nov 6, 2025	Schopfer Brian	Chief Financial Officer	AGRANT◷?	100,000	—	—	+11.1%	Open the original filing on SEC.gov
Oct 30, 2025	Schopfer Brian	Chief Financial Officer	GGIFT	15,000	—	—	-1.6%	Open the original filing on SEC.gov
Oct 30, 2025	Logan Thomas D	Chief Executive Officer	GGIFT	106,188	—	—	-3.1%	Open the original filing on SEC.gov
Sep 30, 2025	Kingsley Lawrence D	Director	AGRANT	850	$22.49	$19.1K	+1.4%	Open the original filing on SEC.gov
Aug 12, 2025	Logan Thomas D	Chief Executive Officer	SSELL	175,000	$21.79	$3.8M	-4.7%	Open the original filing on SEC.gov
Aug 11, 2025	Logan Thomas D	Chief Executive Officer	SSELL	325,000	$21.31	$6.9M	-8.0%	Open the original filing on SEC.gov
Aug 5, 2025	Eloy Loic	Nuclear & Safety…	SSELL	22,166	$21.30	$472.1K	-13.4%	Open the original filing on SEC.gov
Jun 30, 2025	Markopoulos Jody	Director	AGRANT	880	—	—	+1.2%	Open the original filing on SEC.gov
Jun 30, 2025	Kuo John W	Director	AGRANT	1,024	—	—	+1.3%	Open the original filing on SEC.gov
Jun 25, 2025	Schopfer Brian	Chief Financial Officer	SSELL◷?	75,000	$21.00	$1.6M	-7.5%	Open the original filing on SEC.gov
Jun 25, 2025	Schopfer Brian	Chief Financial Officer	DTOISS◷?	75,000	—	—	-13.0%	Open the original filing on SEC.gov
Jun 25, 2025	Schopfer Brian	Chief Financial Officer	AGRANT◷?	75,000	—	—	+8.2%	Open the original filing on SEC.gov
May 21, 2025	Schopfer Brian	Chief Financial Officer	SSELL◷?	75,000	$18.27	$1.4M	-7.5%	Open the original filing on SEC.gov
May 21, 2025	Schopfer Brian	Chief Financial Officer	DTOISS◷?	75,000	—	—	-11.5%	Open the original filing on SEC.gov
May 21, 2025	Schopfer Brian	Chief Financial Officer	AGRANT◷?	75,000	—	—	+8.2%	Open the original filing on SEC.gov
May 21, 2025	Kingsley Lawrence D	Director	SSELL	150,000	$17.94	$2.7M	-100.0%	Open the original filing on SEC.gov
May 21, 2025	Kingsley Lawrence D	Director	SSELL	350,000	$17.95	$6.3M	-100.0%	Open the original filing on SEC.gov
May 15, 2025	Kingsley Lawrence D	Director	AGRANT↺	7,977	—	—	+15.0%	Open the original filing on SEC.gov
May 15, 2025	Rege Sheila	Director	AGRANT	7,977	—	—	+23.1%	Open the original filing on SEC.gov
May 15, 2025	Markopoulos Jody	Director	AGRANT	7,977	—	—	+12.2%	Open the original filing on SEC.gov
May 15, 2025	Kuo John W	Director	AGRANT	7,977	—	—	+11.6%	Open the original filing on SEC.gov
May 15, 2025	Etzel Steven W.	Director	AGRANT	7,977	—	—	+11.1%	Open the original filing on SEC.gov
May 15, 2025	Cascella Robert	Director	AGRANT	7,977	—	—	+17.5%	Open the original filing on SEC.gov
May 15, 2025	Bockhorst Kenneth	Director	AGRANT	7,977	—	—	+11.1%	Open the original filing on SEC.gov
May 14, 2025	Schopfer Brian	Chief Financial Officer	FTAX	29,149	$17.43	$508.1K	-3.1%	Open the original filing on SEC.gov
May 14, 2025	Schopfer Brian	Chief Financial Officer	AGRANT	65,154	—	—	+7.4%	Open the original filing on SEC.gov
May 14, 2025	Logan Thomas D	Chief Executive Officer	FTAX	89,430	$17.43	$1.6M	-2.1%	Open the original filing on SEC.gov
May 14, 2025	Logan Thomas D	Chief Executive Officer	AGRANT	213,234	—	—	+5.4%	Open the original filing on SEC.gov
May 14, 2025	Eloy Loic	Nuclear & Safety…	AGRANT	31,273	—	—	+23.4%	Open the original filing on SEC.gov

