Cardinal Infrastructure Group Inc. - Class A (CDNL)
CDNL moved a median of -0.49% 30 minutes after news, and -0.56% by the close. How CDNL actually reacts to news — the realized, point-in-time move the market made, measured across 136 labeled events over the last three years with zero look-ahead.
CDNL’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | +0.36% | 53% | 135 |
| 30-min | -0.49% | 39% | 135 |
| 60-min | +0.23% | 52% | 135 |
| to close | -0.56% | 46% | 135 |
| Middle 50% of CDNL reactions | -2.16% to +1.02% |
|---|---|
| Median reaction (30-min) | -0.49% |
| Measured reactions | 136 |
Half of all Cardinal Infrastructure Group Inc. - Class A news events land between -2.16% and +1.02% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How CDNL reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Coverage initiations | 11 | -0.46% | 36% | +3.28% |
| Rating reiterations | 12 | -0.60% | 42% | -1.02% |
Last 3 years, pulled 2026-09-21. Reaction = percent move vs. the price at the news timestamp. Counts and medians only. The same measurement runs across every name in the dataset. 3 further classes were observed with fewer than 10 measured events and are not published. See how CDNL ranks against every other measured name →
That’s how CDNL usually reacts — get an email when it moves on news →Email me when CDNL moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to CDNL's baseline. Nothing else.
Recent CDNL events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Cardinal Infrastructure Group (CDNL) Enters into Amended Agreement for Acquisition of Hughes Brothers Construction Inc. | Press release | PR Newswire | -0.03% | +1.99% | |
| CDNL Investigation Reminder: Cardinal Infrastructure Investors that Lost Money after the 36% Stock Drop are Notified to Contact BFA Law | Press release | GlobeNewswire | -0.03% | +1.99% | |
| Form 8-K Cardinal Infrastructure For: Oct 13 | SEC filing · Form 8-K | SEC EDGAR | -0.03% | +1.99% | |
| Cardinal Infrastructure Group (CDNL) Announces Acquisition of Hughes Brothers Construction, Inc. | Press release | PR Newswire | -1.60% | -12.58% | |
| Cardinal Infrastructure Group, Inc., Announces Closing of Allied Paving Contractors Acquisition | Press release | PR Newswire | +0.38% | +1.45% | |
| Form 8-K Cardinal Infrastructure For: Oct 01 | SEC filing · Form 8-K | SEC EDGAR | +0.38% | +1.45% | |
| Cardinal Infrastructure Group Completes Syndication of Expanded Credit Facility | Press release | PR Newswire | -1.04% | +0.36% | |
| Lowey Dannenberg, P.C. is Investigating Cardinal Infrastructure Group, Inc. (NASDAQ: CDNL) for Potential Violations of the Federal Securities Laws | Press release | GlobeNewswire | +0.95% | -3.35% | |
| Form 8-K Cardinal Infrastructure For: Sep 10 | SEC filing · Form 8-K | SEC EDGAR | +1.62% | -2.87% | |
| Cardinal Infrastructure (NASDAQ:CDNL) Shares Fall 36% Following Acquisition Issues -- Investors with Losses Notified to Contact BFA Law | Press release | GlobeNewswire | +0.69% | +6.17% | |
| Cardinal Infrastructure Group Company, ALGC, Announces Contract Win on Walmart Sorting Facility | Press release | PR Newswire | -0.68% | -3.80% | |
| Lowey Dannenberg, P.C. is Investigating Cardinal Infrastructure Group, Inc. (NASDAQ: CDNL) for Potential Violations of the Federal Securities Laws | Press release | GlobeNewswire | -0.61% | -2.18% | |
| Form 10-Q Cardinal Infrastructure For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | -3.25% | -6.84% | |
| Cardinal Infrastructure Group Inc. Reports Second Quarter 2026 Results and Updates 2026 Outlook, Announces Acquisition of Allied Paving | Press release | PR Newswire | -5.86% | -25.08% | |
| Form 8-K Cardinal Infrastructure For: Aug 11 | SEC filing · Form 8-K | SEC EDGAR | -5.86% | -25.08% | |
| Cardinal Infrastructure Group Schedules Second Quarter 2026 Earnings Conference Call | Press release | PR Newswire | -0.88% | -1.01% | |
| Cardinal Infrastructure Group Announces Completion of First Asphalt Plant | Press release | PR Newswire | +0.60% | +1.90% | |
| Cardinal Infrastructure Group Announces Closing of Upsized Public Offering of Class A Common Stock and Full Exercise of Underwriters' Option to Purchase Additional Shares | Press release | PR Newswire | +0.27% | +2.86% | |
| Form EFFECT Cardinal Infrastructure | SEC filing · Form EFFECT | SEC EDGAR | +3.07% | +12.85% | |
| Cardinal Infrastructure Group Announces Pricing of Upsized Public Offering | Press release | PR Newswire | +3.07% | +12.85% | |
