Skip to content

NYSE · CIK 0001809987

MIR Mirion Technologies, Inc.

Insider trading from SEC Form 4. Last filing 12 d ago. Close $16.62 on Oct 9, 2026, +18% from the 52-week low and -44% from the high.

Last 90 days

Net insider value
+$312k
more bought than sold
Buys
1
$312k by 1 insider
Sells
0
$0 by 0 insiders
Insiders on file
13
with a Form 4 at this company

Price and insider trades, last year

MIROct 9, 2026 · close 16.62

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at Mirion Technologies, Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
36WeakBrian Schopfer
Chief Financial Officer
buy
$312k
20,000 shares
+2%-
40ModerateLawrence D Kingsley
director
sell
$8.7M
350,000 shares
-9%+99% from low-15% from high
55ModerateLawrence D Kingsley
director
sell
$7.1M
300,000 shares
-7%+87% from low-20% from high
70NotableLoic Eloy
Nuclear & Safety President
sell
$1.2M
45,000 shares
-32%+111% from low-10% from high
30WeakEmmanuelle Lee
Chief Legal Officer
sell
$343k
12,500 shares
-13%+114% from low-9% from high
42ModerateBrian Schopfer
Chief Financial Officer
sell
$2.8M
100,000 shares
-10%+117% from low-7% from high
63NotableThomas D Logan
Chief Executive Officer
sell
$11M
500,000 shares
-12%+125% from low-5% from high
50ModerateLoic Eloy
Nuclear & Safety President
sell
$472k
22,166 shares
-13%+128% from low-4% from high
27WeakBrian Schopfer
Chief Financial Officer
sell
$1.6M
75,000 shares
-8%+128% from low0% from high
68NotableLawrence D Kingsley
director
sell
$9.0M
500,000 shares
-143%+91% from low-3% from high
35WeakBrian Schopfer
Chief Financial Officer
sell
$1.4M
75,000 shares
-8%+91% from low-3% from high
47ModerateLoic Eloy
Technologies Group President
sell
$787k
44,000 shares
-25%-
30WeakEmmanuelle Lee
Chief Legal Officer
sell
$49k
3,405 shares
-100%-
43ModerateThomas D Logan
Chief Executive Officer
sell
$106k
7,500 shares
-100%-

