Cardinal Infrastructure Group Inc. (CDNL)

Data as of Aug 18, 2026, from SEC Form 4 filings.

Net insider buying (90d)Watch CDNL

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Latest CDNL insider trades

Richard Bennett Wimmer - Director
Open-market purchase$293K
Aug 17, 2026
Richard Melvin Lee Jr. - Director
Open-market purchase$988K

About Cardinal Infrastructure Group Inc. (CDNL)

Cardinal Infrastructure Group Inc. is an SEC registrant, filing under CIK 0002079999, classified as heavy construction other than bldg const - contractors. It is grouped with Industrials companies on this site. Its offering priced on 10 December 2025.

Sector: Industrials

SEC filings for CDNL on EDGAR

CDNL Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market purchase	13	221,597	$8.54M

CDNL insider transactions (Form 4)

24 Form 4 filings on record, the earliest from Dec 11, 2025, newest first.

Date	Insider	Transaction	Security	Shares	Price	Value
Aug 17, 2026	Richard Bennett Wimmer - Director	Open-market purchase	Class A Common Stock	7,500	$39.13^{footnote F1}	$293K
Footnote F1 (price): 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… Full note on SEC EDGAR
Aug 14, 2026	Richard Melvin Lee Jr. - Director	Open-market purchase	Class A Common Stock	27,000	$36.59^{footnote F1}	$988K
Aug 14, 2026	Richard Melvin Lee Jr. - Director	Open-market purchase	Class A Common Stock	7,000	$37.73^{footnote F2}	$264K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.26 to $37.22, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $37.51 to $37.74, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Aug 14, 2026	Michael Bruce Rowe Jr. - Officer	Open-market purchase	Class A Common Stock	7,000	$36.53^{footnote F1}	$256K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.27 to $36.55, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Aug 14, 2026	Anthony Leon Wood Jr. - Director	Open-market purchase	Class A Common Stock	34,019	$39.16^{footnote F1}	$1.33M
Aug 14, 2026	Anthony Leon Wood Jr. - Director	Open-market purchase	Class A Common Stock	17,381	$39.75^{footnote F2}	$691K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $38.54 to $39.53, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.54 to $40.12, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Aug 14, 2026	Jeremy Simmons Spivey - Officer	Open-market purchase	Class A Common Stock	12,366	$36.58^{footnote F1}	$452K
Aug 14, 2026	Jeremy Simmons Spivey - Officer	Open-market purchase	Class A Common Stock	14,224	$37.69^{footnote F2}	$536K
Aug 14, 2026	Jeremy Simmons Spivey - Officer	Open-market purchase	Class A Common Stock	45,249	$38.82^{footnote F3}	$1.76M
Aug 14, 2026	Jeremy Simmons Spivey - Officer	Open-market purchase	Class A Common Stock	11,511	$39.65^{footnote F4}	$456K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.19 to $37.12, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $37.30 to $38.28, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR Footnote F3 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $38.47 to $39.46, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.47 to $40.09, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Aug 14, 2026	Ivy Zelman - Director	Open-market purchase	Class A Common Stock	12,647	$39.61^{footnote F1}	$501K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.45 to $39.81, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Aug 14, 2026	Benjamin Wood - Officer	Open-market purchase	Class A Common Stock	13,627	$39.22^{footnote F1}	$534K
Aug 14, 2026	Benjamin Wood - Officer	Open-market purchase	Class A Common Stock	12,073	$39.77^{footnote F2}	$480K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $38.60 to $39.59, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.60 to $40.00, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Jun 5, 2026	Ivy Zelman - Director	Grant or award	Class A Common Stock	1,817	$0.00^{footnote F1}	-
Footnote F1 (price): 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… Full note on SEC EDGAR
Jun 5, 2026	Richard Melvin Lee Jr. - Director	Grant or award	Class A Common Stock	1,941	$0.00^{footnote F1}	-
Footnote F1 (price): 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… Full note on SEC EDGAR
Jun 5, 2026	Austin J. Shanfelter - Director	Grant or award	Class A Common Stock	1,941	$0.00^{footnote F1}	-
Footnote F1 (price): 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… Full note on SEC EDGAR
Jun 5, 2026	Richard Bennett Wimmer - Director	Grant or award	Class A Common Stock	2,023	$0.00^{footnote F1}	-
Footnote F1 (price): 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… Full note on SEC EDGAR
May 27, 2026	Benjamin Wood - Officer	Open-market purchase	Class A Common Stock	100	$54.33	$5K
May 27, 2026	Benjamin Wood - Officer	Open-market purchase	Class A Common Stock	6,739	$49.89^{footnote F1}	$336K
