Setup

Tutor Perini (TPC) is a large US civil and building general contractor — mass transit, healthcare complexes, federal facilities, and Navy Pacific construction. It's in view because a -15.7% selloff in March on a Q4 2025 GAAP miss created a pricing gap; Q1 2026 confirmed the miss was a measurement artifact; the stock has not recovered.

What the Filing Says

The May 26 8-K was governance noise — deferred comp plan adoption and annual meeting votes, LR 1.0. The substance in this pass came from the market check triggered by the filing.

Q1 2026 EPS: $1.03 actual vs $0.96 consensus. The Q4 2025 miss mechanism: TPC's RSU/PSUs are liability-classified and remeasure quarterly under ASC 718. When the stock declined from Q3 2025 highs, the mark-to-market created elevated GAAP expense — a ≈$2.75/share wedge between GAAP ($1.54 full-year 2025) and adjusted ($4.29). Q1 2026 beat confirms the mechanism was directional and the wedge is closing. $150M of SBC headwind vests off by end 2026.

Supporting numbers from the 10-K (2025-12-31): $19.8B backlog confirmed Q1 (multi-decade high). Civil segment margin 13.7% (from 6.5%). Building 3.1% (from -1.5%). Specialty -0.9% (from -17.5%). Management: "early stage with substantial scope of work remaining" on major current projects. Record OCF $748.1M in 2025. Net cash: $734M vs $407M debt. $400M 11.875% Senior Notes callable since April 30, 2026. $200M buyback authorized November 2025, zero executed.

What the Market Thinks

$74.67 current. Four analyst buy ratings, zero holds, zero sells. Mean target $113.25 — 51.7% premium. RSI 19.6, down 14.6% trailing month despite the Q1 beat. Current multiple: 13.4x ex-cash 2026 adjusted earnings (EV $3,407M / estimated NI $255M). That is roughly 20% below GVA, the weakest direct peer at ≈15x. Market-implied probability of the positive path: ($74.67 − $45.60 bear floor) / ($114.94 bull target − $45.60) = 42%.

Why the Gap Exists

Three reasons specific to TPC, not generic "market is wrong."

Liability-classified SBC mechanics are footnote-level. The GAAP EPS summary reads $0.54 in Q4 — that's what momentum algos consumed. The ASC 718 adjustment is buried in the notes. The market sold the miss. Q1 2026 printed $1.03. RSI is still 19.6. The counterparty is systematic capital that parsed the headline and stopped.

Three near-term binary events are unpriced. (1) $400M at 11.875% callable since April 30. At 6.5% market rates, the spread costs ≈$21.5M/yr pre-tax (≈$59K/day) with no announced justification. At 19x P/E on ≈50M diluted shares, refinancing adds ≈$6/share in unmodeled equity value. TPC voluntarily prepaid $121.9M of Term Loan B in Q1 2025 — management acts on debt without prompting. (2) $200M buyback authorized November 2025, $734M cash, zero executed through six months. (3) GAAP/adjusted gap closes permanently as awards vest end-2026 — visible to any reader at that point.

Beta 2.19 creates macro noise that masks the idio story. Estimated idio variance 40-55% — below the 75% target. Some of the RSI 19.6 drawdown is a high-beta name being dragged by risk-off tape. The alpha is real; the vehicle is impure.

Risks

1. Beta 2.19, idio variance unconfirmed. Factor regression required before full sizing. If idio variance is below 50%, the appropriate risk-management response is a beta hedge against index exposure or a reduced position. Full unhedged exposure is not warranted in a factor-dominated vehicle regardless of alpha quality.

2. Refi silence extends. Notes callable 27 days ago, no 8-K. If silent through September, something is wrong — credit market access, undisclosed capital commitment, or deteriorating credit profile not yet visible. The September 30 refinancing deadline carries ≈78% probability; a miss on that deadline warrants specific follow-up on Q3 earnings.

3. Change-order cycle reversal. Sector-wide favorable closeouts on 2023-2024 vintage projects have contributed to margin improvement. When 2025-2026 vintage closes out in 2027-2028, the tailwind may reverse. Not a 2026 risk; a 2027+ watch item.

4. IIJA cliff (September 2026). New federal project commitments close. Existing $19.8B backlog covers multi-year execution. November 2024 state ballot measures approved $41.4B in new transportation funding; 78% of TPC revenue is state/local.

5. Net insider signal mixed. Director Lieber sold $742K at $74.25 on May 19, 2026. Against CEO Smalley ($305K) and Director Arkley ($2.56M) code P open market purchases in November 2025 at $61-64. C-suite buying with order-book visibility outweighs director sale in isolation, but the net signal is not clean.

Catalysts

• Refi 8-K (Item 1.01): Open window now. June-August most probable. Step-function pricing event — ≈$6/share at 19x reprices within days of filing.
• Q2 2026 10-Q (~August): SBC normalization second confirmation. First buyback disclosure or notable absence.
• Q3 2026 earnings (~November): September 30 refinancing deadline resolution. Full SBC normalization visible to GAAP-only readers.
• End 2026: Liability-classified awards vest. GAAP/adjusted gap closes permanently.

What Would Change Our Mind

• Civil or Building project announces cost overrun → exit, not a dip. The change-order tailwind is a cycle, not a permanent condition; individual project adverse development is a different signal.
• Refi not announced by September 30 → specifically probe on Q3 call. No credible answer (new deal financing, M&A, credit issue) → bearish, reduce.
• Factor regression returns idio variance below 45% → hedge beta or halve size. Full unhedged exposure is not warranted in a factor-dominated vehicle regardless of alpha quality.
• Q2 GAAP EPS shows SBC expense re-inflating (stock rallied from $75, liability mark-to-market reverses) → delays thesis by 1-2 quarters, does not break it. Hold size flat, extend horizon.

Evidence

LR Signal: 1.4