Cardinal Infrastructure Group Inc. Class A Common Stock (CDNL) Insider Trading
Over the last 3 months, CDNL insiders made 13 open-market buys and 0 sales, a net purchase of $8.5M (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 82 institutions increased and 36 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
13
Sells (3m)
0
Net (3m)
$8.5M
Insiders buyingCluster buying
Insider trades by month Buys Sells
Mar
May
Aug
Context3-month price -24.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 18, 2026 | Wimmer Richard Bennettdirector | Buy | 7,500 | $39.13 |
| Aug 17, 2026 | Lee Richard Melvin Jr.director | Buy | 27,000 | $36.59 |
| Aug 17, 2026 | Lee Richard Melvin Jr.director | Buy | 7,000 | $37.73 |
| Aug 17, 2026 | Rowe Michael Bruce Jr.officer: Chief Financial Officer | Buy | 7,000 | $36.53 |
| Aug 17, 2026 | Zelman Ivydirector | Buy | 12,647 | $39.61 |
| Aug 17, 2026 | Spivey Jeremy Simmonsdirector, officer: Chief Executive Officer | Buy | 11,511 | $39.65 |
| Aug 17, 2026 | Spivey Jeremy Simmonsdirector, officer: Chief Executive Officer | Buy | 45,249 | $38.82 |
| Aug 17, 2026 | Spivey Jeremy Simmonsdirector, officer: Chief Executive Officer | Buy | 14,224 | $37.69 |
| Aug 17, 2026 | Spivey Jeremy Simmonsdirector, officer: Chief Executive Officer | Buy | 12,366 | $36.58 |
| Aug 17, 2026 | Wood Anthony Leon Jr.director | Buy | 17,381 | $39.75 |
| Aug 17, 2026 | Wood Benjaminofficer: Chief Operating Officer | Buy | 12,073 | $39.77 |
| Aug 17, 2026 | Wood Anthony Leon Jr.director | Buy | 34,019 | $39.16 |
| Aug 17, 2026 | Wood Benjaminofficer: Chief Operating Officer | Buy | 13,627 | $39.22 |
| Jun 9, 2026 | Wimmer Richard Bennettdirector | Grant | 2,023 | — |
| Jun 9, 2026 | Zelman Ivydirector | Grant | 1,817 | — |
| Jun 9, 2026 | Lee Richard Melvin Jr.director | Grant | 1,941 | — |
| Jun 9, 2026 | SHANFELTER AUSTIN Jdirector | Grant | 1,941 | — |
| May 29, 2026 | Wood Benjaminofficer: CHIEF OPERATING OFFICER | Buy | 6,739 | $49.89 |
| May 29, 2026 | Wood Benjaminofficer: CHIEF OPERATING OFFICER | Buy | 100 | $54.33 |
| May 29, 2026 | Wood Benjaminofficer: CHIEF OPERATING OFFICER | Buy | 3,600 | $53.90 |
| May 29, 2026 | Wood Benjaminofficer: CHIEF OPERATING OFFICER | Buy | 4,206 | $51.90 |
| May 29, 2026 | Wood Benjaminofficer: CHIEF OPERATING OFFICER | Buy | 5,355 | $50.78 |
| May 11, 2026 | Lee Richard Melvin Jr.director | Grant | 3,101 | $24.18 |
| May 11, 2026 | Wimmer Richard Bennettdirector | Grant | 3,101 | $24.18 |
| May 11, 2026 | SHANFELTER AUSTIN Jdirector | Grant | 3,101 | $24.18 |
| May 11, 2026 | Zelman Ivydirector | Grant | 3,101 | $24.18 |
| Mar 27, 2026 | Zelman Ivydirector | Buy | 6,921 | $36.33 |
Source: CDNL SEC Form 4 filings, latest Aug 18, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CDNL positions over the last 6 months (SEC Form 13F).
Increased
82
New positions
132
Reduced
36
Sold out
10
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 3.0M | Aug 13, 2026 |
| FMR LLC | Increased | 2.0M | May 15, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | Increased | 1.2M | Aug 14, 2026 |
| BlackRock, Inc. | Increased | 1.2M | Aug 7, 2026 |
| ALLIANCEBERNSTEIN L.P. | Increased | 983K | Aug 14, 2026 |
| ALLIANCEBERNSTEIN L.P. | Reduced | 932K | May 15, 2026 |
| ACK ASSET MANAGEMENT LLC | Increased | 874K | May 15, 2026 |
| LORD, ABBETT & CO. LLC | Increased | 859K | Aug 14, 2026 |
| EMERALD ADVISERS, LLC | Increased | 848K | Aug 5, 2026 |
| OPHIR ASSET MANAGEMENT PTY LTD | Reduced | 803K | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | New Position | 771K | Aug 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 753K | Aug 14, 2026 |
| LORD, ABBETT & CO. LLC | Increased | 752K | May 14, 2026 |
| FRED ALGER MANAGEMENT, LLC | Increased | 727K | Aug 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | New Position | 711K | Aug 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.