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Sondey Brian

Disclosed activity across 1 company

Tapewire entity
60587
SEC CIK
0001341065

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Triton International LtdTRTN · Entity 2730Director · Chief Executive OfficerMarch 16, 2026March 16, 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.

Triton International Ltd

Report date March 16, 2026 · Filed March 16, 2026

This filing explicitly reported no securities owned.

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
September 28, 2023 Filed Oct 2, 2023 09:38 UTC Triton International Ltd TRTN · Entity 2730 Disposition to issuerCommon Shares 513,569 Not disclosed Not disclosed
Disclosure

SEC source: 0001660734-23-000111 · wk-form4_1696253915.xml · nonDerivative · entry 2

Sondey Brian · CIK 0001341065 · Director · Chairman, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F2 · kind: Disposed of in accordance with the terms of the Agreement and Plan of Merger, dated as of April 11, 2023 (the "Merger Agreement"), by and among the Issuer, Brookfield Infrastructure Corporation ("BIPC"), Thanos Holdings Limited ("Parent") and Thanos MergerSub Limited ("Merger Sub"), pursuant to which, at 8:00 a.m. EST on September 28, 2023, the effective time of the Merger (the "Effective Time"), among other things, Merger Sub merged with and into the Issuer, with the Issuer continuing as a subsidiary of Parent (the "Merger"). Includes (a) 236,394 restricted Common Shares subject to time-based and performance-based vesting requirements, which figure assumes attainment of the maximum level of performance under the applicable award agreement in accordance with the vesting mechanics set forth in the Merger Agreement and as described in footnotes 4 and 5 to this Form 4, and (b) 85,000 Common Shares held in a family trust.

F2 · shares: Disposed of in accordance with the terms of the Agreement and Plan of Merger, dated as of April 11, 2023 (the "Merger Agreement"), by and among the Issuer, Brookfield Infrastructure Corporation ("BIPC"), Thanos Holdings Limited ("Parent") and Thanos MergerSub Limited ("Merger Sub"), pursuant to which, at 8:00 a.m. EST on September 28, 2023, the effective time of the Merger (the "Effective Time"), among other things, Merger Sub merged with and into the Issuer, with the Issuer continuing as a subsidiary of Parent (the "Merger"). Includes (a) 236,394 restricted Common Shares subject to time-based and performance-based vesting requirements, which figure assumes attainment of the maximum level of performance under the applicable award agreement in accordance with the vesting mechanics set forth in the Merger Agreement and as described in footnotes 4 and 5 to this Form 4, and (b) 85,000 Common Shares held in a family trust.

F3 · price: Pursuant to the Merger Agreement, at the Effective Time, each issued and outstanding Common Share (other than Excluded Shares (as defined in the Merger Agreement)) was cancelled and converted automatically into, at the election of the shareholder as provided in and subject to Section 3.2 of the Merger Agreement, the right to receive either (i) the specified mixture of both cash and shares of class A exchangeable subordinate voting shares of BIPC ("BIPC Shares") equal to $68.50 per Common Share in cash and 0.3895 BIPC Shares, (ii) $83.16, or (iii) 2.21 BIPC Shares. No fractional BIPC shares were issued in connection with the Merger and the holders of Common Shares received cash in lieu of any fractional BIPC Shares resulting from the Merger.

F4 · price: Each award of restricted Common Shares that was outstanding immediately prior to the Effective Time was automatically and without any required action on the part of the shareholder, converted into the contingent right to receive an amount in cash, without interest, equal to the product obtained by multiplying (a) the number of restricted Common Shares subject to such award (with respect to any performance-based vesting requirements, assuming attainment of the maximum level of performance under the applicable award agreement) immediately prior to the Effective Time, by (b) $83.16, plus any unpaid cash in respect of dividends accrued prior to the Effective Time with respect to such restricted Common Shares (after giving effect to the maximum level of performance), less applicable taxes required to be withheld. (Continued on footnote 5 of this Form 4)

F5 · price: (Continued from footnote 4 to this Form 4) Subject to the applicable holder's continued service with Parent and its affiliates (including the Issuer and its subsidiaries), such contingent right to receive cash shall vest and become payable upon the earlier to occur of: (a) the satisfaction of the vesting conditions (including any vesting acceleration provisions) that applied to the corresponding portion of the applicable unvested restricted Common Shares immediately prior to the Effective Time, or (b) the twelve month anniversary of the Effective Time.

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September 28, 2023 Filed Oct 2, 2023 09:38 UTC Triton International Ltd TRTN · Entity 2730 OtherCommon Shares 155,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001660734-23-000111 · wk-form4_1696253915.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 513,569

F1 · kind: On September 28, 2023, the reporting person entered into a Rollover and Sale Agreement and related documents with Thanos Sidecar III L.P. (the "Partnership"), a limited partnership formed in connection with the Merger (as defined below) (the "Rollover Agreement"). Pursuant to the terms of the Rollover Agreement, immediately prior to the Merger on September 28, 2023, the reporting person contributed 155,000 of his Common Shares to the Partnership in exchange for limited partnership interests in the Partnership in order to retain an indirect equity investment in the Issuer following the Merger.

