United States Holding Companies

Mirion Technologies, Inc. (MIR)

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Mirion Technologies recently observed a notable purchase by Chief Financial Officer Brian Schopfer, who acquired shares valued at $312,000 on September 2, 2026. This transaction represents the sole insider activity over the past ninety days. The company's stock has declined 16.5% during this period, following a positive earnings report in July.
Ticker: MIR Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Schopfer Brian Chief Financial Officer Officer
Transaction date
Purchase
Price
307.54
Quantity 1,549 -40.9%
Value US$973,699
3.2
Moore Christopher A. Chief Accounting Officer (PAO) Officer
Transaction date
Sale
Price
214.91
Quantity 4,467 +28.8%
Value US$4,050,476
3.2
CHRISTOPHER MOORE Officer Officer
Transaction date
Proposed sale
Price
207.99
Quantity 84,340
Value US$3,143,471
2.9
Kingsley Lawrence D Non-Executive Director
Transaction date
Sale
Price
24.73
Quantity 350,000 -9.1%
Value US$8,654,800
2.9
Kingsley Lawrence D Non-Executive Director
Transaction date
Sale
Price
23.83
Quantity 300,000 -7.1%
Value US$7,148,400
3.3
Eloy Loic Nuclear & Safety President Officer
Transaction date
Sale
Price
27.24
Quantity 45,000 -31.5%
Value US$1,225,683
Lee Emmanuelle Chief Legal Officer Officer
Transaction date
Planned sale
Price
27.41
Quantity 12,500 -12.9%
Value US$342,642
EMMANUELLE LEE Officer Officer
Transaction date
Proposed sale
Price
27.45
Quantity 12,500
Value US$343,125
Schopfer Brian Chief Financial Officer Officer
Transaction date
Planned sale
Price
27.66
Quantity 50,000 -5.2%
Value US$1,382,800
Schopfer Brian Chief Financial Officer Officer
Transaction date
Planned sale
Price
27.65
Quantity 50,000 -5.0%
Value US$1,382,620
Schopfer Brian Officer Officer
Transaction date
Proposed sale
Price
27.65
Quantity 100,000
Value US$2,765,420
1.1
Logan Thomas D Chief Executive Officer Executive Director
Transaction date
Sale
Price
21.79
Quantity 175,000 -4.7%
Value US$3,813,635
1.1
Logan Thomas D Chief Executive Officer Executive Director
Transaction date
Sale
Price
21.31
Quantity 325,000 -8.0%
Value US$6,927,148
1.1
Thomas Logan Officer; Chairman of the Board Officer
Transaction date
Proposed sale
Price
21.31
Quantity 500,000
Value US$10,655,000
3.3
Eloy Loic Nuclear & Safety President Officer
Transaction date
Sale
Price
21.30
Quantity 22,166 -13.4%
Value US$472,138
3.3
LOIC ELOY Officer Officer
Transaction date
Proposed sale
Price
21.30
Quantity 22,166
Value US$472,136
Schopfer Brian Chief Financial Officer Officer
Transaction date
Planned sale
Price
21.00
Quantity 75,000 -7.5%
Value US$1,575,000
Schopfer Brian Officer Officer
Transaction date
Proposed sale
Price
21.00
Quantity 75,000
Value US$1,575,000
Schopfer Brian Chief Financial Officer Officer
Transaction date
Planned sale
Price
18.27
Quantity 75,000 -7.5%
Value US$1,370,002
2.9
Kingsley Lawrence D Non-Executive Director
Transaction date
Sale
Price
17.94
Quantity 150,000 -100.0%
Value US$2,691,600
2.9
Kingsley Lawrence D Non-Executive Director
Transaction date
Sale
Price
17.95
Quantity 350,000 -100.0%
Value US$6,280,750
2.9
Kingsley Lawrence D Member of immediate family of any of the foregoing
Transaction date
Proposed sale
Price
17.67
Quantity 150,000
Value US$2,650,000
Schopfer Brian Officer Officer
Transaction date
Proposed sale
Price
18.11
Quantity 75,000
Value US$1,358,250
2.9
Diane Kingsley Revocable Trust Member of immediate family of any of the foregoing
Transaction date
Proposed sale
Price
17.91
Quantity 350,000
Value US$6,269,550
1.1
Logan Thomas D Former Affiliate
Transaction date
Proposed sale
Price
17.74
Quantity 7,500
Value US$133,050
1.1
Logan Thomas D Former Affiliate
Transaction date
Proposed sale
Price
17.71
Quantity 7,500
Value US$132,825
3.3
Eloy Loic Technologies Group President Officer
Transaction date
Sale
Price
17.89
Quantity 44,000 -24.8%
Value US$787,160
1.1
Logan Thomas D Former Affiliate
Transaction date
Proposed sale
Price
16.92
Quantity 7,500
Value US$126,900