PBUY★$312K

Schopfer Brian · Chief Financial…Sep 2

20,000 sh @ $15.60 · +2.2% own

AGRANT$19.1K

Kingsley Lawrence D · DirectorJun 30

1,095 sh @ $17.46 · +1.5% own

AGRANT—

Rege Sheila · DirectorMay 13

7,383 sh · +17.4% own

AGRANT—

Markopoulos Jody · DirectorMay 13

7,383 sh · +10.0% own

AGRANT—

Kingsley Lawrence D · DirectorMay 13

7,383 sh · +11.5% own

AGRANT—

Kuo John W · DirectorMay 13

7,383 sh · +10.2% own

AGRANT—

Etzel Steven W. · DirectorMay 13

7,383 sh · +9.2% own

AGRANT—

Cascella Robert · DirectorMay 13

7,383 sh · +13.8% own

AGRANT—

Bockhorst Kenneth · DirectorMay 13

7,383 sh · +10.6% own

SSELL$165K

Moore Christopher A. · Chief Accounting…May 7

8,400 sh @ $19.64 · -27.5% own

GGIFT—

Logan Thomas D · Chief Executive…May 6

311,851 sh · -85.7% own

FTAX$38.2K

Ulrich Alison · Chief Human…Apr 1

2,053 sh @ $18.59 · -5.4% own

FTAX$137.1K

Schopfer Brian · Chief Financial…Apr 1

7,377 sh @ $18.59 · -0.8% own

FTAX$35.4K

Moore Christopher A. · Chief Accounting…Apr 1

1,903 sh @ $18.59 · -5.9% own

FTAX$420.4K

Logan Thomas D · Chief Executive…Apr 1

22,614 sh @ $18.59 · -5.9% own

FTAX$87K

Lee Emmanuelle · Chief Legal…Apr 1

4,680 sh @ $18.59 · -5.4% own

AGRANT$19.1K

Kingsley Lawrence D · DirectorMar 31

1,104 sh @ $17.32 · +1.8% own

FTAX$615.9K

Schopfer Brian · Chief Financial…Mar 2

28,499 sh @ $21.61 · -3.0% own

AGRANT—

Schopfer Brian · Chief Financial…Mar 2

64,906 sh · +7.3% own

GGIFT—

Logan Thomas D · Chief Executive…Mar 2

3.1M sh · -88.9% own

FTAX$2.7M

Logan Thomas D · Chief Executive…Mar 2

127,184 sh @ $21.61 · -3.5% own

AGRANT—

Logan Thomas D · Chief Executive…Mar 2

318,632 sh · +9.7% own

AGRANT—

Eloy Loic · Nuclear & Safety…Mar 2

15,577 sh · +15.9% own

FTAX$198.2K

Schopfer Brian · Chief Financial…Mar 1

9,172 sh @ $21.61 · -1.0% own

FTAX$51K

Ulrich Alison · Chief Human…Mar 1

2,360 sh @ $21.61 · -5.8% own

AGRANT—

Ulrich Alison · Chief Human…Mar 1

5,552 sh · +15.8% own

FTAX$30.2K

Moore Christopher A. · Chief Accounting…Mar 1

1,397 sh @ $21.61 · -4.1% own

AGRANT—

Moore Christopher A. · Chief Accounting…Mar 1

5,552 sh · +19.6% own

FTAX$446.2K

Logan Thomas D · Chief Executive…Mar 1

20,650 sh @ $21.61 · -0.6% own

FTAX$68.8K

Lee Emmanuelle · Chief Legal…Mar 1

3,184 sh @ $21.61 · -3.5% own

AGRANT—

Lee Emmanuelle · Chief Legal…Mar 1

11,568 sh · +14.7% own

AGRANT$19.1K

Kingsley Lawrence D · DirectorDec 31, 2025

806 sh @ $23.70 · +1.3% own

FTAX$202K

Schopfer Brian · Chief Financial…Dec 27, 2025

8,500 sh @ $23.76 · -0.9% own

FTAX$3.2K

Ulrich Alison · Chief Human…Dec 27, 2025

134 sh @ $23.76 · -0.4% own

FTAX$947.1K

Logan Thomas D · Chief Executive…Dec 27, 2025

39,863 sh @ $23.76 · -1.2% own

FTAX$140.5K

Lee Emmanuelle · Chief Legal…Dec 27, 2025

5,913 sh @ $23.76 · -7.0% own

GGIFT—

Kuo John W · DirectorDec 11, 2025

4,860 sh · -6.3% own

SSELL$8.7M

Kingsley Lawrence D · DirectorDec 10, 2025

350,000 sh @ $24.73 · -9.1% own

GGIFT—

Schopfer Brian · Chief Financial…Dec 8, 2025

100 sh · <0.1% own

GGIFT—

Bockhorst Kenneth · DirectorDec 8, 2025

9,680 sh · -12.2% own

GGIFT—

Schopfer Brian · Chief Financial…Dec 5, 2025

2,400 sh · -0.3% own

GGIFT—

Kingsley Lawrence D · DirectorNov 24, 2025

40,925 sh · -1.1% own

SSELL$7.1M

Kingsley Lawrence D · DirectorNov 21, 2025