May 27, 2026	Benjamin Wood - Officer	Open-market purchase	Class A Common Stock	5,355	$50.78^{footnote F2}	$272K
May 27, 2026	Benjamin Wood - Officer	Open-market purchase	Class A Common Stock	4,206	$51.90^{footnote F3}	$218K
May 27, 2026	Benjamin Wood - Officer	Open-market purchase	Class A Common Stock	3,600	$53.90^{footnote F4}	$194K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $49.32 to $50.31, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $50.36 to $51.35, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR Footnote F3 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $51.42 to $52.37, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $53.31 to $54.30, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
May 7, 2026	Richard Melvin Lee Jr. - Director	Grant or award	Class A Common Stock	3,101	$24.18^{footnote F1}	$75K
Footnote F1 (price): 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… Full note on SEC EDGAR
May 7, 2026	Ivy Zelman - Director	Grant or award	Class A Common Stock	3,101	$24.18^{footnote F1}	$75K
Footnote F1 (price): 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… Full note on SEC EDGAR
May 7, 2026	Austin J. Shanfelter - Director	Grant or award	Class A Common Stock	3,101	$24.18^{footnote F1}	$75K
Footnote F1 (price): 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… Full note on SEC EDGAR
May 7, 2026	Richard Bennett Wimmer - Director	Grant or award	Class A Common Stock	3,101	$24.18^{footnote F1}	$75K
Footnote F1 (price): 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… Full note on SEC EDGAR
Mar 26, 2026	Ivy Zelman - Director	Open-market purchase	Class A Common Stock	6,921	$36.33^{footnote F1}	$251K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.09 to $36.47, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Dec 11, 2025	Richard Bennett Wimmer - Director	Open-market purchase	Class A Common Stock	10,000^{footnote F1}	$21.00	$210K
Footnote F1 (shares): 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… Full note on SEC EDGAR
Dec 11, 2025	Richard Melvin Lee Jr. - Director	Open-market purchase	Class A Common Stock	22,725^{footnote F1}	$21.00	$477K
Footnote F1 (shares): 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… Full note on SEC EDGAR
Dec 11, 2025	Ivy Zelman - Director	Open-market purchase	Class A Common Stock	2,275^{footnote F1}	$21.00	$48K
Footnote F1 (shares): 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… Full note on SEC EDGAR
Dec 11, 2025	Tiffany Leann Gidley - Officer	Open-market purchase	Class A Common Stock	6,000^{footnote F1}	$21.00	$126K
Footnote F1 (shares): 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… Full note on SEC EDGAR
Dec 9, 2025	Michael Bruce Rowe Jr. - Officer	Grant or award	Class B Common Stock	2,429,624	-	-
Dec 11, 2025	Michael Bruce Rowe Jr. - Officer	Derivative	Class B Common Stock	595,238	-	-
Dec 9, 2025	Michael Bruce Rowe Jr. - Officer	Grant or award	Class B Common Stock	269,688	-	-
Dec 11, 2025	Michael Bruce Rowe Jr. - Officer	Derivative	Class B Common Stock	66,071	-	-
Dec 9, 2025	Michael Bruce Rowe Jr. - Officer	Grant or award	LLC Units	2,429,624	-	-
Dec 11, 2025	Michael Bruce Rowe Jr. - Officer	Derivative	LLC Units	595,238	$21.00	$12.50M
Dec 9, 2025	Michael Bruce Rowe Jr. - Officer	Grant or award	LLC Units	269,688	-	-
Dec 11, 2025	Michael Bruce Rowe Jr. - Officer	Derivative	LLC Units	66,071	$21.00	$1.39M
Dec 9, 2025	Jeremy Simmons Spivey - Officer	Grant or award	Class B Common Stock	13,481,984	-	-
Dec 11, 2025	Jeremy Simmons Spivey - Officer	Derivative	Class B Common Stock	3,302,980	-	-
Dec 9, 2025	Jeremy Simmons Spivey - Officer	Grant or award	Class B Common Stock	2,716,320	-	-
Dec 11, 2025	Jeremy Simmons Spivey - Officer	Derivative	Class B Common Stock	665,476	-	-
Dec 9, 2025	Jeremy Simmons Spivey - Officer	Grant or award	LLC Units	13,481,984	-	-
Dec 11, 2025	Jeremy Simmons Spivey - Officer	Derivative	LLC Units	3,302,980	$21.00	$69.36M
Dec 9, 2025	Jeremy Simmons Spivey - Officer	Grant or award	LLC Units	2,716,320	-	-
Dec 11, 2025	Jeremy Simmons Spivey - Officer	Derivative	LLC Units	665,476	$21.00	$13.97M
Dec 9, 2025	Erik Daniel West - Officer	Grant or award	Class B Common Stock	6,749,496	-	-
Dec 11, 2025	Erik Daniel West - Officer	Derivative	Class B Common Stock	1,653,571	-	-
Dec 9, 2025	Erik Daniel West - Officer	Grant or award	Class B Common Stock	1,348,441	-	-
Dec 11, 2025	Erik Daniel West - Officer	Derivative	Class B Common Stock	330,357	-	-
Dec 9, 2025	Erik Daniel West - Officer	Grant or award	LLC Units	6,749,496	-	-
Dec 11, 2025	Erik Daniel West - Officer	Derivative	LLC Units	1,653,571	$21.00	$34.72M
Dec 9, 2025	Erik Daniel West - Officer	Grant or award	LLC Units	1,348,441	-	-
Dec 11, 2025	Erik Daniel West - Officer	Derivative	LLC Units	330,357	$21.00	$6.94M