1.1
Logan Thomas D Officer; CEO Officer
Transaction date
Proposed sale
Price
16.92
Quantity 7,500
Value US$126,900
Lee Emmanuelle Chief Legal Officer Officer
Transaction date
Planned sale
Price
14.27
Quantity 3,405 -100.0%
Value US$48,603
1.1
Logan Thomas D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
14.11
Quantity 7,500 -100.0%
Value US$105,815
1.1
Logan Thomas D Officer; CEO Officer
Transaction date
Proposed sale
Price
13.87
Quantity 7,500
Value US$104,025
Lee Emmanuelle Chief Legal Officer Officer
Transaction date
Planned sale
Price
10.60
Quantity 5,000 -100.0%
Value US$52,984
1.1
Logan Thomas D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
10.47
Quantity 7,500 -100.0%
Value US$78,549
1.1
Logan Thomas D Officer; CEO Officer
Transaction date
Proposed sale
Price
10.75
Quantity 7,500
Value US$80,625
Lee Emmanuelle Chief Legal Officer Officer
Transaction date
Planned sale
Price
11.01
Quantity 5,000 -100.0%
Value US$55,050
1.1
Logan Thomas D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
11.00
Quantity 7,500 -100.0%
Value US$82,490
1.1
Logan Thomas D Officer; CEO Officer
Transaction date
Proposed sale
Price
10.89
Quantity 7,500
Value US$81,675
3.3
Eloy Loic Technologies Group President Officer
Transaction date
Sale
Price
9.91
Quantity 22,139 -11.1%
Value US$219,311
3.3
Eloy Loic Officer Officer
Transaction date
Proposed sale
Price
9.75
Quantity 22,139
Value US$215,855
1.1
Logan Thomas D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
10.87
Quantity 7,500 -100.0%
Value US$81,503
Lee Emmanuelle Chief Legal Officer Officer
Transaction date
Planned sale
Price
10.80
Quantity 5,000 -100.0%
Value US$53,980
1.1
Logan Thomas D Officer; CEO Officer
Transaction date
Proposed sale
Price
10.98
Quantity 7,500
Value US$82,350
Lee Emmanuelle Chief Legal Officer Officer
Transaction date
Planned sale
Price
10.76
Quantity 5,000 -100.0%
Value US$53,800
GS Sponsor II LLC Former 10% owner within 90 days Large shareholder
Transaction date
Proposed sale
Price
10.95
Quantity 1,768,000
Value US$19,359,600
1.1
Logan Thomas D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
10.89
Quantity 7,500 -100.0%
Value US$81,675
1.1
Logan Thomas D Officer; CEO Officer
Transaction date
Proposed sale
Price
10.83
Quantity 7,500
Value US$81,225
3.2
Moore Christopher A. Officer Officer
Transaction date
Proposed sale
Price
10.29
Quantity 8,153
Value US$83,868
3.2
Moore Christopher A. Chief Accounting Officer (PAO) Officer
Transaction date
Sale
Price
10.29
Quantity 8,153 -22.5%
Value US$83,894
Lee Emmanuelle Chief Legal Officer Officer
Transaction date
Planned sale
Price
10.17
Quantity 5,000 -100.0%
Value US$50,850
1.1
Logan Thomas D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
10.86
Quantity 7,500 -100.0%
Value US$81,450
1.1
Logan Thomas D Officer; CEO Officer
Transaction date
Proposed sale
Price
10.86
Quantity 7,500
Value US$81,466
Schopfer Brian Chief Financial Officer Officer
Transaction date
Planned sale
Price
11.00
Quantity 90,910 -30.1%
Value US$1,000,010
Schopfer Brian Officer Officer
Transaction date
Proposed sale
Price
11.00
Quantity 90,910
Value US$1,000,010
3.2
Moore Christopher A. Chief Accounting Officer (PAO) Officer
Transaction date
Sale
Price
7.92
Quantity 3,430 -9.6%
Value US$27,166
3.3
Eloy Loic Industrial Group President Officer
Transaction date
Sale
Price
0.00
Quantity 40,000
Value US$0
0.6
GSAM Holdings LLC Non-Executive Director Large shareholder
Transaction date
Sale
Price
6.06
Quantity 2,700 -100.0%
Value US$16,356
2.7
REINEMUND STEVEN Non-Executive Director
Transaction date
Purchase
Price
0.00
Quantity 100,000
Value US$0
Frist William H. Non-Executive Director
Transaction date
Purchase
Price
0.00
Quantity 300,000
Value US$0
Robinson David M. Non-Executive Director
Transaction date
Purchase
Price
0.00
Quantity 200,000
Value US$0
2.9
Sullivan Martha N. Non-Executive Director
Transaction date
Purchase
Price
0.00
Quantity 35,000
Value US$0
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-02 2026-09-02 B Purchase
Schopfer Brian

