# Signing Day Sports, Inc. (SGN) — merger [completed] Source: SEC API (secapi.ai) · situation sit_2f2b52f6e15efe4e742f · retrieved 2026-08-11T15:49:42.104Z ## Overview Signing Day Sports, Inc. operates a mobile app platform that helps student-athletes build recruitment profiles for college sports, including video-verified measurables, academic information, and technical skill videos for evaluation by college coaches. Signing Day Sports, Inc. is pursuing a business combination with BlockchAIn Digital Infrastructure, Inc. and One Blockchain LLC pursuant to a Business Combination Agreement dated May 27, 2025, as amended on November 10, 2025 and December 21, 2025. BlockchAIn has filed a Registration Statement on Form S-4 (declared effective by the SEC) and a definitive Proxy Statement/Prospectus with Signing Day Sports stockholders to seek approval of the transaction. On March 11, 2026, the Company announced that One Blockchain is collaborating with Super Micro Computer, Inc. to deliver an integrated AI infrastructure platform. In 2024, BlockchAIn's operating platform generated approximately $22.9 million in revenue and approximately $5.7 million in net income. ## Terms - Counterparty: BlockchAIn Digital Infrastructure, Inc. and One Blockchain LLC · Stake: 8.5% ## Key dates - Announced 2026-01-07 · Record 2026-01-20 · Vote 2026-03-13 · Expected close 2026-03-16 · Completed 2026-03-17 ## Timeline - 2026-01-07 · 425 (0001213900-26-001980): 425 - Signing Day Sports, Inc. — *Signing Day Sports, Inc. develops the Signing Day Sports app and platform dedicated to improving the recruiting process for high school athletes and college coaches.* Signing Day Sports, Inc. announced on January 7, 2026, an update on its proposed business combination with BlockchAIn Digital Infrastructure, Inc. and its affiliate One Blockchain LLC, originally agreed on May 27, 2025, and amended on November 10, 2025, and December 21, 2025. BlockchAIn Inc. filed a Registration Statement on Form S-4 with the SEC on December 1, 2025, as amended on December 23, 2025. The transaction is expected to close in February or March 2026, subject to shareholder approval and NYSE American listing approval, with Signing Day Sports becoming a wholly owned subsidiary of BlockchAIn Inc. and gaining access to scalable digital infrastructure for AI and high-performance computing applications. https://www.sec.gov/Archives/edgar/data/1898474/0001213900-26-001980.txt - 2026-01-20 · 425 (0001213900-26-005384): 425 - Signing Day Sports, Inc. — *Signing Day Sports, Inc. operates a mobile app platform that helps student-athletes build recruitment profiles for college sports, including video-verified measurables, academic information, and technical skill videos for evaluation by college coaches.* Signing Day Sports, Inc. is pursuing a business combination with BlockchAIn Digital Infrastructure, Inc. and One Blockchain LLC under a Business Combination Agreement dated May 27, 2025, as amended on November 10, 2025 and December 21, 2025. Upon completion, Signing Day Sports is expected to become a wholly owned subsidiary of the combined company, with BlockchAIn's digital infrastructure platform serving as the primary operating foundation. BlockchAIn LLC generated approximately $22.9 million in revenue and approximately $5.7 million in net income in 2024, operating a 40 MW data center facility in South Carolina with planned expansion capacity to 50 MW and infrastructure expansion expected to support up to a five-fold increase in total data center capacity over time, scaling to approximately 200 MW. The transaction is anticipated to close in February or March 2026, subject to shareholder approval and NYSE American listing approval. https://www.sec.gov/Archives/edgar/data/1898474/0001213900-26-005384.txt - 2026-02-12 · 425 (0001213900-26-015236): 425 - Signing Day Sports, Inc. — *Signing Day Sports' mission is to help student-athletes achieve their goal of playing college sports through an app that allows student-athletes to build their recruitment profile with video-verified measurables, academic information, and technical skill videos for college coaches.* Signing Day Sports, Inc. entered into a Business Combination Agreement with BlockchAIn Digital Infrastructure, Inc. and One Blockchain LLC, dated May 27, 2025, and amended on November 10, 2025 and December 21, 2025. Under the agreement, Signing Day Sports and One Blockchain LLC will become wholly-owned subsidiaries of BlockchAIn Inc. The Company is planning for the closing of the transaction to take place in March 2026, subject to certain closing conditions, including shareholder approval and NYSE American listing approval. BlockchAIn Inc. filed a Registration Statement on Form S-4 with the SEC in connection with the transaction on December 1, 2025, as amended on December 23, 2025, January 21, 2026, January 22, 2026, and January 30, 2026. https://www.sec.gov/Archives/edgar/data/1898474/0001213900-26-015236.txt - 2026-02-17 · 425 (0001213900-26-016931): 425 - Signing Day Sports, Inc. — *Signing Day Sports helps student-athletes achieve their goal of playing college sports through a mobile app that allows them to build recruitment profiles with video-verified measurables, academic information, and technical skill videos for college coaches to evaluate.