Cardinal Infrastructure Group Inc. filings document a newly public civil infrastructure services company, its Nasdaq-listed Class A common stock and its acquisition-led operating structure. 8-K reports cover material agreements, completed asset and equity acquisitions, financial results, leadership and board appointments, and emerging-growth-company disclosures.
Registration and IPO-related filings describe the company's OpCo arrangements, Tax Receivable Agreement, registration rights, Class B common stock issuances and related capital-structure matters. Proxy materials cover annual meeting voting items, board governance and executive compensation, while acquisition amendments include acquired-business financial statements and unaudited pro forma financial information for completed transactions such as ALGC.
Cardinal Infrastructure Group Inc. disclosed that a company director purchased additional Class A Common Stock. On 12/11/2025, the director bought 22,725 shares at a price of $21 per share, increasing the director’s beneficial ownership to 29,212 shares, held directly.
The reported shares are subject to a lock-up agreement effective as of 12/9/2025 with Stifel, Nicolaus & Company, Incorporated and William Blair & Company, L.L.C. Under this agreement, the shares reported cannot be sold for 180 days following the lock-up date.
Cardinal Infrastructure Group Inc.'s chief financial officer reported equity ownership changes on a Form 4. On December 9, 2025, the officer acquired 2,429,624 shares of Class B Common Stock and an equal number of LLC Units as part of a reorganization in connection with the company’s initial public offering, as described in its registration statement on Form S-1. On December 11, 2025, 595,238 Class B shares were canceled for no consideration in connection with the redemption of the same number of LLC Units at a derivative price of $21 per unit.
After these transactions, the officer beneficially owned 1,834,386 Class B shares and 1,834,386 LLC Units directly, plus 203,617 Class B shares and 203,617 LLC Units indirectly through The Rowe Family Irrevocable Trust dated March 13, 2024. Each LLC Unit is redeemable at the holder’s option into one share of Class A Common Stock, with a corresponding Class B share forfeited on redemption, and the units have no expiration date.
Cardinal Infrastructure Group Inc. insider, officer and 10% owner reported IPO-related changes in holdings of Class B Common Stock and LLC Units tied to Class A Common Stock. On 12/09/2025, the reporting person received 6,749,496 Class B shares and an equal number of LLC Units as part of the issuer's reorganization, plus 1,348,441 Class B shares and LLC Units held through the West Family 2024 Irrevocable Trust.
On 12/11/2025, 1,653,571 Class B shares and matching LLC Units, and 330,357 additional Class B shares and LLC Units held via the trust, were cancelled in connection with LLC Unit redemptions, including dispositions of LLC Units at $21 per unit. After these transactions, the insider beneficially owned 5,095,925 Class B shares and 5,095,925 LLC Units directly and 1,018,084 Class B shares and 1,018,084 LLC Units indirectly. The LLC Units are redeemable into Class A Common Stock on a 1-to-1 basis and have no expiration date.