Transactions

The last 85 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Sep 30, 2026Jody Markopoulos
director
AGrant or award
Class A Common Stock
+1,333$14.34$19k82,84212 d ago
Sep 30, 2026Lawrence D Kingsley
director
AGrant or award
Class A Common Stock
+1,333$14.34$19k73,85812 d ago
Sep 2, 2026Brian Schopfer
Chief Financial Officer
POpen-market purchase
Class A Common Stock
+20,000$15.60$312k933,29040 d ago
Dec 27, 2025Emmanuelle Lee
Chief Legal Officer
FTax withholding
Class A Common Stock
-5,913$23.76$140k78,727Dec 29, 2025
Dec 27, 2025Brian Schopfer
Chief Financial Officer
FTax withholding
Class A Common Stock
-8,500$23.76$202k893,432Dec 29, 2025
Dec 27, 2025Alison Ulrich
Chief Human Resources Officer
FTax withholding
Class A Common Stock
-134$23.76$3,18435,096Dec 29, 2025
Dec 27, 2025Thomas D Logan
Chief Executive Officer
FTax withholding
Class A Common Stock
-39,863$23.76$947k3,309,688Dec 29, 2025
Dec 11, 2025John W Kuo
director
GGift
Class A Common Stock
-4,860$0.00$072,736Dec 12, 2025
Dec 10, 2025Lawrence D Kingsley
director
SOpen-market sale
Class A Common Stockindirect: By Lawrence D. Kingsley Revocable Trust
-350,000$24.73$8.7M3,509,075Dec 12, 2025
Dec 8, 2025Kenneth Bockhorst
director
GGift
Class A Common Stock
-9,680$0.00$069,875Dec 12, 2025
Dec 5, 2025Brian Schopfer
Chief Financial Officer
GGift
Class A Common Stock
-2,400$0.00$0902,032Dec 9, 2025
Dec 8, 2025Brian Schopfer
Chief Financial Officer
GGift
Class A Common Stock
-100$0.00$0901,932Dec 9, 2025
Nov 24, 2025Lawrence D Kingsley
director
GGift
Class A Common Stockindirect: By Lawrence D. Kingsley Revocable Trust
-40,925$0.00$03,859,075Nov 25, 2025
Nov 21, 2025Lawrence D Kingsley
director
SOpen-market sale
Class A Common Stockindirect: By Lawrence D. Kingsley Revocable Trust
-300,000$23.83$7.1M3,900,000Nov 21, 2025
Nov 11, 2025Loic Eloy
Nuclear & Safety President
SOpen-market sale
Class A Common Stock
-45,000$27.24$1.2M97,770Nov 12, 2025
Nov 10, 2025Emmanuelle Lee
Chief Legal Officer
SOpen-market sale
Class A Common Stock10b5-1
-12,500$27.41$343k84,640Nov 12, 2025
Nov 6, 2025Brian Schopfer
Chief Financial Officer
AGrant or award
Class A Common Stock10b5-1
+100,000--1,004,432Nov 10, 2025
Nov 6, 2025Brian Schopfer
Chief Financial Officer
DDisposition to issuer
Class B Common Stock10b5-1
-100,000--399,935Nov 10, 2025
Nov 6, 2025Brian Schopfer
Chief Financial Officer
SOpen-market sale
Class A Common Stock10b5-1
-50,000$27.65$1.4M954,432Nov 10, 2025
Nov 6, 2025Brian Schopfer
Chief Financial Officer
SOpen-market sale
Class A Common Stock10b5-1
-50,000$27.66$1.4M904,432Nov 10, 2025
Oct 30, 2025Brian Schopfer
Chief Financial Officer
GGift
Class A Common Stock
-15,000$0.00$0904,432Nov 3, 2025
Oct 30, 2025Thomas D Logan
Chief Executive Officer
GGift
Class A Common Stock
-106,188$0.00$03,349,551Nov 3, 2025
Sep 30, 2025Lawrence D Kingsley
director
AGrant or award
Class A Common Stock
+850$22.49$19k62,137Oct 1, 2025
Aug 11, 2025Thomas D Logan
Chief Executive Officer
SOpen-market sale
Class A Common Stock
-325,000$21.31$6.9M3,742,305Aug 13, 2025
Aug 12, 2025Thomas D Logan
Chief Executive Officer
SOpen-market sale
Class A Common Stock
-175,000$21.79$3.8M3,567,305Aug 13, 2025
Aug 5, 2025Loic Eloy
Nuclear & Safety President
SOpen-market sale
Class A Common Stock
-22,166$21.30$472k142,770Aug 6, 2025
Jun 30, 2025John W Kuo
director
AGrant or award
Class A Common Stock
+1,024$0.00$077,596Jul 1, 2025
Jun 30, 2025Jody Markopoulos
director
AGrant or award
Class A Common Stock
+880$0.00$074,126Jul 1, 2025