* Signing Day Sports, Inc. announced that the SEC declared its Form S-4 registration statement effective on January 30, 2026 in connection with its proposed business combination with BlockchAIn Digital Infrastructure, Inc. and One Blockchain LLC. The company will hold a special stockholder meeting on March 13, 2026 to vote on the business combination. The Business Combination Agreement was originally dated May 27, 2025, and has been amended twice (November 10, 2025 and December 21, 2025). Upon consummation, Signing Day Sports and BlockchAIn LLC are expected to become wholly-owned subsidiaries of BlockchAIn Inc., which will trade on NYSE American under ticker symbol "AIB." https://www.sec.gov/Archives/edgar/data/1898474/0001213900-26-016931.txt - 2026-02-20 · 425 (0001213900-26-018926): 425 - Signing Day Sports, Inc. — *Signing Day Sports, Inc. is a Delaware corporation engaged in computer processing and data preparation services.* Signing Day Sports, Inc. is party to a Business Combination Agreement, dated May 27, 2025 (as amended November 10, 2025 and December 21, 2025), with BlockchAIn Digital Infrastructure, Inc., One Blockchain LLC, and BlockchAIn's wholly-owned merger subsidiaries. Under the agreement, Merger Sub I will merge with and into Signing Day Sports (with Signing Day Sports surviving as a wholly-owned subsidiary of BlockchAIn), and Merger Sub II will merge with and into One Blockchain (with One Blockchain surviving as a wholly-owned subsidiary of BlockchAIn). Signing Day Sports stockholders will receive registered common shares of BlockchAIn ($0.0001 par value per share) at closing, with the number of shares determined by an Exchange Ratio equal to the last reported sale price of Signing Day Sports common stock on the last trading day prior to closing divided by 7.5 (rounded up to one share if fractional). The Exchange Ratio is subject to adjustment to maintain proportionate shareholdings and comply with NYSE American listing requirements, provided that Signing Day Sports stockholders receive no less than 8.5% of BlockchAIn common shares on a fully diluted basis immediately after closing. https://www.sec.gov/Archives/edgar/data/1898474/0001213900-26-018926.txt - 2026-02-25 · 425 (0001213900-26-020140): 425 - Signing Day Sports, Inc. — *Signing Day Sports, Inc. operates a mobile app platform that helps student-athletes build recruitment profiles for college sports, including video-verified measurables, academic information, and technical skill videos for evaluation by college coaches.* Signing Day Sports, Inc. entered into a Business Combination Agreement dated May 27, 2025 (as amended November 10, 2025 and December 21, 2025) with BlockchAIn Digital Infrastructure, Inc., One Blockchain LLC, and their respective merger subsidiaries. Under the agreement, Signing Day Sports and One Blockchain LLC will become wholly-owned subsidiaries of BlockchAIn Inc. Upon consummation, BlockchAIn Inc.'s shares are expected to trade on NYSE American under the ticker symbol "AIB." The company is planning for the closing to occur in March 2026, subject to shareholder approval and NYSE American listing approval. BlockchAIn LLC operates a 40 MW data center in South Carolina and reported 2024 revenue of approximately $22.9 million and net income of approximately $5.7 million. https://www.sec.gov/Archives/edgar/data/1898474/0001213900-26-020140.txt - 2026-03-06 · 425 (0001213900-26-024331): 425 - Signing Day Sports, Inc. — *Signing Day Sports, Inc. operates a mobile app platform that helps student-athletes build recruitment profiles for college sports, including video-verified measurables, academic information, and technical skill videos.* Signing Day Sports, Inc. is holding a special stockholder meeting on March 13, 2026, to vote on a proposed business combination with BlockchAIn Digital Infrastructure, Inc. and One Blockchain LLC. Under the Business Combination Agreement (originally dated May 27, 2025, and amended on November 10, 2025, and December 21, 2025), Signing Day Sports and BlockchAIn LLC will become wholly-owned subsidiaries of BlockchAIn Inc. The combined company is expected to trade on NYSE American under the ticker symbol "AIB" following completion, which is anticipated in March 2026, subject to stockholder approval and NYSE American listing approval. https://www.sec.gov/Archives/edgar/data/1898474/0001213900-26-024331.txt - 2026-03-10 · 425 (0001213900-26-025431): 425 - Signing Day Sports, Inc. — *Signing Day Sports, Inc. operates a mobile app platform that helps student-athletes build recruitment profiles for college sports, including video-verified measurables, academic information, and technical skill videos for evaluation by college coaches.