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TentativeAI Memo

MasTec

As of 2026-09-18/Confidence high

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Data freshness

AI Memo

As of 2026-09-18 • Model: RankAlpha Sentiment Codex

Decision Panel

Action, confidence, horizon, and decision blockers at a glance.

Report quality notice

peer set is too generic or lacks enough direct operating comparators

Action

—

Confidence

high

Horizon

—

Key catalyst

Q3 execution against raised 2026 guidance • 2026-11-02

Base target: $210 / p=45% prob

Biggest risk

Communications margin contraction and negative Q2 free cash flow show that consolidated growth has not eliminated segment and cash-conversion risk. Integration of Superior adds execution risk, while the neutral deterministic prior argues against extrapolating Q2 momentum aggressively. [#SEC-8K-2026-07-30]

Invalidation

Break below $170 or thesis failure.

What would change my mind?

Record Q2 revenue, 100 basis points of consolidated adjusted EBITDA margin expansion, 30% backlog growth and higher full-year adjusted EPS guidance support continued earnings growth if backlog converts cleanly and Superior broadens data-center participation. [#SEC-8K-2026-07-30]

Research note

Recommendation

—

Confidence

high

As of

2026-09-18

Base target

$210

p=45%

Bull target

$245

p=30%

Bear target

$170

p=25%

Key bullets

Fast scan of bull, bear, and watch items

BullKey bullets

Communications margin recovery remains uncertain
Record backlog conversion and Superior integration
Record Q2 revenue, 100 basis points of consolidated adjusted EBITDA margin expansion, 30% backlog growth and higher full-year adjusted EPS guidance support continued earnings growth if backlog converts cleanly and Superior broadens data-center participation.

BearKey bullets

A director sold 6,500 shares for approximately $2.41 million on June 3, 2026; the filing establishes the transaction but not its motivation.
[#SEC-FORM4-2026-06-05]
Backlog does not guarantee revenue or profitability and remains exposed to project timing, cancellation, labor, cost and execution risks.

WatchKey bullets

Q3 execution against raised 2026 guidance

Summary

High-level snapshot

Recommendation

Model confidence

high

Timeframe

Asset

Equity

Trigger

Base case: $210 (p=45%)

Target spread vs base: +17% / -19%

Scenario probabilities

Bull Target: $245 (p=30%)Base Target: $210 (p=45%)Bear Target: $170 (p=25%)

Commentary

Primary-source operating evidence is constructive but balanced by communications-margin and cash-conversion concerns. Recent coverage is limited and mostly valuation-oriented; no sufficient social data, options skew, short-interest data, employee score or dependable post-Q2 analyst-revision set was supplied. The deterministic prior is neutral with low projected returns, supporting a monitoring stance rather than an aggressive bullish position.

As of 2026-09-18 • Updated bi-weekly / post-earningsSource: Internal modelMethodology

Analyst Summary

Thesis highlights from the latest analysis

Bull Case

Bear Case

Drivers

Scannable catalysts and supporting factors

Communications margin recovery remains uncertain
Record backlog conversion and Superior integration

Scenarios

Bull Target (Scenario probability)

$245 / p=30% prob

Base Target (Scenario probability)

$210 / p=45% prob

Bear Target (Scenario probability)

$170 / p=25% prob

Analysis 2026-09-18 · RankAlpha Sentiment Codex

Analysis reference price unavailable. Targets are shown without scenario returns.

Sentiment & Exposure

News Sentiment (30d)

0.10

Social Sentiment (7d)

0.00

Events

Other notable items detected

EVENT2026-11-02
Q3 execution against raised 2026 guidance
The next quarterly report should test MasTec's Q3 outlook for $4.93 billion of revenue, $482 million of adjusted EBITDA and $2.98 of adjusted diluted EPS following record Q2 results and increased full-year guidance. [#SEC-8K-2026-07-30]
Prob 80.00% • Move 7.00% • Priced-in 55.00%

Short-term Catalysts

Next few weeks

Communications margin recovery remains uncertain
2026-11-02
Q2 Communications EBITDA declined 11.6% year over year and segment margin contracted 170 basis points to 8.2%, leaving mix and execution risk despite strong consolidated growth. [#SEC-8K-2026-07-30]
Prob 65% • Move -8% • Priced-in 55%

Long-term Catalysts

Months to a year

Record backlog conversion and Superior integration
2027-07-30
MasTec reported record 18-month backlog of $21.4 billion, up 30% year over year, and said the Superior Group acquisition expands its data-center electrical capabilities. Conversion quality, margins and integration execution are the principal upside tests. [#SEC-8K-2026-07-30]
Prob 70% • Move 12% • Priced-in 60%

Risks

A director sold 6,500 shares for approximately $2.41 million on June 3, 2026; the filing establishes the transaction but not its motivation. [#SEC-FORM4-2026-06-05]
Backlog does not guarantee revenue or profitability and remains exposed to project timing, cancellation, labor, cost and execution risks.
Communications segment profitability remains under pressure after a 170-basis-point year-over-year Q2 margin decline. [#SEC-8K-2026-07-30]
Q2 free cash flow was negative $59 million despite record revenue and earnings, making cash conversion an important monitoring item. [#SEC-8K-2026-07-30]
Superior Group integration and execution across data-center projects could affect margins and delivery quality. [#SEC-8K-2026-07-30]
The analyst-target summary lacks a contributor count and appears too weakly specified to anchor valuation.

Peers

Symbol	Summary
DY	Dycom is the most relevant comparator for MasTec's Communications segment: its fiscal-2026 Form 10-K describes fiber, wireless, engineering, construction and maintenance services for telecommunications and digital-infrastructure customers. Dycom's greater communications concentration and newly added data-center building-systems exposure make it useful for segment trends but not a complete consolidated-business proxy.
MYRG	MYR Group is a direct comparator for MasTec's electric utility and data-center electrical work. Its 2025 Form 10-K identifies transmission and distribution plus commercial and industrial contracting—including substations, clean-energy projects and data centers—as its two operating segments; its narrower business mix makes it less comparable to MasTec's communications and pipeline operations.
PWR	Quanta Services is the broadest direct operating comparator: its 2025 Form 10-K confirms overlap in electric transmission and distribution, renewable generation, communications, pipelines and data-center electrical infrastructure. Quanta's greater scale, international reach and broader engineering and manufacturing capabilities limit direct valuation comparability.

Sources

Internal and external references used in this analysis

Model source: RankAlpha Sentiment Codex
Analysis date: 2026-09-18

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Symbol

Summary

Dycom is the most relevant comparator for MasTec's Communications segment: its fiscal-2026 Form 10-K describes fiber, wireless, engineering, construction and maintenance services for telecommunications and digital-infrastructure customers. Dycom's greater communications concentration and newly added data-center building-systems exposure make it useful for segment trends but not a complete consolidated-business proxy.

MYRG

MYR Group is a direct comparator for MasTec's electric utility and data-center electrical work. Its 2025 Form 10-K identifies transmission and distribution plus commercial and industrial contracting—including substations, clean-energy projects and data centers—as its two operating segments; its narrower business mix makes it less comparable to MasTec's communications and pipeline operations.

PWR

Quanta Services is the broadest direct operating comparator: its 2025 Form 10-K confirms overlap in electric transmission and distribution, renewable generation, communications, pipelines and data-center electrical infrastructure. Quanta's greater scale, international reach and broader engineering and manufacturing capabilities limit direct valuation comparability.