Recent CDNL Form 8-K filings

Read CDNL company news

Oct 1, 2026Item 3.02, 7.01, 9.01

Read the filing on SEC EDGAR

Sep 11, 2026Item 1.01, 9.01

Read the filing on SEC EDGAR

Aug 11, 2026Item 2.02, 7.01, 9.01

Read the filing on SEC EDGAR

Jun 5, 2026Item 5.07

CDNL insider trading FAQ

What is the latest insider trade for CDNL?

Cardinal Infrastructure Group Inc. (CDNL) had 7 insider filings in the last 90 days, with the most recent on 2026-08-18. The full record for CDNL runs to 24 Form 4 filings, the earliest from 2025-12-11. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying CDNL stock?

13 insider purchases of CDNL were filed in the last 90 days, totaling $8.54M.

How many insiders are selling CDNL stock?

No 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)?

This page collects CDNL Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Industrials companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Aug 18, 2026 - Richard Bennett Wimmer view on EDGAR
Aug 17, 2026 - Richard Melvin Lee Jr. view on EDGAR
Aug 17, 2026 - Michael Bruce Rowe Jr. view on EDGAR
Aug 17, 2026 - Anthony Leon Wood Jr. view on EDGAR
Aug 17, 2026 - Jeremy Simmons Spivey view on EDGAR
Aug 17, 2026 - Ivy Zelman view on EDGAR
Aug 17, 2026 - Benjamin Wood view on EDGAR
Jun 9, 2026 - Ivy Zelman view on EDGAR
Jun 9, 2026 - Richard Melvin Lee Jr. view on EDGAR

Related companies with recent insider activity

Learn more

How to read insider buying signals: What an open-market purchase by an insider can and cannot tell you.
Insider activity in Industrials: Where CDNL's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market purchase

221,597

$8.54M

Date

Insider

Transaction

Security

Price

Value

Aug 17, 2026

Richard Bennett Wimmer - Director

Open-market purchase

Class A Common Stock

7,500

$39.13^{footnote F1}

$293K

Footnote F1 (price): 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… Full note on SEC EDGAR

Aug 14, 2026

Richard Melvin Lee Jr. - Director

Open-market purchase

Class A Common Stock

27,000

$36.59^{footnote F1}

$988K

Aug 14, 2026

Richard Melvin Lee Jr. - Director

Open-market purchase

Class A Common Stock

7,000

$37.73^{footnote F2}

$264K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.26 to $37.22, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $37.51 to $37.74, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR

Aug 14, 2026

Michael Bruce Rowe Jr. - Officer

Open-market purchase

Class A Common Stock

7,000

$36.53^{footnote F1}

$256K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.27 to $36.55, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR

Aug 14, 2026

Anthony Leon Wood Jr. - Director

Open-market purchase

Class A Common Stock

34,019

$39.16^{footnote F1}

$1.33M

Aug 14, 2026

Anthony Leon Wood Jr. - Director

Open-market purchase

Class A Common Stock

17,381

$39.75^{footnote F2}

$691K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $38.54 to $39.53, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.54 to $40.12, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR

Aug 14, 2026

Jeremy Simmons Spivey - Officer

Open-market purchase

Class A Common Stock

12,366

$36.58^{footnote F1}

$452K

Aug 14, 2026

Jeremy Simmons Spivey - Officer

Open-market purchase

Class A Common Stock

14,224

$37.69^{footnote F2}

$536K

Aug 14, 2026

Jeremy Simmons Spivey - Officer

Open-market purchase

Class A Common Stock

45,249

$38.82^{footnote F3}

$1.76M

Aug 14, 2026

Jeremy Simmons Spivey - Officer

Open-market purchase

Class A Common Stock

11,511

$39.65^{footnote F4}

$456K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.19 to $37.12, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $37.30 to $38.28, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $38.47 to $39.46, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.47 to $40.09, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR

