Cardinal Infrastructure Group Inc. (CDNL) IPO — S-1 Filing, Stock & Insider Activity

Cardinal Infrastructure Group Inc. IPO — Status & S-1 Filing

Ticker: CDNL
Status: Priced — IPO complete
S-1 filed: 2025-11-20
Effective: 2025-12-09
IPO / pricing date: 2025-12-10
Expected price range: not yet disclosed (set in a later S-1/A or pricing amendment)
SEC CIK: 0002079999 · View the S-1 on SEC EDGAR →

Track every registration update on the InsiderAlpha IPO tracker.

Updated Jul 16, 2026 · Last SEC filing 2026-06-09

Cardinal Infrastructure Group Inc. (CDNL) has filed 9 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-09. 3 Form 8-K material event filings were reported by CDNL in the last 90 days. InsiderAlpha tracks every CDNL SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Cardinal Infrastructure Group Inc. (CDNL)

SEC CIK	0002079999

90-Day SEC Filing Activity

Form 4 filings (90d)	9
Form 8-K filings (90d)	3
Latest Form 4 filing	2026-06-09

Recent CDNL Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-06-05	Lee Richard Melvin Jr.	Director	A — Grant or award	1.9K	$0.00	—	SEC
2026-06-05	Wimmer Richard Bennett	Director	A — Grant or award	2.0K	$0.00	—	SEC
2026-06-05	Zelman Ivy	Director	A — Grant or award	1.8K	$0.00	—	SEC
2026-06-05	SHANFELTER AUSTIN J	Director	A — Grant or award	1.9K	$0.00	—	SEC
2026-05-27	Wood Benjamin	CHIEF OPERATING OFFICER	P — Open-market purchase	3.6K	$53.90	$194K	SEC
2026-05-27	Wood Benjamin	CHIEF OPERATING OFFICER	P — Open-market purchase	6.7K	$49.89	$336K	SEC
2026-05-27	Wood Benjamin	CHIEF OPERATING OFFICER	P — Open-market purchase	5.4K	$50.78	$272K	SEC
2026-05-27	Wood Benjamin	CHIEF OPERATING OFFICER	P — Open-market purchase	4.2K	$51.90	$218K	SEC
2026-05-27	Wood Benjamin	CHIEF OPERATING OFFICER	P — Open-market purchase	100	$54.33	$5K	SEC
2026-05-07	Lee Richard Melvin Jr.	Director	A — Grant or award	3.1K	$24.18	$75K	SEC
2026-05-07	SHANFELTER AUSTIN J	Director	A — Grant or award	3.1K	$24.18	$75K	SEC
2026-05-07	Wimmer Richard Bennett	Director	A — Grant or award	3.1K	$24.18	$75K	SEC
2026-05-07	Zelman Ivy	Director	A — Grant or award	3.1K	$24.18	$75K	SEC
2026-03-26	Zelman Ivy	Director	P — Open-market purchase	6.9K	$36.33	$251K	SEC
2025-12-11	Lee Richard Melvin Jr.	Director	P — Open-market purchase	22.7K	$21.00	$477K	SEC

All transactions sourced from SEC EDGAR Form 4 filings for Cardinal Infrastructure Group Inc. (CDNL). Updated in real time as new filings are submitted to the SEC.

Most-Active CDNL Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Wood Benjamin	5	$1.03M
SHANFELTER AUSTIN J	2	$75K
Zelman Ivy	2	$75K
Wimmer Richard Bennett	2	$75K
Lee Richard Melvin Jr.	2	$75K

Recent CDNL Form 8-K Material Events

2026-06-05 — Item 5.07 [SEC]
2026-05-12 — Item 2.02, 7.01, 9.01 [SEC]
2026-05-06 — Item 9.01 [SEC]
2026-03-19 — Item 2.02, 7.01, 9.01 · Earnings · neutral [SEC]
Cardinal Infrastructure Group Inc. announced its financial results for the year ended December 31, 2025, via press release and supplemental investor presentation on March 19, 2026. The filing provides standard annual financial results and operational information without explicit
2026-03-18 — Item 5.02 · Leadership · neutral [SEC]
Cardinal Infrastructure Group appointed Anthony L. Wood as a director and Benjamin A. Wood as Chief Operating Officer on March 12, 2026, both from the recently acquired A.L. Grading Contractors, LLC. These appointments are integration-related follow-ups to the February 18, 2026 a

Recent Insider Filings

2026-06-09 — Zelman Ivy (Director)
2026-06-09 — Lee Richard Melvin Jr. (Director)
2026-06-09 — SHANFELTER AUSTIN J (Director)
2026-06-09 — Wimmer Richard Bennett (Director)
2026-05-29 — Wood Benjamin (CHIEF OPERATING OFFICER)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CDNL insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

CDNL Insider Trading — FAQ

What is the latest insider trade for CDNL?: Cardinal Infrastructure Group Inc. (CDNL) had 9 insider filings in the last 90 days, with the most recent on 2026-06-09. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying CDNL stock?: 0 insider purchases of CDNL were filed in the last 90 days.
How many insiders are selling CDNL stock?: 0 insider sales of CDNL were filed in the last 90 days.
Where can I see CDNL SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every CDNL SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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