--- schema_version: "secwatch.filing_event.v1" accession: "0001104659-23-028008" form_type: "8-K" ticker: null cik: "0001859686" company_name: "SilverBox Corp III" filed_at: "2023-03-02T23:59:59+00:00" generated_at: "2026-06-18T16:15:28.009597+00:00" event_type: "other_material" sentiment: "neutral" materiality_score: 0.8 calibrated_materiality_score: 0.8 confidence: "high" source: SEC EDGAR --- # SilverBox Corp III closes upsized $138M IPO; $139.4M placed in trust ## Summary - IPO of 13.8M units at $10.00/unit, including full over-allotment of 1.8M units. - Each unit consists of one Class A share and one-third of a redeemable warrant at $11.50. - Private placement of 4.26M warrants at $1.50 each to sponsor, grossing $6.39M. - Net proceeds of $139.38M deposited into trust account for future business combination. - Appointed four new directors: O'Reilly, Creixell, Gadbois, Esters; committees formed. ## SEC filing metadata - accession: 0001104659-23-028008 - form_type: 8-K - cik: 0001859686 - company_name: SilverBox Corp III - filed_at: 2023-03-02T23:59:59+00:00 - event_type: other_material - sentiment: neutral - materiality_score: 0.8 - calibrated_materiality_score: 0.8 - confidence: high - sec_items: 1.01, 3.02, 5.02, 5.03, 8.01, 9.01 - EDGAR index: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/tm2135716d42_8k.htm ## Machine-readable alternates - HTML: https://secwatch.observer/filing/0001104659-23-028008 - JSON: https://secwatch.observer/filing/0001104659-23-028008.json - Plain text: https://secwatch.observer/filing/0001104659-23-028008.txt ## Key facts - Executive change Richard A. Gadbois was appointed as Director at SilverBox Corp III. - Action: appointed - Role: Director source text: On February 27, 2023, in connection with the IPO, Katie O’Reilly, Juan I. Creixell, Richard A. Gadbois, and Daniel E. Esters (the “ New Directors ” and, collectively with Stephen Kadenacy, the “ Directors ”) were appointed to the board of directors of the Company (the “ Board ”). evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - Executive change Daniel E. Esters was appointed as Director at SilverBox Corp III. - Action: appointed - Role: Director source text: On February 27, 2023, in connection with the IPO, Katie O’Reilly, Juan I. Creixell, Richard A. Gadbois, and Daniel E. Esters (the “ New Directors ” and, collectively with Stephen Kadenacy, the “ Directors ”) were appointed to the board of directors of the Company (the “ Board ”). evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - Executive change Katie O'Reilly was appointed as Director at SilverBox Corp III. - Action: appointed - Role: Director source text: On February 27, 2023, in connection with the IPO, Katie O’Reilly, Juan I. Creixell, Richard A. Gadbois, and Daniel E. Esters (the “ New Directors ” and, collectively with Stephen Kadenacy, the “ Directors ”) were appointed to the board of directors of the Company (the “ Board ”). evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - Executive change Juan I. Creixell was appointed as Director at SilverBox Corp III. - Action: appointed - Role: Director source text: On February 27, 2023, in connection with the IPO, Katie O’Reilly, Juan I. Creixell, Richard A. Gadbois, and Daniel E. Esters (the “ New Directors ” and, collectively with Stephen Kadenacy, the “ Directors ”) were appointed to the board of directors of the Company (the “ Board ”). evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - Governance Changes SilverBox Corp III: Amended and Restated Certificate of Incorporation became effective (effective 2023-02-27). - Change: charter amendment - Effective: 2023-02-27 source text: On February 27, 2023, the Company’s Amended and Restated Certificate of Incorporation became effective. evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - Material Agreements SilverBox Corp III entered into Underwriting Agreement with Credit Suisse Securities (USA) LLC (effective 2023-02-27). - Action: entry - Agreement: underwriting - Counterparty: Credit Suisse Securities (USA) LLC - Effective: 2023-02-27 source text: · an Underwriting Agreement, dated February 27, 2023, between the Company and Credit Suisse Securities (USA) LLC, as representative of the several underwriters named in Schedule I thereto, which contains customary representations and warranties by the Company, conditions to closing and indemnification obligations of the Company and the underwriters; evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - Material Agreements SilverBox Corp III entered into Investment Management Trust Agreement with Continental Stock Transfer & Trust Company (effective 2023-02-27). - Action: entry - Agreement: equity purchase - Counterparty: Continental Stock Transfer & Trust Company - Effective: 2023-02-27 source text: · an Investment Management Trust Agreement, dated February 27, 2023, between the Company and Continental Stock Transfer & Trust Company, as trustee, which establishes the trust account that will hold the net proceeds of the IPO and certain of the proceeds of the sale of the Private Placement Warrants, and sets forth the responsibilities of the trustee; the procedures for withdrawal and direction of funds from the trust account; and indemnification of the trustee by the Company under the agreement; evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - Material Agreements SilverBox Corp III entered into Registration Rights Agreement with SilverBox Sponsor III, LLC and other holders (effective 2023-02-27). - Action: entry - Counterparty: SilverBox Sponsor III, LLC and other holders - Effective: 2023-02-27 source text: · a Registration Rights Agreement, dated February 27, 2023, among the Company, the Sponsor and the other Holders (as defined therein) signatory thereto, which provides for customary demand and piggy-back registration rights for the Holders, as well as certain transfer restrictions applicable to the Holders with respect to the Company securities they hold; evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - Material Agreements SilverBox Corp III entered into Private Placement Warrants Purchase Agreement with SilverBox Sponsor III, LLC valued at 4,260,000 warrants at $1.50 per warrant (effective 2023-02-27). - Action: entry - Agreement: equity purchase - Counterparty: SilverBox Sponsor III, LLC - Value: 4,260,000 warrants at $1.50 per warrant - Effective: 2023-02-27 source text: · a Private Placement Warrants Purchase Agreement, dated February 27, 2023, between the Company and SilverBox Sponsor III, LLC (the “ Sponsor ”), pursuant to which the Sponsor purchased 4,260,000 private placement warrants, each exercisable to purchase one share of Class A Common Stock at $11.50 per share, subject to adjustment, at a price of $1.50 per warrant (the “ Private Placement Warrants ”); evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm - Material Agreements SilverBox Corp III entered into Public Warrant Agreement with Continental Stock Transfer & Trust Company (effective 2023-02-27). - Action: entry - Counterparty: Continental Stock Transfer & Trust Company - Effective: 2023-02-27 source text: · a Public Warrant Agreement, dated February 27, 2023, between the Company and Continental Stock Transfer & Trust Company, as warrant agent (the “ Public Warrant Agreement ”), which sets forth the expiration and exercise price of and procedure for exercising the Public Warrants; certain adjustment features of the terms of exercise; provisions relating to cashless exercise of the Public Warrants; provision for amendments to the Public Warrant Agreement; and indemnification of the warrant agent by the Company under the agreement; evidence_url: https://www.sec.gov/Archives/edgar/data/1859686/000110465923028008/0001104659-23-028008-index.htm This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.