SEC Insider Transactions from Logan Thomas D.

Last updated: 2026-04-02 21:09 UTC | Total transactions: 43

Logan Thomas D, CEO of Mirion Technologies ($MIR), sold about $10.7 million in company shares across two open market transactions over the past year. His most recent sale occurred on August 12, 2025. These sales rank 1,067th among 11,678 individual insiders by total value sold, compared to an average of $8.6 million per insider and 6.4 transactions. Logan Thomas D made no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 1, 2026 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 22614 $18.59 3,569,438.0000 261,154,000 0.63% 0.01%
March 1, 2026 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 20650 $21.61 6,494,416.0000 261,154,000 0.32% 0.01%
March 2, 2026 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 318632 $0.00 6,813,048.0000 261,154,000 4.91% 0.12%
March 2, 2026 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 127184 $21.61 6,685,864.0000 261,154,000 1.87% 0.05%
March 2, 2026 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer G Class A Common Stock 3093812 $0.00 3,592,052.0000 261,154,000 46.27% 1.18%
Dec. 27, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 39863 $23.76 3,421,254.0000 256,249,000 1.15% 0.02%
Oct. 30, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer G Class A Common Stock 106188 $0.00 3,461,117.0000 256,249,000 2.98% 0.04%
Aug. 11, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer S Class A Common Stock 325000 $21.31 3,742,305.0000 204,991,000 7.99% 0.16%
Aug. 12, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer S Class A Common Stock 175000 $21.79 3,567,305.0000 204,991,000 4.68% 0.09%
May 14, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 89430 $17.43 4,067,305.0000 204,991,000 2.15% 0.04%
May 14, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 213234 $0.00 4,156,735.0000 204,991,000 5.41% 0.10%
April 1, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 54143 $14.50 3,943,501.0000 204,991,000 1.35% 0.03%
March 1, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 20543 $15.53 3,997,644.0000 204,991,000 0.51% 0.01%
Feb. 25, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 179102 $0.00 4,094,305.0000 204,991,000 4.57% 0.09%
Feb. 25, 2025 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 76118 $15.10 4,018,187.0000 204,991,000 1.86% 0.04%
Dec. 27, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 40587 $18.10 3,915,203.0000 206,676,000 1.03% 0.02%
Dec. 17, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Sponsor Units 2400000 $0.00 0.0000 206,676,000 100.00% 1.16%
Dec. 17, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Class A Common Stock 2400000 $0.00 3,955,790.0000 206,676,000 154.26% 1.16%
Nov. 12, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Sponsor Units 800000 $0.00 2,400,000.0000 206,676,000 25.00% 0.39%
Nov. 12, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Class A Common Stock 800000 $0.00 1,555,790.0000 206,676,000 105.85% 0.39%
Oct. 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Class B Common Stock 7500 $0.00 4,095,388.0000 206,676,000 0.18% 0.00%
Oct. 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 7500 $0.00 763,290.0000 206,676,000 0.99% 0.00%
Oct. 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer S Class A Common Stock 7500 $14.11 755,790.0000 206,676,000 0.98% 0.00%
Sept. 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Class B Common Stock 7500 $0.00 4,102,888.0000 196,369,000 0.18% 0.00%
Sept. 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 7500 $0.00 763,290.0000 196,369,000 0.99% 0.00%
Sept. 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer S Class A Common Stock 7500 $10.47 755,790.0000 196,369,000 0.98% 0.00%
Aug. 23, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 7500 $0.00 763,290.0000 196,369,000 0.99% 0.00%
Aug. 23, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer S Class A Common Stock 7500 $11.00 755,790.0000 196,369,000 0.98% 0.00%
Aug. 23, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Class B Common Stock 7500 $0.00 4,110,388.0000 196,369,000 0.18% 0.00%
July 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Class B Common Stock 7500 $0.00 4,117,888.0000 196,369,000 0.18% 0.00%
July 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer S Class A Common Stock 7500 $10.87 755,790.0000 196,369,000 0.98% 0.00%
July 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 7500 $0.00 763,290.0000 196,369,000 0.99% 0.00%
June 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Class B Common Stock 7500 $0.00 4,125,388.0000 196,369,000 0.18% 0.00%
June 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 7500 $0.00 763,290.0000 196,369,000 0.99% 0.00%
June 24, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer S Class A Common Stock 7500 $10.89 755,790.0000 196,369,000 0.98% 0.00%
May 28, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 7500 $0.00 763,290.0000 196,369,000 0.99% 0.00%
May 28, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer C Class B Common Stock 7500 $0.00 4,132,888.0000 196,369,000 0.18% 0.00%
May 28, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer S Class A Common Stock 7500 $10.86 755,790.0000 196,369,000 0.98% 0.00%
April 1, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 56098 $11.37 755,790.0000 196,369,000 6.91% 0.03%
March 1, 2024 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 156626 $0.00 811,888.0000 196,369,000 23.90% 0.08%
Dec. 27, 2023 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 47309 $10.45 655,262.0000 181,149,000 6.73% 0.03%
April 1, 2023 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer F Class A Common Stock 36862 $8.54 702,571.0000 181,149,000 4.99% 0.02%
March 29, 2023 Mirion Technologies, Inc. $MIR Logan Thomas D Chief Executive Officer A Class A Common Stock 167701 $0.00 739,433.0000 181,149,000 29.33% 0.09%