Jun 25, 2025Brian Schopfer
Chief Financial Officer
AGrant or award
Class A Common Stock10b5-1
+75,000--994,432Jun 27, 2025
Jun 25, 2025Brian Schopfer
Chief Financial Officer
DDisposition to issuer
Class B Common Stock10b5-1
-75,000--499,935Jun 27, 2025
Jun 25, 2025Brian Schopfer
Chief Financial Officer
SOpen-market sale
Class A Common Stock10b5-1
-75,000$21.00$1.6M919,432Jun 27, 2025
May 21, 2025Lawrence D Kingsley
director
SOpen-market sale
Class A Common Stockindirect: By Diane Kingsley Revocable Trust
-350,000$17.95$6.3M0May 23, 2025
May 21, 2025Brian Schopfer
Chief Financial Officer
AGrant or award
Class A Common Stock10b5-1
+75,000--994,432May 23, 2025
May 21, 2025Lawrence D Kingsley
director
SOpen-market sale
Class A Common Stockindirect: By Lawrence D. Kingsley 2015 Family Irrevocable Trust
-150,000$17.94$2.7M0May 23, 2025
May 21, 2025Brian Schopfer
Chief Financial Officer
DDisposition to issuer
Class B Common Stock10b5-1
-75,000--574,935May 23, 2025
May 21, 2025Brian Schopfer
Chief Financial Officer
SOpen-market sale
Class A Common Stock10b5-1
-75,000$18.27$1.4M919,432May 23, 2025
May 14, 2025Brian Schopfer
Chief Financial Officer
AGrant or award
Class A Common Stock
+65,154$0.00$0948,581May 16, 2025
May 14, 2025Thomas D Logan
Chief Executive Officer
AGrant or award
Class A Common Stock
+213,234$0.00$04,156,735May 16, 2025
May 14, 2025Loic Eloy
Nuclear & Safety President
AGrant or award
Class A Common Stock
+31,273$0.00$0164,936May 16, 2025
May 15, 2025Lawrence D Kingsley
director
AGrant or award
Class A Common Stock
+7,977$0.00$061,287May 16, 2025
May 15, 2025Sheila Rege
director
AGrant or award
Class A Common Stock
+7,977$0.00$042,494May 16, 2025
May 15, 2025Lawrence D Kingsley
director
AGrant or award
Class A Common Stock
+7,977$0.00$061,287May 16, 2025
May 15, 2025John W Kuo
director
AGrant or award
Class A Common Stock
+7,977$0.00$076,572May 16, 2025
May 15, 2025Steven W. Etzel
director
AGrant or award
Class A Common Stock
+7,977$0.00$080,065May 16, 2025
May 15, 2025Robert Cascella
director
AGrant or award
Class A Common Stock
+7,977$0.00$053,418May 16, 2025
May 15, 2025Kenneth Bockhorst
director
AGrant or award
Class A Common Stock
+7,977$0.00$079,555May 16, 2025
May 15, 2025Jody Markopoulos
director
AGrant or award
Class A Common Stock
+7,977$0.00$073,246May 16, 2025
May 14, 2025Thomas D Logan
Chief Executive Officer
FTax withholding
Class A Common Stock
-89,430$17.43$1.6M4,067,305May 16, 2025
May 14, 2025Brian Schopfer
Chief Financial Officer
FTax withholding
Class A Common Stock
-29,149$17.43$508k919,432May 16, 2025
Apr 1, 2025Emmanuelle Lee
Chief Legal Officer
FTax withholding
Class A Common Stock
-6,520$14.50$95k97,140Apr 3, 2025
Apr 1, 2025Thomas D Logan
Chief Executive Officer
FTax withholding
Class A Common Stock
-54,143$14.50$785k3,943,501Apr 3, 2025
Apr 1, 2025Christopher A. Moore
Chief Accounting Officer (PAO)
FTax withholding
Class A Common Stock
-3,451$14.50$50k28,305Apr 3, 2025
Apr 1, 2025Alison Ulrich
Chief Human Resources Officer
FTax withholding
Class A Common Stock
-2,859$14.50$41k35,230Apr 3, 2025
Apr 1, 2025Brian Schopfer
Chief Financial Officer
FTax withholding
Class A Common Stock
-14,801$14.50$215k883,427Apr 3, 2025
Mar 31, 2025John W Kuo
director
AGrant or award
Class A Common Stock
+1,520$0.00$068,595Apr 1, 2025
Mar 31, 2025Jody Markopoulos
director
AGrant or award
Class A Common Stock
+1,307$0.00$065,269Apr 1, 2025
Sep 30, 2024John W Kuo
director
AGrant or award
Class A Common Stock
+2,013$0.00$065,801Jan 2, 2025
Dec 31, 2024John W Kuo
director
