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person · Reporting owner

Logan Thomas D

Disclosed activity across 1 company

Tapewire entity
49249
SEC CIK
0001486259

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Mirion Technologies, Inc.MIR · Entity 394Director · Chief Executive OfficerMay 06, 2026May 07, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Mirion Technologies, Inc.

Report date May 06, 2026 · Filed May 07, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect52,209 Reported balance After 2026-05-06 transaction · row 1
1 source row

Row 1 · 2026-05-06 · Gift · Disposed 311,851 · Balance 52,209

F1: On May 6, 2026, the Reporting Person made a gift of 311,851 shares of Class A Common Stock to the Logan Family Trust. The Reporting Person received no consideration for this gift.

Class B Common StockSEC Table I · non-derivativeDirect1,544,017 Reported balance Holding disclosure · report date 2026-05-06 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 1,544,017

Class A Common StockSEC Table I · non-derivativeIndirectLogan Family Trust3,517,229 Reported balance Holding disclosure · report date 2026-05-06 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 3,517,229

Filing footnotes · ownership attribution and instrument terms

F1: On May 6, 2026, the Reporting Person made a gift of 311,851 shares of Class A Common Stock to the Logan Family Trust. The Reporting Person received no consideration for this gift.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 20, 2021 Filed Oct 23, 2021 00:40 UTC Mirion Technologies, Inc. MIR · Entity 394 GrantCommon Stock 1,544,017 Not disclosed Not disclosed
Disclosure

SEC source: 0000950103-21-016338 · dp160254_4-logan.xml · nonDerivative · entry 1

Logan Thomas D · CIK 0001486259 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,544,017

F1 · kind: Pursuant to the Business Combination Agreement, dated June 17, 2021 (as amended on September 3, 2021), by and among GS Acquisition Holdings Corp II ("GSAH"), Mirion Technologies (TopCo), Ltd ("Legacy Mirion") and the other parties thereto (the "Business Combination Agreement"), GSAH established a Delaware corporation, Mirion IntermediateCo, Inc. ("IntermediateCo") as a subsidiary thereof. A newly-formed subsidiary of IntermediateCo merged with and into Legacy Mirion with Legacy Mirion surviving as a wholly-owned subsidiary of IntermediateCo, with GSAH (which changed its name to Mirion Technologies, Inc. (the "Issuer")) thereby becoming the corporate parent of Legacy Mirion. The transactions contemplated by the Business Combination Agreement are referred to herein as the "Business Combination".

F2 · kind: Pursuant to the terms of the Business Combination Agreement, the shareholders of Legacy Mirion at the effective time of the Business Combination (the "Effective Time") were entitled to elect to receive, for each Class A ordinary share of Legacy Mirion held by them immediately prior to the Effective Time, a combination of cash and shares of Class B common stock of the Issuer ("Common Stock"), in each case, as specified by the applicable Legacy Mirion shareholder.

F3 · kind: Reflects shares of Common Stock acquired by the Reporting Person pursuant to the Business Combination Agreement.

F1 · price: Pursuant to the Business Combination Agreement, dated June 17, 2021 (as amended on September 3, 2021), by and among GS Acquisition Holdings Corp II ("GSAH"), Mirion Technologies (TopCo), Ltd ("Legacy Mirion") and the other parties thereto (the "Business Combination Agreement"), GSAH established a Delaware corporation, Mirion IntermediateCo, Inc. ("IntermediateCo") as a subsidiary thereof. A newly-formed subsidiary of IntermediateCo merged with and into Legacy Mirion with Legacy Mirion surviving as a wholly-owned subsidiary of IntermediateCo, with GSAH (which changed its name to Mirion Technologies, Inc. (the "Issuer")) thereby becoming the corporate parent of Legacy Mirion. The transactions contemplated by the Business Combination Agreement are referred to herein as the "Business Combination".

F2 · price: Pursuant to the terms of the Business Combination Agreement, the shareholders of Legacy Mirion at the effective time of the Business Combination (the "Effective Time") were entitled to elect to receive, for each Class A ordinary share of Legacy Mirion held by them immediately prior to the Effective Time, a combination of cash and shares of Class B common stock of the Issuer ("Common Stock"), in each case, as specified by the applicable Legacy Mirion shareholder.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.