F1 · shares: On September 28, 2023, the reporting person entered into a Rollover and Sale Agreement and related documents with Thanos Sidecar III L.P. (the "Partnership"), a limited partnership formed in connection with the Merger (as defined below) (the "Rollover Agreement"). Pursuant to the terms of the Rollover Agreement, immediately prior to the Merger on September 28, 2023, the reporting person contributed 155,000 of his Common Shares to the Partnership in exchange for limited partnership interests in the Partnership in order to retain an indirect equity investment in the Issuer following the Merger.

F1 · price: On September 28, 2023, the reporting person entered into a Rollover and Sale Agreement and related documents with Thanos Sidecar III L.P. (the "Partnership"), a limited partnership formed in connection with the Merger (as defined below) (the "Rollover Agreement"). Pursuant to the terms of the Rollover Agreement, immediately prior to the Merger on September 28, 2023, the reporting person contributed 155,000 of his Common Shares to the Partnership in exchange for limited partnership interests in the Partnership in order to retain an indirect equity investment in the Issuer following the Merger.

F2 · balance_after: Disposed of in accordance with the terms of the Agreement and Plan of Merger, dated as of April 11, 2023 (the "Merger Agreement"), by and among the Issuer, Brookfield Infrastructure Corporation ("BIPC"), Thanos Holdings Limited ("Parent") and Thanos MergerSub Limited ("Merger Sub"), pursuant to which, at 8:00 a.m. EST on September 28, 2023, the effective time of the Merger (the "Effective Time"), among other things, Merger Sub merged with and into the Issuer, with the Issuer continuing as a subsidiary of Parent (the "Merger"). Includes (a) 236,394 restricted Common Shares subject to time-based and performance-based vesting requirements, which figure assumes attainment of the maximum level of performance under the applicable award agreement in accordance with the vesting mechanics set forth in the Merger Agreement and as described in footnotes 4 and 5 to this Form 4, and (b) 85,000 Common Shares held in a family trust.

Read SEC document
February 07, 2023 Filed Feb 9, 2023 16:43 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 35,557 $0.00 $0.00
Disclosure

SEC source: 0001660734-23-000026 · wf-form4_167597897702516.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 546,799

F1 · shares: The reporting person was granted 35,557 restricted shares that fully vest on January 10, 2026.

F2 · balance_after: Includes 85,000 common shares held in a family trust.

Read SEC document
January 10, 2023 Filed Jan 12, 2023 16:39 UTC Triton International Ltd TRTN · Entity 2730 Tax withholdingCommon Shares 32,643 $70.99 $2,317,326.57
Disclosure

SEC source: 0001660734-23-000014 · wf-form4_167355958329357.xml · nonDerivative · entry 2

Sondey Brian · CIK 0001341065 · Director · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 511,242

F3 · shares: Withholding of common shares for the purposes of the payment of tax liability incident to the vesting and settlement of performance-based and time-based share awards.

F2 · balance_after: Includes 85,000 common shares held in a family trust.

Read SEC document
January 10, 2023 Filed Jan 12, 2023 16:39 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 15,673 $0.00 $0.00
Disclosure

SEC source: 0001660734-23-000014 · wf-form4_167355958329357.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 543,885

F1 · shares: Represents common shares that vested on January 10, 2023, pursuant to performance-based share award granted on February 11, 2020.

F2 · balance_after: Includes 85,000 common shares held in a family trust.

Read SEC document
February 08, 2022 Filed Feb 10, 2022 18:52 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 37,709 $0.00 $0.00
Disclosure

SEC source: 0001660734-22-000027 · wf-form4_164453710794690.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 528,212

F1 · shares: The reporting person was granted 37,709 restricted shares that fully vest on January 10, 2025.

Read SEC document
January 01, 2022 Filed Jan 4, 2022 16:48 UTC Triton International Ltd TRTN · Entity 2730 Tax withholdingCommon Shares 36,377 $60.23 $2,190,986.71
Disclosure

SEC source: 0001660734-22-000010 · wf-form4_164133289160204.xml · nonDerivative · entry 2

Sondey Brian · CIK 0001341065 · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 490,503

F2 · shares: Withholding of common shares for the purposes of the payment of tax liability incident to the vesting and settlement of performance-based and time-based share awards.

Read SEC document
January 01, 2022 Filed Jan 4, 2022 16:48 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 16,881 $0.00 $0.00
Disclosure

SEC source: 0001660734-22-000010 · wf-form4_164133289160204.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 526,880

F1 · shares: Represents common shares that vested on January 1, 2022, pursuant to performance-based share award granted on February 11, 2019.

Read SEC document
February 09, 2021 Filed Feb 11, 2021 16:45 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 41,358 $0.00 $0.00
Disclosure

SEC source: 0001660734-21-000022 · wf-form4_161307990839400.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 509,999

F1 · shares: The reporting person was granted 41,358 restricted shares that fully vest on January 10, 2024.