Chief Financial Officer

Officer
1,549 -40.9%
307.54
US$973,699 		1,549 -40.9% 307.54 US$973,699
2026-05-08 2026-05-07 S Sale
3.2
Moore Christopher A.

Chief Accounting Officer (PAO)

Officer
4,467 +28.8%
214.91
US$4,050,476 		4,467 +28.8% 214.91 US$4,050,476
2026-05-07 2026-05-07 PrS Proposed sale
3.2
CHRISTOPHER MOORE

Officer

Officer
84,340
207.99
US$3,143,471 		84,340 207.99 US$3,143,471
2025-12-12 2025-12-10 S Sale
2.9
Kingsley Lawrence D
Non-Executive Director
350,000 -9.1%
24.73
US$8,654,800 		350,000 -9.1% 24.73 US$8,654,800
2025-12-10 2025-12-10 PrS Proposed sale
2.9
Lawrence D Kingsley Revocable Trust TTEE Lawrence D Kingsley dtd 3/20/06

Director

Non-Executive Director
350,000
25.00
US$8,750,000 		350,000 25.00 US$8,750,000
2025-11-21 2025-11-21 PrS Proposed sale
2.9
Lawrence D Kingsley Revocable Trust TTEE Lawrence D Kingsley dtd 3/20/06

Director

Non-Executive Director
300,000
23.75
US$7,125,000 		300,000 23.75 US$7,125,000
2025-11-21 2025-11-21 S Sale
2.9
Kingsley Lawrence D
Non-Executive Director
300,000 -7.1%
23.83
US$7,148,400 		300,000 -7.1% 23.83 US$7,148,400
2025-11-12 2025-11-11 S Sale
3.3
Eloy Loic

Nuclear & Safety President

Officer
45,000 -31.5%
27.24
US$1,225,683 		45,000 -31.5% 27.24 US$1,225,683
2025-11-12 2025-11-10 PlS Planned sale
Lee Emmanuelle

Chief Legal Officer

Officer
12,500 -12.9%
27.41
US$342,642 		12,500 -12.9% 27.41 US$342,642
2025-11-10 2025-11-10 PrS Proposed sale
EMMANUELLE LEE