Aug 14, 2026

Ivy Zelman - Director

Open-market purchase

Class A Common Stock

12,647

$39.61^{footnote F1}

$501K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.45 to $39.81, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR

Aug 14, 2026

Benjamin Wood - Officer

Open-market purchase

Class A Common Stock

13,627

$39.22^{footnote F1}

$534K

Aug 14, 2026

Benjamin Wood - Officer

Open-market purchase

Class A Common Stock

12,073

$39.77^{footnote F2}

$480K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $38.60 to $39.59, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $39.60 to $40.00, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR

Jun 5, 2026

Ivy Zelman - Director

Grant or award

Class A Common Stock

1,817

$0.00^{footnote F1}

Footnote F1 (price): 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… Full note on SEC EDGAR

Jun 5, 2026

Richard Melvin Lee Jr. - Director

Grant or award

Class A Common Stock

1,941

$0.00^{footnote F1}

Footnote F1 (price): 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… Full note on SEC EDGAR

Jun 5, 2026

Austin J. Shanfelter - Director

Grant or award

Class A Common Stock

1,941

$0.00^{footnote F1}

Footnote F1 (price): 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… Full note on SEC EDGAR

Jun 5, 2026

Richard Bennett Wimmer - Director

Grant or award

Class A Common Stock

2,023

$0.00^{footnote F1}

Footnote F1 (price): 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… Full note on SEC EDGAR

May 27, 2026

Benjamin Wood - Officer

Open-market purchase

Class A Common Stock

100

$54.33

$5K

May 27, 2026

Benjamin Wood - Officer

Open-market purchase

Class A Common Stock

6,739

$49.89^{footnote F1}

$336K

May 27, 2026

Benjamin Wood - Officer

Open-market purchase

Class A Common Stock

5,355

$50.78^{footnote F2}

$272K

May 27, 2026

Benjamin Wood - Officer

Open-market purchase

Class A Common Stock

4,206

$51.90^{footnote F3}

$218K

May 27, 2026

Benjamin Wood - Officer

Open-market purchase

Class A Common Stock

3,600

$53.90^{footnote F4}

$194K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $49.32 to $50.31, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $50.36 to $51.35, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $51.42 to $52.37, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $53.31 to $54.30, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR

May 7, 2026

Richard Melvin Lee Jr. - Director

Grant or award

Class A Common Stock

3,101

$24.18^{footnote F1}

$75K

Footnote F1 (price): 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… Full note on SEC EDGAR

May 7, 2026

Ivy Zelman - Director

Grant or award

Class A Common Stock

3,101

$24.18^{footnote F1}

$75K

Footnote F1 (price): 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… Full note on SEC EDGAR

May 7, 2026

Austin J. Shanfelter - Director

Grant or award

Class A Common Stock

3,101

$24.18^{footnote F1}

$75K

Footnote F1 (price): 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… Full note on SEC EDGAR

May 7, 2026

Richard Bennett Wimmer - Director

Grant or award

Class A Common Stock

3,101

$24.18^{footnote F1}

$75K

Footnote F1 (price): 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… Full note on SEC EDGAR

Mar 26, 2026

Ivy Zelman - Director

Open-market purchase

Class A Common Stock

6,921

$36.33^{footnote F1}

$251K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.09 to $36.47, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of… Full note on SEC EDGAR

Dec 11, 2025

Richard Bennett Wimmer - Director

Open-market purchase

Class A Common Stock

10,000^{footnote F1}

$21.00

$210K

Footnote F1 (shares): 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… Full note on SEC EDGAR

Dec 11, 2025

Richard Melvin Lee Jr. - Director

Open-market purchase

Class A Common Stock

22,725^{footnote F1}

$21.00

$477K

Footnote F1 (shares): 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… Full note on SEC EDGAR

Dec 11, 2025

Ivy Zelman - Director

Open-market purchase

Class A Common Stock

2,275^{footnote F1}

$21.00

$48K

Footnote F1 (shares): 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… Full note on SEC EDGAR

Dec 11, 2025

Tiffany Leann Gidley - Officer

Open-market purchase

Class A Common Stock

6,000^{footnote F1}

$21.00

$126K

Footnote F1 (shares): 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… Full note on SEC EDGAR

Dec 9, 2025

Michael Bruce Rowe Jr. - Officer

Grant or award

Class B Common Stock

2,429,624

Dec 11, 2025

Michael Bruce Rowe Jr. - Officer

Derivative

Class B Common Stock

595,238

Dec 9, 2025

Michael Bruce Rowe Jr. - Officer