Insiders Trades

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TD

Thomas D. Logan

Executive

Chairman & CEO

US·SEC (Form 4)

Mirion Technologies, Inc.Mirion Technologies, Inc.

Insider activity · 24 months0 buys1 saleCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 1 saleSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

48

Company

1

▲ Purchases (0 ops.)

—

▼ Sales (8 ops.)

€9.7M

Latest filing published 02 Apr 2026 for Mirion Technologies, Inc., €363k.

Filing timeline

BuySale

Thomas D. Logan

Insider track record

Disclosed buys

0

Disclosed sells

8

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

Thomas D. Logan: trading record in brief

All filings by Thomas D. Logan on record concern Mirion Technologies, Inc., in the capacity of chief executive. The record holds 48 filings, for trades running from 20 October 2021 to 1 April 2026.

Every open-market trade on record is a sale: 8 sales worth €9.7M. Besides market trades, the filings include 30 share grants.

The record was last updated on 2 April 2026 with a share grant (€363k) in Mirion Technologies, Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. The legal deadline for a Form 4 is two business days after the transaction. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.

Companies and markets linked to Thomas D. Logan

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Mirion Technologies, Inc. (US)

Declarations27 total

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Thomas D. Logan

Chief Executive OfficerExecutives1 Apr 2026Mirion Technologies, Inc.

420,394 USD30SEC

22,614 shares@ US$18.59100.0% of flowClass A Common StockSEC:0001628280-26-023169:0

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Thomas D. Logan

Chief Executive OfficerExecutives1 Mar 2026Mirion Technologies, Inc.

446,247 USD22SEC

20,650 shares@ US$21.613.6% of flowClass A Common StockSEC:0001628280-26-013814:0

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Thomas D. Logan

Chief Executive OfficerExecutives27 Dec 2025Mirion Technologies, Inc.

947,145 USD23SEC

39,863 shares@ US$23.768.0% of flowClass A Common StockSEC:0001628280-25-058982:0

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Thomas D. Logan

Chief Executive OfficerExecutives30 Oct 2025Mirion Technologies, Inc.

0SEC

106,188 shares0Class A Common StockSEC:0001628280-25-048233:0

▼

Thomas D. Logan

Chief Executive OfficerExecutives11 Aug 2025Mirion Technologies, Inc.

7M USD40SEC

325,000 shares@ US$21.314364.6% of flowClass A Common StockSEC:0001486259-25-000004:0

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Thomas D. Logan

Chief Executive OfficerExecutives14 May 2025Mirion Technologies, Inc.

0SEC

213,234 shares0Class A Common StockSEC:0001628280-25-026283:0

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Thomas D. Logan

Chief Executive OfficerExecutives1 Apr 2025Mirion Technologies, Inc.

785,074 USD24SEC

54,143 shares@ US$14.5022.2% of flowClass A Common StockSEC:0001628280-25-016505:0

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Thomas D. Logan

Chief Executive OfficerExecutives1 Mar 2025Mirion Technologies, Inc.

319,033 USD23SEC

20,543 shares@ US$15.539.4% of flowClass A Common StockSEC:0001628280-25-009927:0

◆

Thomas D. Logan

Chief Executive OfficerExecutives25 Feb 2025Mirion Technologies, Inc.

0SEC

179,102 shares0Class A Common StockSEC:0001628280-25-008654:0

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Thomas D. Logan

Chief Executive OfficerExecutives27 Dec 2024Mirion Technologies, Inc.

734,625 USD24SEC

40,587 shares@ US$18.1021.5% of flowClass A Common StockSEC:0001628280-24-052641:0

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Thomas D. Logan

Chief Executive OfficerExecutives17 Dec 2024Mirion Technologies, Inc.

0SEC

2,400,000 sharesClass A Common StockSEC:0001628280-24-052109:0

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Thomas D. Logan

Chief Executive OfficerExecutives12 Nov 2024Mirion Technologies, Inc.

0SEC

800,000 sharesClass A Common StockSEC:0001628280-24-047957:0

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Thomas D. Logan

Chief Executive OfficerExecutives24 Oct 2024Mirion Technologies, Inc.

0SEC

7,500 sharesClass B Common StockSEC:0001628280-24-043968:0

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Thomas D. Logan

Chief Executive OfficerExecutives24 Sept 2024Mirion Technologies, Inc.

0SEC

7,500 sharesClass B Common StockSEC:0001628280-24-041379:0

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Thomas D. Logan

Chief Executive OfficerExecutives23 Aug 2024Mirion Technologies, Inc.

0SEC

7,500 sharesClass B Common StockSEC:0001628280-24-038546:0

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Thomas D. Logan

Chief Executive OfficerExecutives24 Jul 2024Mirion Technologies, Inc.

0SEC

7,500 sharesClass B Common StockSEC:0001628280-24-033070:0

●

Thomas D. Logan

Chief Executive OfficerExecutives24 Jun 2024Mirion Technologies, Inc.

0SEC

7,500 sharesClass B Common StockSEC:0001628280-24-029901:0

●

Thomas D. Logan

Chief Executive OfficerExecutives28 May 2024Mirion Technologies, Inc.

0SEC

7,500 sharesClass B Common StockSEC:0001628280-24-025809:0

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Thomas D. Logan

Chief Executive OfficerExecutives1 Apr 2024Mirion Technologies, Inc.

637,834 USD24SEC

56,098 shares@ US$11.3718.2% of flowClass A Common StockSEC:0001628280-24-014603:0

◆

Thomas D. Logan

Chief Executive OfficerExecutives1 Mar 2024Mirion Technologies, Inc.

0SEC

156,626 shares0Class A Common StockSEC:0001628280-24-009042:0

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Thomas D. Logan

Chief Executive OfficerExecutives27 Dec 2023Mirion Technologies, Inc.

494,379 USD23SEC

47,309 shares@ US$10.4513.7% of flowClass A Common StockSEC:0001628280-23-042834:0

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Thomas D. Logan

Chief Executive OfficerExecutives1 Apr 2023Mirion Technologies, Inc.

314,801 USD23SEC

36,862 shares@ US$8.548.8% of flowClass A Common StockSEC:0001628280-23-010713:0

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Thomas D. Logan

Chief Executive OfficerExecutives29 Mar 2023Mirion Technologies, Inc.

0SEC

167,701 shares0Class A Common StockSEC:0001628280-23-010173:0

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Thomas D. Logan

Chief Executive OfficerExecutives27 Dec 2022Mirion Technologies, Inc.

214,138 USD23SEC

32,995 shares@ US$6.496.2% of flowClass A Common StockSEC:0001628280-22-032644:0

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Thomas D. Logan

Chief Executive OfficerExecutives1 Apr 2022Mirion Technologies, Inc.

0SEC

223,408 shares0Common StockSEC:0000950103-22-006052:0

25 of 27 declarations