300,000 sh @ $23.83 · -7.1% own

SSELL$1.2M

Eloy Loic · Nuclear & Safety…Nov 11, 2025

45,000 sh @ $27.24 · -31.5% own

SSELL◷?$342.6K

Lee Emmanuelle · Chief Legal…Nov 10, 2025

12,500 sh @ $27.41 · -12.9% own

SSELL◷?$1.4M

Schopfer Brian · Chief Financial…Nov 6, 2025

50,000 sh @ $27.66 · -5.2% own

SSELL◷?$1.4M

Schopfer Brian · Chief Financial…Nov 6, 2025

50,000 sh @ $27.65 · -5.0% own

DTOISS◷?—

Schopfer Brian · Chief Financial…Nov 6, 2025

100,000 sh · -20.0% own

AGRANT◷?—

Schopfer Brian · Chief Financial…Nov 6, 2025

100,000 sh · +11.1% own

GGIFT—

Schopfer Brian · Chief Financial…Oct 30, 2025

15,000 sh · -1.6% own

GGIFT—

Logan Thomas D · Chief Executive…Oct 30, 2025

106,188 sh · -3.1% own

AGRANT$19.1K

Kingsley Lawrence D · DirectorSep 30, 2025

850 sh @ $22.49 · +1.4% own

SSELL$3.8M

Logan Thomas D · Chief Executive…Aug 12, 2025

175,000 sh @ $21.79 · -4.7% own

SSELL$6.9M

Logan Thomas D · Chief Executive…Aug 11, 2025

325,000 sh @ $21.31 · -8.0% own

SSELL$472.1K

Eloy Loic · Nuclear & Safety…Aug 5, 2025

22,166 sh @ $21.30 · -13.4% own

AGRANT—

Markopoulos Jody · DirectorJun 30, 2025

880 sh · +1.2% own

AGRANT—

Kuo John W · DirectorJun 30, 2025

1,024 sh · +1.3% own

SSELL◷?$1.6M

Schopfer Brian · Chief Financial…Jun 25, 2025

75,000 sh @ $21.00 · -7.5% own

DTOISS◷?—

Schopfer Brian · Chief Financial…Jun 25, 2025

75,000 sh · -13.0% own

AGRANT◷?—

Schopfer Brian · Chief Financial…Jun 25, 2025

75,000 sh · +8.2% own

SSELL◷?$1.4M

Schopfer Brian · Chief Financial…May 21, 2025

75,000 sh @ $18.27 · -7.5% own

DTOISS◷?—

Schopfer Brian · Chief Financial…May 21, 2025

75,000 sh · -11.5% own

AGRANT◷?—

Schopfer Brian · Chief Financial…May 21, 2025

75,000 sh · +8.2% own

SSELL$2.7M

Kingsley Lawrence D · DirectorMay 21, 2025

150,000 sh @ $17.94 · -100.0% own

SSELL$6.3M

Kingsley Lawrence D · DirectorMay 21, 2025

350,000 sh @ $17.95 · -100.0% own

AGRANT↺—

Kingsley Lawrence D · DirectorMay 15, 2025

7,977 sh · +15.0% own

AGRANT—

Rege Sheila · DirectorMay 15, 2025

7,977 sh · +23.1% own

AGRANT—

Markopoulos Jody · DirectorMay 15, 2025

7,977 sh · +12.2% own

AGRANT—

Kuo John W · DirectorMay 15, 2025

7,977 sh · +11.6% own

AGRANT—

Etzel Steven W. · DirectorMay 15, 2025

7,977 sh · +11.1% own

AGRANT—

Cascella Robert · DirectorMay 15, 2025

7,977 sh · +17.5% own

AGRANT—

Bockhorst Kenneth · DirectorMay 15, 2025

7,977 sh · +11.1% own

FTAX$508.1K

Schopfer Brian · Chief Financial…May 14, 2025

29,149 sh @ $17.43 · -3.1% own

AGRANT—

Schopfer Brian · Chief Financial…May 14, 2025

65,154 sh · +7.4% own

FTAX$1.6M

Logan Thomas D · Chief Executive…May 14, 2025

89,430 sh @ $17.43 · -2.1% own

AGRANT—

Logan Thomas D · Chief Executive…May 14, 2025

213,234 sh · +5.4% own

AGRANT—

Eloy Loic · Nuclear & Safety…May 14, 2025

31,273 sh · +23.4% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

1 of 54 filings we hold was filed after the two-business-day deadline. The furthest past the deadline was 1 business day late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Dec 8, 2025	Dec 11, 2025	Bockhorst KennethDirector	1day	—	Filing ↗

Bockhorst KennethDirector

1day

Traded Dec 8, 2025 · filed Dec 11, 2025Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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