Officer

Officer
12,500
27.45
US$343,125 		12,500 27.45 US$343,125
2025-11-10 2025-11-06 PlS Planned sale
Schopfer Brian

Chief Financial Officer

Officer
50,000 -5.2%
27.66
US$1,382,800 		50,000 -5.2% 27.66 US$1,382,800
2025-11-10 2025-11-06 PlS Planned sale
Schopfer Brian

Chief Financial Officer

Officer
50,000 -5.0%
27.65
US$1,382,620 		50,000 -5.0% 27.65 US$1,382,620
2025-11-06 2025-11-06 PrS Proposed sale
Schopfer Brian

Officer

Officer
100,000
27.65
US$2,765,420 		100,000 27.65 US$2,765,420
2025-08-13 2025-08-12 S Sale
1.1
Logan Thomas D

Chief Executive Officer

Executive Director
175,000 -4.7%
21.79
US$3,813,635 		175,000 -4.7% 21.79 US$3,813,635
2025-08-13 2025-08-11 S Sale
1.1
Logan Thomas D

Chief Executive Officer

Executive Director
325,000 -8.0%
21.31
US$6,927,148 		325,000 -8.0% 21.31 US$6,927,148
2025-08-11 2025-08-11 PrS Proposed sale
1.1
Thomas Logan

Officer; Chairman of the Board

Officer
500,000
21.31
US$10,655,000 		500,000 21.31 US$10,655,000
2025-08-06 2025-08-05 S Sale
3.3
Eloy Loic

Nuclear & Safety President

Officer
22,166 -13.4%
21.30
US$472,138 		22,166 -13.4% 21.30 US$472,138
2025-08-05 2025-08-05 PrS Proposed sale
3.3
LOIC ELOY

Officer

Officer
22,166
21.30
US$472,136 		22,166 21.30 US$472,136
2025-06-27 2025-06-25 PlS Planned sale
Schopfer Brian

Chief Financial Officer

Officer
75,000 -7.5%
21.00
US$1,575,000 		75,000 -7.5% 21.00 US$1,575,000
2025-06-25 2025-06-25 PrS Proposed sale
Schopfer Brian

Officer

Officer
75,000
21.00
US$1,575,000 		75,000 21.00 US$1,575,000
2025-05-23 2025-05-21 PlS Planned sale
Schopfer Brian

Chief Financial Officer

Officer
75,000 -7.5%
18.27
US$1,370,002 		75,000 -7.5% 18.27 US$1,370,002
2025-05-23 2025-05-21 S Sale
2.9
Kingsley Lawrence D
Non-Executive Director
150,000 -100.0%
17.94
US$2,691,600 		150,000 -100.0% 17.94 US$2,691,600
2025-05-23 2025-05-21 S Sale
2.9
Kingsley Lawrence D
Non-Executive Director
350,000 -100.0%
17.95
US$6,280,750 		350,000 -100.0% 17.95 US$6,280,750
2025-05-21 2025-05-21 PrS Proposed sale
2.9
Kingsley Lawrence D

Member of immediate family of any of the foregoing
150,000
17.67
US$2,650,000 		150,000 17.67 US$2,650,000
2025-05-21 2025-05-21 PrS Proposed sale
Schopfer Brian

Officer

Officer
75,000
18.11
US$1,358,250 		75,000 18.11 US$1,358,250
2025-05-21 2025-05-21 PrS Proposed sale
2.9
Diane Kingsley Revocable Trust

Member of immediate family of any of the foregoing
350,000
17.91
US$6,269,550 		350,000 17.91 US$6,269,550
2025-01-23 2025-01-23 PrS Proposed sale
1.1
Logan Thomas D

Former Affiliate
7,500
17.74
US$133,050 		7,500 17.74 US$133,050
2024-12-23 2024-12-23 PrS Proposed sale
1.1
Logan Thomas D

Former Affiliate
7,500
17.71
US$132,825 		7,500 17.71 US$132,825
2024-12-17 2024-12-13 S Sale
3.3
Eloy Loic