AGrant or award
Class A Common Stock
+1,274$0.00$067,075Jan 2, 2025
Dec 27, 2024Thomas D Logan
Chief Executive Officer
FTax withholding
Class A Common Stock
-40,587$18.10$735k3,915,203Dec 31, 2024
Dec 27, 2024Brian Schopfer
Chief Financial Officer
FTax withholding
Class A Common Stock
-8,538$18.10$155k887,795Dec 31, 2024
Dec 27, 2024Alison Ulrich
Chief Human Resources Officer
FTax withholding
Class A Common Stock
-133$18.10$2,40731,697Dec 31, 2024
Dec 27, 2024Emmanuelle Lee
Chief Legal Officer
FTax withholding
Class A Common Stock
-5,913$18.10$107k95,359Dec 31, 2024
Dec 17, 2024Thomas D Logan
Chief Executive Officer
CConversion
Class A Common Stock
+2,400,000--3,955,790Dec 19, 2024
Dec 17, 2024Brian Schopfer
Chief Financial Officer
CConversion
Class A Common Stock
+525,000--896,333Dec 19, 2024
Dec 17, 2024Brian Schopfer
Chief Financial Officer
CConversion
Sponsor Unitsderivative
-525,000--0Dec 19, 2024
Dec 17, 2024Thomas D Logan
Chief Executive Officer
CConversion
Sponsor Unitsderivative
-2,400,000--0Dec 19, 2024
Dec 13, 2024John W Kuo
director
GGift
Class A Common Stock
-8,300$0.00$063,788Dec 17, 2024
Dec 13, 2024Loic Eloy
Technologies Group President
SOpen-market sale
Class A Common Stock
-44,000$17.89$787k133,663Dec 17, 2024
Nov 12, 2024Lawrence D Kingsley
director
CConversion
Class A Common Stock
+1,050,000--1,103,310Nov 14, 2024
Nov 12, 2024Brian Schopfer
Chief Financial Officer
CConversion
Class A Common Stock
+175,000--371,333Nov 14, 2024
Nov 12, 2024Thomas D Logan
Chief Executive Officer
CConversion
Class A Common Stock
+800,000--1,555,790Nov 14, 2024
Nov 12, 2024Lawrence D Kingsley
director
GGift
Class A Common Stock
-1,050,000$0.00$053,310Nov 14, 2024
Nov 12, 2024Lawrence D Kingsley
director
GGift
Class A Common Stockindirect: By Lawrence D. Kingsley Revocable Trust
+1,050,000$0.00$04,200,000Nov 14, 2024
Nov 12, 2024Brian Schopfer
Chief Financial Officer
CConversion
Sponsor Unitsderivative
-175,000--525,000Nov 14, 2024
Nov 12, 2024Thomas D Logan
Chief Executive Officer
CConversion
Sponsor Unitsderivative
-800,000--2,400,000Nov 14, 2024
Nov 12, 2024Lawrence D Kingsley
director
CConversion
Sponsor Unitsderivative
-1,050,000--0Nov 14, 2024
Nov 4, 2024Lawrence D Kingsley
director
CConversion
Class A Common Stock
+3,150,000--3,203,310Nov 6, 2024
Nov 5, 2024Lawrence D Kingsley
director
GGift
Class A Common Stock
-3,150,000$0.00$053,310Nov 6, 2024
Nov 4, 2024Lawrence D Kingsley
director
CConversion
Sponsor Unitsderivative
-3,150,000--1,050,000Nov 6, 2024
Oct 31, 2024Emmanuelle Lee
Chief Legal Officer
CConversion
Class B Common Stockindirect: By Trust10b5-1
-3,405--32,748Nov 4, 2024
Oct 31, 2024Emmanuelle Lee
Chief Legal Officer
AGrant or award
Class A Common Stockindirect: By Trust10b5-1
+3,405--3,405Nov 4, 2024
Oct 31, 2024Emmanuelle Lee
Chief Legal Officer
SOpen-market sale
Class A Common Stockindirect: By Trust10b5-1
-3,405$14.27$49k0Nov 4, 2024
Oct 24, 2024Thomas D Logan
Chief Executive Officer
CConversion
Class B Common Stockindirect: By Aere Perennius, LLC10b5-1
-7,500--2,551,371Oct 28, 2024
Oct 24, 2024Thomas D Logan
Chief Executive Officer
AGrant or award
Class A Common Stockindirect: By Aere Perennius, LLC10b5-1
+7,500--7,500Oct 28, 2024
Oct 24, 2024Thomas D Logan
Chief Executive Officer
SOpen-market sale
Class A Common Stockindirect: By Aere Perennius, LLC10b5-1
-7,500$14.11$106k0Oct 28, 2024

Insiders

Everyone who has filed a Form 4 here.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

MIR insider trading: Mirion Technologies, Inc. | InsiderTell