| Form S-1MEF Cardinal Infrastructure | SEC filing · Form S-1MEF | SEC EDGAR | +3.07% | +12.85% | |
| Cardinal Infrastructure Group Announces Proposed Public Offering of Common Stock | Press release | PR Newswire | +5.07% | +3.49% | |
| Form S-1 Cardinal Infrastructure | SEC filing · Form S-1 | SEC EDGAR | +5.07% | +3.49% | |
| Form 8-K Cardinal Infrastructure For: Jun 05 | SEC filing · Form 8-K | SEC EDGAR | +0.57% | -0.52% | |
| Cardinal Infrastructure Group Announces Acquisition of Piedmont Pipe Construction | Press release | PR Newswire | +1.90% | +5.70% | |
| Cardinal Infrastructure Group Strengthens Operational Leadership Across its Footprint | Press release | PR Newswire | +0.43% | -1.42% | |
| Cardinal Infrastructure Group to Participate in Upcoming Investor Conferences | Press release | PR Newswire | -0.30% | +1.15% | |
| Form 10-Q Cardinal Infrastructure For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | -0.02% | -0.60% | |
| Cardinal Infrastructure Group Inc. Announces First Quarter 2026 Results and Raises 2026 Outlook | Press release | PR Newswire | -4.95% | -7.50% | |
| Form 8-K Cardinal Infrastructure For: May 12 | SEC filing · Form 8-K | SEC EDGAR | -4.95% | -7.50% | |
| Form 8-K/A Cardinal Infrastructure For: Feb 18 | SEC filing · Form 8-K | SEC EDGAR | -0.90% | -4.31% | |
| Cardinal Infrastructure Group Schedules First Quarter 2026 Earnings Conference Call | Press release | PR Newswire | -0.04% | +2.19% | |
| Form ARS Cardinal Infrastructure For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | -0.69% | +0.39% | |
| Form DEF 14A Cardinal Infrastructure For: Jun 05 | SEC filing · Form DEF | SEC EDGAR | -0.69% | +0.39% | |
| Form DEFA14A Cardinal Infrastructure | SEC filing · Form DEFA14A | SEC EDGAR | -0.69% | +0.39% | |
| Cardinal Infrastructure Group Awarded Contract for Large-Scale Data Center Campus Development | Press release | PR Newswire | -2.60% | -0.35% | |
| Form 10-K Cardinal Infrastructure For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | +2.23% | +4.70% | |
| Cardinal Infrastructure Group Announces Appointment of Erik West as President of the Carolinas | Press release | PR Newswire | -1.34% | -4.96% | |
| Cardinal Infrastructure Group Inc. Announces Full Year 2025 Results and Affirms 2026 Guidance | Press release | PR Newswire | +0.74% | +6.58% | |
| Form 8-K Cardinal Infrastructure For: Mar 19 | SEC filing · Form 8-K | SEC EDGAR | +0.74% | +6.58% | |
| Form 8-K Cardinal Infrastructure For: Mar 12 | SEC filing · Form 8-K | SEC EDGAR | +0.74% | +6.58% | |
| Cardinal Infrastructure Group Schedules Full Year 2025 Earnings Conference Call | Press release | PR Newswire | +0.47% | -3.41% | |
| Cardinal Infrastructure Group Announces Key Leadership Appointments | Press release | PR Newswire | -0.29% | -3.36% | |
| Form 8-K Cardinal Infrastructure For: Feb 18 | SEC filing · Form 8-K | SEC EDGAR | +3.23% | +19.67% | |
| Cardinal Infrastructure Group (CDNL) Announces the Acquisition of A. L. Grading Contractors, Selected Preliminary Estimated Operating Results for 2025, and Updated Consolidated Guidance for 2026 | Press release | PR Newswire | +3.23% | +19.67% | |
| Cardinal Infrastructure Group Inc. Announces Pricing of Initial Public Offering | Press release | PR Newswire | +0.63% | +2.17% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the CDNL section they belong to.
Where else CDNL is measured.
CDNL earnings → · Analyst actions → · SEC filings →
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How the numbers are made.
How is Cardinal Infrastructure Group Inc. - Class A's median reaction calculated?
Every labeled CDNL news event is measured from its own timestamp: the last trade before the news is the base price, and the move is read at fixed horizons — 30 minutes of trading, then the close. The median across 136 events is what this page reports. Point-in-time, zero look-ahead: no event borrows information from a later one.
What counts as a positive reaction?
Any event whose price move is above zero at the horizon, relative to the last trade before the news timestamp. 39% of CDNL's measured events are up at 30 minutes; the rest close the window flat or negative.
How often is this page updated?
The news table refreshes automatically as new events are labeled and priced. The reaction medians are re-pulled in batches from the dataset — the figures here are as of 2026-09-21.
Does CDNL's past reaction predict its next one?
No. These are realized facts about past events, not forecasts. They describe a distribution — they say nothing certain about any future move.