Technologies Group President

Officer
44,000 -24.8%
17.89
US$787,160 		44,000 -24.8% 17.89 US$787,160
2024-11-26 2024-11-25 PrS Proposed sale
1.1
Logan Thomas D

Former Affiliate
7,500
16.92
US$126,900 		7,500 16.92 US$126,900
2024-11-25 2024-11-25 PrS Proposed sale
1.1
Logan Thomas D

Officer; CEO

Officer
7,500
16.92
US$126,900 		7,500 16.92 US$126,900
2024-11-04 2024-10-31 PlS Planned sale
Lee Emmanuelle

Chief Legal Officer

Officer
3,405 -100.0%
14.27
US$48,603 		3,405 -100.0% 14.27 US$48,603
2024-10-28 2024-10-24 PlS Planned sale
1.1
Logan Thomas D

Chief Executive Officer

Executive Director
7,500 -100.0%
14.11
US$105,815 		7,500 -100.0% 14.11 US$105,815
2024-10-24 2024-10-24 PrS Proposed sale
1.1
Logan Thomas D

Officer; CEO

Officer
7,500
13.87
US$104,025 		7,500 13.87 US$104,025
2024-09-25 2024-09-25 PrS Proposed sale
THE LEE REVOCABLE LT U/T/D 7/9/2007 U/T/A DTD 07/09/2007

Officer

Officer
20,000
10.51
US$210,200 		20,000 10.51 US$210,200
2024-09-26 2024-09-24 PlS Planned sale
Lee Emmanuelle

Chief Legal Officer

Officer
5,000 -100.0%
10.60
US$52,984 		5,000 -100.0% 10.60 US$52,984
2024-09-26 2024-09-24 PlS Planned sale
1.1
Logan Thomas D

Chief Executive Officer

Executive Director
7,500 -100.0%
10.47
US$78,549 		7,500 -100.0% 10.47 US$78,549
2024-09-24 2024-09-24 PrS Proposed sale
1.1
Logan Thomas D

Officer; CEO

Officer
7,500
10.75
US$80,625 		7,500 10.75 US$80,625
2024-08-30 2024-08-28 PlS Planned sale
Lee Emmanuelle

Chief Legal Officer

Officer
5,000 -100.0%
11.01
US$55,050 		5,000 -100.0% 11.01 US$55,050
2024-08-27 2024-08-23 PlS Planned sale
1.1
Logan Thomas D

Chief Executive Officer

Executive Director
7,500 -100.0%
11.00
US$82,490 		7,500 -100.0% 11.00 US$82,490
2024-08-23 2024-08-23 PrS Proposed sale
1.1
Logan Thomas D

Officer; CEO

Officer
7,500
10.89
US$81,675 		7,500 10.89 US$81,675
2024-08-07 2024-08-06 S Sale
3.3
Eloy Loic

Technologies Group President

Officer
22,139 -11.1%
9.91
US$219,311 		22,139 -11.1% 9.91 US$219,311
2024-08-06 2024-08-06 PrS Proposed sale
3.3
Eloy Loic

Officer

Officer
22,139
9.75
US$215,855 		22,139 9.75 US$215,855
2024-07-26 2024-07-24 PlS Planned sale
1.1
Logan Thomas D

Chief Executive Officer

Executive Director
7,500 -100.0%
10.87
US$81,503 		7,500 -100.0% 10.87 US$81,503
2024-07-26 2024-07-24 PlS Planned sale
Lee Emmanuelle

Chief Legal Officer

Officer
5,000 -100.0%
10.80
US$53,980 		5,000 -100.0% 10.80 US$53,980
2024-07-24 2024-07-24 PrS Proposed sale
1.1
Logan Thomas D

Officer; CEO

Officer
7,500
10.98
US$82,350 		7,500 10.98 US$82,350
2024-06-27 2024-06-26 PlS Planned sale
Lee Emmanuelle

Chief Legal Officer

Officer
5,000 -100.0%
10.76
US$53,800 		5,000 -100.0% 10.76 US$53,800
2024-06-25 2024-06-25 PrS Proposed sale
GS Sponsor II LLC

