{"transactions":[{"id":684064,"issuer":{"id":5180,"kind":"organization","name":"Cardinal Infrastructure Group Inc."},"owners":[{"id":22403,"kind":"person","name":"Wimmer Richard Bennett","position":1,"cik":"0002092871","reported_name":"Wimmer Richard Bennett","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-18T21:26:41.000Z","date":"2026-08-17","kind":"purchase","planned":false,"acquired":true,"shares":7500,"price":39.13,"value":293475.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.00 to $39.29, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of Cardinal Infrastructure Group Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) of this Form 4."}],"balance_after":29349,"source":{"system":"sec-edgar","filing":"0001213900-26-091325","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2079999/000121390026091325/ownership.xml","form_type":"4"}},{"id":745036,"issuer":{"id":5180,"kind":"organization","name":"Cardinal Infrastructure Group Inc."},"owners":[{"id":22403,"kind":"person","name":"Wimmer Richard Bennett","position":1,"cik":"0002092871","reported_name":"Wimmer Richard Bennett","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-09T21:00:02.000Z","date":"2026-06-05","kind":"grant","planned":false,"acquired":true,"shares":2023,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") granted on June 5, 2026. The RSUs vest on the earlier to occur of (1) the next annual meeting of the Company's stockholders following the date of grant (so long as such next annual meeting is at least 50 weeks after the immediately preceding year's annual meeting of stockholders) and (2) the one-year anniversary of the date of grant, provided that, in each case, the Reporting Person continues to serve as a director of the Company through such date."}],"balance_after":21849,"source":{"system":"sec-edgar","filing":"0001213900-26-066854","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2079999/000121390026066854/ownership.xml","form_type":"4"}},{"id":785105,"issuer":{"id":5180,"kind":"organization","name":"Cardinal Infrastructure Group Inc."},"owners":[{"id":22403,"kind":"person","name":"Wimmer Richard Bennett","position":1,"cik":"0002092871","reported_name":"Wimmer Richard Bennett","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-05-11T21:00:04.000Z","date":"2026-05-07","kind":"grant","planned":false,"acquired":true,"shares":3101,"price":24.18,"value":74982.18,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") granted on May 7, 2026. The RSUs vest as follows, subject to the Reporting Person's continued service through each applicable vesting date: (i) 775 RSUs vested immediately upon execution of the award agreement; (ii) 775 RSUs will vest on June 30, 2026; (iii) 775 RSUs will vest on September 30, 2026; and (iv) 776 RSUs will vest on December 31, 2026."}],"balance_after":19826,"source":{"system":"sec-edgar","filing":"0001213900-26-054547","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2079999/000121390026054547/ownership.xml","form_type":"4"}},{"id":972905,"issuer":{"id":5180,"kind":"organization","name":"Cardinal Infrastructure Group Inc."},"owners":[{"id":22403,"kind":"person","name":"Wimmer Richard Bennett","position":1,"cik":"0002092871","reported_name":"Wimmer Richard Bennett","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-11T22:56:19.000Z","date":"2025-12-11","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":21,"value":210000.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of Common Stock reported on this Form 4 are subject to a lock-up agreement, effective as of 12/9/2025 (the \"Lock-up Date\"), between the Reporting Person and Stifel, Nicolaus & Company, Incorporated and William Blair & Company, L.L.C, pursuant to which shares of Common Stock reported herein cannot be sold for 180 days following the Lock-up Date."}],"balance_after":16725,"source":{"system":"sec-edgar","filing":"0001213900-25-120816","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2079999/000121390025120816/ownership.xml","form_type":"4"}}]}