* Signing Day Sports, Inc. is merging with BlockchAIn Digital Infrastructure, Inc. and One Blockchain LLC pursuant to a Business Combination Agreement dated May 27, 2025, as amended on November 10, 2025 and December 21, 2025. The closing is anticipated to occur on March 16, 2026, subject to stockholder approval and other closing conditions. Following closing, Signing Day Sports and BlockchAIn LLC will become operating subsidiaries of BlockchAIn Inc., and BlockchAIn Inc.'s common stock is expected to begin trading on the NYSE American under the symbol "AIB." BlockchAIn LLC is a developer and operator of digital infrastructure focused on HPC and AI hosting, with a 40 MW data center facility in South Carolina that generated approximately $22.9 million in revenue and $5.7 million in net income in 2024. https://www.sec.gov/Archives/edgar/data/1898474/0001213900-26-025431.txt - 2026-03-11 · 425 (0001213900-26-025961): 425 - Signing Day Sports, Inc. — *Signing Day Sports, Inc. operates a mobile app platform that helps student-athletes build recruitment profiles for college sports, including video-verified measurables, academic information, and technical skill videos for evaluation by college coaches.* Signing Day Sports, Inc. is pursuing a business combination with BlockchAIn Digital Infrastructure, Inc. and One Blockchain LLC pursuant to a Business Combination Agreement dated May 27, 2025, as amended on November 10, 2025 and December 21, 2025. BlockchAIn has filed a Registration Statement on Form S-4 (declared effective by the SEC) and a definitive Proxy Statement/Prospectus with Signing Day Sports stockholders to seek approval of the transaction. On March 11, 2026, the Company announced that One Blockchain is collaborating with Super Micro Computer, Inc. to deliver an integrated AI infrastructure platform. In 2024, BlockchAIn's operating platform generated approximately $22.9 million in revenue and approximately $5.7 million in net income. https://www.sec.gov/Archives/edgar/data/1898474/0001213900-26-025961.txt - 2026-03-17 · 25-NSE (0001143313-26-000015): 25-NSE https://www.sec.gov/Archives/edgar/data/1898474/000114331326000015/xslF25X02/primary_doc.xml - 2026-03-27 · 15-15D (0001213900-26-035050): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035050/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035052): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035052/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035055): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035055/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035059): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035059/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035061): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035061/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035064): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035064/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035068): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035068/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035073): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035073/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035078): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035078/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035082): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035082/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035084): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035084/ea0282791-1515d_signingday.htm - 2026-03-27 · 15-15D (0001213900-26-035089): 15-15D FORM 15-15D https://www.sec.gov/Archives/edgar/data/1898474/000121390026035089/ea0282791-1515d_signingday.htm ## Citations - 0001213900-26-001980 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026001980 - 0001213900-26-005384 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026005384 - 0001213900-26-015236 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026015236 - 0001213900-26-016931 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026016931 - 0001213900-26-018926 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026018926 - 0001213900-26-020140 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026020140 - 0001213900-26-024331 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026024331 - 0001213900-26-025431 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026025431 - 0001213900-26-025961 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026025961 - 0001143313-26-000015 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000114331326000015 - 0001213900-26-035050 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035050 - 0001213900-26-035052 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035052 - 0001213900-26-035055 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035055 - 0001213900-26-035059 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035059 - 0001213900-26-035061 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035061 - 0001213900-26-035064 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035064 - 0001213900-26-035068 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035068 - 0001213900-26-035073 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035073 - 0001213900-26-035078 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035078 - 0001213900-26-035082 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035082 - 0001213900-26-035084 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035084 - 0001213900-26-035089 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000121390026035089