Former 10% owner within 90 days

Large shareholder
1,768,000
10.95
US$19,359,600 		1,768,000 10.95 US$19,359,600
2024-06-25 2024-06-24 PlS Planned sale
1.1
Logan Thomas D

Chief Executive Officer

Executive Director
7,500 -100.0%
10.89
US$81,675 		7,500 -100.0% 10.89 US$81,675
2024-06-24 2024-06-24 PrS Proposed sale
1.1
Logan Thomas D

Officer; CEO

Officer
7,500
10.83
US$81,225 		7,500 10.83 US$81,225
2024-06-13 2024-06-13 PrS Proposed sale
3.2
Moore Christopher A.

Officer

Officer
8,153
10.29
US$83,868 		8,153 10.29 US$83,868
2024-06-13 2024-06-13 S Sale
3.2
Moore Christopher A.

Chief Accounting Officer (PAO)

Officer
8,153 -22.5%
10.29
US$83,894 		8,153 -22.5% 10.29 US$83,894
2024-06-10 2024-06-06 PlS Planned sale
Lee Emmanuelle

Chief Legal Officer

Officer
5,000 -100.0%
10.17
US$50,850 		5,000 -100.0% 10.17 US$50,850
2024-06-06 2024-06-06 PrS Proposed sale
THE LEE REVOCABLE LT U/T/D 7/9/2007 U/T/A DTD 07/09/2007

Officer

Officer
20,000
10.28
US$205,600 		20,000 10.28 US$205,600
2024-05-30 2024-05-28 PlS Planned sale
1.1
Logan Thomas D

Chief Executive Officer

Executive Director
7,500 -100.0%
10.86
US$81,450 		7,500 -100.0% 10.86 US$81,450
2024-05-28 2024-05-28 PrS Proposed sale
1.1
Logan Thomas D

Officer; CEO

Officer
7,500
10.86
US$81,466 		7,500 10.86 US$81,466
2024-03-21 2024-03-20 PlS Planned sale
Schopfer Brian

Chief Financial Officer

Officer
90,910 -30.1%
11.00
US$1,000,010 		90,910 -30.1% 11.00 US$1,000,010
2024-03-20 2024-03-20 PrS Proposed sale
Schopfer Brian

Officer

Officer
90,910
11.00
US$1,000,010 		90,910 11.00 US$1,000,010
2023-06-02 2023-05-30 S Sale
3.2
Moore Christopher A.

Chief Accounting Officer (PAO)

Officer
3,430 -9.6%
7.92
US$27,166 		3,430 -9.6% 7.92 US$27,166
2023-03-08 2023-03-07 S Sale
2.8
Charterhouse General Partners (IX) Ltd
9,786,153 -39.5%
8.65
US$84,601,293 		9,786,153 -39.5% 8.65 US$84,601,293
2023-03-07 2023-03-06 S Sale
3.3
Eloy Loic

Industrial Group President

Officer
40,000
0.00
US$0 		40,000 0.00 US$0
2022-12-12 2022-12-08 S Sale
0.6
GSAM Holdings LLC
Non-Executive Director Large shareholder
2,700 -100.0%
6.06
US$16,356 		2,700 -100.0% 6.06 US$16,356
2020-07-07 2020-07-02 B Purchase
2.7
REINEMUND STEVEN
Non-Executive Director
100,000
0.00
US$0 		100,000 0.00 US$0
2020-07-07 2020-07-02 B Purchase
Frist William H.
Non-Executive Director
300,000
0.00
US$0 		300,000 0.00 US$0
2020-07-07 2020-07-02 B Purchase
Robinson David M.
Non-Executive Director
200,000
0.00
US$0 		200,000 0.00 US$0
2020-07-07 2020-07-02 B Purchase
2.9
Sullivan Martha N.
Non-Executive Director
35,000
0.00
US$0 		35,000 0.00 US$0
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