Read SEC document
January 01, 2021 Filed Jan 5, 2021 20:20 UTC Triton International Ltd TRTN · Entity 2730 Tax withholdingCommon Shares 33,424 $48.51 $1,621,398.24
Disclosure

SEC source: 0001660734-21-000011 · wf-form4_160989598563373.xml · nonDerivative · entry 2

Sondey Brian · CIK 0001341065 · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 468,641

F2 · shares: Withholding of common shares for the purposes of the payment of tax liability incident to the vesting and settlement of performance-based and time-based share awards.

Read SEC document
January 01, 2021 Filed Jan 5, 2021 20:20 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 27,336 $0.00 $0.00
Disclosure

SEC source: 0001660734-21-000011 · wf-form4_160989598563373.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 502,065

F1 · shares: Represents common shares that vested on January 1, 2021, pursuant to performance-based share award granted on February 1, 2018.

Read SEC document
December 11, 2020 Filed Jan 5, 2021 20:18 UTC Triton International Ltd TRTN · Entity 2730 GiftCommon Shares 2,000 $0.00 $0.00
Disclosure

SEC source: 0001660734-21-000009 · wf-form5_160989589300291.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 474,729

F1 · shares: Represents a charitable donation by the reporting person.

Read SEC document
February 11, 2020 Filed Feb 13, 2020 18:20 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 47,021 $0.00 $0.00
Disclosure

SEC source: 0001660734-20-000009 · wf-form4_158163601529490.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 476,729

F1 · shares: Mr. Sondey was granted 47,021 restricted shares that fully vest on January 10, 2023.

Read SEC document
October 31, 2019 Filed Jan 30, 2020 10:03 UTC Triton International Ltd TRTN · Entity 2730 GiftCommon Shares 2,000 $0.00 $0.00
Disclosure

SEC source: 0001660734-20-000005 · wf-form5_158039657761562.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 429,708

F1 · shares: Charitable gift to an educational institution on behalf of the reporting person.

Read SEC document
September 06, 2019 Filed Sep 10, 2019 16:57 UTC Triton International Ltd TRTN · Entity 2730 Tax withholdingCommon Shares 73,883 $32.69 $2,415,235.27
Disclosure

SEC source: 0001660734-19-000040 · primary_doc.xml · nonDerivative · entry 2

Sondey Brian · CIK 0001341065 · Director · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 431,708

Read SEC document
September 06, 2019 Filed Sep 10, 2019 16:57 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 37,106 $0.00 $0.00
Disclosure

SEC source: 0001660734-19-000040 · primary_doc.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 505,591

F1 · kind: 37, 106 common shares were granted to Brian Sondey on September 6, 2019 pursuant to a performance based share award dated September 7, 2019.

Read SEC document
September 06, 2019 Filed Sep 12, 2019 11:04 UTC Amendment Triton International Ltd TRTN · Entity 2730 Tax withholdingCommon Shares 73,883 $32.69 $2,415,235.27
Disclosure

SEC source: 0001660734-19-000043 · primary_doc.xml · nonDerivative · entry 2

Sondey Brian · CIK 0001341065 · Director · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 431,708

Read SEC document
September 06, 2019 Filed Sep 12, 2019 11:04 UTC Amendment Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 37,106 $0.00 $0.00
Disclosure

SEC source: 0001660734-19-000043 · primary_doc.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 505,591

F1 · shares: 37,106 common shares were issued to Brian Sondey on September 6, 2019 pursuant to a performance based share award dated September 7, 2016. This filing is to correct an error in this footnote which had an incorrect award date.

Read SEC document
February 11, 2019 Filed Feb 13, 2019 16:19 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 50,646 $0.00 $0.00
Disclosure

SEC source: 0001341066-19-000013 · primary_doc.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 468,485

F1 · shares: Mr. Sondey was granted 50,646 restricted shares on February 11, 2019.

Read SEC document
January 01, 2019 Filed Jan 3, 2019 13:34 UTC Triton International Ltd TRTN · Entity 2730 Tax withholdingCommon Shares 9,007 $31.07 $279,847.49
Disclosure

SEC source: 0001341066-19-000004 · primary_doc.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 419,339

Read SEC document
August 28, 2018 Filed Feb 13, 2019 13:33 UTC Triton International Ltd TRTN · Entity 2730 GiftCommon Shares 1,500 $0.00 $0.00
Disclosure

SEC source: 0001341066-19-000007 · primary_doc.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 417,839

Read SEC document
February 01, 2018 Filed Feb 1, 2018 18:17 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 41,005 $0.00 $0.00
Disclosure

SEC source: 0001341066-18-000003 · primary_doc.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 428,346

F1 · shares: Mr. Sondey was granted 41,005 restricted shares on February 1, 2018.

Read SEC document
September 07, 2016 Filed Sep 8, 2016 13:51 UTC Triton International Ltd TRTN · Entity 2730 GrantCommon Shares 129,871 $0.00 $0.00
Disclosure

SEC source: 0001341066-16-000065 · primary_doc.xml · nonDerivative · entry 1

Sondey Brian · CIK 0001341065 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 387,341

F1 · shares: Mr. Sondey was granted 129,871 shares of restricted common shares on September 7, 2016.

Read SEC document

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